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Plant Cell

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https://read.qxmd.com/read/31416825/perception-of-ectomycorrhizal-signals-by-poplar-induces-root-colonization
#1
Gregory Bertoni
No abstract text is available yet for this article.
August 15, 2019: Plant Cell
https://read.qxmd.com/read/31416824/some-things-never-change-conserved-myc-family-bhlh-transcription-factors-mediate-dinor-opda-signaling-in-liverworts
#2
Philip Carella
No abstract text is available yet for this article.
August 15, 2019: Plant Cell
https://read.qxmd.com/read/31416823/the-ectomycorrhizal-fungus-laccaria-bicolor-produces-lipochitooligosaccharides-and-uses-the-common-symbiosis-pathway-to-colonize-populus-roots
#3
Kevin R Cope, Adeline Bascaules, Thomas Barrance Irving, Muthusubramanian Venkateshwaran, Junko Maeda, Kevin Garcia, Tomás Rush, Cathleen Ma, Jessy J Labbe, Sara Jawdy, Edward Steigerwald, Jonathan Setzke, Emmeline Fung, Kimberly G Schnell, Yunqian Wang, Nathaniel Schlief, Heike Bücking, Steven H Strauss, Fabienne Maillet, Patricia Jargeat, Guillaume Bécard, Virginie Puech-Pagès, Jean-Michel Ane
Mycorrhizal fungi form mutualistic associations with the roots of most land plants and provide them with mineral nutrients from the soil in exchange for fixed carbon derived from photosynthesis. The common symbiosis pathway (CSP) is a conserved molecular signaling pathway in all plants capable of associating with arbuscular mycorrhizal fungi . It is required not only for arbuscular mycorrhizal symbiosis but also for rhizobia-legume and actinorhizal symbioses. Given its role in such diverse symbiotic associations, we hypothesized that the CSP also plays a role in ectomycorrhizal associations...
August 15, 2019: Plant Cell
https://read.qxmd.com/read/31409631/polyploid-pairing-problems-how-centromere-repeat-divergence-helps-wheat-sort-it-all-out
#4
Jennifer Mach
No abstract text is available yet for this article.
August 13, 2019: Plant Cell
https://read.qxmd.com/read/31409630/brassinosteroid-insensitive2-negatively-regulates-the-stability-of-transcription-factor-ice1-in-response-to-cold-stress-in-arabidopsis
#5
Keyi Ye, Hui Li, Yanglin Ding, Yiting Shi, Chun-Peng Song, Zhizhong Gong, Shuhua Yang
Cold acclimation is a crucial strategy for plant survival at freezing temperatures. CBF (C-REPEAT BINDING FACTOR) genes are rapidly and transiently induced by low temperature and play important roles in cold acclimation. However, the mechanism underlying the attenuation of CBF expression during the later stages of the cold stress response is obscure. Here, we show that the protein kinase BIN2 (BRASSINOSTEROID-INSENSITIVE2) interacts with and phosphorylates ICE1 (INDUCER OF CBF EXPRESSION1) in Arabidopsis under prolonged cold stress, facilitating the interaction between ICE1 and HOS1 and thereby promoting ICE1 degradation...
August 13, 2019: Plant Cell
https://read.qxmd.com/read/31409629/heterogeneous-nuclear-ribonucleoprotein-h1-coordinates-with-phytochrome-and-the-u1-snrnp-complex-to-regulate-alternative-splicing-in-physcomitrella-patens
#6
Chueh-Ju Shih, Hsiang-Wen Chen, Hsin-Yu Hsieh, Yung-Hua Lai, Fang-Yi Chiu, Yu-Rong Chen, Shih-Long Tu
Plant photoreceptors tightly regulate gene expression to control photomorphogenic responses. Although gene expression is modulated by photoreceptors at various levels, the regulatory mechanism at the pre-mRNA splicing step remains unclear. Alternative splicing (AS), a widespread mechanism in eukaryotes that generates two or more mRNAs from the same pre-mRNA, is largely controlled by splicing regulators that recruit spliceosomal components to initiate pre-mRNA splicing. The red/far-red light photoreceptor phytochrome participates in light-mediated splicing regulation, but the detailed mechanism remains unclear...
August 13, 2019: Plant Cell
https://read.qxmd.com/read/31391257/avoiding-shade-to-grow-taller-but-not-always-stronger-phytochrome-jasmonic-acid-interplay
#7
Anne C Rea
No abstract text is available yet for this article.
