165 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 diversification of the EXO70 subfamily in streptophytes, which originated during early plant terrestrialization, drove an evolutionary shift where EXO70 increasingly replaced SEC3 as the primary membrane-targeting component of the exocyst complex, thereby enabling specialized secretion pathways essential for land plant adaptation.
This study presents the genome sequence of *Tacca chantrieri* to elucidate the genetic basis of its unique black floral pigmentation, identifying a specific dihydroflavonol 4-reductase (DFR) variant with a threonine residue at a critical substrate preference position as a key factor in this trait.
By integrating extensive population-level genetic sampling with phenotypic analysis, this study successfully resolves the taxonomic complexity of the *Heuchera americana* syngameon, identifying five species and three varieties despite significant hybridization and gene tree conflict.
This study utilizes longitudinal hyperspectral imaging and genome-wide association studies to characterize the genetic architecture and time-specific quantitative trait loci (QTLs) governing spectral phenotypes, growth, and environmental responses in nearly 200 field-grown lettuce varieties.
This study clarifies that 2'-deoxymugineic acid (DMA) secretion is a general, induced response to zinc deficiency across diverse rice genotypes, reconciling previous literature inconsistencies while indicating that this mechanism alone is insufficient for zinc tolerance without additional adaptive strategies.
This study demonstrates that while assisted gene flow in the annual plant *Erythranthe laciniata* showed no immediate fitness advantage in the F1 generation, it conferred significant long-term benefits in the F2 generation at the species' cold range edge, suggesting that multi-generational assessments are crucial for evaluating the potential of gene flow to rescue peripheral populations under climate change.
Plant-associated *Sphingomonas* bacteria resolve the evolutionary conflict between motility and immune evasion by utilizing two independently acquired flagellin genes, where a non-immunogenic variant (FliC-L) drives swimming and an immunogenic variant (FliC-H) facilitates colonization, thereby allowing the plant immune system to detect and restrict bacterial entry into internal tissues.
This study identifies TGERa as the functional Pep-13 receptor in potato, demonstrating its allelic relationship with PERU, its specific role in triggering immunity compared to the non-functional homolog TGERb, and its potential for enhancing resistance against *Phytophthora infestans* through improved expression or heterologous introduction.
This study leverages multi-model association analyses on 297 A.E. Watkins wheat landraces to identify 87 stripe rust resistance QTLs, including 14 robust loci and several novel regions, thereby uncovering a valuable reservoir of diverse and durable resistance alleles for wheat pre-breeding.
This study demonstrates that the ribosome processing factor RPF2 interacts with RPL10A to regulate distinct sets of protein translation, thereby independently modulating plant growth, disease resistance, and drought tolerance through specific mechanisms involving gibberellic acid levels and stomatal regulation.