Due to a significant delay this GARNet Research Roundup is a bumper overview of recent(ish) publications across discovery-led plant science, which have at least one contributor from a UK institution.
These can be (very) loosely separated into the following categories:
Circadian Clock: Greenwood et al, PloS Biology. Belbin et al, Nature Communications.
Environmental responses: Rodríguez-Celma et al, PNAS. Walker and Bennett, Nature Plants. Conn et al, PLoS Comput Biology. de Jong et al,PLoS Genetics. Molina-Contreras et al,The Plant Cell.
Defence signaling: Van de Weyer et al, Cell.Hurst et al, Scientific Reports. Xiao et al, Nature. Wong et al, PNAS.
Cell Biology: Miller et al, The Plant Cell. Coudert et al, Current Biology. Burgess et al,The Plant Cell. Harrington et al, BMC Plant Biology.
Metabolism: Jia et al, J Biol Chem. Perdomo et al, Biochem J. Gurrieri et al, Frontiers in Plant Science. Mucha et al, The Plant Cell. Atkinson et al, JXBot.
Cell Wall Composition: Wightman et al, Micron. Milhinhos et al, PNAS.
Signaling: Hartman et al, Nature Communications. Dittrich et al, Nature Plants. Villaécija-Aguilar et al, PLoS Genetics
Greenwood M, Domijan M, Gould PD, Hall AJW, Locke JCW (2019) Coordinated circadian timing through the integration of local inputs in Arabidopsis thaliana. PLoS Biol. 17(8):e3000407. doi: 10.1371/journal.pbio.300040 Open Access
Lead author is Mark Greenwood. UK contribution from The Sainsbury lab University of Cambridge, University of Liverpool and Earlham Institute. Using a mixture of experimental and modeling this paper shows that individual organs have circadian clocks that runs at different speeds.
Belbin FE, Hall GJ, Jackson AB, Schanschieff FE, Archibald G, Formstone C, Dodd AN (2019) Plant circadian rhythms regulate the effectiveness of a glyphosate-based herbicide. Nat Commun. 2019 Aug 16;10(1):3704. doi: 10.1038/s41467-019-11709-5 Open Access
Lead author is Fiona Belbin. UK contribution from University of Bristol and Syngenta Jealott’s Hill. Activity of the circadian clock determines that the plant response to the herbicide glyphosate is lessened at dusk, promoting the idea of agricultural chronotherapy. Fiona discusses this paper on the GARNet Community Podcast.
Rodríguez-Celma J, Connorton JM, Kruse I, Green RT, Franceschetti M, Chen YT, Cui Y, Ling HQ, Yeh KC, Balk J (2019) Arabidopsis BRUTUS-LIKE E3 ligases negatively regulate iron uptake by targeting transcription factor FIT for recycling. Proc Natl Acad Sci U S A. doi: 10.1073/pnas.1907971116 Open Access
Lead author is Jorge Rodríguez-Celma. UK contribution from John Innes Centre, University of East Anglia.The Arabidopsis E3 ubiquitin ligases, BRUTUS-LIKE1 (BTSL1) and BTSL2 target the FIT transcription factor for degradation, altering the plant response to harmful level of iron.
Walker CH, Bennett T (2019) A distributive ‘50% rule’ determines floral initiation rates in the Brassicaceae. Nat Plants. doi: 10.1038/s41477-019-0503-z
Lead author Catriona Walker. UK contribution from the University of Leeds. The authors introduce the 50%-rule that defines the relationshop between the total number of flowers the number of secondary inflorescences
Conn A, Chandrasekhar A, Rongen MV, Leyser O, Chory J, Navlakha S (2019) Network trade-offs and homeostasis in Arabidopsis shoot architectures. PLoS Comput Biol. doi: 10.1371/journal.pcbi.100732 Open Access
Lead author is Adam Conn. UK contribution from Sainsbury Laboratory, University of Cambridge. This study performed 3D scanning of 152 Arabidopsis shoot architectures to investigate how plants make trade-offs between competing objectives.
de Jong M, Tavares H, Pasam RK, Butler R, Ward S, George G, Melnyk CW, Challis R, Kover PX, Leyser O (2019) Natural variation in Arabidopsis shoot branching plasticity in response to nitrate supply affects fitness. PLoS Genet. doi: 10.1371/journal.pgen.1008366 Open Access
Lead author is Maaike de Jong. UK contribution from the Sainsbury Laboratory, University of Cambridge, the University of York and the University of Bath. This study looks at phenotypic plasticity of shoot branching in Arabidopsis diversity panels grown until different nitrate concentrations.
