Arabidopsis Research Roundups

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February 20th: This weeks Arabidopsis Research Roundup begins with two papers that look at endogenous and exogenous causes of cell proliferation. Firstly Mike Bevan (JIC) leads a team that looks into the role of controlled protein degradation in this process whilst secondly, Peter Etchells from Durham is a co-author on a study that investigates how nematode pathogens stimulate cell proliferation at the site of infection.

Thirdly is work featuring Cyril Zipfel and colleagues from TSL that looks at how autophosphorylation controls the activity of calcium dependent protein kinases. Fourthly is a broad collaboration led by Richard Mott (UCL) that uses genomic structural variation to identify novel loci. Next Simon Turner from the University of Manchester phylogenetically defines the RALK peptide lineages across plant species. Finally researchers at the University of York conduct a structural analysis of the Arabidopsis AtGSTF2 glutathione transferase.

February 9th: This weeks Arabidopsis Roundup again includes a broad selection of research topics. Firstly researchers at SLCU are involved in work that describes Arabidopsis sepal development. Secondly Cyril Zipfel from TSL leads a study that adds a layer of complexity to our knowledge of cellular pathogen perception. Thirdly the group of Reiner van der Hoorn from Oxford introduces the use of a novel set of inhibitors that reveals differential activity of proteosomal subunits during bacterial infection. Finally Hugh Pritchard from Kew Gardens is a co-author on a lipidomic study of the seed dessication-stress response.

January 26th: The papers that feature in this weeks Research Roundup touch on different aspects of research conducted in Arabidopsis. Firstly Alastair McCormick (University of Edinburgh) uses Arabidopsis as a tool to study the factors that control the activity of Rubisco. Secondly Vinod Kumar (John Innes Centre) uses the power of Arabidopsis genetics to assess the relationship between components involved in light signaling. Thirdly Jerry Paszkowski (SLCU) takes advantage of the enormously detailed Arabidopsis genome information to search for patterns that control the formation of transgenerational epialleles. The next paper is from Peter Eastmond and Smita Kurup at Rothamsted and investigates the alteration in cellular fatty acid composition following temperature changes. Finally Sarah McKim (University of Oxford) is a co-author on a paper that looks at the differences between the signaling modules that control floral development in Arabidopsis and Cardamine.

January 17th: Todays Arabidopsis Research Roundup includes some excellent examples of UK labs engaged in collaborative work with researchers from around the globe. However first up is a study solely from the John Innes Centre, led by Vinod Kumar, that investigates the role of PIF4 during the thermosensory response. Secondly David Evans (Oxford Brookes University) is a co-author on a French-led study that has looked into the role of LINC complexes during interphase heterochromatin patterning. Thirdly is the description of the new PhenoTiki imaging tool that has come from the lab of Sotirios Tsaftaris in Edinburgh. Work from Paul Dupree (University of Cambridge) features in the ARR for the second consecutive week, this time with a study looking at the sugar composition of seed mucilage. The penultimate study is from the lab of Renier van der Hoorn (Oxford University) who investigates the role of Cys proteases during senescence and finally is a study from Seth Davis (University of York) that looks at the link between the circadian clock and the plants energy sensing mechanisms.

January 11th: The first Arabidopsis Research Roundup of 2017 includes a wide range of studies that use our favourite model organism. Firstly Kerry Franklin (University of Bristol) is the corresponding author on a paper that describes the complex interaction between the responses to sunlight and heat. Secondly Paul Dupree (University of Cambridge) leads a study that defines the important structural relationship between xylan and cellulose. Thirdly members of Gos Micklem’s group in Cambridge are part of the Araport team that present their ThaleMine tool. Richard Napier (University of Warwick) is a co-author on the fourth paper that introduces a new chemical tool for study of the auxin response. The penultimate paper includes Matthew Terry (University of Southampton) on a paper that investigates the role of a Fe-S-containing protein cluster in chlorophyll biosynthesis and finally there is a methods paper from Stefanie Rosa in Caroline Dean’s lab at the John Innes Centre that describes the use of FISH to detect single molecules of RNA.


December 29th: The final Research Roundup of 2016 includes two papers that take different strategies toward the ultimate aim of crop improvement yet use Arabidopsis as a tool for their initial discoveries. Firstly Christine Raines (University of Essex) uses a transgenic approach to upregulate enzymes of the calvin cycle while researchers from Rothamstead and Oxford use a chemical intervention strategy, both of which they show are successful in increasing yield.

