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By improving ribosome footprinting, Zhou et al. show that HEM1 utilizes a plant-specific condensation domain to control immune gene translation, which is essential in preventing immunopathology-associated tissue damage.
On the basis of 38,994 records of giant trees belonging to 237 species across Japan, this study shows that macroecological processes such as climate may drive spiritual ecosystem services obtained from giant trees.
This description of the Sphagnum (peat moss) genome includes a newly discovered sex chromosome. Interactions among sex, autosomes and environment show direct effects on Sphagnum growth which influences global carbon sequestration.
The authors show that photoperiod controls seed size in multiple plant species. CONSTANS, the central regulator of photoperiod, directly represses the transcription of AP2, thereby controlling seed size in both Arabidopsis and soybean.
LEAFY is a master transcription factor that regulates flower development through interaction with other proteins such as the F-box UFO. This study shows that UFO unexpectedly acts as a transcriptional cofactor that drives LEAFY to new genomic locations.
A 5,400-year record of climate and olive tree dynamics from the Mediterranean illuminates the detrimental consequences on olive agriculture that ongoing temperature increases will have during the twenty-first century.
In land plants, the Ia and IIIb basic helix–loop–helix (Ia-IIIb bHLH) module regulates stomatal development. This study shows that a Ia-IIIb bHLH heterodimer, MpSETA-MpICE2, regulates seta formation in Marchantia and suggests a common mechanism underlying stomata and setae formation.
Ali and Shin et al. have characterized the cellular dynamics of coenocytic endosperm development in Arabidopsis thaliana. They demonstrate the role of actin filaments in controlling the final seed size.
Crops with broad-spectrum resistance to multiple diseases are highly desirable in agricultural production. This study reports a natural gene variant that produces a proteasome maturation factor and improves rice resistance to four notorious pathogens.
Mitochondria and plastids are usually inherited maternally. Using genetic screens in tobacco, this study shows that low temperatures and knockout of the organellar exonuclease DPD1 lead to paternal transmission of plastids at high frequencies.
A comprehensive proteomics-based interactome map of adaptor protein complexes in Arabidopsis identifies P34 as a key regulator of the stability of clathrin-associated adaptors and their related trafficking routes.
The lack of haploid male fertility is a bottleneck to improve the efficiency in doubled haploid technology for accelerating crop breeding. This study shows that mutations in the parallel spindle genes are sufficient to restore haploid male fertility in Arabidopsis.
This study revealed a regulatory system in which transcription factor and histone acetylation functions are coordinated for maintaining normal stem vascular cambium development for wood formation in Populus trichocarpa.
This study reported the structures of plant DNA demethylase ROS1 in complexes with substrate DNA, which revealed insights into the molecular basis of the plant-specific ROS1-mediated DNA demethylation.
Expression of Medicago truncatula symbiosis-specific nodule-specific cysteine-rich (NCR) genes in soybean—which lacks NCR—is induced by conserved transcription factors in the symbiotic nodule cells and provokes features of terminal differentiation of endosymbiotic Rhizobium bacteroids.
Jasmonic acid (JA) is involved in defence against herbivores. Once the plant is attacked, the memory of aggression can linger for weeks, including in newly formed leaves. The authors investigate what the induced changes in the transcriptome and methylome are, and uncouple short- and long-term effects of JA.