科研之友
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摘要
A 747-bp tandem repeat element from the genome of the fungus Plasmopara halstedii, the causal agent of downy mildew of sunflower, was cloned and analyzed. The clone can be used as a probe to distinguish races of the pathogen. Sequence analysis of a copy of this element revealed the presence of 103 direct repeats of 6 bp or greater and two potential ORFs. This tandemly repeated element consists of four subunits that may have evolved as a result of several unequal crossing-over events.
- 出版日期1993-2-14
