tmRNA is essential in Shigella flexneri
Nonstop mRNAs pose a challenge for bacteria, because translation cannot terminate efficiently without a stop codon. The trans-translation pathway resolves nonstop translation complexes by removing the nonstop mRNA, the incomplete protein, and the stalled ribosome. P1 co-transduction experiments demo...
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description | Nonstop mRNAs pose a challenge for bacteria, because translation cannot terminate efficiently without a stop codon. The trans-translation pathway resolves nonstop translation complexes by removing the nonstop mRNA, the incomplete protein, and the stalled ribosome. P1 co-transduction experiments demonstrated that tmRNA, a key component of the trans-translation pathway, is essential for viability in Shigella flexneri. tmRNA was previously shown to be dispensable in the closely related species Escherichia coli, because E. coli contains a backup system for trans-translation mediated by the alternative release factor ArfA. Genome sequence analysis showed that S. flexneri does not have a gene encoding ArfA. E. coli ArfA could suppress the requirement for tmRNA in S. flexneri, indicating that tmRNA is essential in S. flexneri because there is no functional backup system. These data suggest that resolution of nonstop translation complexes is required for most bacteria. |
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The trans-translation pathway resolves nonstop translation complexes by removing the nonstop mRNA, the incomplete protein, and the stalled ribosome. P1 co-transduction experiments demonstrated that tmRNA, a key component of the trans-translation pathway, is essential for viability in Shigella flexneri. tmRNA was previously shown to be dispensable in the closely related species Escherichia coli, because E. coli contains a backup system for trans-translation mediated by the alternative release factor ArfA. Genome sequence analysis showed that S. flexneri does not have a gene encoding ArfA. E. coli ArfA could suppress the requirement for tmRNA in S. flexneri, indicating that tmRNA is essential in S. flexneri because there is no functional backup system. These data suggest that resolution of nonstop translation complexes is required for most bacteria.</description><identifier>ISSN: 1932-6203</identifier><identifier>EISSN: 1932-6203</identifier><identifier>DOI: 10.1371/journal.pone.0057537</identifier><identifier>PMID: 23451240</identifier><language>eng</language><publisher>United States: Public Library of Science</publisher><subject>Bacteria ; Bacterial Proteins - biosynthesis ; Bacterial Proteins - genetics ; Biochemistry ; Biology ; Cloning ; Codon, Terminator ; Codons ; Deoxyribonucleic acid ; DNA ; E coli ; Escherichia coli ; Escherichia coli - genetics ; Escherichia coli - metabolism ; Genes ; Genetic engineering ; Genomes ; Genomics ; Laboratories ; Medicine ; Messenger RNA ; Molecular biology ; mRNA ; Nucleotide sequence ; Polypeptides ; Protein Biosynthesis ; Proteins ; RNA, Bacterial - genetics ; Shigella ; Shigella flexneri - genetics ; Shigella flexneri - metabolism ; Stop codon ; TmRNA ; Translation ; Viability</subject><ispartof>PloS one, 2013-02, Vol.8 (2), p.e57537-e57537</ispartof><rights>COPYRIGHT 2013 Public Library of Science</rights><rights>2013 Ramadoss et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License: https://creativecommons.org/licenses/by/4.0/ (the “License”), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><rights>2013 Ramadoss et al 2013 Ramadoss et