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GO:0031556 transcriptional attenuation by ribosome

Term Information

ID GO:0031556
Name transcriptional attenuation by ribosome
Ontology Biological Process
Definition A type of transcriptional regulation at the level of early termination. This process can occur only in prokaryotes, where transcription of an operon into messenger RNA and translation of that mRNA into polypeptides occur simultaneously. The general principle is that alternative mRNA secondary structures occur under different physiological conditions such as available amount of a particular amino acid. One set of conditions favors early termination of transcription. In the classic example of the trp biosynthesis operon, translation of the gene for a short, trp-containing polypeptide called the trp operon leader peptide pauses either at a trp codon (if tryptophan is scarce) or the stop codon (if trp is readily available). In the former situation transcription continues, but in the latter a Rho-independent terminator forms and reduces, or attenuates, expression of the tryptophan biosynthesis genes. Although the polypeptides encoded by leader peptide genes appear not to be stable once their translation is complete, it is suggested by recent studies that their nascent polypeptide chains interact specifically with ribosomes, specific uncharged tRNAs, or other cellular components to inhibit release at the stop codon and improve the function of transcriptional attenuation as a regulatory switch.
GONUTS GO:0031556 Wiki Page

Synonyms

Synonyms are alternative words or phrases closely related in meaning to the term name, with indication of the relationship between the name and synonym given by the synonym scope. Click on the icon for more details.
Type Synonym
exact ribosome-mediated transcriptional attenuation

Annotation Guidance

Usage of this term is subject to the following annotation guidelines:
Annotation Guidelines
Annotating to transcription processesLink

Cross-references

Database ID
InterPro IPR011720
InterPro IPR012620

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Co-occurring Terms

These tables show the number of times the term listed in the table has been co-annotated with GO:0031556. The terms are listed in descending order of number of times the term has been co-annotated.
The table on the left is calculated using both electronic and manual-evidenced annotations, while the table on the right is calculated using only manual-evidenced annotations.
Co-occurrence statistics for GO:0031556 based on the entire annotation set Co-occurrence statistics for GO:0031556 based on non-IEA annotations only

