@ARTICLE{TreeBASE2Ref20182,
author = {Miao Liu and Sarah Hambeton},
title = {Laying the foundation for a taxonomic review of Puccinia coronata s.l. in a phylogenetic context},
year = {2012},
keywords = {crown rust, Uredinales, phylogeny, cryptic species, variety},
doi = {10.1007/s11557-012-0814-1},
url = {http://dx.doi.org/10.1007/s11557-012-0814-1},
pmid = {},
journal = {Mycolgical Progress},
volume = {},
number = {},
pages = {},
abstract = {Intra-specific classification of Puccinia coronata has been controversial, with previous approaches falling into three major categories: 1. A two-species system, namely Pu. coronifera and Pu. coronata; 2. The same two-species system subdivided into many formae speciales, in which the host range of each is restricted to species within one genus of Poaceae; 3. A one-species system, Pu. coronata, subdivided into a few varieties with host ranges that may overlap. To re-assess these concepts in the context of multigene analyses and comparative morphological examinations, data were generated for a comprehensive set of herbarium and recently collected specimens, representing a wide range of hosts and geographic origins. Phylogenetic analyses of a combined data set of DNA sequences for four loci (BT, COI, ITS, and RPB2) revealed a high degree of genetic variation. Morphological differences among phylogenetic lineages were overlapping but 9 lineages were differentiated using calculated means for teliospore and urediniospore length/width as well as measurements for the teliospore hilum and digitation. The taxon infecting Avena also comprises collections from a wide range of other grass hosts while other lineages, such as those on Bromus and Agrostis, were restricted in host association. Type specimen DNA sequences included in the analyses resolved the placement of 5 previously described varieties. Based on evidence of host specificity, morphology and multigene analyses, we recognized seven species, one of which was further divided into two varieties. Expanded descriptions, illustrations and a synoptic key are provided. A new series, Puccinia series Coronata, was erected to accommodate all the lineages comprising Pu. coronata sensu lato.}
}
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Citation title: "Laying the foundation for a taxonomic review of Puccinia coronata s.l. in a phylogenetic context".
Study name: "Laying the foundation for a taxonomic review of Puccinia coronata s.l. in a phylogenetic context".
This study is part of submission 12078
(Status: In Progress).
Citation
Liu M., & Hambeton S. 2012. Laying the foundation for a taxonomic review of Puccinia coronata s.l. in a phylogenetic context. Mycolgical Progress, .
Authors
Liu M.
(submitter)
651-278-5000
Hambeton S.
Abstract
Intra-specific classification of Puccinia coronata has been controversial, with previous approaches falling into three major categories: 1. A two-species system, namely Pu. coronifera and Pu. coronata; 2. The same two-species system subdivided into many formae speciales, in which the host range of each is restricted to species within one genus of Poaceae; 3. A one-species system, Pu. coronata, subdivided into a few varieties with host ranges that may overlap. To re-assess these concepts in the context of multigene analyses and comparative morphological examinations, data were generated for a comprehensive set of herbarium and recently collected specimens, representing a wide range of hosts and geographic origins. Phylogenetic analyses of a combined data set of DNA sequences for four loci (BT, COI, ITS, and RPB2) revealed a high degree of genetic variation. Morphological differences among phylogenetic lineages were overlapping but 9 lineages were differentiated using calculated means for teliospore and urediniospore length/width as well as measurements for the teliospore hilum and digitation. The taxon infecting Avena also comprises collections from a wide range of other grass hosts while other lineages, such as those on Bromus and Agrostis, were restricted in host association. Type specimen DNA sequences included in the analyses resolved the placement of 5 previously described varieties. Based on evidence of host specificity, morphology and multigene analyses, we recognized seven species, one of which was further divided into two varieties. Expanded descriptions, illustrations and a synoptic key are provided. A new series, Puccinia series Coronata, was erected to accommodate all the lineages comprising Pu. coronata sensu lato.
