Abstract
The α/β hydrolase fold superfamily is an ancient and widely diversified group of primarily hydrolytic enzymes. In this review, the adaptations of these proteins to the pathogenic lifestyle of Mycobacterium tuberculosis (Mtb), the causative agent of tuberculosis, are examined. Of the 105 α/β hydrolases identified in Mtb, many are associated with lipid metabolism, particularly in the biosynthesis and maintenance of the Mtb’s unique cell envelope, as well in the large number of extracellular lipases that are likely responsible for degradation of host lipid material. α/β hydrolase fold proteins are also involved in the evasion and modulation of the immune response, detoxification and metabolic adaptations, including growth, response to acidification of the intracellular environment and dormancy. A striking feature of Mtb’s α/β hydrolases is their diversification into virulence-associated niches. It is clear that the α/β hydrolase fold family has made a significant contribution to Mtb’s remarkable success as a pathogen.
Keywords: α/β hydrolase fold, esterase, lipase, cholinesterase, Mycobacterium tuberculosis, virulence.
Current Protein & Peptide Science
Title:The α/β Hydrolase Fold Proteins of Mycobacterium tuberculosis, with Reference to their Contribution to Virulence
Volume: 18 Issue: 3
Author(s): Glynis Johnson
Affiliation:
Keywords: α/β hydrolase fold, esterase, lipase, cholinesterase, Mycobacterium tuberculosis, virulence.
Abstract: The α/β hydrolase fold superfamily is an ancient and widely diversified group of primarily hydrolytic enzymes. In this review, the adaptations of these proteins to the pathogenic lifestyle of Mycobacterium tuberculosis (Mtb), the causative agent of tuberculosis, are examined. Of the 105 α/β hydrolases identified in Mtb, many are associated with lipid metabolism, particularly in the biosynthesis and maintenance of the Mtb’s unique cell envelope, as well in the large number of extracellular lipases that are likely responsible for degradation of host lipid material. α/β hydrolase fold proteins are also involved in the evasion and modulation of the immune response, detoxification and metabolic adaptations, including growth, response to acidification of the intracellular environment and dormancy. A striking feature of Mtb’s α/β hydrolases is their diversification into virulence-associated niches. It is clear that the α/β hydrolase fold family has made a significant contribution to Mtb’s remarkable success as a pathogen.
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Cite this article as:
Johnson Glynis, The α/β Hydrolase Fold Proteins of Mycobacterium tuberculosis, with Reference to their Contribution to Virulence, Current Protein & Peptide Science 2017; 18 (3) . https://dx.doi.org/10.2174/1389203717666160729093515
DOI https://dx.doi.org/10.2174/1389203717666160729093515 |
Print ISSN 1389-2037 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-5550 |
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