OsSHI1 shapes plant architecture in rice
Duan et al. explore the mechanism underlying plant architecture establishment in rice. Plant Cell https://doi.org/10.1105/tpc.19.00023
By Erchao Duan, Nanjing Agricultural University, Nanjing, China.
Background: Rice is a major crop consumed by more than half of the world’s population. The…
How Does Light Cause Arabidopsis Cotyledons to Open?
Dong et al. investigate cotyledon-specific light-regulated gene expression in Arabidopsis. The Plant Cell (2019). https://doi.org/10.1105/tpc.18.00803
By J. Dong, N. Sun, J. Yang, Z. Deng, J. Lan, G. Qin, H. He, X. W. Deng, V. F. Irish, H. Chen, and N. Wei
Background: When germinating in darkness…
To grow, or not to grow, that is the question
Xin et al., identify a mechanistic model that governs cucumber fruit elongation through fine-tuning of ethylene homeostasis. Plant Cell https://doi.org/10.1105/tpc.18.00957
By Xueyong Yang and Tongxu Xin
Background: Plant organ growth and development are determined by the subtle balance between…
Acetylation in the Assembly of Cell-Wall Architecture
Zhang et al. discover a deacetylase from rice that highlights the importance regulating acetylation in the cell wall. Plant Cell https://doi.org/10.1105/tpc.18.00894
By Baocai Zhang and Yihua Zhou, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences
Background: Plant cells…
Adaptive Loss-of-Function Mutations
Xu et al. study the effects of loss-of-function mutations in over 1000 Arabidopsis accessions. https://doi.org/10.1105/tpc.18.00321
By Yong-Chao Xu and Ya-Long Guo
Background: The gain of genes is thought to play important roles in the adaptation and diversification of plants. Loss-of-function…
How a Plant Plankton Copes with Stress
Yamaoka et al. report that the mRNA of a Chlamydomonas bZIP transcription factor is spliced by CrIRE1 under ER stress, and the resulting protein protects cells via modulating lipid remodeling. Plant Cell https://doi.org/10.1105/tpc.18.00723
By Yasuyo Yamaoka and Youngsook Lee
Background: The endoplasmic…
Peroxidases prevent tapetum swelling and pollen degeneration
Jacobowitz et al. identify two enzymes essential for anther development.
Plant Cell https://doi.org/10.1105/tpc.18.00051
By Joseph Jacobowitz, MIT/Whitehead Institute for Biomedical Research
Jing-Ke Weng, MIT/Whitehead Institute for Biomedical Research
Background: Just like all organisms,…
Side Chains Influence Pectin Properties
Šola et al. examine how galactose alters rhamnogalacturonan-I properties. Plant Cell https://doi.org/10.1105/tpc.18.000954
By Krešimir Šola and George W. Haughn
Department of Botany, University of British Columbia, Vancouver, BC, V6T 1Z4, Canada
Background: Pectin is a component of the plant…
Balancing photosystem activities: different mechanisms in plants and cyanobacteria
Calzadilla et al. investigate the mechanism underlying state transitions in cyanobacteria. Plant Cell https://doi.org/10.1105/tpc.18.00159
By Pablo I. Calzadilla and Diana Kirilovsky, Institute for Integrative Biology of the Cell, CEA, CNRS, Université Paris-Sud, Université Paris-Saclay, Gif sur…