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- Title
Intrasporal variability of ribosomal sequences in the endomycorrhizal fungus Gigaspora margarita.
- Authors
Lanfranco, L; Delpero, M; Bonfante, P
- Abstract
The sequence variability of the ribosomal internal transcribed spacer (ITS) region, which comprises the 5.8 gene and the flanking regions ITS1 and ITS2, was investigated in the arbuscular mycorrhizal fungus Gigaspora margarita. DNA analysis of a multispore preparation and three single spores led to the identification of 11 slightly different sequences (three variants within a single spore), indicating substantial intersporal and intrasporal genetic variability (up to 9% sequence divergence). The sequence variations inside a single spore may be higher than that observed between spores. Even so, primers designed on the ITS1 and ITS2 regions identified Gi. margarita isolates and detected the endophyte during colonization.
- Publication
Molecular ecology, 1999, Vol 8, Issue 1, p37
- ISSN
0962-1083
- Publication type
Journal Article
- DOI
10.1046/j.1365-294x.1999.00535.x