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Faculty of Humanities and Social Sciences
Phone number: +44 (0) 1865 484347/488368
Location: Tonge Building (T204)
As Faculty Research Manager, I am the support lead for the Faculty systems and processes that implement our research and knowledge exchange strategies.
This includes, but is not limited to:
There is no published evidence directly supporting the suggestion that long-spored isolates of Verticillium dahliae are interspecific hybrids. Retention in the nuclear genome of long-spored (amphihaploid) isolates of two sequence types where non-hybrid short-spored (haploid) isolates carry only single sequence types would provide such evidence. PCR amplicons for a partial beta-tubulin gene and a 5S rRNA-associated sequence were cloned and sequenced to provide multiple sequences for individual isolates. For the 5S rRNA sequence, two sequence types were found for long-spored isolates, but only one for the haploid isolates. For the beta-tubulin gene, two or three sequence types were found in long-spored isolates, but only one in most haploid isolates. One haploid isolate gave two sequence types, one like that from the other haploid isolates and the second like the short-sequence type from some long-spored isolates. These results support the long-spored isolates being interspecific hybrids between a 'parental' species similar to V. dahliae (haploid) and an unidentified second species. The presence of a sequence type in some long-spored isolates similar to that in one haploid isolate suggests a third 'parental' species may have been involved, possibly via a short-spored isolate that was itself hybrid.
Faculty Intranet:Research and Knowledge Exchange