In vitro evaluation of hydrolytic enzyme activity and biofilm formation of Candida parapsilosis species complex from a nosocomial environment

Rev Soc Bras Med Trop. 2017 Jul-Aug;50(4):558-561. doi: 10.1590/0037-8682-0032-2017.

Abstract

Introduction:: Candida parapsilosis complex species, frequently found in hospital environments, have gained importance as etiological agents of candidemia.

Methods:: Candida parapsilosis complex isolates from a nosocomial environment were identified and their hydrolitic enzyme activity and ability to form biofilm were characterized.

Results:: Twenty-two C. parapsilosis sensu stricto isolates produced proteinase and three produced phospholipase. Most Candida metapsilosis isolates produced proteinase and one also produced phospholipase. All 29 isolates formed biofilms.

Conclusions:: The nosocomial environment may act as a reservoir for C. parapsilosis complex isolates with phenotypic features that could possibly lead to nosocomial infections and health complications in hospital patients.

MeSH terms

  • Biofilms / growth & development*
  • Candida / enzymology*
  • Candida / isolation & purification
  • Candida / metabolism
  • Health Facility Environment
  • Hydrolysis
  • Peptide Hydrolases / biosynthesis*
  • Phospholipases / biosynthesis*

Substances

  • Phospholipases
  • Peptide Hydrolases