Results 51 to 60 of about 3,892 (125)

Genomic Insights Into Carnivorous Fish in the Characiformes

Ecology and Evolution, Volume 16, Issue 4, April 2026.
This study employed comparative genomic approaches using 12 high‐quality Characiformes genomes (covering nine subfamilies) with zebrafish as an outgroup to explore the molecular mechanisms underlying the carnivorous adaptation of Characiformes. Expanded gene families, positively selected genes, and rapidly evolving genes in carnivorous species were ...
Shihu Zhao, Xuesong Mei, Zhihao Zhang, Tian Xia, Shengyang Zhou, Yuehuan Dong, Shangbin He, Zhicheng Yao, Yuchun Li, Xiufeng Yang, Honghai Zhang   +10 more
wiley   +1 more source

Late Pleistocene carnivores (Carnivora: Mammalia) from a cave sedimentary deposit in northern Brazil

Anais da Academia Brasileira de Ciências, 2014
The Brazilian Quaternary terrestrial Carnivora are represented by the following families: Canidae, Felidae, Ursidae, Procyonidae Mephitidae and Mustelidae. Their recent evolutionary history in South America is associated with the uplift of the Panamanian
SHIRLLEY RODRIGUES, LEONARDO S. AVILLA, LEOPOLDO H. SOIBELZON, CAMILA BERNARDES   +3 more
doaj   +1 more source

The Preservation of Muscle Mitochondrial Machinery During Hypometabolic Hibernation in Scandinavian Brown Bears (Ursus arctos)

Acta Physiologica, Volume 242, Issue 4, April 2026.
ABSTRACT Aim Unlike humans, brown bears (Ursus arctos) uniquely preserve skeletal muscle mass and function during months of hibernation despite prolonged fasting and inactivity. We investigated how mitochondrial energetics respond in skeletal muscle to support this remarkable resilience.
Audrey Bergouignan, John Noone, Charlotte Brun, Laura Cussonneau, Alexandre Geffroy, Cecile Coudy‐Gandilhon, Isabelle Chery, Alina Lynn Evans, Jon Martin Arnemo, Jonas Kindberg, Guillemette Gauquelin‐Koch, Donal O'Gorman, Etienne Lefai, Fabrice Bertile   +13 more
wiley   +1 more source

MHC class II DQB diversity in the Japanese black bear, Ursus thibetanus japonicus [PDF]

, 2012
application/pdfBackground The major histocompatibility complex (MHC) genes are one of the most important genetic systems in the vertebrate immune response.
1000020222010, 20222010, 356, 357, 812, 813, 814, 815, KOIKE, Hiroko, KUROSAKI, Toshifumi, SATTA, Yoko, YASUKOCHI, Yoshiki, YONEDA, Masaaki, 颯田, 葉子   +13 more
core   +2 more sources

Hemicyonidae (Carnivora, Mammalia) del yacimiento del Mioceno Medio de Valdemoros 4A (Zaragoza, España) [PDF]

, 2015
Comunicación presentada en el XIII Encuentro en Jóvenes Investigadores en Paleontología (XIII EJIP) - XIII Meeting of Early-Stage Researchers in Paleontology (XIII EJIP): Cercedilla, 15 - 18 de Abril de 2015[EN] In the present work a molar from the ...
Abella, Juan, Hontecillas, Daniel, Montoya, Plinio, Morales, Jorge   +3 more
core   +1 more source

Fossil bears break free from inhibitory cascade constraints at least twice (Ursus minimus and Ursus deningeri) caused by dietary adaptations

Boreas, Volume 55, Issue 2, Page 503-516, April 2026.
Bears deviate from the inhibitory cascade model (ICM) during molar size evolution, with two significant deviations linked to changes in diet: Ursus minimus and Ursus deningeri. Many bears exhibit a ‘partial ICM’, highlighting the relationship between relative molar size, dietary adaptations and dental development across different species.
Anneke H. van Heteren, A. Stefanie Luft
wiley   +1 more source

New perspectives on head and neck allometry and ecomorphology in tetrapods

Biological Reviews, Volume 101, Issue 2, Page 665-694, April 2026.
ABSTRACT The skull and neck are vital parts of the body, influencing feeding ecology, habitat exploitation and locomotion. Numerous studies have therefore sought to understand how the size of these segments vary with ecology and scale with overall body size.
Alice E. Maher, Philip G. Cox, Thomas W. Maddox, James D. Gardiner, Karl T. Bates   +4 more
wiley   +1 more source

Evolutionary history of Carnivora (Mammalia, Laurasiatheria) inferred from mitochondrial genomes.

PLoS ONE, 2021
The order Carnivora, which currently includes 296 species classified into 16 families, is distributed across all continents. The phylogeny and the timing of diversification of members of the order are still a matter of debate.
Alexandre Hassanin, Géraldine Veron, Anne Ropiquet, Bettine Jansen van Vuuren, Alexis Lécu, Steven M Goodman, Jibran Haider, Trung Thanh Nguyen   +7 more
doaj   +1 more source

Phylogenomics and Biogeography of the Eastern Asian–Eastern North American Disjunct Genus Hylodesmum (Fabaceae)

Biological Diversity, Volume 3, Issue 1, Page 14-32, March 2026.
Integrating data from plastid genomes, nrDNA, and 353 low‐copy nuclear genes, this study establishes a robust phylogenetic framework for Hylodesmum. This framework supports a taxonomic revision recognizing 18 species and reveals a complex pattern of bidirectional EA–ENA dispersal, with mammals as a plausible dispersal agent. ABSTRACT Phylogenomics with
Zhuqiu Song, Gang Yao, Chen Ren, Kaiwen Jiang, Dongxian Xu, Shijin Li   +5 more
wiley   +1 more source

Comparative Trends of Sociality Among Terrestrial Carnivores: A Multivariate Analysis 陆生食肉动物社会性的比较趋势:一项多变量分析

Wildlife Letters, Volume 4, Issue 1, Page 10-22, March 2026.
In this study we analyze the role of phylogeny, environment, and community structure on sociality. Using structural equation modeling (SEM) we aim to quantify the direct and indirect impacts of variables on behaviors including social grouping, reproduction, and space use among Carnivora species.
Jessica Ward, Aileen C. Mill, Chris Carbone, Steve Rushton   +3 more
wiley   +1 more source