6S RNA in Rhodobacter sphaeroides: 6S RNA and pRNA transcript levels peak in late exponential phase and gene deletion causes a high salt stress phenotype.
Identifieur interne : 000F25 ( Main/Exploration ); précédent : 000F24; suivant : 000F266S RNA in Rhodobacter sphaeroides: 6S RNA and pRNA transcript levels peak in late exponential phase and gene deletion causes a high salt stress phenotype.
Auteurs : Daria Elkina [Russie] ; Lennart Weber [Allemagne] ; Marcus Lechner [Russie] ; Olga Burenina [Russie] ; Andrea Weisert [Allemagne] ; Elena Kubareva [Russie] ; Roland K. Hartmann [Russie] ; Gabriele Klug [Allemagne]Source :
- RNA biology [ 1555-8584 ] ; 2017.
Descripteurs français
- KwdFr :
- ARN bactérien (génétique), ARN bactérien (métabolisme), ARN messager (génétique), ARN messager (métabolisme), ARN non traduit (génétique), ARN non traduit (métabolisme), Adhésines bactériennes (génétique), Adhésines bactériennes (métabolisme), Chlorure de sodium (pharmacologie), DNA-directed RNA polymerases (génétique), DNA-directed RNA polymerases (métabolisme), Délétion de gène, Phénotype, Rhodobacter sphaeroides (), Rhodobacter sphaeroides (croissance et développement), Rhodobacter sphaeroides (génétique), Rhodobacter sphaeroides (métabolisme), Régulation de l'expression des gènes bactériens, Stress physiologique, Transcription génétique.
- MESH :
- croissance et développement : Rhodobacter sphaeroides.
- génétique : ARN bactérien, ARN messager, ARN non traduit, Adhésines bactériennes, DNA-directed RNA polymerases, Rhodobacter sphaeroides.
- métabolisme : ARN bactérien, ARN messager, ARN non traduit, Adhésines bactériennes, DNA-directed RNA polymerases, Rhodobacter sphaeroides.
- pharmacologie : Chlorure de sodium.
- Délétion de gène, Phénotype, Rhodobacter sphaeroides, Régulation de l'expression des gènes bactériens, Stress physiologique, Transcription génétique.
English descriptors
- KwdEn :
- Adhesins, Bacterial (genetics), Adhesins, Bacterial (metabolism), DNA-Directed RNA Polymerases (genetics), DNA-Directed RNA Polymerases (metabolism), Gene Deletion, Gene Expression Regulation, Bacterial, Phenotype, RNA, Bacterial (genetics), RNA, Bacterial (metabolism), RNA, Messenger (genetics), RNA, Messenger (metabolism), RNA, Untranslated (genetics), RNA, Untranslated (metabolism), Rhodobacter sphaeroides (drug effects), Rhodobacter sphaeroides (genetics), Rhodobacter sphaeroides (growth & development), Rhodobacter sphaeroides (metabolism), Sodium Chloride (pharmacology), Stress, Physiological, Transcription, Genetic.
- MESH :
- chemical , genetics : Adhesins, Bacterial, DNA-Directed RNA Polymerases, RNA, Bacterial, RNA, Messenger, RNA, Untranslated.
- chemical , metabolism : Adhesins, Bacterial, DNA-Directed RNA Polymerases, RNA, Bacterial, RNA, Messenger, RNA, Untranslated.
- drug effects : Rhodobacter sphaeroides.
- genetics : Rhodobacter sphaeroides.
- growth & development : Rhodobacter sphaeroides.
- metabolism : Rhodobacter sphaeroides.
- chemical , pharmacology : Sodium Chloride.
- Gene Deletion, Gene Expression Regulation, Bacterial, Phenotype, Stress, Physiological, Transcription, Genetic.
Abstract
The function of 6S RNA, a global regulator of transcription, was studied in the photosynthetic α-proteobacterium Rhodobacter sphaeroides. The cellular levels of R. sphaeroides 6S RNA peak toward the transition to stationary phase and strongly decrease during extended stationary phase. The synthesis of so-called product RNA transcripts (mainly 12-16-mers) on 6S RNA as template by RNA polymerase was found to be highest in late exponential phase. Product RNA ≥ 13-mers are expected to trigger the dissociation of 6S RNA:RNA polymerase complexes. A 6S RNA deletion in R. sphaeroides had no impact on growth under various metabolic and oxidative stress conditions (with the possible exception of tert-butyl hydroperoxide stress). However, the 6S RNA knockout resulted in a robust growth defect under high salt stress (0.25 M NaCl). Remarkably, the sspA gene encoding the putative salt stress-induced membrane protein SspA and located immediately downstream of the 6S RNA (ssrS) gene on the antisense strand was expressed at elevated levels in the ΔssrS strain when grown in the presence of 250 mM NaCl.