al</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c692t-2f4a54d8359dfe7f31598507d2fd6b895a3812f6e9472bbfe0fe3c770ae525ef3</citedby><cites>FETCH-LOGICAL-c692t-2f4a54d8359dfe7f31598507d2fd6b895a3812f6e9472bbfe0fe3c770ae525ef3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC3581467/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC3581467/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,727,780,784,864,885,2102,2928,23866,27924,27925,53791,53793,79600,79601</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/23451240$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><contributor>Herman, Christophe</contributor><creatorcontrib>Ramadoss, Nitya S</creatorcontrib><creatorcontrib>Zhou, Xin</creatorcontrib><creatorcontrib>Keiler, Kenneth C</creatorcontrib><title>tmRNA is essential in Shigella flexneri</title><title>PloS one</title><addtitle>PLoS One</addtitle><description>Nonstop mRNAs pose a challenge for bacteria, because translation cannot terminate efficiently without a stop codon. The trans-translation pathway resolves nonstop translation complexes by removing the nonstop mRNA, the incomplete protein, and the stalled ribosome. P1 co-transduction experiments demonstrated that tmRNA, a key component of the trans-translation pathway, is essential for viability in Shigella flexneri. tmRNA was previously shown to be dispensable in the closely related species Escherichia coli, because E. coli contains a backup system for trans-translation mediated by the alternative release factor ArfA. Genome sequence analysis showed that S. flexneri does not have a gene encoding ArfA. E. coli ArfA could suppress the requirement for tmRNA in S. flexneri, indicating that tmRNA is essential in S. flexneri because there is no functional backup system. These data suggest that resolution of nonstop translation complexes is required for most bacteria.</description><subject>Bacteria</subject><subject>Bacterial Proteins - biosynthesis</subject><subject>Bacterial Proteins - genetics</subject><subject>Biochemistry</subject><subject>Biology</subject><subject>Cloning</subject><subject>Codon, Terminator</subject><subject>Codons</subject><subject>Deoxyribonucleic acid</subject><subject>DNA</subject><subject>E coli</subject><subject>Escherichia coli</subject><subject>Escherichia coli - genetics</subject><subject>Escherichia coli - metabolism</subject><subject>Genes</subject><subject>Genetic engineering</subject><subject>Genomes</subject><subject>Genomics</subject><subject>Laboratories</subject><subject>Medicine</subject><subject>Messenger RNA</subject><subject>Molecular biology</subject><subject>mRNA</subject><subject>Nucleotide sequence</subject><subject>Polypeptides</subject><subject>Protein Biosynthesis</subject><subject>Proteins</subject><subject>RNA, Bacterial - genetics</subject><subject>Shigella</subject><subject>Shigella flexneri - genetics</subject><subject>Shigella flexneri - metabolism</subject><subject>Stop codon</subject><subject>TmRNA</subject><subject>Translation</subject><subject>Viability</subject><issn>1932-6203</issn><issn>1932-6203</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><sourceid>DOA</sourceid><recordid>eNqNkl2L1DAUhoso7rr6D0QLgh8XM-Y77Y0wLH4MLC7sqrchbU86GTLNmLSy_ntTp7tMZS8kFwknz3lPzsmbZc8xWmIq8futH0Kn3XLvO1gixCWn8kF2iktKFoIg-vDofJI9iXGbIFoI8Tg7IZRxTBg6zd70u6uvq9zGHGKErrfa5bbLrze2Bed0bhzcdBDs0-yR0S7Cs2k_y75_-vjt_Mvi4vLz-nx1sahFSfoFMUxz1hSUl40BaSjmZcGRbIhpRFWUXNMCEyOgZJJUlQFkgNZSIg2ccDD0LHt50N07H9XUY1SYclwigjFKxPpANF5v1T7YnQ6_lddW_Q340Codels7UMRQXkNV1FoIpjXTUjeskgwJSSRqyqT1Yao2VDto6jSAoN1MdH7T2Y1q_S9FeYGZkEng7SQQ_M8BYq92Ntbj5Drww_huzCgV6W8S-uof9P7uJqrVqQHbGZ_q1qOoWjFZFAUhlCdqeQ-VVgM7WydDGJvis4R3s4TE9HDTt3qIUa2vr_6fvfwxZ18fsRvQrt9E74be-i7OQXYA6-BjDGDuhoyRGv18Ow01-llNfk5pL44_6C7p1sD0D-k07Y4</recordid><startdate>20130225</startdate><enddate>20130225</enddate><creator>Ramadoss, Nitya S</creator><creator>Zhou, Xin</creator><creator>Keiler, Kenneth C</creator><general>Public Library of Science</general><general>Public Library of Science (PLoS)</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>IOV</scope><scope>ISR</scope><scope>3V.