August 7, 2019: Plant Cell
https://read.qxmd.com/read/31391256/jasmonate-related-myc-transcription-factors-are-functionally-conserved-in-marchantia-polymorpha
#8
Maria Peñuelas, Isabel Monte, Fabian Schweizer, Armelle Vallat, Philippe Reymond, Gloria García-Casado, Jose M Franco-Zorrilla, Roberto Solano
Jasmonoyl-isoleucine regulates plant immunity, growth and development in vascular plants by activating genome-wide transcriptional reprogramming. In Arabidopsis, this is largely orchestrated by MYC2 and related transcription factors (TFs). However, the TFs activating this pathway in basal plant lineages are currently unknown. We report the functional conservation of MYC-related TFs between the eudicot Arabidopsis thaliana and the liverwort Marchantia polymorpha, which belongs to an early diverging land-plant lineage...
August 7, 2019: Plant Cell
https://read.qxmd.com/read/31363039/posttranslational-modification-of-the-nadp-malic-enzyme-involved-in-c4-photosynthesis-fine-tunes-the-enzymatic-activity-during-the-day
#9
Anastasiia Bovdilova, Bruno M Alexandre, Astrid Höppner, Inês Matias Luís, Clarisa E Alvarez, David Bickel, Holger Gohlke, Christina Decker, Luitgard Nagel-Steger, Saleh Alseekh, Alisdair R Fernie, Maria F Drincovich, Isabel A Abreu, Veronica G Maurino
Evolution of the C4 photosynthetic pathway involved in some cases recruitment of housekeeping proteins through gene duplication and their further neofunctionalization. NADP-malic enzyme (ME), the most widespread C4 decarboxylase, has increased its catalytic efficiency and acquired regulatory properties that allowed it to participate in the C4 pathway. Here, we show that regulation of maize C4-NADP-ME activity is much more elaborated than until now indicated. Using mass spectrometry, we identified phosphorylation of the serine 419 (S419) of C4-NADP-ME in protein extracts of maize leaves...
July 30, 2019: Plant Cell
https://read.qxmd.com/read/31363038/stomatal-aperture-and-turnover-of-aba-receptors-are-regulated-by-arabidopsis-alix
#10
Marta García-León, Laura Cuyas, Diaa Abd El-Moneim, Lesia Rodriguez, Borja Belda-Palazon, Eva Sánchez-Quant, Yolanda Fernández, Brice Roux, Angel Maria Zamarreño, Jose Maria Garcia-Mina, Laurent Nussaume, Pedro L Rodriguez, Javier Paz-Ares, Nathalie Leonhardt, Vicente Rubio
The plant endosomal trafficking pathway controls abundance of membrane-associated soluble proteins, as shown for abscisic acid (ABA) receptors (PYR/PYL/RCAR). ABA receptor targeting for vacuolar degradation occurs through the late endosome route and depends on FYVE1 and VPS23A, components of endosomal sorting complex required for transport (ESCRT)-I complexes. FYVE1 and VPS23A interact with ALIX, an ESCRT-III-associated protein, although the functional relevance of such interactions and their consequences in cargo sorting are unknown...
July 30, 2019: Plant Cell
https://read.qxmd.com/read/31358650/transcriptional-profiling-reveals-a-time-of-day-specific-role-of-reveille-4-8-in-regulating-the-first-wave-of-heat-shock-induced-gene-expression-in-arabidopsis
#11
Bingjie Li, Zhihua Gao, Xinye Liu, Da-Ye Sun, Wenqiang Tang
Although much is known about plant responses to heat shock (HS), how plants sense high temperature and the primary HS signal transduction pathway leading to HS-regulated gene expression are still poorly understood. To identify primary transcription factors that mediate HS-regulated gene expression and their target genes, RNA-seq was performed to detect genes whose expression is rapidly altered by HS in Arabidopsis thaliana. The results showed several genes were induced after only 5 min of HS treatment, suggesting that HS signaling occurs very rapidly...
July 29, 2019: Plant Cell
https://read.qxmd.com/read/31358649/correction-phosphorylation-dependent-regulation-of-g-protein-cycle-during-nodule-formation-in-soybean
#12
Sona Pandey, Swarup Roy Choudhury
No abstract text is available yet for this article.
July 29, 2019: Plant Cell
https://read.qxmd.com/read/31358648/die-another-way-an-eds1-sag101-complex-mediates-tnl-immunity-in-solanaceous-plants
#13
Philip Carella
No abstract text is available yet for this article.
July 29, 2019: Plant Cell
https://read.qxmd.com/read/31358647/correction-the-arabidopsis-putative-g-protein-coupled-receptor-gcr1-interacts-with-the-g-protein-%C3%AE-subunit-gpa1-and-regulates-abscisic-acid-signaling
#14
Sona Pandey, Sarah M Assmann
No abstract text is available yet for this article.
