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

P. Borsuk; M. Gniadkowski; R. Kucharski; M. Bisko; M. Kanabus; P. P. Stepień; E. Bartnik

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

P. Borsuk, M. Gniadkowski, R. Kucharski, M. Bisko, M. Kanabus, P. P. Stepień, E. Bartnik

Research output: Contribution to journal › Article › peer-review

Abstract

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.

Original language	English
Pages (from-to)	73-77
Number of pages	5
Journal	Acta Biochimica Polonica
Volume	41
Issue number	1
Publication status	Published - 1 Jan 1994
Externally published	Yes

Cite this

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abstract = "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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AU - Borsuk, P.

AU - Gniadkowski, M.

AU - Kucharski, R.

AU - Bisko, M.

AU - Kanabus, M.

AU - Stepień, P. P.

AU - Bartnik, E.

PY - 1994/1/1

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N2 - 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.

AB - 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.

KW - Aspergillus

KW - rDNA

KW - intervening transcribed sequences

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SN - 0001-527X

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JO - Acta Biochimica Polonica

JF - Acta Biochimica Polonica

IS - 1

ER -

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

Abstract

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