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

Trichomonas vaginalis Cysteine Proteinases: Iron Response in Gene Expression and Proteolytic Activity.
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DOI:
10.1155/2015/946787
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发表时间:
2015
影响因子:
--
通讯作者:
Ortega-López J
Ortega-López J
中科院分区:
生物学3区
文献类型:
--
作者:
Arroyo R;Cárdenas-Guerra RE;Figueroa-Angulo EE;Puente-Rivera J;Zamudio-Prieto O;Ortega-López J

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我们重点关注阴道毛滴虫对基因家族产物(例如涉及毒力特性的半胱氨酸蛋白酶(CP))的铁反应。特别是,我们检查了铁对组织蛋白酶 L 样和天冬酰胺酰内肽酶样 CP 作为毒力因子的基因表达调控和功能的影响。我们讨论了有关 CP 基因组组织的一些重要方面,并对这个大基因家族中只有少数成员在 RNA 和蛋白质水平上表达的事实以及控制其蛋白水解活性的方式提供了可能的解释。我们还总结了 CP 在转录、转录后和翻译后水平上的所有已知铁调控,以及对可能的表观遗传和 miRNA 过程的新见解。
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.
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发表时间: 1993-01-01
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