Change Log

All changes

Timestamp Action Category Detail
2010-08-15 Deleted SYNONYM ribosome-mediated transcriptional
2010-08-15 Added SYNONYM ribosome-mediated transcriptional attenuation
2008-10-02 Deleted DEFINITION A type of transcriptional regulation at the level of early termination. This process can occur only in prokaryotes, where transcription of an operon into messenger RNA and translation of that mRNA into polypeptides occur simultaneously. The general principle is that alternative mRNA secondary structures occur under different physiological conditions such as availabe amount of a particular amino acid. One set of conditions favors early termination of transcription. In the classic example of the trp biosynthesis operon, translation of the gene for a short, trp-containing polypeptide called the trp operon leader peptide pauses either at a trp codon (if tryptophan is scarce) or the stop codon (if trp is readily available). In the former situation transcription continues, but in the latter a Rho-independent terminator forms and reduces, or attenuates, expression of the tryptophan biosynthesis genes. Although the polypeptides encoded by leader peptide genes appear not to be stable once their translation is complete, it is suggested by recent studies that their nascent polypeptide chains interact specifically with ribosomes, specific uncharged tRNAs, or other cellular components to inhibit release at the stop codon and improve the function of transcriptional attenuation as a regulatory switch.
2008-10-02 Added DEFINITION A type of transcriptional regulation at the level of early termination. This process can occur only in prokaryotes, where transcription of an operon into messenger RNA and translation of that mRNA into polypeptides occur simultaneously. The general principle is that alternative mRNA secondary structures occur under different physiological conditions such as available amount of a particular amino acid. One set of conditions favors early termination of transcription. In the classic example of the trp biosynthesis operon, translation of the gene for a short, trp-containing polypeptide called the trp operon leader peptide pauses either at a trp codon (if tryptophan is scarce) or the stop codon (if trp is readily available). In the former situation transcription continues, but in the latter a Rho-independent terminator forms and reduces, or attenuates, expression of the tryptophan biosynthesis genes. Although the polypeptides encoded by leader peptide genes appear not to be stable once their translation is complete, it is suggested by recent studies that their nascent polypeptide chains interact specifically with ribosomes, specific uncharged tRNAs, or other cellular components to inhibit release at the stop codon and improve the function of transcriptional attenuation as a regulatory switch.
2008-05-13 Added DEFINITION A type of transcriptional regulation at the level of early termination. This process can occur only in prokaryotes, where transcription of an operon into messenger RNA and translation of that mRNA into polypeptides occur simultaneously. The general principle is that alternative mRNA secondary structures occur under different physiological conditions such as availabe amount of a particular amino acid. One set of conditions favors early termination of transcription. In the classic example of the trp biosynthesis operon, translation of the gene for a short, trp-containing polypeptide called the trp operon leader peptide pauses either at a trp codon (if tryptophan is scarce) or the stop codon (if trp is readily available). In the former situation transcription continues, but in the latter a Rho-independent terminator forms and reduces, or attenuates, expression of the tryptophan biosynthesis genes. Although the polypeptides encoded by leader peptide genes appear not to be stable once their translation is complete, it is suggested by recent studies that their nascent polypeptide chains interact specifically with ribosomes, specific uncharged tRNAs, or other cellular components to inhibit release at the stop codon and improve the function of transcriptional attenuation as a regulatory switch.
2008-05-12 Deleted DEFINITION A type of transcriptional regulation at the level of early termination. This process can occur only in prokaryotes, where transcription of an operon into messenger RNA and translation of that mRNA into polypeptides occur simultaneously. The general principle is that alternative mRNA secondary structures occur under different physiological conditions such as availabe amount of a particular amino acid. One set of conditions favors early termination of transcription. In the classic example of the trp biosynthesis operon, translation of the gene for a short, trp-containing polypeptide called the trp operon leader peptide pauses either at a trp codon (if tryptophan is scarce) or the stop codon (if trp is readily available). In the former situation transcription continues, but in the latter a Rho-independent terminator forms and reduces, or attenuates, expression of the tryptophan biosynthesis genes. Although the polypeptides encoded by leader peptide genes appear not to be stable once their translation is complete, it is suggested by recent studies that their nascent polypeptide chains interact specifically with ribosomes, specific uncharged tRNAs, or other cellular components to inhibit release at the stop codon and improve the function of transcriptional attenuation as a regulatory switch.
2008-04-01 Updated RELATION is a GO:0031555 (transcriptional attenuation)