Second are a set of back-to-back papers featuring Xiaoqi Feng (JIC) that investigate DNA methylation patterns in both male and female gametes.

Finally Henrik Jonsson (SLCU) leads a paper that precisely defines the parameters that are important in determining the relationship between cell size, location and cytokinesis.

December 7th: This weeks Arabidopsis Research Roundup is led by a study from the John Innes Centre in which Lars Ostergaard’s group identify a novel auxin-signaling module. Lars also kindly provides an audio description of this paper where we discuss the significance of this paper for our understanding of auxin signaling.

Secondly is a US-led paper that includes Sabrina Gonzalez-Jorge (University of Cambridge) as a co-author on a study that uses GWAS to identify novel loci involved in amino acid signalling.

Thirdly is a study from Keele University that uses Arabidopsis as an unlikely model for plant silica deposition. Lastly is a paper from the University of Sheffield that focusses on stomatal evolution in land plants.

November 14th: This weeks Arabidopsis Research Roundup is led by a manuscript from Tom Bennett and Ottoline Leyser that looks at strigolactone signaling for which Tom provides a brief audio description. Elsewhere Verena Kreichbaumer (Oxford Brookes) is a co-author on a study that looks into cytokinin control of auxin biosynthesis and Mike Blatt’s lab at the University of Glasgow continue to elucidate the role of SNARE proteins in vesicle formation. The penultimate paper includes Peter van Esse as a co-author of a study into the role of SERK proteins in the control of different signaling pathways. Finally Pierre Petriacq (University of Sheffield) is the lead-author on a short communication that describes the control of cytosolic calcium by NAD.

November 4th: A couple of weeks of inactivity leads to a bumper edition of the Arabidopsis Research Roundup. Firstly are two papers from the JIC led by Janelle Balk and Caroline Dean that look at the regulation of the maturation of Fe-S protein complexes or of FLC expression respectively. Secondly is a study from Liam Dolan in Oxford that looks at regulation of the root-hair specific gene expression. Thirdly are a pair of papers that include work from Phil Wigge’s lab at SLCU that uncover an important mechanism for thermosensing in plants. Fourth is a paper from the University of Bristol that looks at the factors that control the regulation of plastid RNA expression. Fifth are a set of three papers that look at different aspects of reproductive development from the Universities of Nottingham, Bath or Durham. Next is a study that includes members of NASC that looks at the transcriptional response to co-predation by two different insects and finally are two studies that focus on work in plants closely related to Arabidopsis thaliana, namely A.Lyrata for a study into the evolution of SI and also the published genome sequence of Cardamine hirsute.

October 21st: This weeks Roundup demonstrates a wide breadth of research topics that use Arabidopsis at the model organism. Firstly Matthew Terry and colleagues investigate the factors that control reterograde siganling between chloroplast and nucleus. Secondly researchers from the University of Sheffield demonstrate that a component of the cell wall is involved in stomatal opening. Thirdly Malcolm Bennett and Ranjan Swarup from CPIB are co-authors on research that touches on a familiar topic, the regulation of the AUX1 protein in Arabidopsis roots. Fourthly Alastair Rutherford is a collaborator in a US-led study that investigates the proton motion force across thylakoid membranes. Finally are two studies wherein UK academics, namely David Salt and Malcolm Hawkesford, are co-authors on German-led studies that investigate a plants response to different minerals.

October 6th: This week Arabidopsis Research Roundup includes an audio description from Robert Sablowski about work from this lab that describes the early specification of stem tissue within the shoot apical meristem. In addition multiple members of CPIB in Nottingham are involved in two connected papers that describe how auxin homeostasis is controlled at the cell and tissue level. Researchers from the University of Bristol shed light on the relationship between viral infection and stomatal development whilst Claudius Marondedze from the University of Cambridge in involved in a study that has used next generation lighting technology to grow Arabidopsis. Finally Sean May from NASC is a co-author on a study that looks into the role of brassinosteroid on the response to freezing temperatures.

