Results 11 to 20 of about 3,006 (159)

Independent evolution of transcriptional inactivation on sex chromosomes in birds and mammals. [PDF]

open access: yesPLoS Genetics, 2013
X chromosome inactivation in eutherian mammals has been thought to be tightly controlled, as expected from a mechanism that compensates for the different dosage of X-borne genes in XX females and XY males.
Alexandra M Livernois   +4 more
doaj   +2 more sources

Insights into platypus crural gland transcriptomics – venom and beyond [PDF]

open access: yesBMC Genomics
Background The platypus (Ornithorhynchus anatinus) is one of 15 confirmed venomous mammals worldwide, and possesses a unique venom system, termed the crural system.
Adele Gonsalvez   +3 more
doaj   +2 more sources

All-a-glow: spectral characteristics confirm widespread fluorescence for mammals [PDF]

open access: yesRoyal Society Open Science, 2023
Mammalian fluorescence has been reported from numerous species of monotreme, marsupial and placental mammal. However, it is unknown how widespread this phenomenon is among mammals, it is unclear for many species if these observations of ‘glowing’ are ...
Kenny J. Travouillon   +4 more
doaj   +2 more sources

Applying a modified streamlined disease risk analysis framework to a platypus conservation translocation, with special consideration for the conservation of ecto- and endoparasites [PDF]

open access: yesInternational Journal for Parasitology: Parasites and Wildlife
Platypuses are the world's most evolutionarily distinct mammal and have several host-specific ecto- and endoparasites. With platypus populations declining, consideration should also be given to preserving these high conservation priority parasites ...
Jessica Whinfield   +3 more
doaj   +2 more sources

Targeted molecular screening for protozoan parasites in wild platypuses (Ornithorhynchus anatinus) and associated risk factors for infection [PDF]

open access: yesInternational Journal for Parasitology: Parasites and Wildlife
The platypus (Ornithorhynchus anatinus) is a unique monotreme endemic to eastern Australia, yet little is known about the prevalence and impact of protozoan infections in wild populations. This study investigated the occurrence of protozoan parasites and
Renata Fernandes-Santos   +8 more
doaj   +2 more sources

Therian origin of INSL3/RXFP2-driven testicular descent in mammals [PDF]

open access: yesFrontiers in Cell and Developmental Biology
Introduction: During early development in most male mammals the testes move from a position near the kidneys through the abdomen to eventually reside in the scrotum.
Brandon R. Menzies   +3 more
doaj   +2 more sources

Coevolution of activating and inhibitory receptors within mammalian carcinoembryonic antigen families [PDF]

open access: yesBMC Biology, 2010
Background Most rapidly evolving gene families are involved in immune responses and reproduction, two biological functions which have been assigned to the carcinoembryonic antigen (CEA) gene family.
Kammerer Robert, Zimmermann Wolfgang
doaj   +5 more sources

Marsupial and monotreme milk—a review of its nutrient and immune properties [PDF]

open access: yesPeerJ, 2020
All mammals are characterized by the ability of females to produce milk. Marsupial (metatherian) and monotreme (prototherian) young are born in a highly altricial state and rely on their mother’s milk for the first part of their life.
Hayley J. Stannard   +2 more
doaj   +2 more sources

When the past informs our future

open access: yeseLife, 2021
Comparing the genes expressed at the maternal-fetal interface in different species helps to pinpoint those that contribute to a healthy pregnancy by regulating the activity of the immune system.
Abigail LaBella
doaj   +1 more source

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