DOI: 10.1080/15476286.2017.1342933
PubMed: 28692405
Affiliations:
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Belozersky Institute of Physico-Chemical Biology , M.V. Lomonosov Moscow State University , Leninskie Gory 1, Moscow , Russia.</nlm:affiliation><country xml:lang="fr">Russie</country><wicri:regionArea>a Chemistry Department and A.N. Belozersky Institute of Physico-Chemical Biology , M.V. Lomonosov Moscow State University , Leninskie Gory 1, Moscow </wicri:regionArea><wicri:noRegion>Moscow </wicri:noRegion></affiliation></author><author><name sortKey="Weber, Lennart" sort="Weber, Lennart" uniqKey="Weber L" first="Lennart" last="Weber">Lennart Weber</name><affiliation wicri:level="1"><nlm:affiliation>b Institut für Mikrobiologie und Molekularbiologie, Justus-Liebig-University-Gießen, Heinrich-Buff-Ring 26-32 , Gießen , Germany.</nlm:affiliation><country xml:lang="fr">Allemagne</country><wicri:regionArea>b Institut für Mikrobiologie und Molekularbiologie, Justus-Liebig-University-Gießen, Heinrich-Buff-Ring 26-32 , Gießen </wicri:regionArea><wicri:noRegion>Gießen </wicri:noRegion><wicri:noRegion>Gießen </wicri:noRegion><wicri:noRegion>Gießen </wicri:noRegion></affiliation></author><author><name sortKey="Lechner, Marcus" sort="Lechner, Marcus" uniqKey="Lechner M" first="Marcus" last="Lechner">Marcus Lechner</name><affiliation wicri:level="3"><nlm:affiliation>c Institut für Pharmazeutische Chemie, Philipps-Universität Marburg, Marbacher Weg 6 , Marburg , Germany ; Skolkovo Institute for Science and Technology , Skoltech, Moscow.</nlm:affiliation><country>Russie</country><placeName><settlement type="city">Moscou</settlement><region>District fédéral central</region></placeName><wicri:orgArea>c Institut für Pharmazeutische Chemie, Philipps-Universität Marburg, Marbacher Weg 6 , Marburg , Germany ; Skolkovo Institute for Science and Technology , Skoltech</wicri:orgArea></affiliation></author><author><name sortKey="Burenina, Olga" sort="Burenina, Olga" uniqKey="Burenina O" first="Olga" last="Burenina">Olga Burenina</name><affiliation wicri:level="1"><nlm:affiliation>a Chemistry Department and A.N. Belozersky Institute of Physico-Chemical Biology , M.V. Lomonosov Moscow State University , Leninskie Gory 1, Moscow , Russia.</nlm:affiliation><country xml:lang="fr">Russie</country><wicri:regionArea>a Chemistry Department and A.N. Belozersky Institute of Physico-Chemical Biology , M.V. Lomonosov Moscow State University , Leninskie Gory 1, Moscow </wicri:regionArea><wicri:noRegion>Moscow </wicri:noRegion></affiliation></author><author><name sortKey="Weisert, Andrea" sort="Weisert, Andrea" uniqKey="Weisert A" first="Andrea" last="Weisert">Andrea Weisert</name><affiliation wicri:level="1"><nlm:affiliation>b Institut für Mikrobiologie und Molekularbiologie, Justus-Liebig-University-Gießen, Heinrich-Buff-Ring 26-32 , Gießen , Germany.</nlm:affiliation><country xml:lang="fr">Allemagne</country><wicri:regionArea>b Institut für Mikrobiologie und Molekularbiologie, Justus-Liebig-University-Gießen, Heinrich-Buff-Ring 26-32 , Gießen </wicri:regionArea><wicri:noRegion>Gießen </wicri:noRegion><wicri:noRegion>Gießen </wicri:noRegion><wicri:noRegion>Gießen </wicri:noRegion></affiliation></author><author><name sortKey="Kubareva, Elena" sort="Kubareva, Elena" uniqKey="Kubareva E" first="Elena" last="Kubareva">Elena Kubareva</name><affiliation wicri:level="1"><nlm:affiliation>a Chemistry Department and A.N. Belozersky Institute of Physico-Chemical Biology , M.V. Lomonosov Moscow State University , Leninskie Gory 1, Moscow , Russia.</nlm:affiliation><country xml:lang="fr">Russie</country><wicri:regionArea>a Chemistry Department and A.N. Belozersky Institute of Physico-Chemical Biology , M.V. Lomonosov Moscow State University , Leninskie Gory 1, Moscow </wicri:regionArea><wicri:noRegion>Moscow </wicri:noRegion></affiliation></author><author><name sortKey="Hartmann, Roland K" sort="Hartmann, Roland K" uniqKey="Hartmann R" first="Roland K" last="Hartmann">Roland K. Hartmann</name><affiliation wicri:level="3"><nlm:affiliation>c Institut für Pharmazeutische Chemie, Philipps-Universität Marburg, Marbacher Weg 6 , Marburg , Germany ; Skolkovo Institute for Science and Technology , Skoltech, Moscow.