Results 21 to 30 of about 563,489 (286)

Evolutionary transition between invertebrates and vertebrates via methylation reprogramming in embryogenesis [PDF]

open access: yes, 2019
© The Author(s), 2019. This article is distributed under the terms of the Creative Commons Attribution License. The definitive version was published in Xu, X., Li, G., Li, C., Zhang, J., Wang, Q., Simmons, D. K., Chen, X., Wijesena, N., Zhu, W., Wang, Z.,
Aluru, Neelakanteswar   +20 more
core   +2 more sources

Protomelas krampus, a new paedophagous cichlid from Lake Malawi (Teleostei, Cichlidae)

open access: yesEuropean Journal of Taxonomy, 2020
A new paedophagous species of Protomelas, P. krampus sp. nov., is described from Lake Malawi. It has been found in Lukoma Bay in Tanzania, near Mara Point in Mozambique, and at Otter Point, Chizumulu, the Likoma Islands and Mazinzi Reef in Malawi.
Katrien Dierickx, Jos Snoeks
doaj   +1 more source

Development of the early axon scaffold in the rostral brain of the small spotted cat shark (Scyliorhinus canicula) embryo [PDF]

open access: yes, 2014
International audienceThe cat shark is increasingly used as a model for Chondrichthyes, an evolutionarily important sister group of the bony vertebrates that include teleosts and tetrapods.
Schubert, Frank   +2 more
core   +5 more sources

Revisiting the Baltimore–Bullock's Oriole hybrid zone reveals changing plumage colour in Bullock's Orioles

open access: yesRoyal Society Open Science, 2022
Hybrid zones are dynamic areas where populations of two or more interbreeding species may change through an influx of novel genetic material resulting from hybridization or selection on standing genetic variation.
Young Ha Suh   +2 more
doaj   +1 more source

The evolutionary development of the renin angiotensin aldosterone system and its importance for the survival of the human species

open access: yesArterial Hypertension, 2021
Kidneys produce a number of substances that affect intrarenal blood circulation; however, the key system that regulates blood flow in both general and local circulation (including the renal circulation) is the renin-angiotensinaldosterone system (RAAS ...
Natalia Butt-Hussaim, Jacek Manitius
doaj   +1 more source

Gut microbiota as a trigger of accelerated directional adaptive evolution. Acquisition of herbivory in the context of extracellular vesicles, microRNAs and inter-kingdom crosstalk [PDF]

open access: yes, 2017
According to a traditional view, the specific diet in vertebrates is one of the key factors structuring the composition of the gut microbiota. In this interpretation, the microbiota assumes a subordinate position, where the larger host shapes, through ...
Romano, Marco
core   +1 more source

Tubbataha Reefs Natural Park: the first comprehensive elasmobranch assessment reveals global hotspot for reef sharks

open access: yesJournal of Asia-Pacific Biodiversity, 2019
Elasmobranchs are experiencing population declines worldwide because of anthropogenic stressors. Marine protected areas (MPAs) have been shown to benefit mesopredatory species of shark.
Ryan Murray   +7 more
doaj   +1 more source

The occipital lateral plate mesoderm is a novel source for vertebrate neck musculature [PDF]

open access: yes, 2010
In vertebrates, body musculature originates from somites, whereas head muscles originate from the cranial mesoderm. Neck muscles are located in the transition between these regions.
Christ, B.   +9 more
core   +1 more source

SECOND INTERNATIONAL SYMPOSIUM ON RANAVIRUSES:: A NORTH AMERICAN HERPETOLOGICAL PERSPECTIVE [PDF]

open access: yes, 2014
Ranaviruses are large double stranded DNA viruses of poikilothermic vertebrates including amphibians, reptiles and fish. In North America, ranaviral disease and ranavirus-related die-off events have been documented in all three classes.
Brunner, Jesse L.   +3 more
core   +2 more sources

Home - About - Disclaimer - Privacy