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,…