Most bat species breed communally, but how their colonies are founded is a mystery. A recent study suggests that the formation of a new colony starts with related females splitting off from an existing colony.
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http://dx.doi.org/10.1016/j.cub.2008.07.038 | DOI Listing |
J Anthropol Sci
December 2024
Dipartimento di Biologia Ambientale, Sapienza Università di Roma, Italy,
Founded in 1894, the Museum "G. Sergi" houses a variety of osteological materials and other collections, including several plaster facial casts from different human populations. This paper investigates this collection, which has been acquired (at least in part) in the framework of Italian colonialism, focusing on expeditions respectively led by Lidio Cipriani and Corrado Gini during the fascist regime.
View Article and Find Full Text PDFR Soc Open Sci
December 2024
Laboratory for Population Ecology, Severtsov Institute of Ecology and Evolution, Russian Academy of Sciences, 33 Leninskii Pr., Moscow, Russia.
Individuals colonizing new areas during range expansion encounter challenging and unfamiliar environments, suggesting that colonists should differ in behavioural traits from residents of source populations. The colonizer syndrome is supposed to be associated with boldness, exploration, activity and low sociability. We assessed spatial and temporal variation of the colonizer syndrome in an expanding population of midday gerbils ().
View Article and Find Full Text PDFMol Neurodegener
December 2024
Xiamen Key Laboratory of Brain Center, The First Affiliated Hospital of Xiamen University, and Fujian Provincial Key Laboratory of Neurodegenerative Disease and Aging Research, Institute of Neuroscience, School of Medicine, Xiamen University, Xiamen, Fujian, 361102, China.
Background: The CD2-associated protein (CD2AP) was initially identified in peripheral immune cells and regulates cytoskeleton and protein trafficking. Single nucleotide polymorphisms (SNPs) in the CD2AP gene have been associated with Alzheimer's disease (AD). However, the functional role of CD2AP, especially its role in microglia during AD onset, remains elusive.
View Article and Find Full Text PDFJ Evol Biol
December 2024
Department of Genetics, University of Georgia, Athens, GA, USA.
Characterizing molecular underpinnings of plastic traits and balanced polymorphisms represent two important goals of evolutionary biology. Fire ant gynes (pre-reproductive queens) provide an ideal system to study potential links between these phenomena because they exhibit both supergene-mediated polymorphism and nutritional plasticity in weight and colony-founding behavior. Gynes with the inversion supergene haplotype are lightweight and depend on existing workers to initiate reproduction.
View Article and Find Full Text PDFJ Fungi (Basel)
November 2024
Xi'an Key Laboratory of Characteristic Fruit Storage and Preservation, Shaanxi Engineering Laboratory of Food Green Processing and Safety Control, College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi'an 710119, China.
Black spot, one of the major diseases of kiwifruit, is caused by . A comprehensive investigation into its pathogenicity mechanism is imperative in order to propose a targeted and effective control strategy. The effect of L-arginine on the pathogenicity of and the underlying mechanisms were investigated.
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