@ARTICLE{TreeBASE2Ref18887,
author = {Lee A. Weigt and Andrew J. Crawford and A. Stanley Rand and Michael J. Ryan},
title = {Biogeography of the T?ngara Frog, Physalaemus pustulosus: a Molecular Perspective.},
year = {2005},
keywords = {allozymes, biogeography, intergradation, mtDNA},
doi = {10.1111/j.1365-294X.2005.02707.x},
url = {http://},
pmid = {},
journal = {Molecular Ecology},
volume = {14},
number = {},
pages = {3857--3876},
abstract = {Physalaemus pustulosus, a small leptodactylid frog with South American affinities, ranges across northern South America through Middle America to southern Mexico. To investi- gate its geographic variation and evolutionary origins, we analysed the presumptive gene products of 14 allozyme loci and sequenced a portion of the mitochondrial COI gene from individuals sampled throughout the distribution. Generally, allozyme dissimilarities and sequence divergences are correlated with each other and with geographic proximity. The greatest discontinuity in genetic variation was found between populations in Middle America vs. South America + Panama. Based on two Bayesian MCMC (Markov chain Monte Carlo) divergence time estimates involving two independent temporal constraints, the timing of the separation of northern and southern t?ngara frog lineages is significantly older than the time since completion of the current Panama land bridge. P. pustulosus first invaded Middle America from South America about 6?10 million years ago giving rise to the northern lineage. The southern lineage then invaded Panama independently after land bridge comple- tion. Despite millions of years of independent evolution, the multilocus allozyme data revealed that western Panama populations represent a contact zone containing individuals with alleles from both groups present.}
}
Citation for Study 10423
Citation title:
"Biogeography of the T?ngara Frog, Physalaemus pustulosus: a Molecular Perspective.".
Study name:
"Biogeography of the T?ngara Frog, Physalaemus pustulosus: a Molecular Perspective.".
This study is part of submission 10413
(Status: Published).
Citation
Weigt L.A., Crawford A., Rand A., & Ryan M. 2005. Biogeography of the T?ngara Frog, Physalaemus pustulosus: a Molecular Perspective. Molecular Ecology, 14: 3857-3876.
Authors
-
Weigt L.A.
-
Crawford A.
-
Rand A.
-
Ryan M.
Abstract
Physalaemus pustulosus, a small leptodactylid frog with South American affinities, ranges across northern South America through Middle America to southern Mexico. To investi- gate its geographic variation and evolutionary origins, we analysed the presumptive gene products of 14 allozyme loci and sequenced a portion of the mitochondrial COI gene from individuals sampled throughout the distribution. Generally, allozyme dissimilarities and sequence divergences are correlated with each other and with geographic proximity. The greatest discontinuity in genetic variation was found between populations in Middle America vs. South America + Panama. Based on two Bayesian MCMC (Markov chain Monte Carlo) divergence time estimates involving two independent temporal constraints, the timing of the separation of northern and southern t?ngara frog lineages is significantly older than the time since completion of the current Panama land bridge. P. pustulosus first invaded Middle America from South America about 6?10 million years ago giving rise to the northern lineage. The southern lineage then invaded Panama independently after land bridge comple- tion. Despite millions of years of independent evolution, the multilocus allozyme data revealed that western Panama populations represent a contact zone containing individuals with alleles from both groups present.
Keywords
allozymes, biogeography, intergradation, mtDNA
External links
About this resource
- Canonical resource URI:
http://purl.org/phylo/treebase/phylows/study/TB2:S10423
- Other versions:
Nexus
NeXML
- Show BibTeX reference
@ARTICLE{TreeBASE2Ref18887,
author = {Lee A. Weigt and Andrew J. Crawford and A. Stanley Rand and Michael J. Ryan},
title = {Biogeography of the T?ngara Frog, Physalaemus pustulosus: a Molecular Perspective.},
year = {2005},
keywords = {allozymes, biogeography, intergradation, mtDNA},
doi = {10.1111/j.1365-294X.2005.02707.x},
url = {http://},
pmid = {},
journal = {Molecular Ecology},
volume = {14},
number = {},
pages = {3857--3876},
abstract = {Physalaemus pustulosus, a small leptodactylid frog with South American affinities, ranges across northern South America through Middle America to southern Mexico. To investi- gate its geographic variation and evolutionary origins, we analysed the presumptive gene products of 14 allozyme loci and sequenced a portion of the mitochondrial COI gene from individuals sampled throughout the distribution. Generally, allozyme dissimilarities and sequence divergences are correlated with each other and with geographic proximity. The greatest discontinuity in genetic variation was found between populations in Middle America vs. South America + Panama. Based on two Bayesian MCMC (Markov chain Monte Carlo) divergence time estimates involving two independent temporal constraints, the timing of the separation of northern and southern t?ngara frog lineages is significantly older than the time since completion of the current Panama land bridge. P. pustulosus first invaded Middle America from South America about 6?10 million years ago giving rise to the northern lineage. The southern lineage then invaded Panama independently after land bridge comple- tion. Despite millions of years of independent evolution, the multilocus allozyme data revealed that western Panama populations represent a contact zone containing individuals with alleles from both groups present.}
}
- Show RIS reference
TY - JOUR
ID - 18887
AU - Weigt,Lee A.
AU - Crawford,Andrew J.
AU - Rand,A. Stanley
AU - Ryan,Michael J.
T1 - Biogeography of the T?ngara Frog, Physalaemus pustulosus: a Molecular Perspective.
PY - 2005
KW - allozymes
KW - biogeography
KW - intergradation
KW - mtDNA
UR - http://dx.doi.org/10.1111/j.1365-294X.2005.02707.x
N2 - Physalaemus pustulosus, a small leptodactylid frog with South American affinities, ranges across northern South America through Middle America to southern Mexico. To investi- gate its geographic variation and evolutionary origins, we analysed the presumptive gene products of 14 allozyme loci and sequenced a portion of the mitochondrial COI gene from individuals sampled throughout the distribution. Generally, allozyme dissimilarities and sequence divergences are correlated with each other and with geographic proximity. The greatest discontinuity in genetic variation was found between populations in Middle America vs. South America + Panama. Based on two Bayesian MCMC (Markov chain Monte Carlo) divergence time estimates involving two independent temporal constraints, the timing of the separation of northern and southern t?ngara frog lineages is significantly older than the time since completion of the current Panama land bridge. P. pustulosus first invaded Middle America from South America about 6?10 million years ago giving rise to the northern lineage. The southern lineage then invaded Panama independently after land bridge comple- tion. Despite millions of years of independent evolution, the multilocus allozyme data revealed that western Panama populations represent a contact zone containing individuals with alleles from both groups present.
L3 - 10.1111/j.1365-294X.2005.02707.x
JF - Molecular Ecology
VL - 14
IS -
SP - 3857
EP - 3876
ER -