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Nature Plants

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https://www.readbyqxmd.com/read/28628132/resilience-potential-of-the-ethiopian-coffee-sector-under-climate-change
#1
Justin Moat, Jenny Williams, Susana Baena, Timothy Wilkinson, Tadesse W Gole, Zeleke K Challa, Sebsebe Demissew, Aaron P Davis
Coffee farming provides livelihoods for around 15 million farmers in Ethiopia and generates a quarter of the country's export earnings. Against a backdrop of rapidly increasing temperatures and decreasing rainfall, there is an urgent need to understand the influence of climate change on coffee production. Using a modelling approach in combination with remote sensing, supported by rigorous ground-truthing, we project changes in suitability for coffee farming under various climate change scenarios, specifically by assessing the exposure of coffee farming to future climatic shifts...
June 19, 2017: Nature Plants
https://www.readbyqxmd.com/read/28628131/a-crispr-cpf1-system-for-efficient-genome-editing-and-transcriptional-repression-in-plants
#2
Xu Tang, Levi G Lowder, Tao Zhang, Aimee A Malzahn, Xuelian Zheng, Daniel F Voytas, Zhaohui Zhong, Yiyi Chen, Qiurong Ren, Qian Li, Elida R Kirkland, Yong Zhang, Yiping Qi
This corrects the article DOI: 10.1038/nplants.2017.18.
June 19, 2017: Nature Plants
https://www.readbyqxmd.com/read/28628086/nitrate-signalling-calcium-bridges-the-nitrate-gap
#3
Gabriel Krouk
No abstract text is available yet for this article.
June 19, 2017: Nature Plants
https://www.readbyqxmd.com/read/28628080/viral-suppressors-combatting-rna-silencing
#4
José-Antonio Daròs
No abstract text is available yet for this article.
June 19, 2017: Nature Plants
https://www.readbyqxmd.com/read/28628079/neutralization-of-mobile-antiviral-small-rna-through-peroxisomal-import
#5
M Incarbone, A Zimmermann, P Hammann, M Erhardt, F Michel, P Dunoyer
In animals, certain viral proteins are targeted to peroxisomes to dampen the antiviral immune response mediated by these organelles(1-3). In plants, RNA interference (RNAi) mediated by small interfering (si)RNA is the main antiviral defence mechanism. To protect themselves against the cell- and non-cell autonomous effects of RNAi, viruses produce viral suppressors of RNA silencing (VSR)(4), whose study is crucial to properly understand the biological cycle of plant viruses and potentially find new solutions to control these pathogens...
June 19, 2017: Nature Plants
https://www.readbyqxmd.com/read/28604725/subunit-and-chlorophyll-organization-of-the-plant-photosystem-ii-supercomplex
#6
Laura S van Bezouwen, Stefano Caffarri, Ravindra S Kale, Roman Kouřil, Andy-Mark W H Thunnissen, Gert T Oostergetel, Egbert J Boekema
Photosystem II (PSII) is a light-driven protein, involved in the primary reactions of photosynthesis. In plant photosynthetic membranes PSII forms large multisubunit supercomplexes, containing a dimeric core and up to four light-harvesting complexes (LHCs), which act as antenna proteins. Here we solved a three-dimensional (3D) structure of the C2S2M2 supercomplex from Arabidopsis thaliana using cryo-transmission electron microscopy (cryo-EM) and single-particle analysis at an overall resolution of 5.3 Å...
June 12, 2017: Nature Plants
https://www.readbyqxmd.com/read/28604682/architecture-and-permeability-of-post-cytokinesis-plasmodesmata-lacking-cytoplasmic-sleeves
#7
William J Nicolas, Magali S Grison, Sylvain Trépout, Amélia Gaston, Mathieu Fouché, Fabrice P Cordelières, Karl Oparka, Jens Tilsner, Lysiane Brocard, Emmanuelle M Bayer
Plasmodesmata are remarkable cellular machines responsible for the controlled exchange of proteins, small RNAs and signalling molecules between cells. They are lined by the plasma membrane (PM), contain a strand of tubular endoplasmic reticulum (ER), and the space between these two membranes is thought to control plasmodesmata permeability. Here, we have reconstructed plasmodesmata three-dimensional (3D) ultrastructure with an unprecedented level of 3D information using electron tomography. We show that within plasmodesmata, ER-PM contact sites undergo substantial remodelling events during cell differentiation...