2008-03-06 Added SYNONYM ribosome-mediated transcriptional
2008-03-06 Updated TERM transcriptional attenuation by ribosome
2006-11-07 Updated DEFINITION A type of transcriptional regulation at the level of early termination. This process can occur only in prokaryotes, where transcription of an operon into messenger RNA and translation of that mRNA into polypeptides occur simultaneously. The general principle is that alternative mRNA secondary structures occur under different physiological conditions such as availabe amount of a particular amino acid. One set of conditions favors early termination of transcription. In the classic example of the trp biosynthesis operon, translation of the gene for a short, trp-containing polypeptide called the trp operon leader peptide pauses either at a trp codon (if tryptophan is scarce) or the stop codon (if trp is readily available). In the former situation transcription continues, but in the latter a Rho-independent terminator forms and reduces, or attenuates, expression of the tryptophan biosynthesis genes. Although the polypeptides encoded by leader peptide genes appear not to be stable once their translation is complete, it is suggested by recent studies that their nascent polypeptide chains interact specifically with ribosomes, specific uncharged tRNAs, or other cellular components to inhibit release at the stop codon and improve the function of transcriptional attenuation as a regulatory switch.
2006-04-14 Updated DEFINITION A type of transcriptional regulation at the level of early termination. This process can occur only in prokaryotes, where transcription of an operon into messenger RNA and translation of that mRNA into polypeptides occur simultaneously. The general principle is that alternative mRNA secondary structures occur under different physiological conditions such as high vs. low availability of a particular amino acid. One set of conditions favors early termination of transcription. In the classic example of the trp biosynthesis operon, translation of the gene for a short, trp-containing polypeptide called the trp operon leader peptide pauses either at a trp codon (if tryptophan is scarce) or the stop codon (if trp is readily available). In the former situation transcription continues, but in the latter a Rho-independent terminator forms and reduces, or attenuates, expression of the tryptophan biosynthesis genes. Although the polypeptides encoded by leader peptide genes appear not to be stable once their translation is complete, it is suggested by recent studies that their nascent polypeptide chains interact specifically with ribosomes, specific uncharged tRNAs, or other cellular components to inhibit release at the stop codon and improve the function of transcriptional attenuation as a regulatory switch.
2005-11-30 Updated DEFINITION A type of transcriptional regulation at the level of early termination. This process can occur only in prokaryotes, where transcription of an operon into messenger RNA and translation of that mRNA into polypeptides occur simultaneously. The general principle is that alternative mRNA secondary structures occur under different physiological conditions such as high vs. low availability of a particular amino acid. One set of conditions favors early termination of transcription. In the classic example of the trp biosynthesis operon, translation of the gene for a short, trp-containing polypeptide called the trp operon leader peptide pauses either at a trp codon (if tryptophan is scarce) or the stop codon (if trp is readily available). In the former situation transcription continues, but in the latter a Rho-independent terminator forms and reduces, or "attenuates", expression of the tryptophan biosynthesis genes. Although the polypeptides encoded by leader peptide genes appear not to be stable once their translation is complete, it is suggested by recent studies that their nascent polypeptide chains interact specifically with ribosomes, specific uncharged tRNAs, or other cellular components to inhibit release at the stop codon and improve the function of transcriptional attenuation as a regulatory switch.
2005-07-29 Added TERM ribosome-mediated transcriptional attenuation
2005-07-29 Added DEFINITION A type of transcriptional regulation at the level of early termination. This process can occur only in prokaryotes, where transcription of an operon into messenger RNA and translation of that mRNA into polypeptides occur simultaneously. The general principle is that alternative mRNA secondary structures occur under different physiological conditions such as high vs. low availability of a particular amino acid. One set of conditions favors early termination of transcription. In the classic example of the trp biosynthesis operon, translation of the gene for a short, trp-containing polypeptide called the trp operon leader peptide pauses either at a trp codon (if tryptophan is scarce) or the stop codon (if trp is readily available). In the former situation transcription continues, but in the latter a Rho-independent terminator forms and reduces, or "attenuates," expression of the tryptophan biosynthesis genes. Although the polypeptides encoded by leader peptide genes appear not to be stable once their translation is complete, it is suggested by recent studies that their nascent polypeptide chains interact specifically with ribosomes, specific uncharged tRNAs, or other cellular components to inhibit release at the stop codon and improve the function of transcriptional attenuation as a regulatory switch.

