
Investigation of the Staphylococcus aureus GraSR Regulon Reveals …
Genome-based predictions and transcriptome analysis revealed several novel GraR target genes. We also found that the GraSR TCS is required for growth of S. aureus at high temperatures and resistance to oxidative stress.
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PHYTOCHROME-INTERACTING FACTORs trigger environmentally responsive ...
We found that PIFs act rapidly to reshape the H2A.Z and H3K9ac epigenetic landscape in response to a change in light quality. Furthermore, we discovered that PIFs achieve H2A.Z removal through direct interaction with EIN6 ENHANCER (EEN), the Arabidopsis thaliana homolog of the chromatin remodeling complex subunit INO80 Subunit 6 (Ies6).
Frontiers | The Role of graRS in Regulating Virulence and …
2021年8月15日 · To investigate the role of graRS in bacterial virulence, a graRS knockout mutant (Δ graRS) was constructed using MRSA USA500 2,395 strain as a parent strain. Compared to the wild-type strain, the USA500Δ graRS showed reduced staphyloxanthin production, retarded coagulation, weaker hemolysis on blood agar plates, and a decreased biofilm formation.
The Staphylococcus aureus Two-Component Regulatory System, …
In the present study, we utilized isogenic graR and vraG parent-mutant strain pairs in two distinct methicillin-resistant S. aureus (MRSA) genetic backgrounds, Mu50 and COL, to characterize the contribution of these two linked loci to (i) the induction of mprF and dlt expression by sublethal concentrations of a range of CAPs, (ii) the modulation...
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The Staphylococcus aureus two-component regulatory system, …
In this study, we used two well-characterized MRSA strains (Mu50 and COL) and their respective mutants of graR and vraG (encoding the ABC transporter-dependent efflux pump immediately downstream of graRS), and show that (i) the expression of two key determinants of net positive surface charge (mprF and dlt) is dependent on the cotranscription of...
Diversity of two-component systems: insights into the signal ...
2014年11月17日 · We found that the auxiliary protein GraX interacts with VraF and GraR, and requires the histidine phosphotransfer and dimerization domain of GraS to interact with this protein. Further, VraF requires the GraS region that connects the membrane-bound domain with the cytoplasmic domain of this protein for interaction with GraS.
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