July 29, 2019: Plant Cell
https://read.qxmd.com/read/31332101/correction-a-single-nucleotide-polymorphism-in-the-promoter-of-a-hairpin-rna-contributes-to-alternaria-alternata-leaf-spot-resistance-in-apple-malus-%C3%A3-domestica
#15
Qiulei Zhang, Chao Ma, Yi Zhang, Zhaoyu Gu, Wei Li, Xuwei Duan, Shengnan Wang, Li Hao, Yuanhua Wang, Shengyuan Wang, Tianzhong Li
No abstract text is available yet for this article.
July 22, 2019: Plant Cell
https://read.qxmd.com/read/31320483/a-photosynthesis-specific-rubredoxin-like-protein-is-required-for-efficient-association-of-the-d1-and-d2-proteins-during-the-initial-steps-of-photosystem-ii-assembly
#16
Eva Kiss, Jana Knoppova, Guillem Pascual Aznar, Jan Pilny, Jianfeng Yu, Petr Halada, Peter J Nixon, Roman Sobotka, Josef Komenda
Oxygenic photosynthesis relies on accessory factors to promote the assembly and maintenance of the photosynthetic apparatus in the thylakoid membranes. The highly conserved membrane-bound rubredoxin-like protein, RubA, has previously been implicated in the accumulation of both photosystem I (PSI) and photosystem II (PSII) but its mode of action remains unclear. Here we show that RubA in the cyanobacterium Synechocystis sp. PCC 6803 is required for photoautotrophic growth in fluctuating light and acts early in PSII biogenesis by promoting the formation of the heterodimeric D1/D2 reaction center complex, the site of primary photochemistry...
July 18, 2019: Plant Cell
https://read.qxmd.com/read/31320482/the-f-box-protein-sagl1-and-eceriferum3-regulate-cuticular-wax-biosynthesis-in-response-to-changes-in-humidity-in-arabidopsis
#17
Hyojin Kim, Si-In Yu, Seh Hui Jung, Byeong-Ha Lee, Mi Chung Suh
Cuticular waxes that cover the above-ground parts of land plants are essential for their survival in terrestrial environment. However, little is known about the regulatory mechanisms underlying cuticular wax biosynthesis in response to changes in ambient humidity. Here, we report that SMALL AND GLOSSY LEAVES 1 (SAGL1) Kelch repeat F-box protein mediates proteasome-dependent degradation of ECERIFERUM3 (CER3), a biosynthetic enzyme that is involved in the production of very long chain alkanes, which are the major wax components and thereby negatively regulates cuticular wax biosynthesis in Arabidopsis...
July 18, 2019: Plant Cell
https://read.qxmd.com/read/31320481/leunig_homolog-mediates-myc2-dependent-transcriptional-activation-in-cooperation-with-the-coactivators-hac1-and-med25
#18
Yanrong You, Qingzhe Zhai, Chunpeng An, Chuanyou Li
Groucho/Thymidine uptake 1 (Gro/Tup1) family proteins are evolutionarily conserved transcriptional coregulators in eukaryotic cells. Despite their prominent function in transcriptional repression, little is known about their role in transcriptional activation and the underlying mechanism. Here, we report that the plant Gro/Tup1 family protein LEUNIG_HOMOLOG (LUH) activates MYC2-directed transcription of JAZ2 and LOX2 via the Mediator complex coactivator and the histone acetyltransferase HAC1. We show that the Mediator subunit MED25 physically recruits LUH to MYC2 target promoters, which then links MYC2 with HAC1-dependent histone H3K9 acetylation to activate JAZ2 and LOX2...
July 18, 2019: Plant Cell
https://read.qxmd.com/read/31311836/centromere-satellite-repeats-have-undergone-rapid-changes-in-polyploid-wheat-subgenomes
#19
Handong Su, Yalin Liu, Chang Liu, Qinghua Shi, Yuhong Huang, Fangpu Han
Centromeres mediate the pairing of homologous chromosomes during meiosis; this pairing is particularly challenging for polyploid plants such as hexaploid wheat (Triticum aestivum), as their meiotic machinery must differentiate homologs from similar homoeologs. However, the sequence compositions (especially functional centromeric satellites) and evolutionary history of wheat centromeres are largely unknown. Here, we mapped T. aestivum centromeres by chromatin immunoprecipitation sequencing using antibodies to the centromeric-specific histone CENH3; this identified two types of functional centromeric satellites that are abundant in two of the three subgenomes...
July 16, 2019: Plant Cell
https://read.qxmd.com/read/31311835/sebastian-bednarek
#20
Christian Danve Marco Castroverde
No abstract text is available yet for this article.
July 16, 2019: Plant Cell
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