Abstract:
:Analysis of variation in nucleotide sequences in mitochondrial DNA genes among species of Gymnophthalmus supports three major conclusions. First, samples of G. underwoodi, a unisexual species of hybrid origin, have identical nucleotide sequences, supporting the hypothesis that all individuals from localities in the Guianan Region of South America and the Lesser Antilles descended from a single hybridization event. Second, G. underwoodi and G. cryptus share derived similarities in nucleotide sequences of the maternally inherited mitochondrial DNA, suggesting that the female participant in the hybridization event that produced the hybrid species was either G. cryptus or most closely related to it. Last, phylogenetic analyses recovered historical structure among population samples of G. speciosus supporting previous claims that there is unrecognized diversity under that binomial, and some analyses suggest that G. speciosus does not comprise a natural group.
journal_name
Mol Phylogenet Evoljournal_title
Molecular phylogenetics and evolutionauthors
Kizirian DA,Cole CJdoi
10.1006/mpev.1998.0591keywords:
subject
Has Abstractpub_date
1999-04-01 00:00:00pages
394-400issue
3eissn
1055-7903issn
1095-9513pii
S1055-7903(98)90591-7journal_volume
11pub_type
杂志文章abstract::Synteny can be maintained for certain genomic regions across broad phylogenetic groups. In these homologous genomic regions, sites that are under relaxed purifying selection, such as intergenic regions, could be used broadly as markers for population genetic and phylogenetic studies on species complexes. To explore th...
journal_title:Molecular phylogenetics and evolution
pub_type: 杂志文章
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journal_title:Molecular phylogenetics and evolution
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pub_type: 杂志文章
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pub_type: 杂志文章
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journal_title:Molecular phylogenetics and evolution
pub_type: 杂志文章
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journal_title:Molecular phylogenetics and evolution
pub_type: 杂志文章
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journal_title:Molecular phylogenetics and evolution
pub_type: 杂志文章
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更新日期:2009-10-01 00:00:00
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pub_type: 杂志文章
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journal_title:Molecular phylogenetics and evolution
pub_type: 杂志文章
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更新日期:2016-11-01 00:00:00
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journal_title:Molecular phylogenetics and evolution
pub_type: 杂志文章
doi:10.1016/j.ympev.2014.12.016
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pub_type: 杂志文章,评审
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journal_title:Molecular phylogenetics and evolution
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journal_title:Molecular phylogenetics and evolution
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journal_title:Molecular phylogenetics and evolution
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journal_title:Molecular phylogenetics and evolution
pub_type: 杂志文章
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journal_title:Molecular phylogenetics and evolution
pub_type: 杂志文章
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journal_title:Molecular phylogenetics and evolution
pub_type: 杂志文章
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更新日期:2005-10-01 00:00:00
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journal_title:Molecular phylogenetics and evolution
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journal_title:Molecular phylogenetics and evolution
pub_type: 杂志文章
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journal_title:Molecular phylogenetics and evolution
pub_type: 杂志文章
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pub_type: 杂志文章
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