Recent Posts

Salicylic acid, senescence, and heterosis

For a number of crops agricultural yields have been boosted by the phenomenon of heterosis or hybrid vigour, where a hybrid outperforms either parent. Understanding the various mechanisms by which heterosis arises may facilitate the breeding of hybrids with increased vigour for further crop varieties…

Roles of the clock in controlling starch metabolism

Author: Masanori Izumi Affiliation: Frontier Research Institute for Interdisciplinary Sciences, Tohoku University, Sendai 980–8578, Japan Plants are photoautotrophs that grow via photosynthetic energy production. Under irradiation, chloroplasts in the plant’s green tissues convert light energy…

Sequencing Plant Transcriptomes at Single-Cell Resolution Allows Unprecedented Characterization of Genetic and Developmental Cellular Processes

Jose M Celedon 1 1 Michael Smith Laboratories, The University of British Columbia, 2185 East Mall, Vancouver, BC V6T 1Z4, Canada. Transcriptomic studies in plants usually involve anonymous survey-style methods, where whole organs or tissues are homogenized, and each cell’s contribution to transcript…

Two pathways for trafficking the borate receptor BOR1

Polar localization of plasma membrane proteins is an important way cells regulate signaling pathways, transport across membranes, and growth. Polarization has obvious cellular effects, but localization of membrane components also contributes significantly to processes such as tip growth in root hairs…

Prohibitin shuttles between mitochondria and the nucleus to control genome stability during the cell cycle

The prohibitin (PHB) protein family is highly conserved from prokaryotes to eukaryotes (Van Aken et al., 2010). Initially identified as a tumor suppressor in rat liver, PHBs in animals are localized in various cell compartments, including mitochondria, nuclei, and plasma membranes, and function as scaffold…

Of storage and stems: examining the role of stem water storage in plant water balance

Robert Skelton1 1 Dept. of Integrative Biology, University of California Berkeley, Berkeley, CA, 94707. Stems of land plants provide mechanical support and long-distance transport of water and carbohydrates. Although it has long been recognized that plant stems can also store water, it remains…

Shedding Light on the Power of Light

By Tessa Moses, The Institute of Quantitative Biology, Biochemistry and Biotechnology (IQB3), The King’s Buildings, University of Edinburgh, Edinburgh EH9 3FF, United Kingdom Photosynthesis is the process in which solar energy is used to fix atmospheric carbon dioxide (CO2) to chemical energy in…

Hijacking the ER membrane – lessons from Turnip mosaic virus

By Lynn GL Richardson Positive-strand (+)RNA viruses account for the majority of plant viruses. Apart from their significant impact on worldwide agriculture, they also inform our understanding of basic virus biology (Scholthof et al., 2011). Upon entry into the cells of their host, (+)RNA viruses…

Another gun Dismantled: ABSCISIC ACID INSENSITIVE4 Is Not a Target of Retrograde Signaling

By Amna Mhamdi and Charlotte M.M. Gommers The nuclear genome encodes the majority of chloroplast-localized proteins and, in return, chloroplasts exert some control over nuclear gene expression via so-called retrograde signals. These signals derive from developing chloroplasts (referred to as biogenic…