Entries by Plant Cell

Maternal nitric oxide is key to female gametophyte development and plant fertility

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Wang et al. investigate how disruption of maternal nitric oxide affects female gametophyte development and fertility under both optimal and stress conditions. By Junzhe Wang1,3, Xiaolong Guo1, Shengbao Xu1 and Elizabeth Vierling2 1State Key Laboratory for Crop Stress Resistance and High-Efficiency Production, College of Agronomy, Northwest A&F University, Yangling, Shaanxi 712100, China. 2Department of Biochemistry […]

When posttranslational modifications meet splicing to regulate stress responses

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Agrofoglio et al. explore how the methylation of arginine residues on a key splicing factor affects alternative splicing. Julieta Mateos, María José Iglesias, Yamila Agrofoglio. IFIBYNE-UBA-CONICET https://doi.org/10.1093/plcell/koae051 Background: Plants are constantly subjected to a variety of environmental fluctuations, ranging from alterations in ambient temperature to infection by pathogens. In response to these stresses, plant cells […]

The Role of ECT8 in Decoding Salt Stress Resistance in Plants

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Zhihe Cai (Synthetic and Functional Biomolecules Center, Beijing National Laboratory for Molecular Sciences, Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China) https://doi.org/10.1093/plcell/koae149 Background: We’ve been studying a protein named ECT8 in a common plant called Arabidopsis. This protein can spot […]

Ethylene antagonizes gibberellin signaling to accelerate petal senescence

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Lu, Zhang et al. investigate the mechanisms of phytohormone cross-talk underlying rose petal senescence By Jingyun Lu, Guifang Zhang, Yunhe Jiang, and Junping Gao China Agricultural University https://doi.org/10.1093/plcell/koae035  Background: Rose (Rosa hybrida) is the queen of flowers, cultivated worldwide for its great economic, symbolic, and cultural importance. Petal senescence is vital for ensuring optimal offspring […]

A chromatin remodeler and a histone chaperone help repair DNA

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Fan et al. investigate the proteins involved in DNA base excision repair https://doi.org/10.1093/plcell/koae052 By Tianyi Fan and Yan Zhu Background: DNA bases are susceptible to damage from environmental factors such as UV light or reactive oxygen species. Base excision repair (BER) can eliminate modified or damaged DNA bases. However, chromatin structures pose natural obstacles to […]

Linker histone H1 drives heterochromatin condensation

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He et al. explore how histone H1 drives the formation of heterochromatin foci. https://doi.org/10.1093/plcell/koae034 Xiaoqi Feng, Institute of Science and Technology Austria Background: To fit into the nucleus, DNA is densely packaged into structures known as nucleosomes. These nucleosomes consist of core histone proteins around which DNA is wrapped, along with linker histone protein H1, […]

OsLESV cooperates with FLO6 to modulate starch biosynthesis and endosperm development

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OsLESV cooperates with FLO6 to modulate starch biosynthesis and endosperm development Yan, Zhang, Wang et al. identify OsLESV–FLO6 as a non-enzymatic molecular module responsible for starch biosynthesis and endosperm development. https://doi.org/10.1093/plcell/koae006 By Haigang Yan, Wenwei Zhang and Jianmin Wan State Key Laboratory of Crop Genetics & Germplasm Enhancement and Utilization, Nanjing Agricultural University, Nanjing 210095, […]

Putting it together: CEPA1 functions as a Photosystem I assembly factor

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Background: Photosystem I (PSI) is a large pigment-protein complex that participates in photosynthetic electron transfer. While its structure is well resolved, its assembly pathway is less clear.  A set of proteins mediating the step-wise assembly of PSI subunits, known as PSI assembly factors, has been previously characterized, but many key players are likely still missing.  […]

Regulation of leaflet number in compound leaves

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He et al. investigate the molecular mechanisms of compound leaf formation in Medicago truncatula By Liangliang He and Jianghua Chen https://doi.org/10.1093/plcell/koae033 Background: In the plant kingdom, leaves have different shapes, with the most noticeable difference being between simple and compound leaves. Simple leaves have a single blade, while compound leaves are made up of multiple […]