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Vibrio cholerae Uti...
Vibrio cholerae Utilizes Direct sRNA Regulation in Expression of a Biofilm Matrix Protein
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- Song, Tianyan (author)
- Umeå universitet,Institutionen för molekylärbiologi (Medicinska fakulteten),Molekylär Infektionsmedicin, Sverige (MIMS),Umeå Centre for Microbial Research (UCMR)
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- Sabharwal, Dharmesh (author)
- Umeå universitet,Institutionen för molekylärbiologi (Medicinska fakulteten),Molekylär Infektionsmedicin, Sverige (MIMS),Umeå Centre for Microbial Research (UCMR)
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- Gurung, Jyoti Mohan (author)
- Umeå universitet,Institutionen för molekylärbiologi (Medicinska fakulteten),Molekylär Infektionsmedicin, Sverige (MIMS),Umeå Centre for Microbial Research (UCMR)
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- Cheng, Andrew T. (author)
- Department of Microbiology and Environmental Toxicology, University of California Santa Cruz, Santa Cruz, California, United States of America
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- Sjöström, Annika E. (author)
- Umeå universitet,Institutionen för molekylärbiologi (Medicinska fakulteten),Molekylär Infektionsmedicin, Sverige (MIMS),Umeå Centre for Microbial Research (UCMR)
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- Yildiz, Fitnat H. (author)
- Department of Microbiology and Environmental Toxicology, University of California Santa Cruz, Santa Cruz, California, United States of America
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- Uhlin, Bernt Eric (author)
- Umeå universitet,Institutionen för molekylärbiologi (Medicinska fakulteten),Molekylär Infektionsmedicin, Sverige (MIMS),Umeå Centre for Microbial Research (UCMR)
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- Wai, Sun Nyunt (author)
- Umeå universitet,Institutionen för molekylärbiologi (Medicinska fakulteten),Molekylär Infektionsmedicin, Sverige (MIMS),Umeå Centre for Microbial Research (UCMR)
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(creator_code:org_t)
- 2014-07-23
- 2014
- English.
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In: PLOS ONE. - : PLOS. - 1932-6203. ; 9:7
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Abstract
Subject headings
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- Vibrio cholerae biofilms contain exopolysaccharide and three matrix proteins RbmA, RbmC and Bap1. While much is known about exopolysaccharide regulation, little is known about the mechanisms by which the matrix protein components of biofilms are regulated. VrrA is a conserved, 140-nt sRNA of V. cholerae, whose expression is controlled by sigma factor sigma(E). In this study, we demonstrate that VrrA negatively regulates rbmC translation by pairing to the 5' untranslated region of the rbmC transcript and that this regulation is not stringently dependent on the RNA chaperone protein Hfq. These results point to VrrA as a molecular link between the sigma(E)-regulon and biofilm formation in V. cholerae. In addition, VrrA represents the first example of direct regulation of sRNA on biofilm matrix component, by-passing global master regulators.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Cell- och molekylärbiologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Cell and Molecular Biology (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Infektionsmedicin (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Infectious Medicine (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Mikrobiologi inom det medicinska området (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Microbiology in the medical area (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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