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Changes in K+ Concentration as a Signaling Mechanism in the Apicomplexa Parasites Plasmodium and Toxoplasma

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Autor(es):
Dos Santos, Benedito M. ; Przyborski, Jude M. ; Garcia, Celia R. S.
Número total de Autores: 3
Tipo de documento: Artigo Científico
Fonte: INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES; v. 24, n. 8, p. 11-pg., 2023-04-01.
Resumo

During their life cycle, apicomplexan parasites pass through different microenvironments and encounter a range of ion concentrations. The discovery that the GPCR-like SR25 in Plasmodium falciparum is activated by a shift in potassium concentration indicates that the parasite can take advantage of its development by sensing different ionic concentrations in the external milieu. This pathway involves the activation of phospholipase C and an increase in cytosolic calcium. In the present report, we summarize the information available in the literature regarding the role of potassium ions during parasite development. A deeper understanding of the mechanisms that allow the parasite to cope with ionic potassium changes contributes to our knowledge about the cell cycle of Plasmodium spp. (AU)

Processo FAPESP: 17/08684-7 - Decodificar aspectos da biologia celular e molecular do Plasmodium como uma ferramenta para desenvolver novos antimaláricos
Beneficiário:Célia Regina da Silva Garcia
Modalidade de apoio: Auxílio à Pesquisa - Temático
Processo FAPESP: 20/08988-9 - Avaliação de compostos com potencial antimalárico e estudo do mecanismo de transdução de sinal do GPCR (G-Protein Coupled Receptor) like PfSR25 em Plasmodium falciparum
Beneficiário:Benedito Matheus dos Santos
Modalidade de apoio: Bolsas no Brasil - Doutorado Direto