Format

Send to

Choose Destination
Yeast. 1993 Jan;9(1):53-8.

Yeasts have a four-fold variation in ribosomal DNA copy number.

Author information

1
Molecular & Population Genetics Group, Research School of Biological Sciences, Australian National University, Canberra.

Abstract

By employing pulsed-field gel electrophoresis we have determined the size of the rDNA cluster in wild-type yeast strains representing genera of Candida, Kluyveromyces, Pachysolen, Schizosaccharomyces and Torulaspora. Although the genome size of the examined species is similar (12.3-13.9 Mb), at least a four-fold variation has been observed between the lowest amount of rDNA repeats in P. tannophilus (28) and the highest in C. glabrata and S. poombe (> 115). In two species the rDNA cluster is represented by two loci, residing either in one (S. pombe) or two chromosomes (C. glabrata).

PMID:
8442387
DOI:
10.1002/yea.320090107
[Indexed for MEDLINE]

Supplemental Content

Loading ...
Support Center