Tag: Development

Signals determining tissue polarity are fundamental to proper organ development. Asymmetry across the entire organ  arises due to to polarity fields. Although there are numerous examples of proteins that express preferential polar localization in the cell, the mechanism that coordinates the polarity…

Complex developmental programs regulate tissue and organ formation throughout the green plant lineage, from early diverging non-vascular lineages (bryophytes) to vascular flowering (angiosperm) plants. In the model liverwort Marchantia polymorpha, epidermal patterning gives rise to surface structures…

Corem et al. demonstrate a switch in DNA methylation patterns across the tomato genome. The Plant Cell (2018). https://doi.org/10.1105/tpc.18.00167. By Shira Corem, Tzahi Arazi and Nicolas Bouché Background: Crop genomes are covered by transposons, which are DNA sequences that can jump from one…

Ma et al. investigate epigenetic aspects of heat-induced male sterility in cotton. By Yizan Ma, Ling Min and Xianlong Zhang Background:  Global warming causes extremely high temperatures in summer in some areas. Certain crops cultivated in summer cannot tolerate extreme heat stress and begin…

Park et al. demonstrate that phytochrome B preferentially inhibits its interacting transcription factors via one of two mechanisms depending on light conditions. The Plant Cell (2018). https://doi.org/10.1105/tpc.17.00913. By Eunae Park Background: Phytochrome B (phyB) is a plant photoreceptor…

Yao et al. found that OsPM1 can move the plant hormone abscisic acid into rice cells. https://doi.org/10.1105/tpc.17.00770. By Lingya Yao and Xiaochun Ge Background: Abscisic acid (ABA) is an important plant hormone that regulates plant seed dormancy and stress responses, especially drought responses.…

Yang et al. investigate the evolution of flowering time in the young species Capsella rubella. https://doi.org/10.1105/tpc.18.00124 Background: Flowering time is an important adaptive life-history trait in plants. Capsella rubella, a close relative of Arabidopsis thaliana and—in evolutionary time—a…

Source: SeedQuest Some plants like the giant sequoia trees can grow into the “Largest Living Things on Earth”. Ironically, most of a tree’s biomass is actually not alive, but is formed by persistent cell corpses that are collectively called wood. Wood development is terminated by a tightly controlled…