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Nucleotide synthesis and regulation in a human gut pathogen


Marketed By :  LAP LAMBERT Academic Publishing   Sold By :  Kamal Books International  
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  • Product Description

Understanding the physiology of bacterial pathogens is essential to design more effective therapies. Thus the biochemical and molecular characteristics of aspartate carbamoyltransferase, the first step in pyrimidine biosynthesis, was investigated in the human pathogen Helicobacter pylori. Using enzymatic analysis procedures including NMR spectroscopy and radioactive tracer analysis, the regulatory properties of H. pylori ACTase were determined. The results indicated that the first step in this pathway of H. pylori was highly regulated. To determine whether ACTase plays an essential role in cell survival in H. pylori, an attempt was made to construct a mutant deficient in this enzyme activity. However, no mutants were isolated. These findings suggest ACTase is essential for survival of H. pylori. As ACTase appeared to be a potential therapeutic target, the effects of PALA, a potent inhibitor of this enzyme, was tested on cell viability. However, PALA had no effect on the viability of the cells. The results suggested H. pylori transformed the inhibitor into non-cytotoxic products, thus providing the bacterium with a mechanism of resistance that appears unique.

Product Specifications
SKU :COC49676
AuthorBrendan Burns
Number of Pages228
Publishing Year2010-09-13T00:00:00.000
Edition1 st
Book TypeMicrobiology (non-medical)
Country of ManufactureIndia
Product BrandLAP LAMBERT Academic Publishing
Product Packaging InfoBox
In The Box1 Piece
Product First Available On ClickOnCare.com2015-04-08 00:00:00