Molina-Contreras MJ, Paulišić S, Then C, Moreno-Romero J, Pastor-Andreu P, Morelli L, Roig-Villanova I, Jenkins H, Hallab A, Gan X, Gómez-Cadenas A, Tsiantis M, Rodriguez-Concepcion M, Martinez-Garcia JF (2019) Photoreceptor Activity Contributes to Contrasting Responses to Shade in Cardamine and Arabidopsis Seedlings. Plant Cell. doi: 10.1105/tpc.19.00275 Open Access
Lead author is Maria Jose Molina-Contreras. UK contribution from the University of Oxford. The authors looks at the response to different light conditions and how they contribute to phenotypic determination in Cardamine and Arabidopsis seedlings.
Van de Weyer AL, Monteiro F, Furzer OJ, Nishimura MT, Cevik V, Witek K, Jones JDG, Dangl JL, Weigel D, Bemm F (2019) A Species-Wide Inventory of NLR Genes and Alleles in Arabidopsis thaliana. Cell. doi: 10.1016/j.cell.2019.07.038 Open Access
Lead author is Anna-Lena Van de Weyer. UK contribution from The Sainsbury Laboratory, Norwich. Using sequence enrichment and long-read sequencing the authors present the pan-NLRome constructed from 40 Arabidopsis accessions.
Hurst CH, Wright KM, Turnbull D, Leslie K, Jones S, Hemsley PA (2019) Juxta-membrane S-acylation of plant receptor-like kinases is likely fortuitous and does not necessarily impact upon function. Sci Rep. doi: 10.1038/s41598-019-49302-x Open Access
Lead author is Charlotte Hurst. UK contribution from the James Hutton Institute and the University of Dundee. They look at the functional role of post-translational modification S-acylation with a focus on the plant pathogen perceiving receptor-like kinase FLS2.
Xiao Y, Stegmann M, Han Z, DeFalco TA, Parys K, Xu L, Belkhadir Y, Zipfel C, Chai J (2019) Mechanisms of RALF peptide perception by a heterotypic receptor complex. Nature. doi: 10.1038/s41586-019-1409-7
Lead author is Yu Xiao. UK contribution from The Sainsbury
Laboratory, Norwich. This study investigates how RAPID ALKALINIZATION
FACTOR (RALF) peptides induce receptor complex formation to regulate
immune signaling.
Wong JEMM, Nadzieja M, Madsen LH, Bücherl CA, Dam S, Sandal NN, Couto
D, Derbyshire P, Uldum-Berentsen M, Schroeder S, Schwämmle V, Nogueira
FCS, Asmussen MH, Thirup S, Radutoiu S, Blaise M, Andersen KR, Menke
FLH, Zipfel C, Stougaard J (2019). A Lotus japonicus cytoplasmic kinase connects Nod factor perception by the NFR5 LysM receptor to nodulation. Proc Natl Acad Sci U S A. doi: 10.1073/pnas.1815425116
Open Access
Lead author is Jaslyn Wong. UK contribution from The Sainsbury Laboratory, University of East Anglia. This work was conducted in the legume Lotus and after a proteomic screen, the authors identified NFR5-interacting cytoplasmic kinase 4 that is involved in control of Nod factor perception.
