TreeBASE Search-Trees for study 12996

@ARTICLE{TreeBASE2Ref21718, author = {Jan Hendrik Nagel and Marieka Gryzenhout and Bernard Slippers and Michael J Wingfield and Giles E. St.J. Hardy and Mike Stukely and Treena I Burgess}, title = {Characterization of Phytophthora hybrids from ITS clade 6 associated with riparian ecosystems in South Africa and Australia}, year = {2013}, keywords = {Phytophthora; ITS; coxI; Interspecific hybridization; Recombination}, doi = {}, url = {http://}, pmid = {}, journal = {Fungal Biology}, volume = {}, number = {}, pages = {}, abstract = {Surveys of Australian and South African rivers revealed numerous isolates of Phytophthora spp. residing in Clade 6 of the genus, which had ITS gene regions that were either highly polymorphic or unsequenceable. These isolates were suspected to be hybrids. Three nuclear loci, the ITS region, two single copy loci (ASF and GPA) and one mitochondrial locus (coxI) were amplified and sequenced to validate this hypothesis. Abundant recombination within the ITS region was observed. This, combined with phylogenetic comparisons of the other three loci, confirmed the presence of four distinct hybrids involving the three known parental species P. amnicola, P. thermophila and P. taxon PgChlamydo. In all cases, only a single coxI allele was obtained suggesting that hybrids arose from sexual recombination. The hybrid species were sterile in culture and had physiological traits similar to those of the maternal parents. Nothing is known regarding the host range or pathogenicity of these hybrids, but several isolates from Western Australia were obtained from the rhizosphere soil of dying plants. Regardless of the unknown pathogenicity of these hybrids, they should be regarded as potential threats. Their serendipitous and simultaneous discovery on two continents is intriguing yet their broad geographic distribution, frequent occurrence and their presence together with their parental strains in Australia strongly suggests an origin in this country. } }

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Trees for Study 12996

Citation title: "Characterization of Phytophthora hybrids from ITS clade 6 associated with riparian ecosystems in South Africa and Australia".

Study name: "Characterization of Phytophthora hybrids from ITS clade 6 associated with riparian ecosystems in South Africa and Australia".

This study is part of submission 12996 (Status: Published).

Trees

ID	Tree Label	Tree Title	Tree Type	Tree Kind	Taxa
Tr55105	ASF-like MP 1	Phytophthora hybrids	Single	Species Tree	View Taxa
Tr55218	GPA1 MP 1	Phytophthora hybrids	Single	Species Tree	View Taxa
Tr55110	ASF-like MP bootstrap	Phytophthora hybrids	Single	Species Tree	View Taxa
Tr55221	GPA1 MP 4	Phytophthora hybrids ASF-updated	Single	Species Tree	View Taxa
Tr55224	coxI MP 1	Phytophthora hybrids	Single	Species Tree	View Taxa
Tr55222	GPA1 Bayesian inference	Phytophthora hybrids	Single	Species Tree	View Taxa
Tr55219	GPA1 MP 2	Phytophthora hybrids COX	Single	Species Tree	View Taxa
Tr55217	GPA1 MP bootstrap consensus	Phytophthora hybrids	Single	Species Tree	View Taxa
Tr55109	ASF-like MP 5	Phytophthora hybrids	Single	Species Tree	View Taxa
Tr55107	ASF-like MP 3	Phytophthora hybrids COX	Single	Species Tree	View Taxa
Tr55103	ASF-like Bayesian inference	Phytophthora hybrids ASF-updated	Consensus	Species Tree	View Taxa
Tr55225	CoxI Bayesian inference	Phytophthora hybrids	Consensus	Species Tree	View Taxa
Tr55106	ASF-like MP 2	Phytophthora hybrids GPA	Single	Species Tree	View Taxa
Tr55108	ASF-like MP 4	Phytophthora hybrids	Single	Species Tree	View Taxa
Tr55223	coxI MP bootstrap consensus	Phytophthora hybrids	Single	Species Tree	View Taxa
Tr55220	GPA1 MP 3	Phytophthora hybrids GPA	Single	Species Tree	View Taxa