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Larvicidal Activiti...
Larvicidal Activities against Aedes aegypti of Supernatant and Pellet Fractions from Cultured Bacillus spp. Isolated from Amazonian Microenvironments
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- Katak, Ricardo M. (author)
- Univ Fed Amazonas UFAM, Programa Multiinst Posgrad Biotecnol PPGBIOTEC, BR-69042270 Manaus, Amazonas, Brazil.
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- Rocha, Elerson M. (author)
- Univ Fed Amazonas UFAM, Programa Multiinst Posgrad Biotecnol PPGBIOTEC, BR-69042270 Manaus, Amazonas, Brazil.
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- Oliveira, Juan C. (author)
- Univ Fed Amazonas UFAM, Programa Multiinst Posgrad Biotecnol PPGBIOTEC, BR-69042270 Manaus, Amazonas, Brazil.
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- Muniz, Veranilce A. (author)
- Univ Estado Amazonas UEA, Programa Posgrad Biotecnol & Recursos Nat Amazoni, BR-69042270 Manaus, Amazonas, Brazil.
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- Oliveira, Marta R. (author)
- Univ Fed Amazonas UFAM, Programa Posgrad Biodiversidade & Biotecnol PPGBI, BR-69042270 Manaus, Amazonas, Brazil.
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- Ferreira, Francisco A. S. (author)
- Inst Nacl Pesquisas Amazonia INPA, Programa Posgrad Ciencias Biol Entomol PPGENT, BR-69042270 Manaus, Amazonas, Brazil.
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- Silva, William R. (author)
- Inst Nacl Pesquisas Amazonia INPA, Programa Posgrad Ciencias Biol Entomol PPGENT, BR-69042270 Manaus, Amazonas, Brazil.
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- Roque, Rosemary A. (author)
- Inst Nacl Pesquisas Amazonia INPA, Lab Controle Biol & Biotecnol Malaria & Denque LC, BR-69042270 Manaus, Amazonas, Brazil.
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- de Souza, Antonia Q. L. (author)
- Univ Fed Amazonas UFAM, Fac Ciencias Agr FCA, BR-69042270 Manaus, Amazonas, Brazil.
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- Souza-Neto, Jayme A. (author)
- Sao Paulo State Univ UNESP, Sch Agr Sci, Dept Bioproc & Biotechnol, Cent Multi User Lab, BR-18600000 Botucatu, SP, Brazil.
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- Terenius, Olle (author)
- Uppsala universitet,Mikrobiologi och immunologi
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- Marinotti, Osvaldo (author)
- MTEKPrime, Aliso Viejo, CA 92656 USA.
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- Tadei, Wanderli P. (author)
- Inst Nacl Pesquisas Amazonia INPA, Lab Controle Biol & Biotecnol Malaria & Denque LC, BR-69042270 Manaus, Amazonas, Brazil.
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Univ Fed Amazonas UFAM, Programa Multiinst Posgrad Biotecnol PPGBIOTEC, BR-69042270 Manaus, Amazonas, Brazil Univ Estado Amazonas UEA, Programa Posgrad Biotecnol & Recursos Nat Amazoni, BR-69042270 Manaus, Amazonas, Brazil. (creator_code:org_t)
- 2021-06-17
- 2021
- English.
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In: Tropical Medicine and Infectious Disease. - : MDPI. - 2414-6366. ; 6:2
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https://doi.org/10.3...
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https://uu.diva-port... (primary) (Raw object)
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Abstract
Subject headings
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- The Aedes aegypti mosquito is the primary vector of Dengue, Chikungunya and Zika causing major problems for public health, which requires new strategies for its control, like the use of entomopathogenic microorganisms. In this study, bacteria from various Amazonian environments were isolated and tested for their pathogenicity to A. aegypti larvae. Following thermal shock to select sporulated Bacillus spp., 77 bacterial strains were isolated. Molecular identification per 16S RNA sequences revealed that the assembled strains contained several species of the genus Bacillus and one species each of Brevibacillus, Klebsiella, Serratia, Achromobacter and Brevundimonas. Among the isolated Bacillus sp. strains, 19 showed larvicidal activity against A. aegypti. Two strains of Brevibacillus halotolerans also displayed larvicidal activity. For the first time, larvicidal activity against A. aegypti was identified for a strain of Brevibacillus halotolerans. Supernatant and pellet fractions of bacterial cultures were tested separately for larvicidal activities. Eight strains contained isolated fractions resulting in at least 50% mortality when tested at a concentration of 5 mg/mL. Further studies are needed to characterize the active larvicidal metabolites produced by these microorganisms and define their mechanisms of action.
Subject headings
- NATURVETENSKAP -- Biologi -- Mikrobiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Microbiology (hsv//eng)
Keyword
- Amazonian microbiota
- bioprospecting
- biological control
- Bacillus
- mosquito
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Katak, Ricardo M ...
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Rocha, Elerson M ...
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Oliveira, Juan C ...
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Muniz, Veranilce ...
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Oliveira, Marta ...
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Ferreira, Franci ...
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Silva, William R ...
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Roque, Rosemary ...
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de Souza, Antoni ...
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Souza-Neto, Jaym ...
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Terenius, Olle
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Marinotti, Osval ...
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Tadei, Wanderli ...
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Biological Scien ...
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and Microbiology
- Articles in the publication
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Tropical Medicin ...
- By the university
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Uppsala University