Apicortin, a Constituent of Apicomplexan Conoid/Apical Complex and Its Tentative Role in Pathogen—Host Interaction

In 2009, apicortin was identified in silico as a characteristic protein of apicomplexans that also occurs in the placozoa, <i>Trichoplax adhaerens</i>. Since then, it has been found that apicortin also occurs in free-living cousins of apicomplexans (chromerids) and in flagellated fungi....

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Main Author: Ferenc Orosz
Format: Article
Language:English
Published: MDPI AG 2021-06-01
Series:Tropical Medicine and Infectious Disease
Subjects:
Online Access:https://www.mdpi.com/2414-6366/6/3/118
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author Ferenc Orosz
author_facet Ferenc Orosz
author_sort Ferenc Orosz
collection DOAJ
description In 2009, apicortin was identified in silico as a characteristic protein of apicomplexans that also occurs in the placozoa, <i>Trichoplax adhaerens</i>. Since then, it has been found that apicortin also occurs in free-living cousins of apicomplexans (chromerids) and in flagellated fungi. It contains a partial p25-α domain and a doublecortin (DCX) domain, both of which have tubulin/microtubule binding properties. Apicortin has been studied experimentally in two very important apicomplexan pathogens, <i>Toxoplasma gondii</i> and <i>Plasmodium falciparum</i>. It is localized in the apical complex in both parasites. In <i>T. gondii</i>, apicortin plays a key role in shaping the structure of a special tubulin polymer, conoid. In both parasites, its absence or downregulation has been shown to impair pathogen–host interactions. Based on these facts, it has been suggested as a therapeutic target for treatment of malaria and toxoplasmosis.
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spelling doaj.art-3d4d78236443495981206b060c30381f2023-11-22T02:26:46ZengMDPI AGTropical Medicine and Infectious Disease2414-63662021-06-016311810.3390/tropicalmed6030118Apicortin, a Constituent of Apicomplexan Conoid/Apical Complex and Its Tentative Role in Pathogen—Host InteractionFerenc Orosz0Research Centre for Natural Sciences, Institute of Enzymology, Magyar Tudósok Körútja 2, 1117 Budapest, HungaryIn 2009, apicortin was identified in silico as a characteristic protein of apicomplexans that also occurs in the placozoa, <i>Trichoplax adhaerens</i>. Since then, it has been found that apicortin also occurs in free-living cousins of apicomplexans (chromerids) and in flagellated fungi. It contains a partial p25-α domain and a doublecortin (DCX) domain, both of which have tubulin/microtubule binding properties. Apicortin has been studied experimentally in two very important apicomplexan pathogens, <i>Toxoplasma gondii</i> and <i>Plasmodium falciparum</i>. It is localized in the apical complex in both parasites. In <i>T. gondii</i>, apicortin plays a key role in shaping the structure of a special tubulin polymer, conoid. In both parasites, its absence or downregulation has been shown to impair pathogen–host interactions. Based on these facts, it has been suggested as a therapeutic target for treatment of malaria and toxoplasmosis.https://www.mdpi.com/2414-6366/6/3/118apicortin<i>Plasmodium</i><i>Toxoplasma</i>p25alpha domainDCX domainapicomplexa
spellingShingle Ferenc Orosz
Apicortin, a Constituent of Apicomplexan Conoid/Apical Complex and Its Tentative Role in Pathogen—Host Interaction
Tropical Medicine and Infectious Disease
apicortin
<i>Plasmodium</i>
<i>Toxoplasma</i>
p25alpha domain
DCX domain
apicomplexa
title Apicortin, a Constituent of Apicomplexan Conoid/Apical Complex and Its Tentative Role in Pathogen—Host Interaction
title_full Apicortin, a Constituent of Apicomplexan Conoid/Apical Complex and Its Tentative Role in Pathogen—Host Interaction
title_fullStr Apicortin, a Constituent of Apicomplexan Conoid/Apical Complex and Its Tentative Role in Pathogen—Host Interaction
title_full_unstemmed Apicortin, a Constituent of Apicomplexan Conoid/Apical Complex and Its Tentative Role in Pathogen—Host Interaction
title_short Apicortin, a Constituent of Apicomplexan Conoid/Apical Complex and Its Tentative Role in Pathogen—Host Interaction
title_sort apicortin a constituent of apicomplexan conoid apical complex and its tentative role in pathogen host interaction
topic apicortin
<i>Plasmodium</i>
<i>Toxoplasma</i>
p25alpha domain
DCX domain
apicomplexa
url https://www.mdpi.com/2414-6366/6/3/118
work_keys_str_mv AT ferencorosz apicortinaconstituentofapicomplexanconoidapicalcomplexanditstentativeroleinpathogenhostinteraction