</scope><scope>7QG</scope><scope>7QL</scope><scope>7QO</scope><scope>7RV</scope><scope>7SN</scope><scope>7SS</scope><scope>7T5</scope><scope>7TG</scope><scope>7TM</scope><scope>7U9</scope><scope>7X2</scope><scope>7X7</scope><scope>7XB</scope><scope>88E</scope><scope>8AO</scope><scope>8C1</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>8FH</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>ARAPS</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>BHPHI</scope><scope>C1K</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>FR3</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>H94</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>KB.</scope><scope>KB0</scope><scope>KL.</scope><scope>L6V</scope><scope>LK8</scope><scope>M0K</scope><scope>M0S</scope><scope>M1P</scope><scope>M7N</scope><scope>M7P</scope><scope>M7S</scope><scope>NAPCQ</scope><scope>P5Z</scope><scope>P62</scope><scope>P64</scope><scope>PATMY</scope><scope>PDBOC</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope><scope>PYCSY</scope><scope>RC3</scope><scope>7X8</scope><scope>5PM</scope><scope>DOA</scope></search><sort><creationdate>20130225</creationdate><title>tmRNA is essential in Shigella flexneri</title><author>Ramadoss, Nitya S ; Zhou, Xin ; Keiler, Kenneth C</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c692t-2f4a54d8359dfe7f31598507d2fd6b895a3812f6e9472bbfe0fe3c770ae525ef3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Bacteria</topic><topic>Bacterial Proteins - 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Academic</collection><collection>PubMed Central (Full Participant titles)</collection><collection>DOAJ Directory of Open Access Journals</collection><jtitle>PloS one</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ramadoss, Nitya S</au><au>Zhou, Xin</au><au>Keiler, Kenneth C</au><au>Herman, Christophe</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>tmRNA is essential in Shigella flexneri</atitle><jtitle>PloS one</jtitle><addtitle>PLoS One</addtitle><date>2013-02-25</date><risdate>2013</risdate><volume>8</volume><issue>2</issue><spage>e57537</spage><epage>e57537</epage><pages>e57537-e57537</pages><issn>1932-6203</issn><eissn>1932-6203</eissn><abstract>Nonstop mRNAs pose a challenge for bacteria, because translation cannot terminate efficiently without a stop codon. The trans-translation pathway resolves nonstop translation complexes by removing the nonstop mRNA, the incomplete protein, and the stalled ribosome. P1 co-transduction experiments demonstrated that tmRNA, a key component of the trans-translation pathway, is essential for viability in Shigella flexneri. tmRNA was previously shown to be dispensable in the closely related species Escherichia coli, because E. coli contains a backup system for trans-translation mediated by the alternative release factor ArfA. Genome sequence analysis showed that S. flexneri does not have a gene encoding ArfA. E. coli ArfA could suppress the requirement for tmRNA in S. flexneri, indicating that tmRNA is essential in S. flexneri because there is no functional backup system. 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subjects | Bacteria Bacterial Proteins - biosynthesis Bacterial Proteins - genetics Biochemistry Biology Cloning Codon, Terminator Codons Deoxyribonucleic acid DNA E coli Escherichia coli Escherichia coli - genetics Escherichia coli - metabolism Genes Genetic engineering Genomes Genomics Laboratories Medicine Messenger RNA Molecular biology mRNA Nucleotide sequence Polypeptides Protein Biosynthesis Proteins RNA, Bacterial - genetics Shigella Shigella flexneri - genetics Shigella flexneri - metabolism Stop codon TmRNA Translation Viability |
title | tmRNA is essential in Shigella flexneri |
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