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Nature Plants

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https://www.readbyqxmd.com/read/28504704/glyphosate-resistance-of-superweeds-and-survivors
#1
Ryan Scarrow
No abstract text is available yet for this article.
May 15, 2017: Nature Plants
https://www.readbyqxmd.com/read/28504699/expansion-of-the-redox-sensitive-proteome-coincides-with-the-plastid-endosymbiosis
#2
Christian Woehle, Tal Dagan, Giddy Landan, Assaf Vardi, Shilo Rosenwasser
The redox-sensitive proteome (RSP) consists of protein thiols that undergo redox reactions, playing an important role in coordinating cellular processes. Here, we applied a large-scale phylogenomic reconstruction approach in the model diatom Phaeodactylum tricornutum to map the evolutionary origins of the eukaryotic RSP. The majority of P. tricornutum redox-sensitive cysteines (76%) is specific to eukaryotes, yet these are encoded in genes that are mostly of a prokaryotic origin (57%). Furthermore, we find a threefold enrichment in redox-sensitive cysteines in genes that were gained by endosymbiotic gene transfer during the primary plastid acquisition...
May 15, 2017: Nature Plants
https://www.readbyqxmd.com/read/28504660/physiological-evolution-genomic-redox-footprints
#3
William F Martin, Helmut Sies
No abstract text is available yet for this article.
May 15, 2017: Nature Plants
https://www.readbyqxmd.com/read/28481332/a-single-nucleotide-polymorphism-causes-smaller-grain-size-and-loss-of-seed-shattering-during-african-rice-domestication
#4
Wenguang Wu, Xiaoyun Liu, Muhua Wang, Rachel S Meyer, Xiaojin Luo, Marie-Noelle Ndjiondjop, Lubin Tan, Jianwei Zhang, Jianzhong Wu, Hongwei Cai, Chuanqing Sun, Xiangkun Wang, Rod A Wing, Zuofeng Zhu
Grain size is one of the most important components of grain yield and selecting large seeds has been a main target during plant domestication. Surprisingly, the grain of African cultivated rice (Oryza glaberrima Steud.) typically is smaller than that of its progenitor, Oryza barthii. Here we report the cloning and characterization of a quantitative trait locus, GL4, controlling the grain length on chromosome 4 in African rice, which regulates longitudinal cell elongation of the outer and inner glumes. Interestingly, GL4 also controls the seed shattering phenotype like its orthologue SH4 gene in Asian rice...
May 8, 2017: Nature Plants
https://www.readbyqxmd.com/read/28481330/spatially-resolved-transcriptome-profiling-in-model-plant-species
#5
Stefania Giacomello, Fredrik Salmén, Barbara K Terebieniec, Sanja Vickovic, José Fernandez Navarro, Andrey Alexeyenko, Johan Reimegård, Lauren S McKee, Chanaka Mannapperuma, Vincent Bulone, Patrik L Ståhl, Jens F Sundström, Nathaniel R Street, Joakim Lundeberg
Understanding complex biological systems requires functional characterization of specialized tissue domains. However, existing strategies for generating and analysing high-throughput spatial expression profiles were developed for a limited range of organisms, primarily mammals. Here we present the first available approach to generate and study high-resolution, spatially resolved functional profiles in a broad range of model plant systems. Our process includes high-throughput spatial transcriptome profiling followed by spatial gene and pathway analyses...
May 8, 2017: Nature Plants
https://www.readbyqxmd.com/read/28481327/root-hydrotropism-is-controlled-via-a-cortex-specific-growth-mechanism
#6
Daniela Dietrich, Lei Pang, Akie Kobayashi, John A Fozard, Véronique Boudolf, Rahul Bhosale, Regina Antoni, Tuan Nguyen, Sotaro Hiratsuka, Nobuharu Fujii, Yutaka Miyazawa, Tae-Woong Bae, Darren M Wells, Markus R Owen, Leah R Band, Rosemary J Dyson, Oliver E Jensen, John R King, Saoirse R Tracy, Craig J Sturrock, Sacha J Mooney, Jeremy A Roberts, Rishikesh P Bhalerao, José R Dinneny, Pedro L Rodriguez, Akira Nagatani, Yoichiroh Hosokawa, Tobias I Baskin, Tony P Pridmore, Lieven De Veylder, Hideyuki Takahashi, Malcolm J Bennett
Plants can acclimate by using tropisms to link the direction of growth to environmental conditions. Hydrotropism allows roots to forage for water, a process known to depend on abscisic acid (ABA) but whose molecular and cellular basis remains unclear. Here we show that hydrotropism still occurs in roots after laser ablation removed the meristem and root cap. Additionally, targeted expression studies reveal that hydrotropism depends on the ABA signalling kinase SnRK2.2 and the hydrotropism-specific MIZ1, both acting specifically in elongation zone cortical cells...
May 8, 2017: Nature Plants
https://www.readbyqxmd.com/read/28470189/leaf-development-hole-creation
#7
Chris Surridge
No abstract text is available yet for this article.
May 4, 2017: Nature Plants
https://www.readbyqxmd.com/read/28470187/alternative-splicing-the-lord-of-the-rings
#8
Federico Ariel, Martin Crespi
No abstract text is available yet for this article.