September 27th: This weeks Arabidopsis Research Roundup includes an audio description provided by Katja Graumann from the Oxford Brookes Nuclear Envelope (NE) Group. Katja is involved in two of this weeks papers, the first of which describes the biology of a novel set of NE localised proteins whereas the second is a phylogenetic analysis of a range of known NE-localised proteins. Elsewhere David Salt (CPIB) is the corresponding author on work that investigates the plants response to sulphur while David Twell (Leicester) co-leads a study into regulatory events that occur during early male germline development. Finally Juriaan Ton (Sheffield) is a co-author on a study that looks at the role of NAD in the defence response.

September 19th: This weeks Arabidopsis Research Roundup includes a study from the University of Warwick investigating the role of the ubiquitin-proteasome system in the defense response. Secondly researchers from Warwick (again), Durham and Rothamsted are involved in a paper that links cell cycle progression to production of endomembranes. Finally are two studies that include researchers from Edinburgh that firstly provide an insight into the non-specific transport of molecules into the phloem and secondly looks at the cellular basis of endosperm breakdown. The latter study is part of a special issue of the journal Development that focuses on plant science and includes tributes to the late Ian Sussex. This issue contains paper that have been highlighted in the ARR together the summer.

August 26th: This weeks Arabidopsis Research Roundup includes three papers across a wide range of topics. Firstly is a widely-reported study, described here with an audio description by Nik Cunniffe, of the evolutionary relationship between viral infection, pollinator attraction, plant fertility and miRNA-regulated gene expression. Secondly, Gordon Simpson is a co-author on a paper that has elucidated the crystal structure of the FPA proteins and finally Gareth Jenkins leads an investigation into the relationship between UV light, the UVR8 protein and histone modifications.

August 19th: This weeks Arabidopsis Research Roundup includes broad representation from Norwich Research Park with Caroline Dean, Enrico Coen and Cyril Zipfel each leading studies that focus respectively on the regulation of transcriptional state, auxin patterning that defines leaf shape or the molecular basis of the PAMP response. Elsewhere Liam Dolan (Oxford) leads, and Malcolm Bennett (CPIB) is the principal UK contributor on studies that look into different aspects of the key molecular signals in either root hair or lateral root development. Finally Richard Napier (Warwick) is a co-author on a study that better characterises the molecular basis of the well-used plant growth inhibitor MDCA.

August 8th: This weeks Arabidopsis Roundup contains a wide breadth of UK research. Firstly the lab of Jurriaan Ton undertakes a global analysis into the role of methylation in the immune response. Jurriaan kindly provides a short audio description of this work. Secondly Dame Caroline Dean’s lab further add to our understanding of the vernalisation response in Arabidopsis. Thirdly is work from Rothamstead that evaluates the fatty acid composition of the seed aleurone while fourthly is a study from Durham and Oxford Brookes that introduces a novel regulator of autophagy. Finally is a study that adds clarity to the phenotypic effects resulting from ascorbic acid deficiency.

July 27th: Each of the papers in this Arabidopsis Research Roundup involves the response to different stimuli. Giles Johnson at Manchester provides an audio description of work that has discovered a novel mechanism of cold sensing whilst Gordon Simpson and James Brown from Dundee are contributors to work that has interrogated the sugar signaling pathway. Finally is a study from Warwick that has identified novel loci involved in ABA signaling and seed vigour.

July 19th: There are six papers in this weeks Arabidopsis Research Roundup. Two of these include research on the stomatal patterning gene TMM. Firstly a White Rose consortium investigates the ancestral basis of stomatal patterning, whilst a Glasgow-based study investigates the relationship between patterning and the dynamics of guard cell opening. The GARNet committee is represented by work from Cardiff that looks at the relationship between seed size and shoot branching and also from Cambridge in research that studies meiotic recombination in genomic regions important for pathogen defense. Finally are two studies that look into aspects of root and shoot patterning and include co-authors from CPIB in Nottingham or the John Innes Centre.

July 11th: After a conference break the Arabidopsis Research Roundup returns with an outstanding selection of papers from UK (and mostly Scotland-based) researchers. Firstly Levi Yant provides an audio description of work that has identified important loci for adaption to harsh environments. Secondly John Doonan leads a multi-national group investigating the role of eiF4A phosphorylation within proliferating cells. Next two Scottish-based studies both investigate aspects of light signalling on different scales: a Glasgow-based consortium dissects the UVR8 signaling module while the role of phytochrome on global carbon allocation is studied by Karen Halliday’s group in Edinburgh. The final paper also involves significant Scottish involvement with Piers Hemsley at Dundee together with Simon Turner at Manchester investigating the role of s-acylation in the activity of the cellulose synthase complex.

