@ARTICLE{TreeBASE2Ref22447,
author = {Barbara Turner and Ovidiu Paun and Jérôme Munzinger and Sutee Duangjai and Mark W. Chase and Rosabelle Samuel},
title = {Analyses of amplified fragment length polymorphism (AFLP) indicate rapid radiation of Diospyros species (Ebenaceae) endemic to New Caledonia},
year = {2013},
keywords = {Cryptic species, island flora, morphological diversification, progenitor/derivative relationships, species radiation, woody plants},
doi = {10.1186/1471-2148-13-269},
url = {http://www.biomedcentral.com/1471-2148/13/269},
pmid = {},
journal = {BMC Evolutionary Biology},
volume = {13},
number = {},
pages = {},
abstract = {Background
Radiation in some plant groups has occurred on islands and due to the characteristic rapid pace of phenotypic evolution, standard molecular markers often provide insufficient variation for phylogenetic reconstruction. To resolve relationships within a clade of 21 closely related New Caledonian Diospyros species and evaluate species boundaries we analysed genome-wide DNA variation via amplified fragment length polymorphisms (AFLP).
Results
A neighbour-joining (NJ) dendrogram based on Dice distances shows all species except D. minimifolia, D. parviflora and D. vieillardii to form unique clusters of genetically similar accessions. However, there was little variation between these species clusters, resulting in unresolved species relationships and a star-like general NJ topology. Correspondingly, analyses of molecular variance showed more variation within species than between them. A Bayesian analysis with BEAST produced a similar result. Another Bayesian method, this time a clustering method, STRUCTURE, demonstrated the presence of two groups, highly congruent with those observed in a principal coordinate analysis (PCO). Molecular divergence between the two groups is low and does not correspond to any hypothesised taxonomic, ecological or geographical patterns.
Conclusions
We hypothesise that such a pattern could have been produced by rapid and complex evolution involving a widespread progenitor for which an initial split into two groups was followed by subsequent fragmentation into many diverging populations, which was followed by range expansion of then divergent entities. Overall, this process resulted in an opportunistic pattern of phenotypic diversification. The time since divergence was probably insufficient for some species to become genetically well-differentiated, resulting in progenitor/derivative relationships being exhibited in a few cases. In other cases, our analyses may have revealed evidence for the existence of cryptic species, for which more study of morphology and ecology are now required.}
}
Citation for Study 14798
Citation title:
"Analyses of amplified fragment length polymorphism (AFLP) indicate rapid radiation of Diospyros species (Ebenaceae) endemic to New Caledonia".
Study name:
"Analyses of amplified fragment length polymorphism (AFLP) indicate rapid radiation of Diospyros species (Ebenaceae) endemic to New Caledonia".
This study is part of submission 14798
(Status: Published).
Citation
Turner B., Paun O., Munzinger J., Duangjai S., Chase M., & Samuel R. 2013. Analyses of amplified fragment length polymorphism (AFLP) indicate rapid radiation of Diospyros species (Ebenaceae) endemic to New Caledonia. BMC Evolutionary Biology, 13.
Authors
-
Turner B.
(submitter)
0043427754163
-
Paun O.
-
Munzinger J.
-
Duangjai S.
-
Chase M.
-
Samuel R.
Abstract
Background
Radiation in some plant groups has occurred on islands and due to the characteristic rapid pace of phenotypic evolution, standard molecular markers often provide insufficient variation for phylogenetic reconstruction. To resolve relationships within a clade of 21 closely related New Caledonian Diospyros species and evaluate species boundaries we analysed genome-wide DNA variation via amplified fragment length polymorphisms (AFLP).
Results
A neighbour-joining (NJ) dendrogram based on Dice distances shows all species except D. minimifolia, D. parviflora and D. vieillardii to form unique clusters of genetically similar accessions. However, there was little variation between these species clusters, resulting in unresolved species relationships and a star-like general NJ topology. Correspondingly, analyses of molecular variance showed more variation within species than between them. A Bayesian analysis with BEAST produced a similar result. Another Bayesian method, this time a clustering method, STRUCTURE, demonstrated the presence of two groups, highly congruent with those observed in a principal coordinate analysis (PCO). Molecular divergence between the two groups is low and does not correspond to any hypothesised taxonomic, ecological or geographical patterns.
Conclusions
We hypothesise that such a pattern could have been produced by rapid and complex evolution involving a widespread progenitor for which an initial split into two groups was followed by subsequent fragmentation into many diverging populations, which was followed by range expansion of then divergent entities. Overall, this process resulted in an opportunistic pattern of phenotypic diversification. The time since divergence was probably insufficient for some species to become genetically well-differentiated, resulting in progenitor/derivative relationships being exhibited in a few cases. In other cases, our analyses may have revealed evidence for the existence of cryptic species, for which more study of morphology and ecology are now required.
