@ARTICLE{TreeBASE2Ref18522,
author = {A. L. Grusz and Michael D Windham and Kathleen M. Pryer},
title = {Deciphering the origins of apomictic polyploids in the Cheilanthes yavapensis complex (Pteridaceae)},
year = {2009},
keywords = {},
doi = {10.3732/ajb.0900019},
url = {},
pmid = {},
journal = {American Journal of Botany},
volume = {96},
number = {9},
pages = {1636--1645},
abstract = {Deciphering species relationships and hybrid origins in polyploid agamic species complexes? is notoriously difficult. In this study of cheilanthoid ferns we demonstrate increased resolving power for clarifying the origins of polyploid lineages by integrating evidence from a diverse selection of biosystematic methods. The prevalence of polyploidy, hybridization, and apomixis in ferns suggests that these processes play a significant role in their evolution and diversification. Using a combination of systematic approaches, we investigated the origins of apomictic polyploids belonging to the Cheilanthes yavapensis complex. Spore studies allowed us to assess ploidy levels; plastid and nuclear DNA sequencing revealed evolutionary relationships and confirmed the putative progenitors (both maternal and paternal) of taxa of hybrid origin; enzyme electrophoretic evidence provided information on genome dosage in allopolyploids. We find here that the widespread apomictic triploid, Cheilanthes lindheimeri, is an autopolyploid derived from a rare, previously undetected, sexual diploid. The apomictic triploid Cheilanthes wootonii is shown to be an interspecific hybrid between C. fendleri and C. lindheimeri, whereas the apomictic tetraploid C. yavapensis is comprised of two cryptic and geographically distinct lineages. We show that earlier morphology-based hypotheses of species relationships, while not altogether incorrect, only partially explain the complicated evolutionary history of these ferns.}
}
Citation for Study 10031
Citation title:
"Deciphering the origins of apomictic polyploids in the Cheilanthes yavapensis complex (Pteridaceae)".
This study was previously identified under the legacy study ID S2371
(Status: Published).
Citation
Grusz A., Windham M., & Pryer K. 2009. Deciphering the origins of apomictic polyploids in the Cheilanthes yavapensis complex (Pteridaceae). American Journal of Botany, 96(9): 1636-1645.
Authors
-
Grusz A.
-
Windham M.
-
Pryer K.
Abstract
Deciphering species relationships and hybrid origins in polyploid agamic species complexes? is notoriously difficult. In this study of cheilanthoid ferns we demonstrate increased resolving power for clarifying the origins of polyploid lineages by integrating evidence from a diverse selection of biosystematic methods. The prevalence of polyploidy, hybridization, and apomixis in ferns suggests that these processes play a significant role in their evolution and diversification. Using a combination of systematic approaches, we investigated the origins of apomictic polyploids belonging to the Cheilanthes yavapensis complex. Spore studies allowed us to assess ploidy levels; plastid and nuclear DNA sequencing revealed evolutionary relationships and confirmed the putative progenitors (both maternal and paternal) of taxa of hybrid origin; enzyme electrophoretic evidence provided information on genome dosage in allopolyploids. We find here that the widespread apomictic triploid, Cheilanthes lindheimeri, is an autopolyploid derived from a rare, previously undetected, sexual diploid. The apomictic triploid Cheilanthes wootonii is shown to be an interspecific hybrid between C. fendleri and C. lindheimeri, whereas the apomictic tetraploid C. yavapensis is comprised of two cryptic and geographically distinct lineages. We show that earlier morphology-based hypotheses of species relationships, while not altogether incorrect, only partially explain the complicated evolutionary history of these ferns.
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- Canonical resource URI:
http://purl.org/phylo/treebase/phylows/study/TB2:S10031
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- Show BibTeX reference
@ARTICLE{TreeBASE2Ref18522,
author = {A. L. Grusz and Michael D Windham and Kathleen M. Pryer},
title = {Deciphering the origins of apomictic polyploids in the Cheilanthes yavapensis complex (Pteridaceae)},
year = {2009},
keywords = {},
doi = {10.3732/ajb.0900019},
url = {},
pmid = {},
journal = {American Journal of Botany},
volume = {96},
number = {9},
pages = {1636--1645},
abstract = {Deciphering species relationships and hybrid origins in polyploid agamic species complexes? is notoriously difficult. In this study of cheilanthoid ferns we demonstrate increased resolving power for clarifying the origins of polyploid lineages by integrating evidence from a diverse selection of biosystematic methods. The prevalence of polyploidy, hybridization, and apomixis in ferns suggests that these processes play a significant role in their evolution and diversification. Using a combination of systematic approaches, we investigated the origins of apomictic polyploids belonging to the Cheilanthes yavapensis complex. Spore studies allowed us to assess ploidy levels; plastid and nuclear DNA sequencing revealed evolutionary relationships and confirmed the putative progenitors (both maternal and paternal) of taxa of hybrid origin; enzyme electrophoretic evidence provided information on genome dosage in allopolyploids. We find here that the widespread apomictic triploid, Cheilanthes lindheimeri, is an autopolyploid derived from a rare, previously undetected, sexual diploid. The apomictic triploid Cheilanthes wootonii is shown to be an interspecific hybrid between C. fendleri and C. lindheimeri, whereas the apomictic tetraploid C. yavapensis is comprised of two cryptic and geographically distinct lineages. We show that earlier morphology-based hypotheses of species relationships, while not altogether incorrect, only partially explain the complicated evolutionary history of these ferns.}
}
- Show RIS reference
TY - JOUR
ID - 18522
AU - Grusz,A. L.
AU - Windham,Michael D
AU - Pryer,Kathleen M.
T1 - Deciphering the origins of apomictic polyploids in the Cheilanthes yavapensis complex (Pteridaceae)
PY - 2009
UR - http://dx.doi.org/10.3732/ajb.0900019
N2 - Deciphering species relationships and hybrid origins in polyploid agamic species complexes? is notoriously difficult. In this study of cheilanthoid ferns we demonstrate increased resolving power for clarifying the origins of polyploid lineages by integrating evidence from a diverse selection of biosystematic methods. The prevalence of polyploidy, hybridization, and apomixis in ferns suggests that these processes play a significant role in their evolution and diversification. Using a combination of systematic approaches, we investigated the origins of apomictic polyploids belonging to the Cheilanthes yavapensis complex. Spore studies allowed us to assess ploidy levels; plastid and nuclear DNA sequencing revealed evolutionary relationships and confirmed the putative progenitors (both maternal and paternal) of taxa of hybrid origin; enzyme electrophoretic evidence provided information on genome dosage in allopolyploids. We find here that the widespread apomictic triploid, Cheilanthes lindheimeri, is an autopolyploid derived from a rare, previously undetected, sexual diploid. The apomictic triploid Cheilanthes wootonii is shown to be an interspecific hybrid between C. fendleri and C. lindheimeri, whereas the apomictic tetraploid C. yavapensis is comprised of two cryptic and geographically distinct lineages. We show that earlier morphology-based hypotheses of species relationships, while not altogether incorrect, only partially explain the complicated evolutionary history of these ferns.
L3 - 10.3732/ajb.0900019
JF - American Journal of Botany
VL - 96
IS - 9
SP - 1636
EP - 1645
ER -
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