Miller C, Wells R, McKenzie N, Trick M, Ball J, Fatihi A, Dubreucq B, Chardot T, Lepiniec L, Bevan MW (2019) Variation in expression of the HECT E3 ligase UPL3 modulates LEC2 levels, seed size and crop yield in Brassica napus. Plant Cell. doi: 10.1105/tpc.18.00577
Open Access
Lead author in Charlotte Miller. UK contribution from the John Innes Centre. Activity of the Brassica napus HECT E3 ligase gene BnaUPL3 controls seed weight per pod through degradation of LEC2, a master transcriptional regulator of seed maturation and reveals a potential target for crop improvement
Coudert Y, Novák O, Harrison CJ (2019) A KNOX-Cytokinin Regulatory Module Predates the Origin of Indeterminate Vascular Plants. Curr Biol. 2019 Aug 19;29(16):2743-2750.e5. doi: 10.1016/j.cub.2019.06.083
Lead author is Yoan Coudert. UK contribution from the University of Cambridge and University of Bristol. Class I KNOX gene activity is shown to be necessary for axis extension from an intercalary region of determinate moss shoots, in part through promotion of cytokinin biosynthesis.
Burgess SJ, Reyna-Llorens I, Stevenson SR, Singh P, Jaeger K, Hibberd JM (2019) Genome-wide transcription factor binding in leaves from C3 and C4 grasses Plant Cell. doi: 10.1105/tpc.19.00078 Open Access
Lead author is Steven Burgess. UK contribution from University of Cambridge, The Sainsbury lab University of Cambridge, University of Leeds The authors use DNaseI-SEQ to assess the similarities and differences in transcription factor binding sites in the leaves across a set of four C3 and C4 grasses.
Harrington SA, Overend LE, Cobo N, Borrill P, Uauy C (2019) Conserved residues in the wheat (Triticum aestivum) NAM-A1 NAC domain are required for protein binding and when mutated lead to delayed peduncle and flag leaf senescence. BMC Plant Biol. doi: 10.1186/s12870-019-2022-
Lead author is Sophie Harrington. UK contributions from the John Innes Centre and University of Birmingham. The authors used a wheat TILLING resource to investigate mutrant allele with the NAC domain of the NAM-A1 transcription factor and their contribution to phenotypes in lab and field.
Jia Y, Burbidge CA, Sweetman C, Schutz E, Soole K, Jenkins C, Hancock RD, Bruning JB, Ford CM (2019) An aldo-keto reductase with 2-keto- L-gulonate reductase activity functions in L-tartaric acid biosynthesis from vitamin C in Vitis vinifera. J Biol Chem. doi: 10.1074/jbc.RA119.010196 Open Access
Lead author Yong Jia. UK contribution from the James Hutton Institute. This work conducted in grape reveals the mechanism by which an aldo-keto reductase functions in tartaric acid biosynthesis.
Perdomo JA, Degen GE, Worrall D, Carmo-Silva E (2019) Rubisco activation by wheat Rubisco activase isoform 2β is insensitive to inhibition by ADP. Biochem J. doi: 10.1042/BCJ2019011 Open Access
Lead author is Juan Alejandro Perdomo. UK contribution from Lancaster University. They show through analysis of site-directed mutations across three isoforms of wheat Rubisco activase that these isoforms have different sensitivities to ADP.
Gurrieri L, Distefano L, Pirone C, Horrer D, Seung D, Zaffagnini M, Rouhier N, Trost P, Santelia D, Sparla F (2019) The Thioredoxin-Regulated α-Amylase 3 of Arabidopsis thaliana Is a Target of S-Glutathionylation. Front Plant Sci. doi: 10.3389/fpls.2019.00993 Open Access
Lead author is Libero Gurrieri. UK contribution from John Innes Centre. The chloroplastic α-Amylases, AtAMY3 is post-translationally modified by S-glutathionylation in response to oxidative stress.
Mucha S, Heinzlmeir S, Kriechbaumer V, Strickland B, Kirchhelle C, Choudhary M, Kowalski N, Eichmann R, Hueckelhoven R, Grill E, Kuster B, Glawischnig E (2019) The formation of a camalexin-biosynthetic metabolon. Plant Cell. doi: 10.1105/tpc.19.00403 Open Access
Lead author is Stefanie Mucha. UK contribution from Oxford Brookes University and University of Warwick. The authors performed two independent untargeted co-immunoprecipitations to identify components involved in biosynthesis of the antifungal phytoalexin camalexin.
