An E3 ubiquitin ligase modulates brassinosteroid signaling by targeting the transcription factor BES1 to selective autophagy under sucrose starvation
The Plant Cell: In a NutshellWang et al. identify a mechanism by which plants reduce growth under sucrose starvation conditions. Plant Cell. https://doi.org/10.1093/plcell/koab210
by Ping Wang and Yanhai Yin (Iowa State University)
Background: Plants fine-tune their growth and stress-response programs to adapt to the environment.…
COMPASS functions as a module of the INO80 complex
The Plant Cell: In a NutshellShang et al. explore the function of a chromatin-remodeling complex in the regulation of gene expression. Plant Cell. https://doi.org/10.1093/plcell/koab187
By Ji-Yun Shang and Xin-Jian He
Background: In eukaryotic cells, the INO80 chromatin remodeling complex uses energy derived from ATP hydrolysis…
Engineering a wheat spike
The Plant Cell: In a NutshellLi et al. investigated genes regulating wheat spike development and found that SQUAMOSA and SVP genes control the development of normal spikes. Plant Cell. https://doi.org/10.1093/plcell/koab243
By Jorge Dubcovsky, Kun Li and Juan Manuel Debernardi, University of California, Davis, CA, USA
Background:…
Ubiquitylation and grain size in rice
The Plant Cell: In a NutshellGao et al. reveal a non-proteolysis-based mechanism by which polyubiquitin modification of a histone acetyltransferase modulates grain size. https://doi.org/10.1093/plcell/koab194
Background: Rice (Oryza sativa L.) is a staple crop that feeds over half of the world’s population and boosting rice…
Under Pressure: The cell wall of sieve elements is critical for sugar transport
The Plant Cell: In a NutshellJulius, McCubbin, and Mertz, et al. explore the connection between cell wall synthesis and sugar transport.
Tyler J. McCubbin1,4, Benjamin T. Julius1, and David M. Braun1
1Divisions of Plant and Biological Sciences, Interdisciplinary Plant Group, and the Missouri Maize Center, University of Missouri,…
Stigma retracted into anther tube needs two steps
The Plant Cell: In a NutshellShang and colleagues investigated the molecular mechanisms that contributed to stigma insertion during tomato domestication and improvement.
By Lele Shang, Jianwen Song and Yuyang Zhang, Huazhong Agricultural University
Background: In flowering plants, flower morphology influences pollination.…
Shapeshifting in the amphibious plant, Callirtriche palustris
The Plant Cell: In a NutshellKoga et al. identified a mechanism that produces heterophylly in aquatic plants grown either submerged in water or in air. Plant Cell. https://doi.org/10.1093/plcell/koab192
By Hiroyuki Koga, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan.
Background: Amphibious plants,…
A "simple” plant that’s not so basic: 13 receptors perceive SL, KL, and more in moss
The Plant Cell: In a NutshellLopez-Obando et al. unravel the complex pathways for the perception of strigolactones and related compounds in the moss Physcomitrium patens.
By Ambre Guillory1, Mauricio Lopez-Obando2, Alexandre de Saint Germain3, and Sandrine Bonhomme3
1Laboratoire des Interactions Plantes Microbes Environnement…
Proteomics-based protein complex discovery in the developing rice aleurone-subaleurone
The Plant Cell: In a NutshellLee et al. use a co-fractionation mass spectrometry pipeline to predict the compositions of cytosolic protein complexes present during early rice seed development. The Plant Cell (2021) https://doi.org/10.1093/plcell/koab182
Background: Many proteins act as components of multiprotein complexes that…