June 9th: This edition of the Arabidopsis Research Roundup pleasingly includes four Open Access articles. Firstly Jose Gutierrez-Marcos leads an investigation into stress-induced memory, secondly Richard Morris is the corresponding author on a study that has developed a new model that explains waves of calcium signalling that response to environmental stresses. Thirdly is a UK-US collaboration that defines the factors that control carotenoid accumulation in seeds. Finally Chris Hawes leads a study that characterises the novel localisation of a subset of auxin biosynthetic enzymes.

May 26th: This weeks Arabidopsis Research Roundup includes six studies across a range of discplines. Firstly Alison Smith provides an excellent audio description of an investigation into the dynamics of night-time starch degradation.

Secondly three UK institutions (Durham, Exeter and Oxford Brookes) participate in a study of VAP27 membrane network proteins. Next a broad collaboration from CPIB in Nottingham then introduce a multi-scale model that helps describe Arabidopsis root development.

We also include two studies that involve collaborations with Korean researchers: Gary Loake is a contributor on a study that introduces plant RALF genes whilst Ian Henderson’s research group participates in a study into the function of the SWR1 complex in miRNA gene expression. Finally we highlight a new Plant Cell teaching tool put together by UK academics from Hull and Bristol.

May 13th: This weeks Arabidopsis Research Roundup includes two peer-reviewed papers and the release of a preprint. Vinod Kumar from the JIC provides an audio description of a study that investigates the role of the SWR1 complex in the defence response. Secondly Jessica Metcalf from Oxford is a contributor on a study that looks at population responses of Arabidopsis to simulated climate change. Finally John Brown from the James Hutton Institute is the corresponding author on a preprint that introduces a new Arabidopsis transcriptome annotation.

May 4th: There are a bumper crop of papers in this edition of the Arabidopsis Research Roundup. First from the University of Manchester is a paper that identifies a protein involved in plant programmed cell death. Secondly are two papers from the University of Bristol that highlight the role of viruses in the reflectivity of plant leaves and an assessment of the growth parameters of Arabidopsis on different soil-types. Thirdly are three papers from University of Edinburgh that either use CRISPR-Cas technology to develop virus-research plants, investigate the relationship between photoperiod and metabolism or present a method for assessment of protein S-nitrosylation. Fourthly is a paper that includes a contribution from the University of Leeds that investigates the evolutionary and functional relationship of the WOX gene family. Finally is a study that highlights the role of the AUGMIN complex during microtubule activity that includes a contribution from the University of Leicester.

In addition, although not involving Arabidopsis, we should mention an exciting study from Gerben van Ooijen (Edinburgh) that has discovered a conserved circadian mechanism based on magnesium rhythms that is linked to energy expenditure.

April 14th: This week Arabidopsis Research Roundup contains two studies that originate at the University of Birmingham. Firstly George Bassel kindly provides an audio description of a study that looks at the processes regulating seed germination. Secondly Juliet Coates leads an investigation into the function of evolutionarily conserved ARABIDILLO proteins. Elsewhere is a University of Edinburgh study into the tissue-specificity of PhyA responses and lastly an investigation of the phytotoxic effects of Cerium nanoparticles.

April 1st: This weeks Arabidopsis Research Roundup contains an eclectic mix of investigations. Firstly is a study from Peter Unwin that investigates the molecular factors that control interactions between plants and nematode parasites. Secondly is a study led by John Christie that investigates the factors that control hypocotyl curvature. Thirdly is a fascinating proof-of-concept synbio-style study from Rothamstead Research where an algal gene is transferred into Arabidopsis in the hope of developing a phytomediation-based solution to heavy metal contamination. Fourthly is a study from David Bass that catalogues protist species that feed on leaf-microorganisms whilst finally John Carr heads a study that compares RNA-dependent RNA polymerases from Arabidopsis and Potato.

