دورية أكاديمية
Viral Satellites Exploit Phage Proteins to Escape Degradation of the Bacterial Host Chromosome.
| العنوان: | Viral Satellites Exploit Phage Proteins to Escape Degradation of the Bacterial Host Chromosome. |
|---|---|
| المؤلفون: | McKitterick AC; Department of Plant and Microbial Biology, University of California, Berkeley, 271 Koshland Hall, Berkeley, CA 94720, USA., Hays SG; Department of Plant and Microbial Biology, University of California, Berkeley, 271 Koshland Hall, Berkeley, CA 94720, USA., Johura FT; ICDDR,B, formerly known as International Centre for Diarrhoeal Disease Research, Bangladesh, Dhaka, Bangladesh., Alam M; ICDDR,B, formerly known as International Centre for Diarrhoeal Disease Research, Bangladesh, Dhaka, Bangladesh., Seed KD; Department of Plant and Microbial Biology, University of California, Berkeley, 271 Koshland Hall, Berkeley, CA 94720, USA; Chan Zuckerberg Biohub, San Francisco, CA 94158, USA. Electronic address: kseed@berkeley.edu. |
| المصدر: | Cell host & microbe [Cell Host Microbe] 2019 Oct 09; Vol. 26 (4), pp. 504-514.e4. |
| نوع المنشور: | Journal Article; Research Support, N.I.H., Extramural |
| اللغة: | English |
| بيانات الدورية: | Publisher: Cell Press Country of Publication: United States NLM ID: 101302316 Publication Model: Print Cited Medium: Internet ISSN: 1934-6069 (Electronic) Linking ISSN: 19313128 NLM ISO Abbreviation: Cell Host Microbe Subsets: MEDLINE |
| أسماء مطبوعة: | Original Publication: Cambridge, Mass. : Cell Press |
| مواضيع طبية MeSH: | Bacteriophages/*genetics , DNA Helicases/*genetics , Interspersed Repetitive Sequences/*genetics , Vibrio cholerae/*genetics , Vibrio cholerae/*virology, Bacteriophages/metabolism ; Cholera/pathology ; Chromosomes, Bacterial/genetics ; Genome, Bacterial/genetics ; Genome, Viral/genetics ; Humans ; Vibrio cholerae/pathogenicity ; Viral Proteins/metabolism |
| مستخلص: | Phage defense systems are often found on mobile genetic elements (MGEs), where they constitutively defend against invaders or are induced to respond to new assaults. Phage satellites, one type of MGE, are induced during phage infection to promote their own transmission, reducing phage production and protecting their hosts in the process. One such satellite in Vibrio cholerae, phage-inducible chromosomal island-like element (PLE), sabotages the lytic phage ICP1, which triggers PLE excision from the bacterial chromosome, replication, and transduction to neighboring cells. Analysis of patient stool samples from different geographic regions revealed that ICP1 has evolved to possess one of two syntenic loci encoding an SF1B-type helicase, either of which PLE exploits to drive replication. Further, loss of PLE mobilization limits anti-phage activity because of phage-mediated degradation of the bacterial genome. Our work provides insight into the unique challenges facing parasites of lytic phages and underscores the adaptions of satellites to their ever-evolving target phage. (Copyright © 2019 Elsevier Inc. All rights reserved.) |
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| معلومات مُعتمدة: | R01 AI127652 United States AI NIAID NIH HHS |
| فهرسة مساهمة: | Keywords: Vibrio cholerae; cholera; defense; helicase; mobile genetic element; parasitism; phage; replication; satellite |
| المشرفين على المادة: | 0 (Viral Proteins) EC 3.6.4.- (DNA Helicases) |
| تواريخ الأحداث: | Date Created: 20191011 Date Completed: 20200203 Latest Revision: 20240723 |
| رمز التحديث: | 20240723 |
| مُعرف محوري في PubMed: | PMC6910227 |
| DOI: | 10.1016/j.chom.2019.09.006 |
| PMID: | 31600502 |
| قاعدة البيانات: | MEDLINE |
| تدمد: | 1934-6069 |
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| DOI: | 10.1016/j.chom.2019.09.006 |