A handshake between auxin and gibberellin in the cambium
The Plant Cell: In a NutshellHu et al. demonstrate how the interactions of gibberellin and auxin signaling components regulate cambial activity during wood formation in poplar.
By Jian Hu, Changzheng Xu, and Keming Luo
Background: In trees, the vascular cambium is the population of stem cells that laterally divide and as…
FERONIA holds the key to a better understanding of the molecular interplay in diverse biological processes
The Plant Cell: In a NutshellHongqing Guo, Department of Genetics, Development and Cell Biology, Iowa State University
Wang and colleagues explore the transcriptome, proteome, and phosphoproteome in wild-type and fer mutant plants to dissect known and new functions of the receptor kinase FER.
Background: FERONIA (FER) is a…
Chloroplast in Translation: How the tomato RNA-binding protein SlRBP1 regulates translation of nuclear transcripts that encode chloroplast proteins
The Plant Cell: In a NutshellMa et al. reveal the role of a key tomato RNA-binding protein in translating the nuclear transcripts that encode chloroplast proteins via its association with a eukaryotic translation initiation factor
Background: The nuclear genome encodes most of the proteins that are found in chloroplasts; these…
A new player in eudicot primary cell walls: β-Galactoglucomannan is similar to xyloglucan
The Plant Cell: In a NutshellYu et al. find a hemicellulose that has similar function, structure, and biosynthesis to the well-studied hemicellulose xyloglucan
Authors: Li Yu, Yoshihisa Yoshimi, Paul Dupree. Department of Biochemistry, University of Cambridge, UK.
Background: Plant primary cell walls need to be rigid enough…
Genetic reprogramming during immune activation: Decompressing the genetic information encoded in alternative transcription start sites
The Plant Cell: In a NutshellThieffry, López-Márquez, et al. explore the use of alternative transcriptional start sites during immune responses. https://doi.org/10.1093/plcell/koac108
Background:
Upon sensing an attempted infection, plants change from growth to defense by reshaping gene activity. However, there is not always…
Regulation of SK11/12 transcription guides carbon flow in seeds
The Plant Cell: In a NutshellBy Chengxiang Li and Hao Yu
National University of Singapore
Background: Maternal carbon source supports seed development and is eventually transformed into seed reserves, such as storage oil in the filial embryo and protective compounds in the maternal seed coat. During seed development of Arabidopsis…
AHA2 is involved in ABA-induced stomatal closure
The Plant Cell: In a NutshellAuthor et al. explore the role of plasma membrane H +-ATPases in ABA-induced stomatal closure.
https://doi.org/10.1093/plcell/koac106
By Zhizhong Gong1, 2 and Dan Pei1
1State Key Laboratory of Plant Physiology and Biochemistry, College of Biological Sciences, China Agricultural University, Beijing,…
Sweet revenge: a fungal oligosaccharide takes on plant defense responses
The Plant Cell: In a NutshellChandrasekar, Wanke, Wawra and co-workers discover how fungal cell surface polysaccharides assist in evading hostile plant immune responses.
https://doi.org/10.1093/plcell/koac114
By Alan Wanke1 and Pia Saake2 Alga Zuccaro2
1 Sainsbury Laboratory, University of Cambridge, Cambridge, United…
OUT OF THE BLUE and into the leaf veins
The Plant Cell: In a NutshellGrunwald et al. explore how blue light regulates leaf water balance https://doi.org/10.1093/plcell/koac089
By Y. Grunwald, S. Gosa, T. Torne Srivastava, M. Moshelion and N. Moran.
The Robert H. Smith Institute of Plant Sciences and Genetics in Agriculture, The Robert H. Smith Faculty of Agriculture,…