دورية أكاديمية
أعرض في EDS

Interplay between transcriptional regulators and VapBC toxin-antitoxin loci during thermal stress response in extremely thermoacidophilic archaea.

التفاصيل البيبلوغرافية
العنوان: Interplay between transcriptional regulators and VapBC toxin-antitoxin loci during thermal stress response in extremely thermoacidophilic archaea.
المؤلفون: Cooper CR; Department of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, North Carolina, USA., Lewis AM; Department of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, North Carolina, USA., Notey JS; Department of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, North Carolina, USA., Mukherjee A; Department of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, North Carolina, USA., Willard DJ; Department of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, North Carolina, USA., Blum PH; Beadle Center for Genetics, University of Nebraska-Lincoln, Lincoln, Nebraska, USA., Kelly RM; Department of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, North Carolina, USA.
المصدر: Environmental microbiology [Environ Microbiol] 2023 Jun; Vol. 25 (6), pp. 1200-1215. Date of Electronic Publication: 2023 Feb 24.
نوع المنشور: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S.; Research Support, N.I.H., Extramural
اللغة: English
بيانات الدورية: Publisher: Blackwell Science Country of Publication: England NLM ID: 100883692 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1462-2920 (Electronic) Linking ISSN: 14622912 NLM ISO Abbreviation: Environ Microbiol Subsets: MEDLINE
أسماء مطبوعة: Original Publication: Oxford : Blackwell Science, 1999-
مواضيع طبية MeSH: Antitoxins*/genetics , Toxins, Biological*/genetics , Toxins, Biological*/metabolism , Sulfolobus solfataricus*/genetics , Sulfolobus solfataricus*/metabolism, Heat-Shock Response/genetics ; Escherichia coli/genetics
مستخلص: Thermoacidophilic archaea lack sigma factors and the large inventory of heat shock proteins (HSPs) widespread in bacterial genomes, suggesting other strategies for handling thermal stress are involved. Heat shock transcriptomes for the thermoacidophilic archaeon Saccharolobus (f. Sulfolobus) solfataricus 98/2 revealed genes that were highly responsive to thermal stress, including transcriptional regulators YtrA Ss (Ssol_2420) and FadR Ss (Ssol_0314), as well as type II toxin-antitoxin (TA) loci VapBC6 (Ssol_2337, Ssol_2338) and VapBC22 (Ssol_0819, Ssol_0818). The role, if any, of type II TA loci during stress response in microorganisms, such as Escherichia coli, is controversial. But, when genes encoding YtrA Ss , FadR Ss , VapC22, VapB6, and VapC6 were systematically mutated in Sa. solfataricus 98/2, significant up-regulation of the other genes within this set was observed, implicating an interconnected regulatory network during thermal stress response. VapBC6 and VapBC22 have close homologues in other Sulfolobales, as well as in other archaea (e.g. Pyrococcus furiosus and Archaeoglobus fulgidus), and their corresponding genes were also heat shock responsive. The interplay between VapBC TA loci and heat shock regulators in Sa solfataricus 98/2 not only indicates a cellular mechanism for heat shock response that differs from bacteria but one that could have common features within the thermophilic archaea.
(© 2023 Applied Microbiology International and John Wiley & Sons Ltd.)
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معلومات مُعتمدة: R01 GM090209 United States GM NIGMS NIH HHS; T32 GM008776 United States GM NIGMS NIH HHS; T32 GM133366 United States GM NIGMS NIH HHS
المشرفين على المادة: 0 (Antitoxins)
0 (Toxins, Biological)
تواريخ الأحداث: Date Created: 20230208 Date Completed: 20230602 Latest Revision: 20240128
رمز التحديث: 20240128
مُعرف محوري في PubMed: PMC10580297
DOI: 10.1111/1462-2920.16350
PMID: 36752722
قاعدة البيانات: MEDLINE
الوصف
تدمد:1462-2920
DOI:10.1111/1462-2920.16350