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Trichomonas vaginalis Cysteine Proteinases: Iron Response in Gene Expression and Proteolytic Activity.


ABSTRACT: We focus on the iron response of Trichomonas vaginalis to gene family products such as the cysteine proteinases (CPs) involved in virulence properties. In particular, we examined the effect of iron on the gene expression regulation and function of cathepsin L-like and asparaginyl endopeptidase-like CPs as virulence factors. We addressed some important aspects about CPs genomic organization and we offer possible explanations to the fact that only few members of this large gene family are expressed at the RNA and protein levels and the way to control their proteolytic activity. We also summarized all known iron regulations of CPs at transcriptional, posttranscriptional, and posttranslational levels along with new insights into the possible epigenetic and miRNA processes.

SUBMITTER: Arroyo R 

PROVIDER: S-EPMC4450334 | biostudies-literature | 2015

REPOSITORIES: biostudies-literature

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Trichomonas vaginalis Cysteine Proteinases: Iron Response in Gene Expression and Proteolytic Activity.

Arroyo Rossana R   Cárdenas-Guerra Rosa Elena RE   Figueroa-Angulo Elisa Elvira EE   Puente-Rivera Jonathan J   Zamudio-Prieto Olga O   Ortega-López Jaime J  

BioMed research international 20150518


We focus on the iron response of Trichomonas vaginalis to gene family products such as the cysteine proteinases (CPs) involved in virulence properties. In particular, we examined the effect of iron on the gene expression regulation and function of cathepsin L-like and asparaginyl endopeptidase-like CPs as virulence factors. We addressed some important aspects about CPs genomic organization and we offer possible explanations to the fact that only few members of this large gene family are expresse  ...[more]

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