March 24th: Just three papers this week in the UK Arabidopsis Research Roundup. Firstly Professor Anna Amtmann provides an audio description of her groups characterisation of the binding partners of the Histone Deacetylase Complex1 protein. Secondly Dr Carine De Marcos Lousa leads a study that investigates a set of plant-specific proteins involved in the cellular secretory pathway. Finally Dr Paul Devlin is a contributor to a study that characterises the role of a nucleoporin protein in the shade avoidance response.

March 18th: This weeks Arabidopsis Research Roundup includes three papers from the Norwich Research Park on very different topics. Firstly the team of Richard Morris investigates the nature of mRNA sequences that are transported over long-distances. Secondly Kristen Bomblies introduces a set of genes involved in the evolution of weediness whilst finally Cyril Zipfel is involved in research that developed a novel assay for identification of defence signaling components. Elsewhere Paul Devlin’s group from RHUL characterises the interactions between components of a light signaling pathway whilst Alex Webb and co-workers use a novel assay to confirm the activity of plant nucleotide cyclases involved in calcium signaling.

March 4th: There are six articles in this weeks Arabidopsis Research Roundup that bridge a diverse range of topics. Firstly lead author Deirdre McLachlan provides an audio description of a study that investigates the role of triacylglycerol breakdown in stomatal signaling. Secondly is a study that assesses the role of a Rab GTPase in control of anisotropic cell growth. The third and fourth papers looks into the defence response, focused on either JA or nitric oxide signaling. Finally are two papers that look into the response of Arabidopsis seedlings to growth on either arsenic or cadmium.

February 24th: Just three papers in this weeks Arabidopsis Research Roundup and they each cover fundamental aspects of the hormone and environmental control of gene expression. First Keith Lindsey provides an audio description of work that aims to dissect the complex hormonal regulation of root growth while secondly, Nick Harberd is involved in a study that investigates the HY5 shoot-root signaling protein. Finally Ian Graham leads a study into factors that regulate seed dormancy.

February 17th: This weeks Arabidopsis Research Roundup features papers that build upon the history of research in each featured lab. Firstly Gareth Jenkins from Glasgow continues to investigate mechanisms of UV-B signaling whilst Laila Moubayidin, now at the JIC, is involved in work that investigates the multiple factors that control root meristem size. Finally we present a three protocol papers that are featured in a new colelction of articles that focus on protocols that can be used to assess different environmental responses.

February 9th: It has been a quiet couple of weeks for newly published UK Arabidopsis Research but what might be lacking in quantity is made up for in quality! Firstly the PRESTA consortium use gene regulatory network analysis to identify a key component in the response to drought stress. Secondly is a paper featuring researchers from Rothamstead that identifies a new molecular participant in the control of RNA surveillance. Thirdly is a paper that investigates the function of aquaporins during lateral root emergence and includes researchers from Warwick and Nottingham. Finally is a study from Sheffield that investigates necrotropic and biotropic strategies employed by an ascomycete pathogen. It is also nice to observe that each of these papers are open access.

January 29th: This weeks Arabidopsis Research Roundup features a paper from David Baulcombe and Joe Ecker that further deciphers mechanisms of RNA silencing and is kindly discussed by postdoc Mat Lewsey in a short audio description. Elsewhere there are three studies that include researchers from CPIB in Nottingham. Leah Band contributes to a study that links environment sensing, cell death and auxin signaling whilst Ive De Smet leads a study that finds new proteins involved in cell division. Malcolm Bennett and John King take a modeling approach to describe auxin signaling via the GH3 protein family. Finally Frank Menke leads a study that provides more detail into Pattern Recognition Receptor (PRR) mediated immune signaling and then Jim Dunwell participates in a paper that describes a new method of analyzing GWAS data.

January 22nd: A mixed selection of research in this UK Arabidopsis Roundup. Firstly a study from Stefan Kepinski and Mark Estelle that adds another layer of understanding to the regulation of the auxin response. Enrique Lopez-Juez leads a study into signaling between the nucleus and chloroplast while Tracey Lawson contributes to an investigation into role of starch metabolism in guard cells. Fran Maathuis and co-worker looks at differences in vacuolar transport between Arabidopsis ecotypes while Alan Marchant is involved in a study of cell wall pectins. Finally William Amos has uses the 1001genomes project to investigate heterozygote instability (HI).