May 4, 2017: Nature Plants
https://www.readbyqxmd.com/read/28470186/saving-the-world
#9
EDITORIAL
(no author information available yet)
No abstract text is available yet for this article.
May 4, 2017: Nature Plants
https://www.readbyqxmd.com/read/28470184/striga-resistance-cloak-the-strigolactone
#10
Jun Lyu
No abstract text is available yet for this article.
May 4, 2017: Nature Plants
https://www.readbyqxmd.com/read/28470183/nodule-cysteine-rich-peptides-maintain-a-working-balance-during-nitrogen-fixing-symbiosis
#11
REVIEW
Huairong Pan, Dong Wang
The nitrogen-fixing symbiosis between legumes and rhizobia is highly relevant to human society and global ecology. One recent breakthrough in understanding the molecular interplay between the plant and the prokaryotic partner is that, at least in certain legumes, the host deploys a number of antimicrobial peptides, called nodule cysteine-rich (NCR) peptides, to control the outcome of this symbiosis. Under this plant dominance, the bacteria are subject to the sub-lethal toxicity of these antimicrobial peptides, resulting in limited reproductive potential...
May 4, 2017: Nature Plants
https://www.readbyqxmd.com/read/28470182/leaf-development-hole-creation
#12
Chris Surridge
No abstract text is available yet for this article.
May 4, 2017: Nature Plants
https://www.readbyqxmd.com/read/28470181/saving-the-world
#13
EDITORIAL
(no author information available yet)
No abstract text is available yet for this article.
May 4, 2017: Nature Plants
https://www.readbyqxmd.com/read/28470170/alternative-splicing-the-lord-of-the-rings
#14
Federico Ariel, Martin Crespi
No abstract text is available yet for this article.
May 4, 2017: Nature Plants
https://www.readbyqxmd.com/read/28470167/nodule-cysteine-rich-peptides-maintain-a-working-balance-during-nitrogen-fixing-symbiosis
#15
REVIEW
Huairong Pan, Dong Wang
The nitrogen-fixing symbiosis between legumes and rhizobia is highly relevant to human society and global ecology. One recent breakthrough in understanding the molecular interplay between the plant and the prokaryotic partner is that, at least in certain legumes, the host deploys a number of antimicrobial peptides, called nodule cysteine-rich (NCR) peptides, to control the outcome of this symbiosis. Under this plant dominance, the bacteria are subject to the sub-lethal toxicity of these antimicrobial peptides, resulting in limited reproductive potential...
May 4, 2017: Nature Plants
https://www.readbyqxmd.com/read/28470165/striga-resistance-cloak-the-strigolactone
#16
Jun Lyu
No abstract text is available yet for this article.
May 4, 2017: Nature Plants
https://www.readbyqxmd.com/read/28452998/plant-cell-growth-cellulose-caught-slipping
#17
Tobias I Baskin
No abstract text is available yet for this article.
April 28, 2017: Nature Plants
https://www.readbyqxmd.com/read/28452988/nanoscale-movements-of-cellulose-microfibrils-in-primary-cell-walls
#18
Tian Zhang, Dimitrios Vavylonis, Daniel M Durachko, Daniel J Cosgrove
The growing plant cell wall is commonly considered to be a fibre-reinforced structure whose strength, extensibility and anisotropy depend on the orientation of crystalline cellulose microfibrils, their bonding to the polysaccharide matrix and matrix viscoelasticity(1-4). Structural reinforcement of the wall by stiff cellulose microfibrils is central to contemporary models of plant growth, mechanics and meristem dynamics(4-12). Although passive microfibril reorientation during wall extension has been inferred from theory and from bulk measurements(13-15), nanometre-scale movements of individual microfibrils have not been directly observed...
April 28, 2017: Nature Plants
https://www.readbyqxmd.com/read/28436943/transient-cell-specific-exo70a1-activity-in-the-casp-domain-and-casparian-strip-localization
#19
Lothar Kalmbach, Kian Hématy, Damien De Bellis, Marie Barberon, Satoshi Fujita, Robertas Ursache, Jean Daraspe, Niko Geldner
In a striking case of evolutionary convergence, polarized cell layers with ring-like diffusion barriers have evolved in both plant and animal lineages independently. In plants, ring-like Casparian strips become localized by the CASPARIAN STRIP MEMBRANE DOMAIN PROTEINS (CASPs). The mechanism of this striking localization, however, has remained enigmatic. Here we present a genetic screen aimed at isolating determinants of CASP localization. One of the mutants, lord of the rings 2 (lotr2)/exo70a1, displays dramatic de-localization of CASPs into randomly localized microdomains...
April 24, 2017: Nature Plants
https://www.readbyqxmd.com/read/28436942/diversity-and-ecological-adaptations-in-palaeogene-lichens
#20
Ulla Kaasalainen, Alexander R Schmidt, Jouko Rikkinen
Lichens are highly specialized symbioses between heterotrophic fungi and photoautotrophic green algae or cyanobacteria. The mycobionts of many lichens produce morphologically complex thalli to house their photobionts. Lichens play important roles in ecosystems and have been used as indicators of environmental change. Here we report the finding of 152 new fossil lichens from European Palaeogene amber, and hence increase the total number of known fossil lichens from 15 to 167. Most of the fossils represent extant lineages of the Lecanoromycetes, an almost exclusively lichen-symbiotic class of Ascomycota...
April 24, 2017: Nature Plants
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