دورية أكاديمية
The genetic basis of laboratory adaptation in Caulobacter crescentus.
| العنوان: | The genetic basis of laboratory adaptation in Caulobacter crescentus. |
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| المؤلفون: | Marks ME; Department of Biochemistry and Molecular Biology, University of Chicago, 929 East 57th Street, Chicago, IL 60637, USA., Castro-Rojas CM, Teiling C, Du L, Kapatral V, Walunas TL, Crosson S |
| المصدر: | Journal of bacteriology [J Bacteriol] 2010 Jul; Vol. 192 (14), pp. 3678-88. Date of Electronic Publication: 2010 May 14. |
| نوع المنشور: | Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't |
| اللغة: | English |
| بيانات الدورية: | Publisher: American Society for Microbiology Country of Publication: United States NLM ID: 2985120R Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1098-5530 (Electronic) Linking ISSN: 00219193 NLM ISO Abbreviation: J Bacteriol Subsets: MEDLINE |
| أسماء مطبوعة: | Original Publication: Washington, DC : American Society for Microbiology |
| مواضيع طبية MeSH: | Adaptation, Physiological/*genetics , Caulobacter crescentus/*genetics , Caulobacter crescentus/*metabolism, Bacterial Proteins/genetics ; Bacterial Proteins/metabolism ; Bacteriophages/physiology ; Caulobacter crescentus/virology ; Evolution, Molecular ; Genetic Variation ; Molecular Sequence Data ; Phylogeny |
| مستخلص: | The dimorphic bacterium Caulobacter crescentus has evolved marked phenotypic changes during its 50-year history of culture in the laboratory environment, providing an excellent system for the study of natural selection and phenotypic microevolution in prokaryotes. Combining whole-genome sequencing with classical molecular genetic tools, we have comprehensively mapped a set of polymorphisms underlying multiple derived phenotypes, several of which arose independently in separate strain lineages. The genetic basis of phenotypic differences in growth rate, mucoidy, adhesion, sedimentation, phage susceptibility, and stationary-phase survival between C. crescentus strain CB15 and its derivative NA1000 is determined by coding, regulatory, and insertion/deletion polymorphisms at five chromosomal loci. This study evidences multiple genetic mechanisms of bacterial evolution as driven by selection for growth and survival in a new selective environment and identifies a common polymorphic locus, zwf, between lab-adapted C. crescentus and clinical isolates of Pseudomonas aeruginosa that have adapted to a human host during chronic infection. |
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| معلومات مُعتمدة: | F32 GM083424 United States GM NIGMS NIH HHS; 1F32-GM083424 United States GM NIGMS NIH HHS |
| سلسلة جزيئية: | GENBANK CP001340; NC011916 |
| المشرفين على المادة: | 0 (Bacterial Proteins) |
| تواريخ الأحداث: | Date Created: 20100518 Date Completed: 20100722 Latest Revision: 20240318 |
| رمز التحديث: | 20240318 |
| مُعرف محوري في PubMed: | PMC2897358 |
| DOI: | 10.1128/JB.00255-10 |
| PMID: | 20472802 |
| قاعدة البيانات: | MEDLINE |
| تدمد: | 1098-5530 |
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| DOI: | 10.1128/JB.00255-10 |