Term

Timestamp Action Category Detail
2008-03-06 Updated TERM transcriptional attenuation by ribosome
2005-07-29 Added TERM ribosome-mediated transcriptional attenuation

Definition/synonyms

Timestamp Action Category Detail
2010-08-15 Deleted SYNONYM ribosome-mediated transcriptional
2010-08-15 Added SYNONYM ribosome-mediated transcriptional attenuation
2008-10-02 Deleted DEFINITION A type of transcriptional regulation at the level of early termination. This process can occur only in prokaryotes, where transcription of an operon into messenger RNA and translation of that mRNA into polypeptides occur simultaneously. The general principle is that alternative mRNA secondary structures occur under different physiological conditions such as availabe amount of a particular amino acid. One set of conditions favors early termination of transcription. In the classic example of the trp biosynthesis operon, translation of the gene for a short, trp-containing polypeptide called the trp operon leader peptide pauses either at a trp codon (if tryptophan is scarce) or the stop codon (if trp is readily available). In the former situation transcription continues, but in the latter a Rho-independent terminator forms and reduces, or attenuates, expression of the tryptophan biosynthesis genes. Although the polypeptides encoded by leader peptide genes appear not to be stable once their translation is complete, it is suggested by recent studies that their nascent polypeptide chains interact specifically with ribosomes, specific uncharged tRNAs, or other cellular components to inhibit release at the stop codon and improve the function of transcriptional attenuation as a regulatory switch.
2008-10-02 Added DEFINITION A type of transcriptional regulation at the level of early termination. This process can occur only in prokaryotes, where transcription of an operon into messenger RNA and translation of that mRNA into polypeptides occur simultaneously. The general principle is that alternative mRNA secondary structures occur under different physiological conditions such as available amount of a particular amino acid. One set of conditions favors early termination of transcription. In the classic example of the trp biosynthesis operon, translation of the gene for a short, trp-containing polypeptide called the trp operon leader peptide pauses either at a trp codon (if tryptophan is scarce) or the stop codon (if trp is readily available). In the former situation transcription continues, but in the latter a Rho-independent terminator forms and reduces, or attenuates, expression of the tryptophan biosynthesis genes. Although the polypeptides encoded by leader peptide genes appear not to be stable once their translation is complete, it is suggested by recent studies that their nascent polypeptide chains interact specifically with ribosomes, specific uncharged tRNAs, or other cellular components to inhibit release at the stop codon and improve the function of transcriptional attenuation as a regulatory switch.
2008-05-13 Added DEFINITION A type of transcriptional regulation at the level of early termination. This process can occur only in prokaryotes, where transcription of an operon into messenger RNA and translation of that mRNA into polypeptides occur simultaneously. The general principle is that alternative mRNA secondary structures occur under different physiological conditions such as availabe amount of a particular amino acid. One set of conditions favors early termination of transcription. In the classic example of the trp biosynthesis operon, translation of the gene for a short, trp-containing polypeptide called the trp operon leader peptide pauses either at a trp codon (if tryptophan is scarce) or the stop codon (if trp is readily available). In the former situation transcription continues, but in the latter a Rho-independent terminator forms and reduces, or attenuates, expression of the tryptophan biosynthesis genes. Although the polypeptides encoded by leader peptide genes appear not to be stable once their translation is complete, it is suggested by recent studies that their nascent polypeptide chains interact specifically with ribosomes, specific uncharged tRNAs, or other cellular components to inhibit release at the stop codon and improve the function of transcriptional attenuation as a regulatory switch.
2008-05-12 Deleted DEFINITION A type of transcriptional regulation at the level of early termination. This process can occur only in prokaryotes, where transcription of an operon into messenger RNA and translation of that mRNA into polypeptides occur simultaneously. The general principle is that alternative mRNA secondary structures occur under different physiological conditions such as availabe amount of a particular amino acid. One set of conditions favors early termination of transcription. In the classic example of the trp biosynthesis operon, translation of the gene for a short, trp-containing polypeptide called the trp operon leader peptide pauses either at a trp codon (if tryptophan is scarce) or the stop codon (if trp is readily available). In the former situation transcription continues, but in the latter a Rho-independent terminator forms and reduces, or attenuates, expression of the tryptophan biosynthesis genes. Although the polypeptides encoded by leader peptide genes appear not to be stable once their translation is complete, it is suggested by recent studies that their nascent polypeptide chains interact specifically with ribosomes, specific uncharged tRNAs, or other cellular components to inhibit release at the stop codon and improve the function of transcriptional attenuation as a regulatory switch.
