A Molecular Phylogeny of Phytophthora and Related Oomycetes

Cooke, D. E. L., Drenth, A., Duncan, J. M., Wagels, G. and Brasier, C. M. (2000) A Molecular Phylogeny of Phytophthora and Related Oomycetes. Fungal Genetics and Biology, 30 1: 17-32. doi:10.1006/fgbi.2000.1202

Author Cooke, D. E. L.
Drenth, A.
Duncan, J. M.
Wagels, G.
Brasier, C. M.
Title A Molecular Phylogeny of Phytophthora and Related Oomycetes
Journal name Fungal Genetics and Biology   Check publisher's open access policy
ISSN 1087-1845
Publication date 2000
Sub-type Article (original research)
DOI 10.1006/fgbi.2000.1202
Volume 30
Issue 1
Start page 17
End page 32
Total pages 16
Place of publication USA
Publisher Academic Press
Collection year 2000
Language eng
Subject C1
270207 Quantitative Genetics
620200 Horticultural Crops
Abstract Phylogenetic relationships among 50 Phytophthora species and between Phytophthora and other oomycetes were examined on the basis of the ITS sequences of genomic rDNA. Phytophthora grouped with Pythium, Peronospora, and Halophytophthora, distant from genera in the Saprolegniales. Albugo was intermediate between these two groups, Unlike Pythium, Phytophthora was essentially monophyletic, all but three species forming a cluster of eight clades, Two clades contained only species with nonpapillate sporangia, The other six clades included either papillate and semipapillate, or semipapillate and nonpapillate types, transcending traditional morphological groupings, which are evidently not natural assemblages, Peronospora was related to P, megakarya and P, palmivora and appears to be derived from a Phytophthora that has both lost the ability to produce zoospores and become an obligate biotroph, Three other Phytophthoras located some distance from the main Phytophthora-Peronospora cluster probably represent one or more additional genera, (C) 2000 Academic Press.
Keyword Genetics & Heredity
Internal Transcribed Spacers
Ribosomal-subunit Rna
Evolutionary Biology
Concerted Evolution
Taxonomic Structure
Tree Topologies
Q-Index Code C1

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Biological Sciences Publications
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Created: Tue, 10 Jun 2008, 13:11:56 EST