@ARTICLE{TreeBASE2Ref20182,
author = {Miao Liu and Sarah Hambeton},
title = {Laying the foundation for a taxonomic review of Puccinia coronata s.l. in a phylogenetic context},
year = {2012},
keywords = {crown rust, Uredinales, phylogeny, cryptic species, variety},
doi = {10.1007/s11557-012-0814-1},
url = {http://dx.doi.org/10.1007/s11557-012-0814-1},
pmid = {},
journal = {Mycolgical Progress},
volume = {},
number = {},
pages = {},
abstract = {Intra-specific classification of Puccinia coronata has been controversial, with previous approaches falling into three major categories: 1. A two-species system, namely Pu. coronifera and Pu. coronata; 2. The same two-species system subdivided into many formae speciales, in which the host range of each is restricted to species within one genus of Poaceae; 3. A one-species system, Pu. coronata, subdivided into a few varieties with host ranges that may overlap. To re-assess these concepts in the context of multigene analyses and comparative morphological examinations, data were generated for a comprehensive set of herbarium and recently collected specimens, representing a wide range of hosts and geographic origins. Phylogenetic analyses of a combined data set of DNA sequences for four loci (BT, COI, ITS, and RPB2) revealed a high degree of genetic variation. Morphological differences among phylogenetic lineages were overlapping but 9 lineages were differentiated using calculated means for teliospore and urediniospore length/width as well as measurements for the teliospore hilum and digitation. The taxon infecting Avena also comprises collections from a wide range of other grass hosts while other lineages, such as those on Bromus and Agrostis, were restricted in host association. Type specimen DNA sequences included in the analyses resolved the placement of 5 previously described varieties. Based on evidence of host specificity, morphology and multigene analyses, we recognized seven species, one of which was further divided into two varieties. Expanded descriptions, illustrations and a synoptic key are provided. A new series, Puccinia series Coronata, was erected to accommodate all the lineages comprising Pu. coronata sensu lato.}
}
TY - JOUR
ID - 20182
AU - Liu,Miao
AU - Hambeton,Sarah
T1 - Laying the foundation for a taxonomic review of Puccinia coronata s.l. in a phylogenetic context
PY - 2012
KW - crown rust
KW - Uredinales
KW - phylogeny
KW - cryptic species
KW - variety
UR - http://dx.doi.org/10.1007/s11557-012-0814-1
N2 - Intra-specific classification of Puccinia coronata has been controversial, with previous approaches falling into three major categories: 1. A two-species system, namely Pu. coronifera and Pu. coronata; 2. The same two-species system subdivided into many formae speciales, in which the host range of each is restricted to species within one genus of Poaceae; 3. A one-species system, Pu. coronata, subdivided into a few varieties with host ranges that may overlap. To re-assess these concepts in the context of multigene analyses and comparative morphological examinations, data were generated for a comprehensive set of herbarium and recently collected specimens, representing a wide range of hosts and geographic origins. Phylogenetic analyses of a combined data set of DNA sequences for four loci (BT, COI, ITS, and RPB2) revealed a high degree of genetic variation. Morphological differences among phylogenetic lineages were overlapping but 9 lineages were differentiated using calculated means for teliospore and urediniospore length/width as well as measurements for the teliospore hilum and digitation. The taxon infecting Avena also comprises collections from a wide range of other grass hosts while other lineages, such as those on Bromus and Agrostis, were restricted in host association. Type specimen DNA sequences included in the analyses resolved the placement of 5 previously described varieties. Based on evidence of host specificity, morphology and multigene analyses, we recognized seven species, one of which was further divided into two varieties. Expanded descriptions, illustrations and a synoptic key are provided. A new series, Puccinia series Coronata, was erected to accommodate all the lineages comprising Pu. coronata sensu lato.
L3 - 10.1007/s11557-012-0814-1
JF - Mycolgical Progress
VL -
IS -
ER -
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Citation title: "Laying the foundation for a taxonomic review of Puccinia coronata s.l. in a phylogenetic context".
651-278-5000
10.1007/s11557-012-0814-1
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