ArticleApplied and environmental microbiology2012
Roles of four putative DEAD-box RNA helicase genes in growth of Listeria monocytogenes EGD-e under heat, pH, osmotic, ethanol, and oxidative stress conditions.
Article in Applied and environmental microbiology, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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17 citing papers in PubMed, 35 citations in OpenAlex.
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- DEAD Box Protein DhR1 Is a Global Regulator Involved in the Bacterial Fitness and Virulence of Riemerella anatipestifer.Journal of bacteriology · 2023Article
- The Role of Regulator Catabolite Control Protein A (CcpA) in Streptococcus agalactiae Physiology and Stress Response.Microbiology spectrum · 2022Article
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- Large-scale ratcheting in a bacterial DEAH/RHA-type RNA helicase that modulates antibiotics susceptibility.Proceedings of the National Academy of Sciences of the United States of America · 2021Article
- The Response to Oxidative Stress inMicroorganisms · 2020Article
- Complete Genome and Calcium Carbonate Precipitation ofJournal of microbiology and biotechnology · 2020Article
- Bacterial Microcompartment-Dependent 1,2-Propanediol Utilization Stimulates Anaerobic Growth ofFrontiers in microbiology · 2019Article
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- RNA Helicase Important for Listeria monocytogenes Hemolytic Activity and Virulence Factor Expression.Infection and immunity · 2016Article
- Fungal traits that drive ecosystem dynamics on land.Microbiology and molecular biology reviews : MMBR · 2015Review
- DExD-box RNA-helicases in Listeria monocytogenes are important for growth, ribosomal maturation, rRNA processing and virulence factor expression.RNA biology · 2014Article
- DEAD-Box RNA helicases in Bacillus subtilis have multiple functions and act independently from each other.Journal of bacteriology · 2013Article
- RNA helicases: diverse roles in prokaryotic response to abiotic stress.RNA biology · 2013Review
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
To examine the role of the four putative DEAD-box RNA helicase genes of Listeria monocytogenes EGD-e in stress tolerance, the growth of the Δlmo0866, Δlmo1246, Δlmo1450, and Δlmo1722 deletion mutant strains at 42.5°C, at pH 5.6 or pH 9.4, in 6% NaCl, in 3.5% ethanol, and in 5 mM H(2)O(2) was studied. Restricted growth of the Δlmo0866 deletion mutant strain in 3.5% ethanol suggests that Lmo0866 contributes to ethanol stress tolerance of L. monocytogenes EGD-e. The Δlmo1450 mutant strain showed negligible growth at 42.5°C, at pH 9.4, and in 5 mM H(2)O(2) and a lower maximum growth temperature than the wild-type EGD-e, suggesting that Lmo1450 is involved in the tolerance of L. monocytogenes EGD-e to heat, alkali, and oxidative stresses. The altered stress tolerance of the Δlmo0866 and Δlmo1450 deletion mutant strains did not correlate with changes in relative expression levels of lmo0866 and lmo1450 genes under corresponding stresses, suggesting that Lmo0866- and Lmo1450-dependent tolerance to heat, alkali, ethanol, or oxidative stress is not regulated at the transcriptional level. Growth of the Δlmo1246 and Δlmo1722 deletion mutant strains did not differ from that of the wild-type EGD-e under any of the conditions tested, suggesting that Lmo1246 and Lmo1722 have no roles in the growth of L. monocytogenes EGD-e under heat, pH, osmotic, ethanol, or oxidative stress. This study shows that the putative DEAD-box RNA helicase genes lmo0866 and lmo1450 play important roles in tolerance of L. monocytogenes EGD-e to ethanol, heat, alkali, and oxidative stresses.
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