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Ecological and demographic drivers of kin-directed cooperation in a social bird: Insights from a long-term study.
J Anim Ecol
January 2025
Ecology & Evolutionary Biology, School of Biosciences, University of Sheffield, Sheffield, UK.
The evolution of sociality is one of the major evolutionary transitions in the history of life and a key step in this transition is the occurrence of kin associations. Yet, the question of what demographic processes and environmental factors generate kin-structured populations and drive kin-directed cooperation remains open. In this review, we synthesise 30 years of studies of the long-tailed tit Aegithalos caudatus, which has a kin-selected cooperative breeding system with redirected help: failed breeders may help to raise offspring of conspecifics, typically relatives, breeding nearby.
View Article and Find Full Text PDFCancer phylogenetic inference using copy number alterations detected from DNA sequencing data.
Cancer Pathog Ther
January 2025
School of Biosciences and Medicine, University of Surrey, Guildford GU2 7XH, UK.
Cancer is an evolutionary process involving the accumulation of diverse somatic mutations and clonal evolution over time. Phylogenetic inference from samples obtained from an individual patient offers a powerful approach to unraveling the intricate evolutionary history of cancer and provides insights that can inform cancer treatment. Somatic copy number alterations (CNAs) are important in cancer evolution and are often used as markers, alone or with other somatic mutations, for phylogenetic inferences, particularly in low-coverage DNA sequencing data.
View Article and Find Full Text PDFTaxonomic history, morphology, evolution, gene pool and stress tolerances of azuki bean and its related wild genetic resources.
Breed Sci
September 2024
Research Center of Genetic Resources, National Agriculture and Food Research Organization, 2-1-2 Kannondai, Tsukuba, Ibaraki 305-8602, Japan.
This review compiles information on the morphology, historical taxonomic treatments, species origin, gene pool concept, geographical and ecological habitats, and stress tolerance of the azuki bean () and related species. Willdenow (1802) first described the azuki bean in the genus , and Ohwi and Ohashi (1969) finally transferred it to the genus . The genus is currently divided into five subgenera: , , , , and .
View Article and Find Full Text PDFFrom barcodes to genomes: a new era of molecular exploration in bryophyte research.
Front Plant Sci
January 2025
Department of Botany, University of Delhi, Delhi, India.
Bryophytes represent a diverse and species-rich group of plants, characterized by a remarkable array of morphological variations. Due to their significant ecological and economic roles worldwide, accurate identification of bryophyte taxa is crucial. However, the variability in morphological traits often complicates their proper identification and subsequent commercial utilization.
View Article and Find Full Text PDFDehydration rapidly induces expression of NCED genes from a single subclade in diverse eudicots.
Planta
January 2025
School of Natural Sciences, University of Tasmania, Private Bag 55, Hobart, TAS, 7001, Australia.
A gene within a single subclade of NCED genes is triggered in response to both, short- and long-term dehydration treatments, in three model dicot species. During dehydration, some plants can rapidly synthesise the stress hormone abscisic acid (ABA) in leaves within 20 min, triggering the closure of stomata and limiting further water loss. This response is associated with significant transcriptional upregulation of Nine-cis-Epoxycarotenoid Dioxygenase (NCED) genes, which encode the enzyme considered to be rate-limiting in ABA biosynthesis.
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