Results 71 to 80 of about 9,057 (215)

A large carnivorous mammal from the Late Cretaceous and the North American origin of marsupials

Nature Communications, 2016
The early fossil record of metatherian mammals, the group including marsupials, is limited. Here, Wilson and colleagues describe a fossil skull of the Late Cretaceous metatherianDidelphodon vorax, providing insight into the ecology of this species as ...
Gregory P. Wilson, Eric G. Ekdale, John W. Hoganson, Jonathan J. Calede, Abby Vander Linden   +4 more
doaj   +1 more source

Areas of high risk for mammalian biodiversity and nature's contributions to people under global warming

Conservation Science and Practice, EarlyView.
Climate change has reached unprecedented levels, causing frequent extreme events like droughts and fires. These changes are driving a sharp rise in extinction risk for mammals and threatening key Nature's Contributions to People (NCP) such as clean water, air quality, and climate regulation.
Marta Cimatti, Andrea Sacchi, Moreno Di Marco   +2 more
wiley   +1 more source

Designing a robust survey and monitoring program: A simulation approach to evaluate the power of various sampling designs to detect changes in possum population trends

Conservation Science and Practice, EarlyView.
Here we evaluate the strength of various spotlighting sampling designs to detect changes in ngwayir (Western ringtail possum; Pseudocheirus occidentalis) population trends using the Upper Warren region of Western Australia as a case study. We simulated ngwayir population scenarios, conducted virtual surveys of these populations, and then built distance
Natasha D. Harrison, Roy J. Teale, Adrian F. Wayne   +2 more
wiley   +1 more source

A systematic review and meta‐analysis of variation in nest predation of ground‐nesting birds

Ibis, EarlyView.
Predation and communities of predators of ground‐nesting bird nests and fledglings have been studied across multiple groups of ground‐nesting birds, such as waders, waterbirds, gamebirds and passerines, and habitats, but differences and similarities between groups are less studied.
Mari D. Klaussen, Kevin A. Wood, Alex Nicol‐Harper, Anita Diaz Isla, Emilie A. Hardouin, Richard A. Stillman   +5 more
wiley   +1 more source

The MacBrain Resource Center (MBRC) rhesus macaque postnatal brain histology datasets: Enabling new discoveries through NHP tissue and digital data Repositories

Journal of Anatomy, EarlyView.
The MacBrain Resource Center (MBRC) postnatal rhesus macaque brain histology datasets are organized into Collections that promote cost‐effective de novo research. This article provides examples from Collections 5, 6, and 7 and describes the histo‐ and immunohistochemical (IHC) processing of materials for Collection 6.
Valeria Mendoza‐Silva, Lucy Greene, Emma Burke, Cristina Canales, Julia Chocarro, Jose L. Lanciego, Khuleshwari Kurrey, Phil Barello, Aya Nusir, Nadine Kabbani, Kathleen S. Rockland, Dibyadeep Datta, Jon I. Arellano, Amy F. T. Arnsten, Yury M. Morozov, Bashir Ahmed, Zoltán Molnár, Caroline J. Zeiss, Pasko Rakic, Alvaro Duque   +19 more
wiley   +1 more source

Marsupials in the Age of Genomics

Annual Review of Genomics and Human Genetics, 2013
Marsupials are “alternative mammals” that differ from eutherians most spectacularly in their mode of reproduction and sexual differentiation. They represent a 160-million-year-old isolate from the more numerous eutherians, making them particularly valuable for comparative genome studies that enlarge and enhance our understanding of the function and ...
Graves, Jennifer, Renfree, Marilyn B
openaire   +3 more sources

From sagittal to sprawled: Clavicular co‐option and the evolution of forelimb mechanics in talpines

Journal of Anatomy, EarlyView.
Forelimb posture in Eulipotyphla divides into sagittal and sprawled groups with distinct scapular and clavicular orientations. First true rib strength scales with body mass, reflecting vertical ground reaction forces, whereas clavicular strength reflects differences in medially directed forces on the pectoral girdle, especially pronounced in highly ...
Shin‐ichi Fujiwara, Hiroaki Saito
wiley   +1 more source

Toxoplasma gondii antibodies in wild rodents and marsupials from the Atlantic Forest, state of São Paulo, Brazil

Revista Brasileira de Parasitologia Veterinária
Toxoplasma gondii is a protozoan parasite that infects a large spectrum of warm-blooded animals, including humans. Small rodents and marsupials play an important role in the epidemiology of T. gondii because they are sources of infection for domestic and
Solange Maria Gennari, Maria Halina Ogrzewalska, Herbert Sousa Soares, Danilo Gonçalves Saraiva, Adriano Pinter, Fernanda Aparecida Nieri-Bastos, Marcelo Bahia Labruna, Matias Pablo Juan Szabó, Jitender Prakash Dubey   +8 more
doaj   +1 more source

Layer‐by‐layer soft‐tissue effects on flexion–extension‐dominant passive ex vivo limb joint ROM in quadrupedal mammals: An anatomical contribution to a morphofunctional framework

Journal of Anatomy, EarlyView.
Layer‐by‐layer passive ex vivo assessment of flexion–extension‐dominant limb joint ROM across rabbit, pudu deer, chilla fox and pig revealed joint‐, tissue‐ and taxon‐specific responses to progressive tissue removal. Proximal joints often showed increasing ROM, whereas distal joints often showed non‐monotonic responses.
Paul Medina‐González, Valentina Bernal‐Fernández, Rodrigo Arancibia‐Müller, Pedro Aburto‐Valdebenito, Marcelo Gómez‐Jaramillo   +4 more
wiley   +1 more source

The Keystone‐Pathogen Hypothesis Updated: The Role of Porphyromonas gingivalis in Periodontitis

Journal of Periodontal Research, EarlyView.
Porphyromonas gingivalis orchestrates a coordinated manipulation of immune and inflammatory responses in periodontal tissues which leads to the generation of a dysbiotic, subgingival biofilm community, and progression of periodontitis. The type 9 secretion system, lipid A modification, and the formation of outer membrane vesicles are important ...
Mike A. Curtis, James A. Garnett, Richard P. Darveau   +2 more
wiley   +1 more source