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Cold climate-driven convergent evolution among angiosperms.
Plant Commun
January 2025
State Key Laboratory of Subtropical Silviculture, College of Forestry and Biotechnology, Zhejiang A&F University; Hangzhou 311300, China; Zhejiang International Science and Technology Cooperation Base for Plant Germplasm Resources Conservation and Utilization, Zhejiang A&F University; Hangzhou 311300, China; Provincial Key Laboratory for Non-wood Forest and Quality Control and Utilization of Its Products, Zhejiang A&F University, Hangzhou 311300, China. Electronic address:
Convergent and parallel evolution occur more frequently than previously thought. Here, we focus on the evolutionary adaptations of angiosperms to sub-zero temperatures. We begin by introducing the research history of convergent and parallel evolution, defining all independent similarities as convergent evolution.
View Article and Find Full Text PDFTranscription factors and genome biases in polyploid crops.
Adv Protein Chem Struct Biol
January 2025
National Agri-Food Biotechnology Institute, Knowledge City, Mohali, Punjab, India. Electronic address:
Nuclear protein transcription factors (TFs) regulate all biological processes in plants and are necessary for gene regulation. The transcription of genes during plant growth and development and their response to environmental cues are regulated by TF binding to specific promoter regions in the genomic DNA. Polyploid plants with several sets of chromosomes frequently display intricate genomic biases concerning TF expression.
View Article and Find Full Text PDFEmergence of fungal hybrids - Potential threat to humans.
Microb Pathog
January 2025
Cell Biology and Molecular Genetics, Yenepoya Research Centre, Yenepoya (Deemed to be University), Mangalore, 575018, India. Electronic address:
Fungal hybrids arise through the interbreeding of distinct species. This hybridization process fosters increased genetic diversity and the emergence of new traits. Mechanisms driving hybridization include the loss of heterozygosity, copy number variations, and horizontal gene transfer.
View Article and Find Full Text PDFESRP2-microRNA-122 axis promotes the postnatal onset of liver polyploidization and maturation.
Genes Dev
January 2025
Department of Biochemistry, University of Illinois, Urbana-Champaign, Urbana, Illinois 61801, USA;
Hepatocyte polyploidy and maturity are critical to acquiring specialized liver functions. Multiple intracellular and extracellular factors influence ploidy, but how they cooperate temporally to steer liver polyploidization and maturation or how post-transcriptional mechanisms integrate into these paradigms is unknown. Here, we identified an important regulatory hierarchy in which postnatal activation of epithelial splicing regulatory protein 2 (ESRP2) stimulates processing of liver-specific microRNA () to facilitate polyploidization, maturation, and functional competence of hepatocytes.
View Article and Find Full Text PDFα-Catenin force-sensitive binding and sequestration of LZTS2 leads to cytokinesis failure.
J Cell Biol
March 2025
Department of Pulmonary Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, USA.
Epithelial cells can become polyploid upon tissue injury, but mechanosensitive cues that trigger this state are poorly understood. Using an Madin Darby Canine Kidney (MDCK) cell knock-out/reconstitution system, we show that α-catenin mutants that alter force-sensitive binding to F-actin or middle (M)-domain promote cytokinesis failure and binucleation, particularly near epithelial wound-fronts. We identified Leucine Zipper Tumor Suppressor 2 (LZTS2), a factor previously implicated in abscission, as a conformation sensitive proximity partner of α-catenin.
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