</nlm:affiliation><country>Russie</country><placeName><settlement type="city">Moscou</settlement><region>District fédéral central</region></placeName><wicri:orgArea>c Institut für Pharmazeutische Chemie, Philipps-Universität Marburg, Marbacher Weg 6 , Marburg , Germany ; Skolkovo Institute for Science and Technology , Skoltech</wicri:orgArea></affiliation></author><author><name sortKey="Klug, Gabriele" sort="Klug, Gabriele" uniqKey="Klug G" first="Gabriele" last="Klug">Gabriele Klug</name><affiliation wicri:level="1"><nlm:affiliation>b Institut für Mikrobiologie und Molekularbiologie, Justus-Liebig-University-Gießen, Heinrich-Buff-Ring 26-32 , Gießen , Germany.</nlm:affiliation><country xml:lang="fr">Allemagne</country><wicri:regionArea>b Institut für Mikrobiologie und Molekularbiologie, Justus-Liebig-University-Gießen, Heinrich-Buff-Ring 26-32 , Gießen </wicri:regionArea><wicri:noRegion>Gießen </wicri:noRegion><wicri:noRegion>Gießen </wicri:noRegion><wicri:noRegion>Gießen </wicri:noRegion></affiliation></author></analytic><series><title level="j">RNA biology</title><idno type="eISSN">1555-8584</idno><imprint><date when="2017" type="published">2017</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adhesins, Bacterial (genetics)</term><term>Adhesins, Bacterial (metabolism)</term><term>DNA-Directed RNA Polymerases (genetics)</term><term>DNA-Directed RNA Polymerases (metabolism)</term><term>Gene Deletion</term><term>Gene Expression Regulation, Bacterial</term><term>Phenotype</term><term>RNA, Bacterial (genetics)</term><term>RNA, Bacterial (metabolism)</term><term>RNA, Messenger (genetics)</term><term>RNA, Messenger (metabolism)</term><term>RNA, Untranslated (genetics)</term><term>RNA, Untranslated (metabolism)</term><term>Rhodobacter sphaeroides (drug effects)</term><term>Rhodobacter sphaeroides (genetics)</term><term>Rhodobacter sphaeroides (growth & development)</term><term>Rhodobacter sphaeroides (metabolism)</term><term>Sodium Chloride (pharmacology)</term><term>Stress, Physiological</term><term>Transcription, Genetic</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>ARN bactérien (génétique)</term><term>ARN bactérien (métabolisme)</term><term>ARN messager (génétique)</term><term>ARN messager (métabolisme)</term><term>ARN non traduit (génétique)</term><term>ARN non traduit (métabolisme)</term><term>Adhésines bactériennes (génétique)</term><term>Adhésines bactériennes (métabolisme)</term><term>Chlorure de sodium (pharmacologie)</term><term>DNA-directed RNA polymerases (génétique)</term><term>DNA-directed RNA polymerases (métabolisme)</term><term>Délétion de gène</term><term>Phénotype</term><term>Rhodobacter sphaeroides ()</term><term>Rhodobacter sphaeroides (croissance et développement)</term><term>Rhodobacter sphaeroides (génétique)</term><term>Rhodobacter sphaeroides (métabolisme)</term><term>Régulation de l'expression des gènes bactériens</term><term>Stress physiologique</term><term>Transcription génétique</term></keywords><keywords scheme="MESH" type="chemical" qualifier="genetics" xml:lang="en"><term>Adhesins, Bacterial</term><term>DNA-Directed RNA Polymerases</term><term>RNA, Bacterial</term><term>RNA, Messenger</term><term>RNA, Untranslated</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Adhesins, Bacterial</term><term>DNA-Directed RNA Polymerases</term><term>RNA, Bacterial</term><term>RNA, Messenger</term><term>RNA, Untranslated</term></keywords><keywords scheme="MESH" qualifier="croissance et développement" xml:lang="fr"><term>Rhodobacter sphaeroides</term></keywords><keywords scheme="MESH" qualifier="drug effects" xml:lang="en"><term>Rhodobacter sphaeroides</term></keywords><keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Rhodobacter