Document Detail

Molecular study of the genus Astraeus.
MedLine Citation:
PMID:  17360168     Owner:  NLM     Status:  MEDLINE    
The aim of the present work was to determine phylogenetic relationships among Astraeus species and to support macroscopic and microscopic characters of Astraeus with analysis of the ITS rDNA region. Collections of Astraeus basidiomes were made from different geographical areas in Thailand and compared with existing collections made worldwide. The marriage of observations on morphological features, including basidiospore ornamentation and molecular data demonstrated the presence of several Astraeus species. Sequences for 41 Astraeus collections were compared and the phylogenetic analyses grouped Thai Astraeus collections into two distinct groups. One contained A. odoratus and an Asian species described herein as A. asiaticus. There are at least two additional species: A. pteridis, and one so far un-named from North America. Our results show that molecular data can be used in combination with traditional morphological characteristics to resolve taxonomic uncertainties in the genus Astraeus.
Cherdchai Phosri; María P Martín; Prakitsin Sihanonth; Anthony J S Whalley; Roy Watling
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2007-01-20
Journal Detail:
Title:  Mycological research     Volume:  111     ISSN:  0953-7562     ISO Abbreviation:  Mycol. Res.     Publication Date:  2007 Mar 
Date Detail:
Created Date:  2007-04-06     Completed Date:  2007-06-22     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8913481     Medline TA:  Mycol Res     Country:  England    
Other Details:
Languages:  eng     Pagination:  275-86     Citation Subset:  IM    
Department of Sciences, Faculty of Science & Technology, Pibulsongkram Rajabhat University, Phitsanulok 65000, Thailand.
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MeSH Terms
Basidiomycota / classification*,  genetics,  ultrastructure
DNA, Fungal / genetics
DNA, Ribosomal Spacer / genetics
Microscopy, Electron, Scanning
Sequence Analysis, DNA
Species Specificity
Spores, Fungal / ultrastructure
Reg. No./Substance:
0/DNA, Fungal; 0/DNA, Ribosomal Spacer

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