Understanding GroEL and DnaK Stress Response Proteins as Antigens for Bacterial Diseases
نویسندگان
چکیده
منابع مشابه
Localization of chaperones DnaK and GroEL in bacterial inclusion bodies.
By immunostaining and transmission electron microscopy, chaperones DnaK and GroEL have been identified at the solvent-exposed surface of bacterial inclusion bodies and entrapped within these aggregates, respectively. Functional implications of this distinct localization are discussed in the context of Escherichia coli protein quality control.
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The bacterium Lactococcus lactis has become a model organism in studies of growth physiology and membrane transport, as a result of its simple fermentative metabolism. It is also used as a model for studying the importance of specific genes and functions during life in excess nutrients, by comparison of prototrophic wild-type strains and auxotrophic domesticated (dairy) strains. In a study of t...
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Various fluoroquinolones (norfloxacin, enoxacin, ofloxacin, levofloxacin, and sparfloxacin) induce DnaK and GroEL heat shock proteins in Escherichia coli. The induction is transient, consistent with the kinetics of cellular DNA relaxation. The concentrations of fluoroquinolones required for induction are similar to those required for DNA relaxation and much higher than those required for cell d...
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Diagnosis of infectious diseases remains an important issue in medical science. Identification of biomarkers can be used to predict early infections. Recently, heat shock proteins (HSPs) have been known as the conserved compounds expressed under stress conditions in both prokaryotic and eukaryotic systems. These proteins act as molecular chaperones. Several studies showed the increased levels o...
متن کاملGroES/GroEL and DnaK/DnaJ have distinct roles in stress responses and during cell cycle progression in Caulobacter crescentus.
Misfolding and aggregation of protein molecules are major threats to all living organisms. Therefore, cells have evolved quality control systems for proteins consisting of molecular chaperones and proteases, which prevent protein aggregation by either refolding or degrading misfolded proteins. DnaK/DnaJ and GroES/GroEL are the best-characterized molecular chaperone systems in bacteria. In Caulo...
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ژورنال
عنوان ژورنال: Vaccines
سال: 2020
ISSN: 2076-393X
DOI: 10.3390/vaccines8040773