{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,2,14]],"date-time":"2025-02-14T05:13:46Z","timestamp":1739510026386,"version":"3.37.0"},"reference-count":55,"publisher":"EDP Sciences","license":[{"start":{"date-parts":[[2025,2,12]],"date-time":"2025-02-12T00:00:00Z","timestamp":1739318400000},"content-version":"vor","delay-in-days":42,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"funder":[{"DOI":"10.13039\/501100001665","name":"Agence Nationale de la Recherche","doi-asserted-by":"publisher","award":["11-LABX-0024-01"],"award-info":[{"award-number":["11-LABX-0024-01"]}],"id":[{"id":"10.13039\/501100001665","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001411","name":"Indian Council of Medical Research","doi-asserted-by":"publisher","award":["IIRPIG-2023-0000873"],"award-info":[{"award-number":["IIRPIG-2023-0000873"]}],"id":[{"id":"10.13039\/501100001411","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Parasite"],"accepted":{"date-parts":[[2024,12,30]]},"published-print":{"date-parts":[[2025]]},"abstract":"<jats:p>Visceral leishmaniasis, a life-threatening vector-borne illness that disproportionately affects children and elderly immunocompromised people, is a primary tropical neglected disease. No apoptotic partner proteins have yet been reported in <jats:italic>Leishmania donovani<\/jats:italic>, while their identification could contribute to knowledge on parasite cell death and the establishment of alternative therapeutics. We searched for mammalian Bcl-2 family protein orthologs and found one anti-apoptotic and two pro-apoptotic orthologs in <jats:italic>L. donovani<\/jats:italic>. A pro-death aquaporin protein, due to its characteristic BH3 domain known to interact with pro-apoptotic proteins in mammalian Bcl-2 family proteins, was also included in this study. Molecular docking and molecular dynamics simulations were conducted to assess protein-protein interactions between the identified apoptotic proteins and mimic mammalian intrinsic apoptotic pathways. The results showed that both pro-apoptotic proteins interacted with the hydrophobic pocket of the anti-apoptotic ortholog, forming a stable complex. This interaction may represent a critical event in an apoptotic pathway in <jats:italic>L. donovani<\/jats:italic>. To further characterise it, we used CRISPR-Cas9 approaches to target the identified proteins. Pure knocked population mutants, and episomal over-expressing mutant cells were exposed to apoptotic stimuli. Terminal deoxynucleotidyl transferase dUTP nick end labeling (TUNEL) assay and quantitative expression profiling suggested that these proteins are involved in the parasite\u2019s apoptosis and could play a role in its survival.<\/jats:p>","DOI":"10.1051\/parasite\/2024081","type":"journal-article","created":{"date-parts":[[2025,2,13]],"date-time":"2025-02-13T08:52:11Z","timestamp":1739436731000},"page":"9","source":"Crossref","is-referenced-by-count":0,"title":["Apoptotic proteins in <i>Leishmania donovani<\/i>: <i>in silico<\/i> screening, modeling, and validation by knock-out and gene expression 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