Results 71 to 80 of about 3,687 (208)

Phylogeny and adaptive evolution of the brain-development gene microcephalin (MCPH1) in cetaceans. [PDF]

open access: yes, 2011
BACKGROUND: Representatives of Cetacea have the greatest absolute brain size among animals, and the largest relative brain size aside from humans. Despite this, genes implicated in the evolution of large brain size in primates have yet to be surveyed in ...
Clark, Clay   +3 more
core   +6 more sources

Genomic analysis reveals hidden biodiversity within colugos, the sister group to primates [PDF]

open access: yes, 2016
Colugos are among the most poorly studied mammals despite their centrality to resolving supraordinal primate relationships. Two described species of these gliding mammals are the sole living members of the order Dermoptera, distributed throughout ...
Churakov, Gennady   +13 more
core   +2 more sources

Pathogenesis of Hepatitis C Virus Infection inTupaia belangeri [PDF]

open access: yesJournal of Virology, 2010
ABSTRACTThe lack of a small-animal model has hampered the analysis of hepatitis C virus (HCV) pathogenesis. The tupaia (Tupaia belangeri), a tree shrew, has shown susceptibility to HCV infection and has been considered a possible candidate for a small experimental model of HCV infection.
Yutaka, Amako   +10 more
openaire   +2 more sources

A perspective from the Mesozoic: Evolutionary changes of the mammalian skull and their influence on feeding efficiency and high‐frequency hearing

open access: yesThe Anatomical Record, EarlyView.
Abstract The complex evolutionary history behind modern mammalian chewing performance and hearing function is a result of several changes in the entire skeletomuscular system of the skull and lower jaw. Lately, exciting multifunctional 3D analytical methods and kinematic simulations of feeding functions in both modern and fossil mammals and their ...
Julia A. Schultz
wiley   +1 more source

Beyond mammals: the evolution of chewing and other forms of oropharyngeal food processing in vertebrates

open access: yesBiological Reviews, EarlyView.
ABSTRACT Oropharyngeal food processing exhibits a remarkable diversity among vertebrates, reflecting the evolution of specialised ‘processing centres’ associated with the mandibular, hyoid, and branchial arches. Although studies have detailed various food‐processing strategies and mechanisms across vertebrates, a coherent and comprehensive terminology ...
Daniel Schwarz   +6 more
wiley   +1 more source

Enzyme activity, hormone concentration in tree shrew (Tupaia belangeri) during cold acclimation [PDF]

open access: yesJournal of Stress Physiology & Biochemistry, 2012
Environmental factors play an important role in the seasonal adaptation of body mass and thermogenesis in wild small mammals. The tree shrew (Tupaia belangeri), is a unique species of small mammals which is origin of island in the Oriental realm.
Lin Zhang, Wanlong Zhu, Zhengkun Wang
doaj  

Unveiling Novel Viral Diversity, Biogeography, and Host Networks in Wildlife Through High‐Throughput Sequencing Data Mining

open access: yesAdvanced Science, Volume 12, Issue 46, December 11, 2025.
Analysis of 57 536 high‐throughput sequencing datasets uncovers a vast, hidden world of viruses in wildlife. The researchers reveal significant geographic and host‐specific patterns of viruses, and their surprising cross‐species transmissions, such as avian flu viruses infecting goats.
Hai Wang   +19 more
wiley   +1 more source

Descriptive Histology and Anatomy of the Nasal Cavity and Its Associated Sensory Organs in the European Hedgehog (Erinaceus europaeus) Based on Four Standardised Transverse Sections

open access: yesAnatomia, Histologia, Embryologia, Volume 54, Issue 6, November 2025.
ABSTRACT The nasal cavity of European hedgehogs (Erinaceus europaeus) harbours a well‐developed olfactory system, essential for food provision and communication. Additionally, it acts as a first line of defence by preventing pathogens and irritants from reaching the lungs, thereby playing an important physiological role.
Yannick Van de Weyer   +5 more
wiley   +1 more source

Molecular evolution of the neurohypophysial hormone precursors in mammals: comparative genomics reveals novel mammalian oxytocin and vasopressin analogues [PDF]

open access: yes, 2012
Among vertebrates the neurohypophysial hormones show considerable variation. However, in eutherian mammals they have been considered rather conserved, with arginine vasopressin (AVP) and oxytocin (OT) in all species except pig and some relatives, where ...
Wallis, Michael
core   +1 more source

Variation in Small Mammal Species Composition and the Occurrence of Parasitic Mites in Two Landscapes in a Scrub Typhus Endemic Region of Western Yunnan Province, China

open access: yesEcology and Evolution, Volume 15, Issue 10, October 2025.
Yunnan Province, the most serious scrub typhus endemic areas in China, provides abundant ecological resources that sustain parasite and host populations. The distribution of vector‐borne diseases is driven by interactions between hosts, vectors and the environment, revealing critical ecological dynamics.
Yun‐Yan Luo   +8 more
wiley   +1 more source

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