Mutations in the gene for EF-G reduce the requirement for 4.5S RNA in the growth of E. coli

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Standard

Mutations in the gene for EF-G reduce the requirement for 4.5S RNA in the growth of E. coli. / Brown, S.

In: Cell, Vol. 49, No. 6, 1987, p. 825-33.

Research output: Contribution to journalJournal articleResearchpeer-review

Harvard

Brown, S 1987, 'Mutations in the gene for EF-G reduce the requirement for 4.5S RNA in the growth of E. coli', Cell, vol. 49, no. 6, pp. 825-33.

APA

Brown, S. (1987). Mutations in the gene for EF-G reduce the requirement for 4.5S RNA in the growth of E. coli. Cell, 49(6), 825-33.

Vancouver

Brown S. Mutations in the gene for EF-G reduce the requirement for 4.5S RNA in the growth of E. coli. Cell. 1987;49(6):825-33.

Author

Brown, S. / Mutations in the gene for EF-G reduce the requirement for 4.5S RNA in the growth of E. coli. In: Cell. 1987 ; Vol. 49, No. 6. pp. 825-33.

Bibtex

@article{e69e4ac0d29011dd9473000ea68e967b,
title = "Mutations in the gene for EF-G reduce the requirement for 4.5S RNA in the growth of E. coli",
abstract = "A general strategy is described for the isolation of suppressors of essential genes whose functions are unknown. This strategy was used to analyze the role of 4.5S RNA, an essential RNA of E. coli. In this strategy, the structural gene for 4.5S RNA is fused to the Ptac promoter in such a way that the strain becomes dependent upon inducers of lac for growth. Mutants mapping to fus, the structural gene for protein synthesis elongation factor G, appear as spontaneous, inducer-independent revertants. These mutants alter the intracellular distribution of 4.5S RNA such that it sediments at 70S or greater. Furthermore, the increased sedimentation velocity is sensitive to the antibiotic puromycin. These results show that 4.5S RNA physically associates with the ribosome in performing its essential function, and that this association is mediated by elongation factor G.",
author = "S Brown",
note = "Keywords: Chromosome Mapping; Escherichia coli; Mutation; Peptide Elongation Factor G; Peptide Elongation Factors; Protein Biosynthesis; RNA, Bacterial; Ribosomes; Suppression, Genetic",
year = "1987",
language = "English",
volume = "49",
pages = "825--33",
journal = "Cell",
issn = "0092-8674",
publisher = "Cell Press",
number = "6",

}

RIS

TY - JOUR

T1 - Mutations in the gene for EF-G reduce the requirement for 4.5S RNA in the growth of E. coli

AU - Brown, S

N1 - Keywords: Chromosome Mapping; Escherichia coli; Mutation; Peptide Elongation Factor G; Peptide Elongation Factors; Protein Biosynthesis; RNA, Bacterial; Ribosomes; Suppression, Genetic

PY - 1987

Y1 - 1987

N2 - A general strategy is described for the isolation of suppressors of essential genes whose functions are unknown. This strategy was used to analyze the role of 4.5S RNA, an essential RNA of E. coli. In this strategy, the structural gene for 4.5S RNA is fused to the Ptac promoter in such a way that the strain becomes dependent upon inducers of lac for growth. Mutants mapping to fus, the structural gene for protein synthesis elongation factor G, appear as spontaneous, inducer-independent revertants. These mutants alter the intracellular distribution of 4.5S RNA such that it sediments at 70S or greater. Furthermore, the increased sedimentation velocity is sensitive to the antibiotic puromycin. These results show that 4.5S RNA physically associates with the ribosome in performing its essential function, and that this association is mediated by elongation factor G.

AB - A general strategy is described for the isolation of suppressors of essential genes whose functions are unknown. This strategy was used to analyze the role of 4.5S RNA, an essential RNA of E. coli. In this strategy, the structural gene for 4.5S RNA is fused to the Ptac promoter in such a way that the strain becomes dependent upon inducers of lac for growth. Mutants mapping to fus, the structural gene for protein synthesis elongation factor G, appear as spontaneous, inducer-independent revertants. These mutants alter the intracellular distribution of 4.5S RNA such that it sediments at 70S or greater. Furthermore, the increased sedimentation velocity is sensitive to the antibiotic puromycin. These results show that 4.5S RNA physically associates with the ribosome in performing its essential function, and that this association is mediated by elongation factor G.

M3 - Journal article

C2 - 2438050

VL - 49

SP - 825

EP - 833

JO - Cell

JF - Cell

SN - 0092-8674

IS - 6

ER -

ID: 9298329