Results 231 to 240 of about 190,685 (260)

Effects of polyandry on male phenotypic diversity [PDF]

Journal of Evolutionary Biology, 2010
AbstractPolyandry has the potential to affect the distribution of phenotypes and to shape the direction of sexual selection. Here, we explore this potential using Trinidadian guppies as a model system and ask whether polyandry leads to directional and/or diversifying selection of male phenotypic traits.
Anne Magurran, Maria Dornelas
exaly   +5 more sources

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Alternative splicing as a source of phenotypic diversity

Nature Reviews Genetics, 2022
A major goal of evolutionary genetics is to understand the genetic processes that give rise to phenotypic diversity in multicellular organisms. Alternative splicing generates multiple transcripts from a single gene, enriching the diversity of proteins and phenotypic traits. It is well established that alternative splicing contributes to key innovations
Charlotte J. Wright, Christopher W. J. Smith, Chris D. Jiggins   +2 more
openaire   +2 more sources

Human Phenotypic Diversity

Current topics in developmental biology, 2016
As humans migrated across the world, they encountered new environments requiring them to adapt to new challenges that presented themselves. The distribution of human phenotypes observed today is the result of this continuous adaptation, via biological/physiological and cultural means, and also by the modification of cultural practices, which leads to ...
P. Balaresque, T.E. King
openaire   +3 more sources

Phenotypic diversity in an emerging mycoplasmal disease

Microbial Pathogenesis, 2020
The avian pathogen Mycoplasma gallisepticum (MG) is a known pathogen of poultry, and newly emerged pathogen of house finches wherein it is associated with lethal conjunctivitis. Factors present in MG that are known to mediate virulence include cytadherence, sialidase activity, peroxide production, and biofilm formation.
Kailey, Perez, Nathan, Mullen, Jessica A, Canter, David H, Ley, Meghan, May   +4 more
openaire   +2 more sources

Phenotypic Diversity and Stability of Ecosystem Processes

Theoretical Population Biology, 1999
The resistance of an ecosystem to perturbations and the speed at which it recovers after the perturbations, which is called resilience, are two important components of ecosystem stability. It has been suggested that biodiversity increases the resilience and resistance of aggregated ecosystem processes.
Loreau, M., Behera, N.
openaire   +3 more sources

Filamin A: phenotypic diversity

Current Opinion in Genetics & Development, 2005
Filamins cross-link the actin cytoskeleton into orthogonal networks and modulate the response of cells to their chemical and mechanical environment by regulating changes in shape and motility. Null mutations in FLNA, the gene that encodes filamin A, lead to defects in neuronal migration, vascular function and connective tissue integrity.
openaire   +2 more sources

Diversity of macrophage phenotypes and responses in atherosclerosis

Cellular and Molecular Life Sciences, 2019
The presence of macrophages within the plaque is a defining hallmark of atherosclerosis. Macrophages are exposed to various microenvironments such as oxidized lipids and cytokines which effect their phenotypic differentiation and activation. Classically, macrophages have been divided into two groups: M1 and M2 macrophages induced by T-helper 1 and T ...
Hiroyuki, Jinnouchi, Liang, Guo, Atsushi, Sakamoto, Sho, Torii, Yu, Sato, Anne, Cornelissen, Salome, Kuntz, Ka Hyun, Paek, Raquel, Fernandez, Daniela, Fuller, Neel, Gadhoke, Dipti, Surve, Maria, Romero, Frank D, Kolodgie, Renu, Virmani, Aloke V, Finn   +15 more
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Phenotypic diversity in NAXE mutations

Neurological Sciences
NAD(P)HX epimerase (NAXE) gene mutations have been associated with early onset progressive encephalopathy. We present three patients with NAXE gene mutations and different initial manifestations.Patient(P)1 was a 30 month-old boy whose neurological regression started after an infection and progressed, ultimately leading to death one year later.
Ismail Solmaz, Dilek Yalnızoğlu, Ali Dursun, Kısmet Çıkı, Halil Tuna Akar, Rıza Köksal Özgül, Can Koşukçu, Abdullah Sezer, Deniz Çağdaş, Saliha Esenboğa, Begüm Özbek, Damla Aygün, Didem Yücel Yılmaz, Şafak Parlak, Rahşan Göçmen, Kader Karlı Oğuz, Banu Anlar   +16 more
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Trypanosome genetics: Populations, phenotypes and diversity

Veterinary Parasitology, 2011
In the last decade, there has been a wide range of studies using a series of molecular markers to investigate the genotypic diversity of some of the important species of African trypanosomes. Here, we review this work and provide an update of our current understanding of the mechanisms that generate this diversity based on population genetic analysis ...
Andy, Tait, Liam J, Morrison, Craig W, Duffy, Anneli, Cooper, C Mike R, Turner, Annette, Macleod   +5 more
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Diverse CD1d-restricted T cells: diverse phenotypes, and diverse functions

Seminars in Immunology, 2000
Invariant CD1d-restricted T cells express NK cell markers and use a limited TCR repertoire. Here, we describe a second CD1d-restricted T cell subset that uses a diverse TCR repertoire. These T cells can also express NK cell markers and function similarly to invariant T cells. The antigens recognized by the diverse subset are likely to be different from
S M, Behar, S, Cardell
openaire   +2 more sources