Evolutionary conservation of the transcribed spacer sequences of the rDNA repeat unit in three species of the genus Aspergillus. | Zendy

Piotr Borsuk | Zendy; Marek Gniadkowski | Zendy; Robert Kucharski | Zendy; M Bisko | Zendy; Marta Kanabus | Zendy; Piotr P. Stȩpień | Zendy; Ewa Bartnik | Zendy

Open Access

Evolutionary conservation of the transcribed spacer sequences of the rDNA repeat unit in three species of the genus Aspergillus.

Author(s) -

Piotr Borsuk,

Marek Gniadkowski,

Robert Kucharski,

M Bisko,

Marta Kanabus,

Piotr P. Stȩpień,

Ewa Bartnik

Publication year - 1994

Publication title -

acta biochimica polonica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.452

H-Index - 78

eISSN - 1734-154X

pISSN - 0001-527X

DOI - 10.18388/abp.1994_4776

Subject(s) - aspergillus awamori , aspergillus nidulans , biology , aspergillus , homology (biology) , genetics , genus , internal transcribed spacer , ribosomal rna , botany , gene , biochemistry , enzyme , mutant

We have cloned and sequenced the two intervening transcribed spacers in the rDNA repeat unit of three Aspergillus species--A. nidulans, A. awamori and A. wentii. The A. wentii and A. awamori spacers are almost identical and share a high degree of homology with the A. nidulans spacers. All spacers have a high G-C content (66%-76%) and the potential of forming complex secondary structures, which may indicate that they play a role in the maturation of pre-rRNA molecules.

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