2008-03-06 Added SYNONYM ribosome-mediated transcriptional
2006-11-07 Updated DEFINITION A type of transcriptional regulation at the level of early termination. This process can occur only in prokaryotes, where transcription of an operon into messenger RNA and translation of that mRNA into polypeptides occur simultaneously. The general principle is that alternative mRNA secondary structures occur under different physiological conditions such as availabe amount of a particular amino acid. One set of conditions favors early termination of transcription. In the classic example of the trp biosynthesis operon, translation of the gene for a short, trp-containing polypeptide called the trp operon leader peptide pauses either at a trp codon (if tryptophan is scarce) or the stop codon (if trp is readily available). In the former situation transcription continues, but in the latter a Rho-independent terminator forms and reduces, or attenuates, expression of the tryptophan biosynthesis genes. Although the polypeptides encoded by leader peptide genes appear not to be stable once their translation is complete, it is suggested by recent studies that their nascent polypeptide chains interact specifically with ribosomes, specific uncharged tRNAs, or other cellular components to inhibit release at the stop codon and improve the function of transcriptional attenuation as a regulatory switch.
2006-04-14 Updated DEFINITION A type of transcriptional regulation at the level of early termination. This process can occur only in prokaryotes, where transcription of an operon into messenger RNA and translation of that mRNA into polypeptides occur simultaneously. The general principle is that alternative mRNA secondary structures occur under different physiological conditions such as high vs. low availability of a particular amino acid. One set of conditions favors early termination of transcription. In the classic example of the trp biosynthesis operon, translation of the gene for a short, trp-containing polypeptide called the trp operon leader peptide pauses either at a trp codon (if tryptophan is scarce) or the stop codon (if trp is readily available). In the former situation transcription continues, but in the latter a Rho-independent terminator forms and reduces, or attenuates, expression of the tryptophan biosynthesis genes. Although the polypeptides encoded by leader peptide genes appear not to be stable once their translation is complete, it is suggested by recent studies that their nascent polypeptide chains interact specifically with ribosomes, specific uncharged tRNAs, or other cellular components to inhibit release at the stop codon and improve the function of transcriptional attenuation as a regulatory switch.
2005-11-30 Updated DEFINITION A type of transcriptional regulation at the level of early termination. This process can occur only in prokaryotes, where transcription of an operon into messenger RNA and translation of that mRNA into polypeptides occur simultaneously. The general principle is that alternative mRNA secondary structures occur under different physiological conditions such as high vs. low availability of a particular amino acid. One set of conditions favors early termination of transcription. In the classic example of the trp biosynthesis operon, translation of the gene for a short, trp-containing polypeptide called the trp operon leader peptide pauses either at a trp codon (if tryptophan is scarce) or the stop codon (if trp is readily available). In the former situation transcription continues, but in the latter a Rho-independent terminator forms and reduces, or "attenuates", expression of the tryptophan biosynthesis genes. Although the polypeptides encoded by leader peptide genes appear not to be stable once their translation is complete, it is suggested by recent studies that their nascent polypeptide chains interact specifically with ribosomes, specific uncharged tRNAs, or other cellular components to inhibit release at the stop codon and improve the function of transcriptional attenuation as a regulatory switch.
2005-07-29 Added DEFINITION A type of transcriptional regulation at the level of early termination. This process can occur only in prokaryotes, where transcription of an operon into messenger RNA and translation of that mRNA into polypeptides occur simultaneously. The general principle is that alternative mRNA secondary structures occur under different physiological conditions such as high vs. low availability of a particular amino acid. One set of conditions favors early termination of transcription. In the classic example of the trp biosynthesis operon, translation of the gene for a short, trp-containing polypeptide called the trp operon leader peptide pauses either at a trp codon (if tryptophan is scarce) or the stop codon (if trp is readily available). In the former situation transcription continues, but in the latter a Rho-independent terminator forms and reduces, or "attenuates," expression of the tryptophan biosynthesis genes. Although the polypeptides encoded by leader peptide genes appear not to be stable once their translation is complete, it is suggested by recent studies that their nascent polypeptide chains interact specifically with ribosomes, specific uncharged tRNAs, or other cellular components to inhibit release at the stop codon and improve the function of transcriptional attenuation as a regulatory switch.

Relationships

Timestamp Action Category Detail
2008-04-01 Updated RELATION is a GO:0031555 (transcriptional attenuation)
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