Keywords
Cryptic species, island flora, morphological diversification, progenitor/derivative relationships, species radiation, woody plants
External links
About this resource
- Canonical resource URI:
http://purl.org/phylo/treebase/phylows/study/TB2:S14798
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- Show BibTeX reference
@ARTICLE{TreeBASE2Ref22447,
author = {Barbara Turner and Ovidiu Paun and Jérôme Munzinger and Sutee Duangjai and Mark W. Chase and Rosabelle Samuel},
title = {Analyses of amplified fragment length polymorphism (AFLP) indicate rapid radiation of Diospyros species (Ebenaceae) endemic to New Caledonia},
year = {2013},
keywords = {Cryptic species, island flora, morphological diversification, progenitor/derivative relationships, species radiation, woody plants},
doi = {10.1186/1471-2148-13-269},
url = {http://www.biomedcentral.com/1471-2148/13/269},
pmid = {},
journal = {BMC Evolutionary Biology},
volume = {13},
number = {},
pages = {},
abstract = {Background
Radiation in some plant groups has occurred on islands and due to the characteristic rapid pace of phenotypic evolution, standard molecular markers often provide insufficient variation for phylogenetic reconstruction. To resolve relationships within a clade of 21 closely related New Caledonian Diospyros species and evaluate species boundaries we analysed genome-wide DNA variation via amplified fragment length polymorphisms (AFLP).
Results
A neighbour-joining (NJ) dendrogram based on Dice distances shows all species except D. minimifolia, D. parviflora and D. vieillardii to form unique clusters of genetically similar accessions. However, there was little variation between these species clusters, resulting in unresolved species relationships and a star-like general NJ topology. Correspondingly, analyses of molecular variance showed more variation within species than between them. A Bayesian analysis with BEAST produced a similar result. Another Bayesian method, this time a clustering method, STRUCTURE, demonstrated the presence of two groups, highly congruent with those observed in a principal coordinate analysis (PCO). Molecular divergence between the two groups is low and does not correspond to any hypothesised taxonomic, ecological or geographical patterns.
Conclusions
We hypothesise that such a pattern could have been produced by rapid and complex evolution involving a widespread progenitor for which an initial split into two groups was followed by subsequent fragmentation into many diverging populations, which was followed by range expansion of then divergent entities. Overall, this process resulted in an opportunistic pattern of phenotypic diversification. The time since divergence was probably insufficient for some species to become genetically well-differentiated, resulting in progenitor/derivative relationships being exhibited in a few cases. In other cases, our analyses may have revealed evidence for the existence of cryptic species, for which more study of morphology and ecology are now required.}
}
- Show RIS reference
TY - JOUR
ID - 22447
AU - Turner,Barbara
AU - Paun,Ovidiu
AU - Munzinger,Jérôme
AU - Duangjai,Sutee
AU - Chase,Mark W.
AU - Samuel,Rosabelle
T1 - Analyses of amplified fragment length polymorphism (AFLP) indicate rapid radiation of Diospyros species (Ebenaceae) endemic to New Caledonia
PY - 2013
KW - Cryptic species
KW - island flora
KW - morphological diversification
KW - progenitor/derivative relationships
KW - species radiation
KW - woody plants
UR - http://www.biomedcentral.com/1471-2148/13/269
N2 - Background
Radiation in some plant groups has occurred on islands and due to the characteristic rapid pace of phenotypic evolution, standard molecular markers often provide insufficient variation for phylogenetic reconstruction. To resolve relationships within a clade of 21 closely related New Caledonian Diospyros species and evaluate species boundaries we analysed genome-wide DNA variation via amplified fragment length polymorphisms (AFLP).
Results
A neighbour-joining (NJ) dendrogram based on Dice distances shows all species except D. minimifolia, D. parviflora and D. vieillardii to form unique clusters of genetically similar accessions. However, there was little variation between these species clusters, resulting in unresolved species relationships and a star-like general NJ topology. Correspondingly, analyses of molecular variance showed more variation within species than between them. A Bayesian analysis with BEAST produced a similar result. Another Bayesian method, this time a clustering method, STRUCTURE, demonstrated the presence of two groups, highly congruent with those observed in a principal coordinate analysis (PCO). Molecular divergence between the two groups is low and does not correspond to any hypothesised taxonomic, ecological or geographical patterns.
Conclusions
We hypothesise that such a pattern could have been produced by rapid and complex evolution involving a widespread progenitor for which an initial split into two groups was followed by subsequent fragmentation into many diverging populations, which was followed by range expansion of then divergent entities. Overall, this process resulted in an opportunistic pattern of phenotypic diversification. The time since divergence was probably insufficient for some species to become genetically well-differentiated, resulting in progenitor/derivative relationships being exhibited in a few cases. In other cases, our analyses may have revealed evidence for the existence of cryptic species, for which more study of morphology and ecology are now required.
L3 - 10.1186/1471-2148-13-269
JF - BMC Evolutionary Biology
VL - 13
IS -
ER -