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The insertion of the stress-responsive transposable element (TE) ONSEN into a critical flowering regulator gene confers an adaptive response to herbicide treatment in Arabidopsis thaliana natural accessions.
Ye et al. use a novel genetic haploid genome doubling method with parthenogenesis and gene editing to produce edited, maternally derived di-haploid progeny. A truncated BABY BOOM peptide confers both parthenogenesis and haploid genome doubling.
This study reports the discovery of a retrotransposon insertion in the FLC gene conferring an environmentally dependent control mechanism mediated by DNA methylation that drives the adaptation of natural Arabidopsis populations to herbicide exposure.
The sex ratio is often not even in plants, and its molecular mechanisms have been little known. The study found that an X chromosome-encoded gene, named HaMSter in persimmon, influences sex ratio distortion via seed viability through a regulatory mechanism involving random DNA methylation.
Uracil DNA glycosylase-fused TALE-linked deaminases achieve precision A-to-G base editing without bystander C-to-T editing in chloroplast DNA to create herbicide-resistant plants with a heritable homoplasmic mutation in the psbA gene.
By characterizing the dynamics of epitranscriptomes and translatomes upon Magnaporthe oryzae infection, the authors uncover that ac4C enriched in the 3rd nt of codons improves translation of mRNA to enhance rice resistance against M. oryzae.
Researchers found that a plant U1 snRNP complex associates with 200 proteins and conducts splicing-independent roles by safeguarding RNAs against premature cleavage and polyadenylation, similar to a process known as telescripting in metazoans.
Enhanced expression of chloroplast elongation factors StTuA/B increases potato disease resistance and photosynthesis, while oomycete effector Pi22926 inhibits their entry into the chloroplasts by disrupting their phosphorylation by StMAP3Kβ2.
Exotic species benefit from differing climatic niches, compensating for native species loss due to climate mismatch and driving biodiversity toward climatic equilibrium under climate change.
This study establishes an efficient method for site-specific SUMOylation proteomics, achieving a comprehensive SUMOylome comprising over 2,200 SUMOylation sites, which could serve as a useful tool and valuable resource for future research in plants.
An archetype of collaboration, community development and vision, who made fundamental contributions to biology through his studies on the often-unseen part of the plant, the root.
The UK plant science strategy establishes “Diverse People and Skills” as an important component of the future of plant science. However, ethnicity data from the UK Higher Education Statistics Authority show that UK plant science students are disproportionately white at both undergraduate and postgraduate levels. We explore possible reasons for this and offer recommendations for action.
Photoinhibition of photosystem I and differential damage of FeS clusters under high light levels are natural phenomena in angiosperms that control electron flow to molecular oxygen while maintaining optimal carbon dioxide assimilation.
RNA secondary structure is a new regulatory layer of transcript fates. Here, Li et al. find that plant RNA helicase Brr2a, acting beyond its canonical role in spliceosome, can optimize secondary structure of pri-miRNAs to promote miRNA production.
This study shows that global warming has had an overall positive effect on boreal tree species diversity over recent decades, but a negative effect in areas of extreme warming, with substantial implications for the productivity and temporal stability of boreal forest ecosystems.
A seed reactivates its genome to germinate. By creating a single-cell atlas of germinating embryos, we show that gene expression is highly dynamic and cell specific. Most cells adopt a single, common transcriptional state early in germination, and then transition to distinct gene regulatory programs that drive the functions of individual cell types.