Abstract:
:Ectophosphatases are surface membrane-bound proteins whose active sites face the extracellular medium. These enzymes have been reported in several microorganisms including a large number of medically relevant fungal species. An effective technique for identifying ectophosphatases is performing phosphatase activity assays using living intact cells. Biochemical characterization of these activities has shown their differential modulation by classical phosphatase inhibitors, divalent metals and pH range. The physiological roles of ectophosphatases are not well established; however, it has been suggested that these enzymes play important roles in nutrition, proliferation, differentiation, adhesion, virulence and infection. Adhesion to host cells is the first step in establishing a fungal infection and ectophosphatases may be one of the first parasite proteins that come into contact with the host cells. Several results indicate that ectophosphatase activities increase the capacity of fungi to adhere to the host cells. In this context, the present review provides an overview of recent discoveries related to the occurrence and possible roles of ectophosphatase activities in fungal cells.
journal_name
Int J Mol Scijournal_title
International journal of molecular sciencesauthors
Freitas-Mesquita AL,Meyer-Fernandes JRdoi
10.3390/ijms15022289subject
Has Abstractpub_date
2014-02-06 00:00:00pages
2289-304issue
2issn
1422-0067pii
ijms15022289journal_volume
15pub_type
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