sphaeroides</term></keywords><keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Rhodobacter sphaeroides</term></keywords><keywords scheme="MESH" qualifier="génétique" xml:lang="fr"><term>ARN bactérien</term><term>ARN messager</term><term>ARN non traduit</term><term>Adhésines bactériennes</term><term>DNA-directed RNA polymerases</term><term>Rhodobacter sphaeroides</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Rhodobacter sphaeroides</term></keywords><keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>ARN bactérien</term><term>ARN messager</term><term>ARN non traduit</term><term>Adhésines bactériennes</term><term>DNA-directed RNA polymerases</term><term>Rhodobacter sphaeroides</term></keywords><keywords scheme="MESH" qualifier="pharmacologie" xml:lang="fr"><term>Chlorure de sodium</term></keywords><keywords scheme="MESH" type="chemical" qualifier="pharmacology" xml:lang="en"><term>Sodium Chloride</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Gene Deletion</term><term>Gene Expression Regulation, Bacterial</term><term>Phenotype</term><term>Stress, Physiological</term><term>Transcription, Genetic</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Délétion de gène</term><term>Phénotype</term><term>Rhodobacter sphaeroides</term><term>Régulation de l'expression des gènes bactériens</term><term>Stress physiologique</term><term>Transcription génétique</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The function of 6S RNA, a global regulator of transcription, was studied in the photosynthetic α-proteobacterium Rhodobacter sphaeroides. The cellular levels of R. sphaeroides 6S RNA peak toward the transition to stationary phase and strongly decrease during extended stationary phase. The synthesis of so-called product RNA transcripts (mainly 12-16-mers) on 6S RNA as template by RNA polymerase was found to be highest in late exponential phase. Product RNA ≥ 13-mers are expected to trigger the dissociation of 6S RNA:RNA polymerase complexes. A 6S RNA deletion in R. sphaeroides had no impact on growth under various metabolic and oxidative stress conditions (with the possible exception of tert-butyl hydroperoxide stress). However, the 6S RNA knockout resulted in a robust growth defect under high salt stress (0.25 M NaCl). Remarkably, the sspA gene encoding the putative salt stress-induced membrane protein SspA and located immediately downstream of the 6S RNA (ssrS) gene on the antisense strand was expressed at elevated levels in the ΔssrS strain when grown in the presence of 250 mM NaCl.</div></front></TEI><affiliations><list><country><li>Allemagne</li><li>Russie</li></country><region><li>District fédéral central</li></region><settlement><li>Moscou</li></settlement></list><tree><country name="Russie"><noRegion><name sortKey="Elkina, Daria" sort="Elkina, Daria" uniqKey="Elkina D" first="Daria" last="Elkina">Daria Elkina</name></noRegion><name sortKey="Burenina, Olga" sort="Burenina, Olga" uniqKey="Burenina O" first="Olga" last="Burenina">Olga Burenina</name><name sortKey="Hartmann, Roland K" sort="Hartmann, Roland K" uniqKey="Hartmann R" first="Roland K" last="Hartmann">Roland K. Hartmann</name><name sortKey="Kubareva, Elena" sort="Kubareva, Elena" uniqKey="Kubareva E" first="Elena" last="Kubareva">Elena Kubareva</name><name sortKey="Lechner, Marcus" sort="Lechner, Marcus" uniqKey="Lechner M" first="Marcus" last="Lechner">Marcus Lechner</name></country><country name="Allemagne"><noRegion><name sortKey="Weber, Lennart" sort="Weber, Lennart" uniqKey="Weber L" first="Lennart" last="Weber">Lennart Weber</name></noRegion><name sortKey="Klug, Gabriele" sort="Klug, Gabriele" uniqKey="Klug G" first="Gabriele" last="Klug">Gabriele Klug</name><name sortKey="Weisert, Andrea" sort="Weisert, Andrea" uniqKey="Weisert A" first="Andrea" last="Weisert">Andrea Weisert</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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