Molecular Structure of rDNA Repeat Unit inMagnaporthe grisea
Author(s) -
Teruo Sone,
Satoru Fukiya,
Megumi KODAMA,
Fusao Tomita
Publication year - 2000
Publication title -
bioscience biotechnology and biochemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.509
H-Index - 116
eISSN - 1347-6947
pISSN - 0916-8451
DOI - 10.1271/bbb.64.1733
Subject(s) - cistron , biology , ribosomal dna , genetics , intergenic region , repeated sequence , tandem repeat , ribosomal rna , evolutionary biology , gene , phylogenetics , genome , escherichia coli
The 8-kb repeat unit of M. grisea rRNA-encoding DNA (rDNA) was cloned as three subclones, pM50, pM21, and pM86. Nucleotide sequencing of these subclones uncovered the structure of an rDNA repeat unit similar to those of other ascomycetes. The intergenic spacer (IGS) of the rDNA cistron contained a repetitive (R) region, which was rich in two kinds of short tandemly repeated elements.
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