Recent Posts

Protein Delivery Address Codes Are Part of the Circuitry Adjusting Tissue-Specific Plastid Proteomes

Chu et al. demonstrate that a special address code is required for efficient protein import into root plastids. Plant Cell https://doi.org/10.1105/tpc.19.00702 By Hsou-min Li, Institute of Molecular Biology, Academia Sinica, Nankang, Taipei 11529, Taiwan Background: Chloroplasts are the most famous…

Family dynamics within the seed: Identification of new cell types in maize endosperm

Doll et al. examine the structure of maize seeds and identify a distinct cell type in the endosperm next to the embryo.  https://doi.org/10.1105/tpc.19.00756 Nicolas M. Doll, Peter M. Rogowsky and Thomas Widiez Laboratoire Reproduction et Développement des Plantes, Univ Lyon, ENS de Lyon, UCB…

Regulation of Protein Synthesis under Abiotic Stress

Lokdarshi et al. demonstrate that cytosolic protein synthesis under abiotic stress is regulated by the GCN2 kinase-eIF2a module under the command of reactive oxygen species originating from chloroplasts. Plant Cell https://doi.org/10.1105/tpc.19.00751  By Ansul Lokdarshi and Albrecht von Arnim (University…

A Closer Look at the Fatty Acid Assembly Line

Nam et al. describe a general method to analyze and quantify the fatty acid biosynthetic profile of any sample with the use of an aspartate protease and LC-MS/MS. Plant Cell https://doi.org/10.1105/tpc.19.00954  By Lauren M. Jenkinsa,b, Jeong-Won Nama, and Doug K. Allena,b (aDonald Danforth Plant…

Brassinosteroids and H2O2 Regulate Guard Cell Starch Metabolism

Li et al. demonstrate that the BR and H2O2 interdependently promote guard cell starch degradation and stomatal opening in Arabidopsis. Plant Cell https://doi.org/10.1105/tpc.19.00587 By Jin-Ge Li, Min Fan, Wenbo Hua, Yanchen Tian, and Ming-Yi Bai The Key Laboratory of Plant Development and…

Breaking Water-wise Photosynthesis

Boxall et al. explore the effects of silencing phosphoenolpyruvate carboxylase in a Crassulacean acid metabolism species. Plant Cell https://doi.org/10.1105/tpc.19.00481 By Susie Boxall and James Hartwell Background: Severe droughts and high temperatures are becoming more frequent due to climate…

SUMO reins in an overactive cell cycle

Lin et al. investigate how SUMOylation of a ribosomal protein affects cell size-mediated cell cycle control in Chlamydomonas reinhardtii. Plant Cell https://doi.org/10.1105/tpc.19.00301 By Yen-Ling Lin1,2,3 and Su-Chiung Fang1,2 1Biotechnology Center in Southern Taiwan, Academia Sinica, Tainan,…

CDGK1 maintains class I meiotic recombination precursors

Nibau et al. explore the role of a cyclin-dependent kinase in meiosis. Plant Cell https://doi.org/10.1105/tpc.19.00942 By Candida Nibau, Andrew Lloyd, Dylan Phillips and John Doonan IBERS, Aberystwyth University, UK   Background: Cyclin-dependent kinases are involved in many cellular…

Viral proteins activate autophagy

Ismayil et al. identify a virus that activates autophagy and reveal the underlying mechanism.   Plant Cell https://doi.org/10.1105/tpc.19.00759 By Asigul Ismayil, MOE Key Laboratory of Bioinformatics, Center for Plant Biology, Tsinghua-Peking Joint Center for Life Sciences, School of Life Sciences,…