A novel broad-spectrum antibacterial and anti-malarial Anopheles gambiae Cecropin promotes microbial clearance during pupation.

Anophelinae mosquitoes are exposed to a variety of microbes including Plasmodium parasites that cause malaria. When infected, mosquitoes mount versatile immune responses, including the production of antimicrobial peptides. Cecropins are one of the most widely distributed families of antimicrobial pe...

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Main Authors: Cairé Barreto, Victor Cardoso-Jaime, George Dimopoulos
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2024-10-01
Series:PLoS Pathogens
Online Access:https://doi.org/10.1371/journal.ppat.1012652
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author Cairé Barreto
Victor Cardoso-Jaime
George Dimopoulos
author_facet Cairé Barreto
Victor Cardoso-Jaime
George Dimopoulos
author_sort Cairé Barreto
collection DOAJ
description Anophelinae mosquitoes are exposed to a variety of microbes including Plasmodium parasites that cause malaria. When infected, mosquitoes mount versatile immune responses, including the production of antimicrobial peptides. Cecropins are one of the most widely distributed families of antimicrobial peptides in insects and all previously studied Anopheles members are playing roles in adult mosquito immunity. We have identified and characterized a novel member of the Anopheles gambiae cecropin family, cecropin D (CecD), that is uniquely expressed and immune-responsive at late larval stages to promote microbial clearance through its broad-spectrum antibacterial activity during larval-pupal developmental transition. Interestingly, Cecropin D also exhibited highly potent activity against Plasmodium falciparum sporozoites, the malaria parasite stage that is transmitted from mosquitoes and infects humans and thereby holds promise as a malaria transmission-blocking agent. Finally, we have defined unequivocal cecropin-specific molecular signatures to systematically organize the diversity of the cecropin family in malaria vectors.
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institution Kabale University
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publisher Public Library of Science (PLoS)
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spelling doaj-art-abd366909af64564bb9add4a5a2960452024-11-17T05:31:03ZengPublic Library of Science (PLoS)PLoS Pathogens1553-73661553-73742024-10-012010e101265210.1371/journal.ppat.1012652A novel broad-spectrum antibacterial and anti-malarial Anopheles gambiae Cecropin promotes microbial clearance during pupation.Cairé BarretoVictor Cardoso-JaimeGeorge DimopoulosAnophelinae mosquitoes are exposed to a variety of microbes including Plasmodium parasites that cause malaria. When infected, mosquitoes mount versatile immune responses, including the production of antimicrobial peptides. Cecropins are one of the most widely distributed families of antimicrobial peptides in insects and all previously studied Anopheles members are playing roles in adult mosquito immunity. We have identified and characterized a novel member of the Anopheles gambiae cecropin family, cecropin D (CecD), that is uniquely expressed and immune-responsive at late larval stages to promote microbial clearance through its broad-spectrum antibacterial activity during larval-pupal developmental transition. Interestingly, Cecropin D also exhibited highly potent activity against Plasmodium falciparum sporozoites, the malaria parasite stage that is transmitted from mosquitoes and infects humans and thereby holds promise as a malaria transmission-blocking agent. Finally, we have defined unequivocal cecropin-specific molecular signatures to systematically organize the diversity of the cecropin family in malaria vectors.https://doi.org/10.1371/journal.ppat.1012652
spellingShingle Cairé Barreto
Victor Cardoso-Jaime
George Dimopoulos
A novel broad-spectrum antibacterial and anti-malarial Anopheles gambiae Cecropin promotes microbial clearance during pupation.
PLoS Pathogens
title A novel broad-spectrum antibacterial and anti-malarial Anopheles gambiae Cecropin promotes microbial clearance during pupation.
title_full A novel broad-spectrum antibacterial and anti-malarial Anopheles gambiae Cecropin promotes microbial clearance during pupation.
title_fullStr A novel broad-spectrum antibacterial and anti-malarial Anopheles gambiae Cecropin promotes microbial clearance during pupation.
title_full_unstemmed A novel broad-spectrum antibacterial and anti-malarial Anopheles gambiae Cecropin promotes microbial clearance during pupation.
title_short A novel broad-spectrum antibacterial and anti-malarial Anopheles gambiae Cecropin promotes microbial clearance during pupation.
title_sort novel broad spectrum antibacterial and anti malarial anopheles gambiae cecropin promotes microbial clearance during pupation
url https://doi.org/10.1371/journal.ppat.1012652
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