Results 51 to 60 of about 407,697 (279)

Carbon dioxide regulates Mycobacterium tuberculosis PhoPR signaling and virulence

open access: yesInfection and Immunity
The Mycobacterium tuberculosis (Mtb) two-component regulatory system PhoPR is implicated in pH sensing within the macrophage because it is strongly induced by acidic pH both in vitro and the macrophage phagosome.
Shelby J. Dechow   +4 more
doaj   +1 more source

A novel role for the LisRK two-component regulatory system in listerial osmotolerance [PDF]

open access: yesClinical Microbiology and Infection, 2005
Understanding how pathogenic bacteria sense and respond to environmental signals, including those involved in triggering virulence gene expression, is a fundamental biological goal. It is now known that the two-component regulatory system LisRK has a novel role in osmosensing and osmoregulation in the intracellular foodborne pathogen Listeria ...
Sleator, R.D., Hill, C.
openaire   +2 more sources

Nonclonal Emergence of Colistin Resistance Associated with Mutations in the BasRS Two-Component System in Escherichia coli Bloodstream Isolates

open access: yesmSphere, 2020
Infections by multidrug-resistant Gram-negative bacteria are increasingly common, prompting the renewed interest in the use of colistin. Colistin specifically targets Gram-negative bacteria by interacting with the anionic lipid A moieties of ...
Axel B. Janssen   +6 more
doaj   +1 more source

Two homologous Agr-like quorum-sensing systems cooperatively control adherence, cell morphology, and cell viability properties in Lactobacillus plantarum WCFS1 [PDF]

open access: yes, 2008
A two-component regulatory system of Lactobacillus plantarum, encoded by genes designated lamK and lamR (hpk10 and rrp10), was studied. The lamK and lamR genes encode proteins which are highly homologous to the quorum-sensing histidine kinase LamC and ...
Vos, W.M., de   +21 more
core   +1 more source

A conserved inhibitory interdomain interaction regulates DNA-binding activities of hybrid two-component systems in Bacteroides

open access: yesmBio
Hybrid two-component systems (HTCSs) comprise a major class of transcription regulators of polysaccharide utilization genes in Bacteroides. Distinct from classical two-component systems in which signal transduction is carried out by intermolecular ...
Rong Gao, Ti Wu, Ann M. Stock
doaj   +1 more source

A New Role of OmpR in Acid and Osmotic Stress in Salmonella and E. coli

open access: yesFrontiers in Microbiology, 2018
Bacteria survive and respond to diverse environmental conditions and during infection inside the host by systematic regulation of stress response genes. E. coli and S. Typhimurium can undergo large changes in intracellular osmolality (up to 1.8 Osmol/kg)
Smarajit Chakraborty   +5 more
doaj   +1 more source

Rational Use of Herbal Products in Pediatric Patients Treated With Anticancer Drugs in the European Union

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Introduction The use of herbal medical preparation (HMP) is rising among pediatric oncology patients, often to manage treatment‐related symptoms. Their effectiveness remains uncertain, and the risk of herb–drug interactions is underestimated.
Orianne Mahot   +6 more
wiley   +1 more source

Two-component signalling systems of chloroplasts: function, distribution and evolution [PDF]

open access: yes, 2008
PhD 2008 QMTwo-component signal transduction, comprising sensor kinases and response regulators, is the predominant signalling mechanism in prokaryotes.
Puthiyaveetil, Sujith
core  

Identification of a two-component regulatory system controlling methanol dehydrogenase synthesis in Paracoccus denitrificans [PDF]

open access: yes, 1993
Upstream of the moxFJGIR genes of Paracoccus denitrificans a regulatory region involved in methanol oxidation was identified. The nucleotide sequence of this region was determined and revealed three genes, moxZ, moxY and moxX, which are transcribed ...
Harms, N   +6 more
core   +1 more source

Early Impact of Childhood Opportunity on Neurocognitive Outcomes in Sickle Cell Disease

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Introduction Neurocognitive impairment is a well‐recognized complication of sickle cell disease (SCD) that begins early in childhood and persists across development. While cerebrovascular injury contributes substantially to risk, neurocognitive deficits are also observed in children without overt or silent cerebral infarctions, suggesting ...
Julia E. LaMotte   +5 more
wiley   +1 more source

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