June 12, 2017: Nature Plants
https://www.readbyqxmd.com/read/28604681/corrigendum-plant-cholesterol-biosynthetic-pathway-overlaps-with-phytosterol-metabolism
#8
Prashant D Sonawane, Jacob Pollier, Sayantan Panda, Jedrzej Szymanski, Hassan Massalha, Meital Yona, Tamar Unger, Sergey Malitsky, Philipp Arendt, Laurens Pauwels, Efrat Almekias-Siegl, Ilana Rogachev, Sagit Meir, Pablo D Cárdenas, Athar Masri, Marina Petrikov, Hubert Schaller, Arthur A Schaffer, Avinash Kamble, Ashok P Giri, Alain Goossens, Asaph Aharoni
This corrects the article DOI: 10.1038/nplants.2016.205.
June 12, 2017: Nature Plants
https://www.readbyqxmd.com/read/28604680/genome-sequencing-illuminating-the-sunflower-genome
#9
Sébastien Renaut
No abstract text is available yet for this article.
June 12, 2017: Nature Plants
https://www.readbyqxmd.com/read/28585570/data-management-and-best-practice-for-plant-science
#10
Sabina Leonelli, Robert P Davey, Elizabeth Arnaud, Geraint Parry, Ruth Bastow
No abstract text is available yet for this article.
June 6, 2017: Nature Plants
https://www.readbyqxmd.com/read/28585569/political-potholes-in-the-roadmap-for-research
#11
EDITORIAL
(no author information available yet)
No abstract text is available yet for this article.
June 6, 2017: Nature Plants
https://www.readbyqxmd.com/read/28585562/sperm-cells-are-passive-cargo-of-the-pollen-tube-in-plant-fertilization
#12
Jun Zhang, Qingpei Huang, Sheng Zhong, Andrea Bleckmann, Jiaying Huang, Xinyang Guo, Qing Lin, Hongya Gu, Juan Dong, Thomas Dresselhaus, Li-Jia Qu
Sperm cells of seed plants have lost their motility and are transported by the vegetative pollen tube cell for fertilization, but the extent to which they regulate their own transportation is a long-standing debate. Here we show that Arabidopsis lacking two bHLH transcription factors produces pollen without sperm cells. This abnormal pollen mostly behaves like the wild type and demonstrates that sperm cells are dispensable for normal pollen tube development.
June 6, 2017: Nature Plants
https://www.readbyqxmd.com/read/28585561/nitrogen-transformations-in-modern-agriculture-and-the-role-of-biological-nitrification-inhibition
#13
REVIEW
Devrim Coskun, Dev T Britto, Weiming Shi, Herbert J Kronzucker
The nitrogen (N)-use efficiency of agricultural plants is notoriously poor. Globally, about 50% of the N fertilizer applied to cropping systems is not absorbed by plants, but lost to the environment as ammonia (NH3), nitrate (NO3(-)), and nitrous oxide (N2O, a greenhouse gas with 300 times the heat-trapping capacity of carbon dioxide), raising agricultural production costs and contributing to pollution and climate change. These losses are driven by volatilization of NH3 and by a matrix of nitrification and denitrification reactions catalysed by soil microorganisms (chiefly bacteria and archaea)...
June 6, 2017: Nature Plants
https://www.readbyqxmd.com/read/28585552/rice-domestication-an-imperfect-african-solution
#14
Haijun Liu, Jianbing Yan
No abstract text is available yet for this article.
June 6, 2017: Nature Plants
https://www.readbyqxmd.com/read/28585541/the-social-dimensions-of-invasive-plants
#15
REVIEW
Lesley Head
Invasive plants pose a major environmental management issue. Research into the social dimensions of this issue has flourished over the past decade, as part of the critical examination of relations between human and nonhuman worlds. The social sciences and humanities have made substantial contributions to conceptualizing invasiveness and nativeness; understanding the perceptions, attitudes and values of diverse stakeholders; and analysing the politics and practices of invasive plant management. Cultural analysis allows areas of conflict and commonality to be identified...
