The major transcripts of the kinetoplast DNA of Trypanosoma brucei are very small ribosomal RNAs

I. C. Eperon; J. W.G. Janssen; J. H.J. Hoeijmakers; P. Borst

doi:10.1093/nar/11.1.105

The major transcripts of the kinetoplast DNA of Trypanosoma brucei are very small ribosomal RNAs

I. C. Eperon, J. W.G. Janssen, J. H.J. Hoeijmakers, P. Borst

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The nucleotide sequence has been determined of a 2.2 kb segment of kinetoplast DNA, which encodes the major mitochondrial transcripts (12S and 9S) of Trypanosoma brucei. The sequence shows that the 12S RNA is a large subunit rRNA, although sufficiently unusual for resistance to chloramphenicol to be predicted. The 9S RNA has little homology with other rRNAs, but a possible secondary structure is not unlike that of the 2.5-fold larger E.coli 16S rRNA. We conclude that the 12S RNA (about 1230 nucleotides) and the 9S RNA (about 640 nucleotides) are the smallest homologues of the E.coli 23S and 16S rRNAs yet observed.

Originele taal-2	Engels
Pagina's (van-tot)	105-125
Aantal pagina's	21
Tijdschrift	Nucleic Acids Research
Volume	11
Nummer van het tijdschrift	1
DOI's	https://doi.org/10.1093/nar/11.1.105
Status	Gepubliceerd - 11 jan. 1983
Extern gepubliceerd	Ja

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@article{a1b6fe4ea7984d178ade272a05414b0d,

title = "The major transcripts of the kinetoplast DNA of Trypanosoma brucei are very small ribosomal RNAs",

abstract = "The nucleotide sequence has been determined of a 2.2 kb segment of kinetoplast DNA, which encodes the major mitochondrial transcripts (12S and 9S) of Trypanosoma brucei. The sequence shows that the 12S RNA is a large subunit rRNA, although sufficiently unusual for resistance to chloramphenicol to be predicted. The 9S RNA has little homology with other rRNAs, but a possible secondary structure is not unlike that of the 2.5-fold larger E.coli 16S rRNA. We conclude that the 12S RNA (about 1230 nucleotides) and the 9S RNA (about 640 nucleotides) are the smallest homologues of the E.coli 23S and 16S rRNAs yet observed.",

author = "Eperon, {I. C.} and Janssen, {J. W.G.} and Hoeijmakers, {J. H.J.} and P. Borst",

note = "Funding Information: Acknowledgements We would like to thank F. Sanger for advice and encouragement, A.T. Bankier for communicating the optimum conditions for digestion of DNA with EcoRI* activity and H.F. Noller for communicating a possible secondary structure for the human and bovine 12S rRNAs. This work was supported in part by a grant to P.B. from the North Atlantic Treaty Organisation (NATO-559).",

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doi = "10.1093/nar/11.1.105",

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AU - Eperon, I. C.

AU - Janssen, J. W.G.

AU - Hoeijmakers, J. H.J.

AU - Borst, P.

N1 - Funding Information: Acknowledgements We would like to thank F. Sanger for advice and encouragement, A.T. Bankier for communicating the optimum conditions for digestion of DNA with EcoRI* activity and H.F. Noller for communicating a possible secondary structure for the human and bovine 12S rRNAs. This work was supported in part by a grant to P.B. from the North Atlantic Treaty Organisation (NATO-559).

PY - 1983/1/11

Y1 - 1983/1/11

N2 - The nucleotide sequence has been determined of a 2.2 kb segment of kinetoplast DNA, which encodes the major mitochondrial transcripts (12S and 9S) of Trypanosoma brucei. The sequence shows that the 12S RNA is a large subunit rRNA, although sufficiently unusual for resistance to chloramphenicol to be predicted. The 9S RNA has little homology with other rRNAs, but a possible secondary structure is not unlike that of the 2.5-fold larger E.coli 16S rRNA. We conclude that the 12S RNA (about 1230 nucleotides) and the 9S RNA (about 640 nucleotides) are the smallest homologues of the E.coli 23S and 16S rRNAs yet observed.

AB - The nucleotide sequence has been determined of a 2.2 kb segment of kinetoplast DNA, which encodes the major mitochondrial transcripts (12S and 9S) of Trypanosoma brucei. The sequence shows that the 12S RNA is a large subunit rRNA, although sufficiently unusual for resistance to chloramphenicol to be predicted. The 9S RNA has little homology with other rRNAs, but a possible secondary structure is not unlike that of the 2.5-fold larger E.coli 16S rRNA. We conclude that the 12S RNA (about 1230 nucleotides) and the 9S RNA (about 640 nucleotides) are the smallest homologues of the E.coli 23S and 16S rRNAs yet observed.

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JF - Nucleic Acids Research

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The major transcripts of the kinetoplast DNA of Trypanosoma brucei are very small ribosomal RNAs

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