Recent Posts

Tick tock: TIME FOR COFFEE regulates far-red light inhibited hypocotyl growth

Wang et al. explore how the circadian clock regulates phytochrome A abundance and activity to mediate far-red light inhibited hypocotyl growth. Background: To enhance plant adaptability to natural conditions, the circadian clock is synchronized and entrained by light via photoreceptors. Intriguingly,…

Cauliflower mosaic virus uses Arabidopsis RNA processing body components to its advantage

Hoffmann et al. discover how Arabidopsis RNA processing body components are co-opted by Cauliflower mosaic virus to evade translational repression. By Gesa Hoffmann and Anders Hafrén, Swedish University of Agricultural Sciences  Background: Viruses are unique in their ability to reuse and recycle…

A new link between light and brassinosteroid signaling

Cao et al. demonstrate that the photomorphogenic repressors BBX28 and BBX29 enhance brassinosteroid signaling to promote hypocotyl elongation and cotyledon closure.  By Jing Cao and Fang Lin  Background: Light signals and brassinosteroids (BRs) are external stimuli and internal cues, respectively,…

A spliceophilin helps Arabidopsis adapt to heat stress

Jo et al. uncover the role of a spliceosome component in removing retained introns in Arabidopsis in response to heat stress https://doi.org/10.1093/plcell/koac084  Background: Alternative splicing plays a key role in abiotic stress responses in plants, especially responses to heat stress. The spliceosome…

Lower oil content leads to wrinkled, immature seeds

Huang et al. elucidate the relationship between fatty acid biosynthesis and seed maturation in Arabidopsis. By Ruihua Huang and Shengchun Zhang  Background: Storage substances such as starch, protein, and oil in crop seeds are major sources of food for humans. These substances mainly accumulate…

Short-term memory of warm daytime in Arabidopsis

Murcia et al. discover how plants store information about daytime temperatures to control stem growth during the night. By Germán Murcia, Cristina Nieto, Romina Sellaro, Salomé Prat, and Jorge J. Casal Background: Plants increase their stature in response to warm temperatures by enhancing stem…

An N-terminally truncated NLR is functional

Wu et al. uncover the unexpected role of the truncated NLR NRG1C in negatively regulating plant immunity by antagonizing its full-length NRG1 neighbors. Background: Plants utilize sophisticated innate immune systems to fight against pathogens. Their genomes encode abundant immune receptors to detect…

A ubiquitinated SNARE protein functions in nutrient stress responses

Hasegawa, Reyes et al. discover a link between the ubiquitination of a key membrane trafficking regulator and carbon/nitrogen nutrient stress.  Background: Ubiquitination is a post-translational modification that functions in numerous cellular processes by serving as a molecular signal, such as protein…

A module controlling endoreduplication and cell growth in Arabidopsis

Jiang et al. discover a module controlling endoreduplication, a process in which DNA replication occurs in the absence of mitosis. Background: Organ size is coordinately regulated by both cell number and cell size. Endoreduplication is often associated with cell size in plants and animals, but the…