January 8th: For the inaugural Arabidopsis Research Roundup of 2016 we feature the final publications of UK researchers from 2015. Martin Howard kindly provides an audio description of a paper that looks at a fundamental aspect of transcriptional regulation, through the lense of the FLC gene, whilst his co-author Caroline Dean on that paper is an author on another manuscript that investigates RNA stability in the same FLC locus. Katja Graumann leads a paper that looks into gene expression at the periphery of the nucleus whilst Ian Colbeck looks at the effect of silver nanoparticles on plant growth. Ari Sadanandom is the UK lead of a study that investigates of SUMOylation and Ian Fricker looks at the role of a cytochrome P450 on the defence response. Finally Liam Dolan is involved in a comparative analysis of the genes involved in tip growth in the cells of plants and moss.


December 18th: The final Arabidopsis Research Roundup of 2015 contains a bumper crop of papers that again highlights the diversity of research occuring in UK plant science. Justin Goodrich from the University of Edinburgh kindly provides an audio description of work that identifies a novel role for a member of a transposon gene family. Elsewhere are studies about a specific aspect of the biochemistry of crytochromes as well as confirmation of a role for DNA gyrases in Arabidopsis. Paul Dupree (Cambridge) leads a study into the mechanism of ascorbic acid production while Heather Knight is the UK representative in a study about cell wall composition. We also present an investigation into the mechanism and subsequent expression changes that occur following infection with different isolates of the Turnip Mosaic Potyvirus. Finally are two short studies from Ive de Smet (Nottingham) and Matt Jones (Essex).

December 9th: This December 9th Arabidopsis Research Roundup includes four rather different studies. Firstly we include an excellent audio description from David Salt about a new type of GWAS analysis that his lab was involved in developing. This allowed identification of new genetic loci involved in molybdenum signalling. Secondly Isabelle Carre’s group from Warwick presents a study into the interactions that define the functioning of the circadian clock. Thirdly Mike Blatt leads a study that models stomatal opening and finally we include an investigation of the DOG1 gene, that includes a contribution from Fuquan Liu.

November 25th: This weeks Arabidopsis Research Roundup contains four papers each with a different focus. Firstly is a large-scale investigation that attempts to define the transcriptional changes that occur in response to bacterial infection. Corresponding authors Murray Grant kindly takes 10minutes to discuss this paper. Second is a study that investigates a newly proposed role for the chloroplast chaperone Hsp93. Thirdly is another piece of work that also involves University of Oxford researchers and investigates the genetic networks that control leaf morphology. Finally is an updated plant-specific protocol for the commonly used technique of Chromatin Immunoprecipitation.

November 13th: This weeks Arabidopsis Research Roundup presents a wide range of topics from researchers across the UK. Firstly we highlight a study that documents the early stages of a potential biotechnological/synthetic biology approach to improve higher plant photosynthesis using algal components. Corresponding author Alistair McCormick also takes five minutes to discuss this work. Secondly a team based mostly at Bath introduces the function of the PAT14 gene, which is involved in S-palmitoylation. Thirdly is a study that successfully transfers SI components between evolutionary diverged plant species and the final paper documents research that adds additional complexity to the signalling pathway that responses to strigolactones.

November 5th: Academics from the John Innes Centre lead two of the papers featured in this week Arabidopsis Research Roundup. Firstly Veronica Grieneisen leads a study that combines modeling and experimental work to assess the factors that establish the root auxin maximum and secondly the structural biologist David Lawson heads up an investigation into the plastid-localised enzyme, DPE1. Seemingly a common theme in UK-Arabidopsis research focuses on the factors that control the dynamics of stomatal opening and this week Mike Blatt from Glasgow heads a team that investigates the role of potassium and nitric oxide in this process. Finally we present a paper that investigates proteins that interact within the ER.

October 28th: This latest Arabidopsis Research Roundup is rather GARNet-focused as members of the current Advisory Board lead three of the featured papers. Firstly we present a study into mechanisms that control meiotic recombination, which also includes a short audio-description from the lead author Dr Ian Henderson. Secondly we introduce a paper that identifies the function of a novel gene in the control of male fertility and thirdly, a study of a translation control-factor that is involved in regulation of cell size and ovule development. In addition we introduce some highly collaborative work that looks into the role of SUMO proteases in SA signaling and finally a methods paper that presents a new protocol for measurement of cellulose content in Arabidopsis stems.