Atkinson N, Velanis CN, Wunder T, Clarke DJ, Mueller-Cajar O, McCormick AJ (2019) The pyrenoidal linker protein EPYC1 phase separates with hybrid Arabidopsis-Chlamydomonas Rubisco through interactions with the algal Rubisco small subunit. J Exp Bot. doi: 10.1093/jxb/erz275
Open Access
Lead author is Nicky Atkinson. UK contribution from the University of Edinburgh. This study uses Arabidopsis-Chlamydomonas to investigate the protein-protein interaction between Rubisco and essential pyrenoid component 1 (EPYC1).
Wightman R, Busse-Wicher M, Dupree P (2019) Correlative FLIM-confocal-Raman mapping applied to plant lignin composition and autofluorescence. Micron. doi: 10.1016/j.micron.2019.102733
Lead author Raymond Wightman. UK contribution from the Sainsbury Laboratory, University of Cambridge and the University of Cambridge. This study uses applies a novelmethod of correlative FLIM-confocal-Raman imaging to analyse lignin composition in Arabidopsis stems.
Milhinhos A, Vera-Sirera F, Blanco-Touriñán N, Mari-Carmona C, Carrió-Seguí À, Forment J, Champion C, Thamm A, Urbez C, Prescott H, Agustí J (2019) SOBIR1/EVR prevents precocious initiation of fiber differentiation during wood development through a mechanism involving BP and ERECTA. Proc Natl Acad Sci U S A. doi: 10.1073/pnas.1807863116
Lead author is Ana Milhinho. UK contribution from the University of Oxford. The authors used GWAS in Arabidopsis to identify the SOBIR1/EVR as an important regulator of the control of secondary growth in xylem fibers.
Hartman S, Liu Z, van Veen H, Vicente J, Reinen E, Martopawiro S, Zhang H, van Dongen N, Bosman F, Bassel GW, Visser EJW, Bailey-Serres J, Theodoulou FL, Hebelstrup KH, Gibbs DJ, Holdsworth MJ, Sasidharan R, Voesenek LACJ (2019) Ethylene-mediated nitric oxide depletion pre-adapts plants to hypoxia stress. Nat Commun. doi: 10.1038/s41467-019-12045-4 Open Access
Lead author is Sjon Hartman. UK contribution from the University of Nottingham, Rothamsted Research and the University of Birmingham. This multinational collaboration looks into the relationship of how ethylene mediated nitric-oxide signaling responds to environmental signals.
Dittrich M, Mueller HM, Bauer H, Peirats-Llobet M, Rodriguez PL, Geilfus CM, Carpentier SC, Al Rasheid KAS, Kollist H, Merilo E, Herrmann J, Müller T, Ache P, Hetherington AM, Hedrich R (2019) The role of Arabidopsis ABA receptors from the PYR/PYL/RCAR family in stomatal acclimation and closure signal integration. Nat Plants. doi: 10.1038/s41477-019-0490-0
Lead author Marcus Dittrich. UK contribution from the University of Bristol. This work looks at the role of ABA signaling in stomatal responses and that the multiple ABA receptors can be modulated differentially in a stimulus-specific manner.
Villaécija-Aguilar JA, Hamon-Josse M, Carbonnel S, Kretschmar A, Schmid C, Dawid C, Bennett T, Gutjahr C (2019). SMAX1/SMXL2 regulate root and root hair development downstream of KAI2-mediated signalling in Arabidopsis. PLoS Genet. doi: 10.1371/journal.pgen.1008327 Open Access
Lead author Jose Antonio Villaécija-Aguilar. UK contribution from the University of Leeds and The Sainsbury lab, University of Cambridge. This demonstrates that KAI2 signalling through SMAX1/SMXL2 , is an important new regulator of root hair and root development in Arabidopsis.
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