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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 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 PDFFlower colour contrast, 'spectral purity' and a red herring.
Plant Biol (Stuttg)
January 2025
Department of Behavioral Physiology and Sociobiology, University of Würzburg, Würzburg, Germany.
Nature offers a bewildering diversity of flower colours. Understanding the ecology and evolution of this fantastic floral diversity requires knowledge about the visual systems of their natural observers, such as insect pollinators. The key question is how flower colour and pattern can be measured and represented to characterise the signals that are relevant to pollinators.
View Article and Find Full Text PDFFishPi: a bioinformatic prediction tool to link piRNA and transposable elements.
Mob DNA
January 2025
School of Biological Sciences, University of East Anglia, Norwich Research Park, Norwich, NR4 7TJ, UK.
Background: Piwi-interacting RNAs (piRNA)s are non-coding small RNAs that post-transcriptionally affect gene expression and regulation. Through complementary seed region binding with transposable elements (TEs), piRNAs protect the genome from transposition. A tool to link piRNAs with complementary TE targets will improve our understanding of the role of piRNAs in genome maintenance and gene regulation.
View Article and Find Full Text PDFA new method for assessing the health status of aerospace equipment based on a belief rule base with balanced accuracy and complexity.
Sci Rep
January 2025
Harbin Normal University, Harbin, 150025, China.
The health status of aerospace equipment directly affects the operational capability of the entire system. Belief rule base (BRB) is an effective method for assessing health status that combines expert knowledge and historical data. However, in the actual assessment, the data provided by experts only form the basic framework of the model.
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