Results 41 to 50 of about 144,463 (199)

Evolution of assortative mating following selective introgression of pigmentation genes between two Drosophila species

Ecology and Evolution, 2022
Adaptive introgression is ubiquitous in animals, but experimental support for its role in driving speciation remains scarce. In the absence of conscious selection, admixed laboratory strains of Drosophila asymmetrically and progressively lose alleles ...
Jean R. David, Erina A. Ferreira, Laure Jabaud, David Ogereau, Héloïse Bastide, Amir Yassin   +5 more
doaj   +1 more source

Estimation of genetic and non-genetic effects influencing coat colour in black horses

Czech Journal of Animal Science, 2019
The aims of this study are the quantitative characterisation of the coat colour in the black variety of the Old Kladruber Horse breed, the estimation of the coat colour genetic parameters, and the determination of the factors that influence coat colour ...
Barbora Hofmanová, Luboš Vostrý, Hana Vostrá-Vydrová, Adéla Dokoupilová, Ivan Majzlík   +4 more
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Duration of pairing and use of allosperm in Biomphalaria glabrata (Gastropoda: Planorbidae) Duração do acasalamento e uso do aloesperma em Biomphalaria glabrata (Gastropode: Planorbidae)

Memorias do Instituto Oswaldo Cruz, 1989
Virgin homozygous black pigmented and albino Biomphalaria glabrata are paired during a period varying from 1 to 20 days. The rate of cross-fertilized parents is statistically similar for the various lengths of pairing.
Marc Vianey-Liaud, Henri Nassi, Felix Lancastre, Jacques Dupouy   +3 more
doaj   +1 more source

Melanonychia: Etiology, Diagnosis, and Treatment

Indian Dermatology Online Journal, 2020
Melanonychia is a very worrisome entity for most patients. It is characterized by brownish black discoloration of nail plate and is a common cause of nail plate pigmentation.
Archana Singal, Kavita Bisherwal
doaj   +1 more source

Skin proteomic screening and functional analysis of differential proteins associated with coat color in sheep () [PDF]

Animal Bioscience
Objective Coat color is an important characteristic and economic trait in domestic sheep. In this study, we explored the potential mechanisms and the signaling pathways involved in coat color regulation for sheep.
Zhihong Yin, Shitong Hao, Yuanyuan Zhao, Jinglong Li, Yunli Cui, Yaming Ge, Quanhai Pang   +6 more
doaj   +1 more source

Dermal Adipose Tissue Secretes HGF to Promote Human Hair Growth and Pigmentation [PDF]

, 2021
Carina Nicu, James D.B. O’Sullivan, Raúl Ramos, Ludovica Timperi, Tiffany Lai, Nilofer Farjo, Bessam Farjo, Jenny Pople, Ranjit K. Bhogal, J. Hardman, Maksim V. Plikus, David M. Ansell, Ralf Paus   +12 more
openalex   +1 more source

A New Compound Heterozygous Mutation Of BSCL2 In A Chinese Zhuang Ethnic Family With Congenital Generalized Lipodystrophy

Diabetes, Metabolic Syndrome and Obesity, 2019
Yuan-yuan Qin,1 Xuan Zhang,1 Li-qun Xiang,1 Qing-wen Shan,2 Shou-dong Li,3 Jie Yan,1 Fa-quan Lin1 1Department of Clinical Laboratory, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region, People’s ...
Qin Y, Zhang X, Xiang L, Shan Q, Li S, Yan J, Lin F   +6 more
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Adaptation of Apis mellifera jemenitica (Hymenoptera: Apidae) to high temperatures: Morphological, behavioural, and physiological aspects

European Journal of Entomology
Temperature affects the distribution and success of Apis mellifera subspecies. To survive high temperatures in their natural habitats, unique adaptive traits have been evolved by various A. mellifera subspecies. A.
Yehya ALATTAL
doaj   +1 more source

Extensive amalgam tattoo (amalgam pigmentation) on the palatal mucosa: a short case report

Journal of Oral Medicine and Oral Surgery, 2019
Introduction: An amalgam tattoo is the most common form of exogenous oral pigmentation caused by the diffusion of dental amalgam into the soft tissue. Observation: Here we describe a case of diffuse pigmentation of amalgam on the hard palate. Discussion:
Kamal Fiqhi Mohammed, Essaoudi Mohammed Amine, Khalfi Lahcen, Elkhatib Karim   +3 more
doaj   +1 more source

WHEN THE NAIL APPEARANCE PLAYS TRICKS: A CASE OF LONGITUDINAL MELANONYCHIA

European Medical Journal, 2018
A paediatric nail consultation is often required to reduce parents’ concerns regarding their child’s abnormal nail appearance. Nail pigmentation in children is a dermatological challenge because guidelines are not standardised, causing many doubts for ...
Michela Starace, Bianca Maria Piraccini, Nicolò Brandi, Aurora Alessandrini   +3 more
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