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PMID:24673808

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Citation

Tatsuno, I, Isaka, M, Okada, R, Zhang, Y and Hasegawa, T (2014) Relevance of the two-component sensor protein CiaH to acid and oxidative stress responses in Streptococcus pyogenes. BMC Res Notes 7:189

Abstract

The production of virulence proteins depends on environmental factors, and two-component regulatory systems are involved in sensing these factors. We previously established knockout strains in all suspected two-component regulatory sensor proteins of the emm1 clinical strain of S. pyogenes and examined their relevance to acid stimuli in a natural atmosphere. In the present study, their relevance to acid stimuli was re-examined in an atmosphere containing 5% CO2.

Links

PubMed Online version:10.1186/1756-0500-7-189

Keywords


Significance

Annotations

Gene product Qualifier GO Term Evidence Code with/from Aspect Extension Notes Status

STRPB:Q1JBK0

GO:0000160: phosphorelay signal transduction system

IMP: Inferred from Mutant Phenotype:

P

Figure 4.A-C Shows hydrogen peroxide assays of wild-type spy1236 (CiaH) containing cells as well as cells with deleted spy1236 genes. The assay pertains to the cells ability to withstand oxidative damage using hydrogen peroxide treatments,as it is testing spy1236 role in oxidative stress response. Overall, whenever the cell contained the knockout spy1326 gene, there was a lower survivability.

complete
CACAO 9891


See also

References

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