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A group I intron-like sequence in the nuclear small ribosomal subunit gene of the ophiostomatoid fungus Gondwanamyces proteae

Published online by Cambridge University Press:  28 January 2004

Ewan A. GIBB  and
Georg HAUSNER
Ewan A. GIBB
Affiliation:
Department of Microbiology, University of Manitoba, Winnipeg, Manitoba R3T 2N2, Canada. E-mail: [email protected]
Georg HAUSNER
Affiliation:
Department of Microbiology, University of Manitoba, Winnipeg, Manitoba R3T 2N2, Canada. E-mail: [email protected]
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Abstract

During a phylogenetic study of ophiostomatoid fungi, a group I intron-like sequence was noted in the SSU rDNA gene of Gondwanamyces proteae. Secondary structure and sequence characteristics assigned the intron to the I E class. We then examined 27 related Group I-like sequences deposited in GenBank, and as a result 15 additional and previously uncategorized I E rDNA introns were identified. This study, with other recent publications, suggests that the I E class might represent a major family of group I introns that are located within the nuclear SSU and, to some extent LSU, genes in fungi.

Type
Research Article
Information
Mycological Research , Volume 107 , Issue 12 , December 2003 , pp. 1442 - 1450
Copyright
© The British Mycological Society 2003

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