Circular chromosomal DNA in the sulfur-dependent archaebacterium Sulfolobus acidocaldarius.
AUTOR(ES)
Yamagishi, A
RESUMO
The shape of the chromosomal DNA of the sulfur-dependent archaebacterium Sulfolobus acidocaldarius was analyzed by the pulsed-field gel electrophoresis(PFGE). S.acidocaldarius DNA digested with Notl showed two DNA bands at around 1.0 Mbp and 2.1 Mbp. Notl-linking clones were isolated from the library of S.acidocaldarius chromosomal DNA. It contained two Notl sites. Both 1.0 and 2.1 Mbp DNA band separated by PFGE were hybridized with the two independent Notl-linking fragment. Each right and left arms of two Notl-linking fragments were hybridized with one of the two DNA bands separated by PFGE. The results indicated that the chromosomal DNA of S.acidocaldarius is circular.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=330426Documentos Relacionados
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