October 20th: There are just three research papers in this weeks Arabidopsis Roundup but they each represent important projects from established groups. Firstly is a significant output from the Edinburgh SynthSys Centre that documents their analysis of the Arabidopsis circadian clock. Secondly an international collaborative effort looks into the molecular signaling pathways that control the physiological response to increasing CO2 levels and thirdly a paper that uncovers a novel plant-specific molecular mechanism that controls the biogenesis of certain siRNAs. Finally we highlight a major review concerning the importance of Arabidopsis research over the past 50 years.

October 12th: The Arabidopsis Research Roundup is ‘defense-focused’ this week. We present three papers that highlight different aspects of plant immunity, two of which result from UK-US-China collaborations. Firstly a team from the Sainsbury Lab, Norwich looks at two molecular mechanisms that control stomatal closure. There are then two studies that involve University of Exeter researchers that investigate either the role of plant hormones in the response to bacterial pathogens or the role that the physical barrier of the cell wall plays in the prevention of infection. Next a group of JIC researchers present a Large Scale Biology investigation of microtubule interacting proteins. Finally a study from QMUL looks at the interaction between NPQ and photoinhibition in controlling the activity of Photosystem II.

September 29th: This weeks Arabidopsis Research Roundup includes papers, from Glasgow and Oxford, that look at a plants response to different abiotic stresses and uncover control mechanisms that might have potential as targets for future genetic modification or gene-editing strategies. In addition there is a study from Leeds that uncovers a novel molecular mechanism in the DNA repair pathway and finally an international group of researchers with a UK lead at Kings College uses infrared microspectroscopy to investigate internal cellular structures

September 11th: After a slow couple of weeks the Arabidopsis Research Roundup returns with some publications in high profile journals. None more so than the widely reported study from the University of York that highlights Arabidopsis plants which are able to grow on TNT-contaminated soils. Three other broadly cell biology-based studies from the JIC, Cardiff and Nottingham look at cell wall composition, vascular patterning and polyadenylation respectively. Finally a study from the James Hutton Institute presents an improved tool for identification of DNA-binding proteins in plants.

August 27th: The Arabdopsis Research Roundup broadens its remit this week. As well as including three original research papers, which look at casparian strip formation, light and hormone signaling, we also highlight an important viewpoint article that aims to set standards for synthetic biology parts. In addition we include a meeting report from a plant synthetic biology summer school and interviews with plant scientists at the JIC, Caroline Dean and Anne Osbourn.

August 21st: There are a wide array of topics included in this weeks Arabidopsis Research Roundup, ranging from studies on stomatal density, thylakoid transport, metabolic flux analysis, mutant detection and root development. We feature unlinked studies from three researchers from the University of Oxford Plant Science (Paul Jarvis, Lee Sweetlove and Nick Harberd), whilst the papers from Julie Gray and Brian Forde share the broad theme that investigates different mechanisms that might be used to improve nitrogen uptake, either by modifying the expression of a single gene involved in root development or by altering stomatal density.

August 12th: The UK Arabidopsis Research Roundup this week includes a couple of EVO-DEVO-type studies that compare processes within different organisms (Physcomitrella and Cardamine) to those occurring in Arabidopsis. These include the evolution of both hormone signaling and leaf development. Elsewhere a cell-biological focused study looks at the factors that control formation of plasmodesmata whilst another manuscript investigates the details of a plants mechanism to avoid photoinhibition.

August 5th: This weeks Arabidopsis Research Roundup bucks the recent trend of featuring large consortium-led studies as it contains four studies each from a single UK Institution. Matthew Jones (Essex) looks at the link between photosynthesis, the circadian clock and blue-light signaling whilst Miriam Gifford (Warwick) uses cell sorting to more precisely define the plants response to an oomycete pathogen. Elsewhere Peter Eastmond (Rothamstead) looks at lipid metabolism and Keith Lindsey (Durham) leads a theorectical study on the effectiveness of methods for modelling hormone crosstalk in the root.

July 30th: Two broad topics dominant the studies featured in this weeks Arabidopsis Research Roundup. Environmental and hormonal factors that control different types of ‘dormancy’ are presented in studies from the labs of Caroline Dean (JIC) and Ian Graham (York). Elsewhere two Sainsbury lab (Norwich) led studies investigate different aspects of the interaction between plants and bacterial pathogens. Finally Colin Turnbull from Imperial College is involved in an interesting assessment of cytokinin concentrations across the root tip.

