Recent Posts

Autophagy regulation by HLS1-mediated acetylation

Huang et al. explore the molecular mechanism underlying the regulation of autophagy by HLS1.  https://doi.org/10.1093/plcell/koad252  By Li Huang, Xing Wen, Lian Jin, Huihui Han, and Hongwei Guo New Cornerstone Science Laboratory, Institute of Plant and Food Science, Department of Biology,…

A single phosphorylation event alters root behavior

Siao et al. demonstrate that single phosphorylation on a protein alters root behavior in Arabidopsis. https://doi.org/10.1093/plcell/koad141 By Wei Siao and Eugenia Russinova, VIB-UGent Center for Plant Systems Biology Background: Plant roots react to their environment by using hormone signaling…

The importance of being in the right place to respond to light cues

Lopez Vazquez et al explore the importance of protein sub-cellular localization by determining how a protein modulating light responses gets to the right place within the cell. Christian Fankhauser, Centre for Integrative Genomics, Faculty of Biology and Medicine, Génopode Building, University of…

Interdependence of subunits of the m6A methyltransferase complex

Lisha Shen uncovers unique functional interdependence at the post-translational level among individual components of the Arabidopsis m6A methyltransferase complex.  By Lisha Shen, Temasek Life Sciences Laboratory and Department of Biological Sciences, National University of Singapore, Singapore Background:…

How plants fine tune wax biosynthesis

Huang et al. find that a 3-KETOACYL-COA SYNTHASE negatively regulates wax biosynthesis, revealing a mechanism for fine-tuning lipid metabolism. Haodong Huang, Xianpeng Yang, Shiyou Lü and Huayan Zhao State Key Laboratory of Biocatalysis and Enzyme Engineering, School of Life Sciences, Hubei University,…

A parasitic plant pushes the boundaries of microRNA biogenesis

Hudzik et al. reveal that not all microRNAs are transcribed the same way. By Collin Hudzik1,2 and Michael J. Axtell1,2 1Department of Biology, The Pennsylvania State University, University Park, PA, 16802, USA 2Huck Institutes of the Life Sciences, The Pennsylvania State University, University…

Out of the haze of DNA–protein crosslink repair

Dvořák Tomaštíková et al. study the role of SMC5/6 complex in repair of toxic DNA protein crosslinks in Arabidopsis. The Plant Cell (2023). By Pecinka Ales and Eva Dvořák Tomaštíková Background: Cellular DNA is constantly damaged by various internal and external factors that eventually…

Runaway transcription makes plants sensitive to heat stress

Kim et al. investigate the role of a heat shock protein in thermotolerance. https://doi.org/10.1093/plcell/koac351 By Minsoo Kim and Elizabeth Vierling at UMass Amherst Background: Plants can survive heat stress by producing heat shock proteins (HSPs) that protect and rescue other proteins.…

Plastid Nucleoside Kinase 1 (PNK1) phosphorylates inosine to inosine monophosphate, involving in the feedback control of purine de novo synthesis in Arabidopsis

Chen et al. identify a nucleoside kinase that is highly conserved in plants and green algae. By Xiaoguang Chen and Claus-Peter Witte. Department of Molecular Nutrition and Biochemistry of Plants, Leibniz Universität Hannover, Herrenhäuser Str. 2, 30419 Hannover, Germany. Background: Nucleotides…