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https://www.arca.fiocruz.br/handle/icict/31921
Tipo de documento
ArtigoDireito Autoral
Acesso restrito
Data de embargo
2022-01-01
Coleções
- IOC - Artigos de Periódicos [12678]
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CLINES IN CLOCK GENES: FINE-TUNING CIRCADIAN RHYTHMS TO THE ENVIRONMENT
Clines
Genes do relógio
Meio ambiente
Genética populacional
Seleção natural
Circadian rhythms
Environment
Clines
Population genetics
Natural selection
Autor(es)
Afiliação
University of Leicester. Department of Genetics. Leicester, UK.
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Biologia Molecular de Insetos. Rio de Janeiro, RJ. Brasil.
University of Padova. Department of Biology. Padova, Italy.
University of Padova. Department of Biology. Padova, Italy.
University of Leicester. Department of Genetics. Leicester, UK.
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Biologia Molecular de Insetos. Rio de Janeiro, RJ. Brasil.
University of Padova. Department of Biology. Padova, Italy.
University of Padova. Department of Biology. Padova, Italy.
University of Leicester. Department of Genetics. Leicester, UK.
Resumo em Inglês
The dissection of the circadian clock into its molecular
components represents the most striking and well-studied
example of a gene regulatory network underlying a
complex behavioural trait. By contrast, the evolutionary
analysis of the clock has developed more slowly. Here
we review studies that have surveyed intraspecific clock
gene variation over large geographical areas and have
discovered latitudinal clines in gene frequencies. Such
spatial patterns traditionally suggest that natural selection
shapes genetic variation, but it is equally possible
that population history, or a mixture of demography and
selection, could contribute to the clines. We discuss how
population genetics, together with functional assays,
can illuminate these possible cases of natural selection
in Drosophila clock genes.
Palavras-chave
Relógio circadianoClines
Genes do relógio
Meio ambiente
Genética populacional
Seleção natural
Palavras-chave em inglês
Clock genesCircadian rhythms
Environment
Clines
Population genetics
Natural selection
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