Staff View: Phylogenetic relationships and tempo of early diversification in Anolis Lizards.

Phylogenetic relationships and tempo of early diversification in Anolis Lizards.

Bibliographic Details
Main Authors:	Jackman, Todd., Larson, Allan., Queiroz, Kevin., Losos, Jonathan.
Format:	Villanova Faculty Authorship
Language:	English
Published:	1999
Online Access:	http://ezproxy.villanova.edu/login?url=https://digital.library.villanova.edu/Item/vudl:177327

Main Authors:

Jackman, Todd., Larson, Allan., Queiroz, Kevin., Losos, Jonathan.

Format:

Villanova Faculty Authorship

Language:

English

Published:

1999

Online Access:

http://ezproxy.villanova.edu/login?url=https://digital.library.villanova.edu/Item/vudl:177327

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spelling	Phylogenetic relationships and tempo of early diversification in Anolis Lizards. Jackman, Todd. Larson, Allan. Queiroz, Kevin. Losos, Jonathan. We examine phylogenetic relationships among anoles using mitochondria1 DNA sequences from the NADH dehydrogenase subunit 2 gene (ND2)and five transfer-RNA genes representing 1,455 alignable base positions and 866 phylogenetically informative characters (parsimony criterion). We also present 16 morphological characters for phylogenetic analysis. Our analyses yielded poorly-supported nodes deep in the anole tree but many well-supported nodes for more recent phylogenetic divergences. We test the hypothesis that the major clades of anoles form a hard polytomy and present a general statistical framework for testing hypotheses of simultaneous branching of lineages by using molecular sequence data. Our results suggest that rapid diversification early in the evolutionary history of anoles explains why numerous researchers have had difficulty reconstructing well-supported dichotomous phylogenetic trees for anoles. [Anolis;mitochondrial DNA; parametric bootstrap; permutation test; phylogeny; polytomy.] 1999 Villanova Faculty Authorship vudl:177327 Systematic Biology 48(2), June 1999, 254-285. en
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dc.creator_txt_mv	Jackman, Todd. Larson, Allan. Queiroz, Kevin. Losos, Jonathan.
dc.description_txt_mv	We examine phylogenetic relationships among anoles using mitochondria1 DNA sequences from the NADH dehydrogenase subunit 2 gene (ND2)and five transfer-RNA genes representing 1,455 alignable base positions and 866 phylogenetically informative characters (parsimony criterion). We also present 16 morphological characters for phylogenetic analysis. Our analyses yielded poorly-supported nodes deep in the anole tree but many well-supported nodes for more recent phylogenetic divergences. We test the hypothesis that the major clades of anoles form a hard polytomy and present a general statistical framework for testing hypotheses of simultaneous branching of lineages by using molecular sequence data. Our results suggest that rapid diversification early in the evolutionary history of anoles explains why numerous researchers have had difficulty reconstructing well-supported dichotomous phylogenetic trees for anoles. [Anolis;mitochondrial DNA; parametric bootstrap; permutation test; phylogeny; polytomy.]
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author	Jackman, Todd. Larson, Allan. Queiroz, Kevin. Losos, Jonathan.
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description	We examine phylogenetic relationships among anoles using mitochondria1 DNA sequences from the NADH dehydrogenase subunit 2 gene (ND2)and five transfer-RNA genes representing 1,455 alignable base positions and 866 phylogenetically informative characters (parsimony criterion). We also present 16 morphological characters for phylogenetic analysis. Our analyses yielded poorly-supported nodes deep in the anole tree but many well-supported nodes for more recent phylogenetic divergences. We test the hypothesis that the major clades of anoles form a hard polytomy and present a general statistical framework for testing hypotheses of simultaneous branching of lineages by using molecular sequence data. Our results suggest that rapid diversification early in the evolutionary history of anoles explains why numerous researchers have had difficulty reconstructing well-supported dichotomous phylogenetic trees for anoles. [Anolis;mitochondrial DNA; parametric bootstrap; permutation test; phylogeny; polytomy.]
title	Phylogenetic relationships and tempo of early diversification in Anolis Lizards.
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Phylogenetic relationships and tempo of early diversification in Anolis Lizards.
Jackman, Todd.
Larson, Allan.
Queiroz, Kevin.
Losos, Jonathan.
We examine phylogenetic relationships among anoles using mitochondria1 DNA sequences from the NADH dehydrogenase subunit 2 gene (ND2)and five transfer-RNA genes representing 1,455 alignable base positions and 866 phylogenetically informative characters (parsimony criterion). We also present 16 morphological characters for phylogenetic analysis. Our analyses yielded poorly-supported nodes deep in the anole tree but many well-supported nodes for more recent phylogenetic divergences. We test the hypothesis that the major clades of anoles form a hard polytomy and present a general statistical framework for testing hypotheses of simultaneous branching of lineages by using molecular sequence data. Our results suggest that rapid diversification early in the evolutionary history of anoles explains why numerous researchers have had difficulty reconstructing well-supported dichotomous phylogenetic trees for anoles. [Anolis;mitochondrial DNA; parametric bootstrap; permutation test; phylogeny; polytomy.]
1999
Villanova Faculty Authorship
vudl:177327
Systematic Biology 48(2), June 1999, 254-285.
en

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Phylogenetic relationships and tempo of early diversification in Anolis Lizards.

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Jackman, Todd.
Larson, Allan.
Queiroz, Kevin.
Losos, Jonathan.

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We examine phylogenetic relationships among anoles using mitochondria1 DNA sequences from the NADH dehydrogenase subunit 2 gene (ND2)and five transfer-RNA genes representing 1,455 alignable base positions and 866 phylogenetically informative characters (parsimony criterion). We also present 16 morphological characters for phylogenetic analysis. Our analyses yielded poorly-supported nodes deep in the anole tree but many well-supported nodes for more recent phylogenetic divergences. We test the hypothesis that the major clades of anoles form a hard polytomy and present a general statistical framework for testing hypotheses of simultaneous branching of lineages by using molecular sequence data. Our results suggest that rapid diversification early in the evolutionary history of anoles explains why numerous researchers have had difficulty reconstructing well-supported dichotomous phylogenetic trees for anoles. [Anolis;mitochondrial DNA; parametric bootstrap; permutation test; phylogeny; polytomy.]

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Larson, Allan.
Queiroz, Kevin.
Losos, Jonathan.

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Larson, Allan.
Queiroz, Kevin.
Losos, Jonathan.
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Queiroz, Kevin.
Losos, Jonathan.

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Phylogenetic relationships and tempo of early diversification in Anolis Lizards.

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