June 6, 2017: Nature Plants
https://www.readbyqxmd.com/read/28581507/isotope-evidence-for-agricultural-extensification-reveals-how-the-world-s-first-cities-were-fed
#16
Amy K Styring, Michael Charles, Federica Fantone, Mette Marie Hald, Augusta McMahon, Richard H Meadow, Geoff K Nicholls, Ajita K Patel, Mindy C Pitre, Alexia Smith, Arkadiusz Sołtysiak, Gil Stein, Jill A Weber, Harvey Weiss, Amy Bogaard
This study sheds light on the agricultural economy that underpinned the emergence of the first urban centres in northern Mesopotamia. Using δ(13)C and δ(15)N values of crop remains from the sites of Tell Sabi Abyad, Tell Zeidan, Hamoukar, Tell Brak and Tell Leilan (6500-2000 cal bc), we reveal that labour-intensive practices such as manuring/middening and water management formed an integral part of the agricultural strategy from the seventh millennium bc. Increased agricultural production to support growing urban populations was achieved by cultivation of larger areas of land, entailing lower manure/midden inputs per unit area-extensification...
June 5, 2017: Nature Plants
https://www.readbyqxmd.com/read/28581506/arabidopsis-evolution-roots-in-africa
#17
Jun Lyu
No abstract text is available yet for this article.
June 5, 2017: Nature Plants
https://www.readbyqxmd.com/read/28548656/nlr-locus-mediated-trade-off-between-abiotic-and-biotic-stress-adaptation-in-arabidopsis
#18
Hirotaka Ariga, Taku Katori, Takashi Tsuchimatsu, Taishi Hirase, Yuri Tajima, Jane E Parker, Rubén Alcázar, Maarten Koornneef, Owen Hoekenga, Alexander E Lipka, Michael A Gore, Hitoshi Sakakibara, Mikiko Kojima, Yuriko Kobayashi, Satoshi Iuchi, Masatomo Kobayashi, Kazuo Shinozaki, Yoichi Sakata, Takahisa Hayashi, Yusuke Saijo, Teruaki Taji
Osmotic stress caused by drought, salt or cold decreases plant fitness. Acquired stress tolerance defines the ability of plants to withstand stress following an initial exposure(1). We found previously that acquired osmotolerance after salt stress is widespread among Arabidopsis thaliana accessions(2). Here, we identify ACQOS as the locus responsible for ACQUIRED OSMOTOLERANCE. Of its five haplotypes, only plants carrying group 1 ACQOS are impaired in acquired osmotolerance. ACQOS is identical to VICTR, encoding a nucleotide-binding leucine-rich repeat (NLR) protein(3)...
May 26, 2017: Nature Plants
https://www.readbyqxmd.com/read/28548655/an-n-acetylglucosamine-transporter-required-for-arbuscular-mycorrhizal-symbioses-in-rice-and-maize
#19
Marina Nadal, Ruairidh Sawers, Shamoon Naseem, Barbara Bassin, Corinna Kulicke, Abigail Sharman, Gynheung An, Kyungsook An, Kevin R Ahern, Amanda Romag, Thomas P Brutnell, Caroline Gutjahr, Niko Geldner, Christophe Roux, Enrico Martinoia, James B Konopka, Uta Paszkowski
Most terrestrial plants, including crops, engage in beneficial interactions with arbuscular mycorrhizal fungi. Vital to the association is mutual recognition involving the release of diffusible signals into the rhizosphere. Previously, we identified the maize no perception 1 (nope1) mutant to be defective in early signalling. Here, we report cloning of ZmNope1 on the basis of synteny with rice. NOPE1 encodes a functional homologue of the Candida albicans N-acetylglucosamine (GlcNAc) transporter NGT1, and represents the first plasma membrane GlcNAc transporter identified from plants...
May 26, 2017: Nature Plants
https://www.readbyqxmd.com/read/28548654/arbuscular-mycorrhiza-a-new-role-for-n-acetylglucosamine
#20
Benoit Lefebvre
No abstract text is available yet for this article.
May 26, 2017: Nature Plants
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