July 20th: There is a bumper crop of publications in high quality journals in this weeks UK Arabidopsis Research Roundup, including manuscripts in PNAS, Nature Communications, PLoS Genetics , PloS One and Plant Physiology. Malcolm Bennett, Alex Webb and Anthony Hall lead a major collaborative effort that links the circadian clock with lateral root formation whilst Ottoline Leyser (SLCU) and Mike Bevan (JIC) participate in a similarly broad consortium in a study linking organ size and MAPK signaling. Liam Dolan’s group from Oxford looks at mechanisms of tip-growth across the plant kingdoms whilst elsewhere three members of faculty at the University of Birmingham are involved in two papers looking at the regulation of meiosis. Finally there are two US-led studies that include significant contributions from UK-based researchers, including Matthew Jones from the University of Essex.

July 11th: However we now see a variety of publications that address some important, questions in different signaling pathways. Firstly a multinational collaboration performs a genome-wide analysis of DELLA binding, followed by two studies looking different aspects of light signaling, specifically the link with the production of protective carotenoids and also with the tight control of protein degradation. Elsewhere there is the description of a systems biology approach developed to aid the definition of signaling pathways in non-model organisms and finally a commentary piece about some work on Arabidopsis Arenosa.

June 17th: This week roundup features a wide range of research topics from two current members of GARNet Advisory board as well as two papers featuring work from the lab of Laszlo Bogre at Royal Hollaway. The studies range from an investigation into the similarity between the barley and Arabidopsis circadian clocks, the role of MYR3R during regulation of organ growth, documenting a novel interaction of a MAPK protein and the development of new fluorescent probes for study of cysteine proteases.

June 10th: This weeks UK Arabidopsis Research Roundup features work from two members of the GARNet advisory board who are working on very different aspects of how plants response to external stimuli. In addition there is a genetic and biochemical dissection of primary cell wall formation as well as a comment piece that questions recent findings concerning the relationship between auxin, ABP1 and cortical microtubules.

June 3rd: We are unashamedly biased in this weeks Arabidopsis Research Roundup which firstly features work from the group of GARNet PI Jim Murray about the genetic interactions that define growth of lateral organs. Elsewhere we highlight papers that investigate a different role for CYCD3 genes in vascular development, the role of TFL1 in the shoot meristem and the ability of Arabidopsis seedling to tolerant a high light environment during ontogenesis.

May 27th: ….topics include two greatly different descriptions of how a plant responds to attack, an investigation into the intersection of vesicle and potassium transport as well as descriptions of auxin and sugar signaling.

May 14th: ….contains studies that aim to define a network of lateral root formation, elucidate modes of calcium signaling, determine mechanisms of epigenetic memory and also the influence of exon-edge evolution in determining the extent of selective pressure.

April 7th: ….. includes a mixed bag of research, including a basic study that could help improve biofuel production, work on differential metabolism of sphingolipids in pollen, analysis of leaf movements of Arabidopsis plants grown in space, and more!

February 23rd: Some interesting and diverse papers in the Arabidopsis Research Round-up this week – check out these offerings from the University of Warwick, University College London, John Innes Centre, University of Cambridge and University of Leicester.

February 9th: Today we have plenty of Scottish delights, including papers from the University of Aberdeen, Dundee,Glasgow, Edinburgh and the James Hutton Institute. There is also new work from researchers at the University of Durham, Nottingham, Leeds and Oxford.

January 21st: Fans of proteomics will be happy as we have three proteomics papers fromEdinburgh, Cambridge and Birmingham! The John Innes Centre and University of Warwick also have an update for us on how histone dynamics affect transcription;Norwich and Sainsbury Lab Cambridge-based researchers tell us more about ELF3; Rothamsted scientists reveal roles for CER2-LIKE proteins; and Donna Bond andProfessor Sir David Baulcombe reveal how virus-induced gene silencing can be used to study transposable elements.

January 14th: Today’s round-up features new work by scientists from the Universities of York, Leicester, Cambridge, Edinburgh and Leeds, and from the institutes Rothamsted Research and the James Hutton Institute.

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