147 papers
Plant biology explores the intricate lives of the green world, from the microscopic machinery inside a leaf to how entire forests adapt to a changing climate. This field investigates everything from how roots drink water to the complex chemical signals plants use to communicate, offering vital insights into food security and environmental resilience.
On Gist.Science, we make these discoveries accessible by processing every new preprint in this category directly from bioRxiv. For each study, we provide both a plain-language overview for curious minds and a detailed technical summary for researchers, ensuring that the latest findings in plant science are clear and actionable. Below are the most recent papers in plant biology, freshly summarized for you to explore.
This study reveals that the histone deacetylase HDA19 confers plant salt stress tolerance by deacetylating histone H3.3 at lysines 27 and 36, a mechanism that regulates the accumulation of stress-responsive LEA proteins.
This study reveals that structural rearrangements and coding variations in wheat phytochromes A and C drive genotype-by-environment interactions that regulate flowering time and shade avoidance responses under canopy-like light conditions.
This study identifies homoeo-alleles of the wheat gene GNI2 that, when combined with GNI1, significantly boost grain yields by enhancing carbon allocation to reproductive parts, offering a sustainable genetic strategy to improve productivity across both high- and low-input farming environments.
This study analyzes the pan-genome and transcriptome of eight maize inbred lines to reveal that gene expression levels and purifying selection, rather than gene size, are the primary determinants of gene dispensability, while identifying Helitron-mediated capture as a key formation mechanism and demonstrating that dispensable genes can perform basal biological functions despite their variable presence.
This study demonstrates that the divergence in mating systems between two *Erysimum* species drives nearly complete reproductive isolation primarily through coordinated pre-pollination barriers, particularly pollinator-mediated selection on floral traits, while post-pollination barriers remain weak and asymmetric.
This study identifies the FERONIA receptor kinase and its co-receptor LLG1 as essential upstream regulators that mediate high humidity-induced petiole-localized calcium signaling and leaf hyponasty in Arabidopsis, thereby controlling the expression of key downstream genes involved in the plant's adaptive response.
This study utilizes genome-wide and transcriptomic analyses to characterize the evolutionary expansion and functional diversification of the NLR gene family in cork oak (*Quercus suber*), revealing that these immune receptors, particularly RNLs, play specialized roles in tissue-specific expression and the integration of biotic and abiotic stress responses.
This study introduces the engineered *Rhizobium rhizogenes* strain AS109 as a versatile tool for efficient transient expression across diverse dicot crops, successfully establishing a rapid functional genomics platform in faba bean for assays such as gene silencing and cross-family disease-resistance gene evaluation.
Daily heat stress in *Arabidopsis thaliana* triggers a protective acclimatory response where the downregulation of the Cyt *b*6*f* complex restricts electron flow to PSI, preventing its over-reduction despite the accumulation of non-functional PSII-LHCII supercomplexes and reduced carbon assimilation.
This study demonstrates that constitutive overexpression of the native poplar gene PtaHDG11 significantly enhances drought tolerance through improved physiological and antioxidant responses while simultaneously suppressing trichome formation, highlighting its potential for developing drought-resilient forest trees.