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Biblioteca (s) : |
INIA Las Brujas. |
Fecha : |
23/08/2018 |
Actualizado : |
23/08/2018 |
Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
Autor : |
ABREO, E.; VALLE, D.; MUJICA, V.; ALTIER, N. |
Afiliación : |
EDUARDO RAUL ABREO GIMENEZ, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; DIANA VALLE LOPEZ, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; MARIA VALENTINA MUJICA TELIZ, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; NORA ADRIANA ALTIER MANZINI, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay. |
Título : |
Pathogenicity and virulence factors of Lysinibacillus xylanilyticus and Bacillus spp. towards Argyrotaenia sphaleropa larvae (Lepidoptera). |
Complemento del título : |
Original contribution. |
Fecha de publicación : |
2018 |
Fuente / Imprenta : |
Journal of Applied Entomology, 2018, p.1-11. |
DOI : |
10.1111/jen.12539 |
Idioma : |
Inglés |
Notas : |
Article history: Received: 28 January 2018 / Accepted: 3 June 2018 / First published: 04 July 2018. |
Contenido : |
Abstract
Argyrotaenia sphaleropa is a lepidopteran pest in deciduous fruit orchards in Uruguay. The primary control method of these pests is the use of chemical insecticides; however, alternative strategies, friendlier to the environment and compatible with a regional programme of integrated pest management, are definitely needed. Biological control with the use of local entomopathogenic microorganisms could be a sustainable solution. In this study, a biological screening was conducted to characterize spore‐forming bacilli for their capacity to kill larvae of this species. Bacillus thuringiensis, B. pumilus, B. aryabhattai, B. amyloliquefaciens and Lysinibacillus xylanilyticus were identified based on sequence analyses of 16S and partial GyrB gene. Lysinibacilus xylanilyticus showed the highest mortality towards first‐instar larvae fed with diet treated with spore suspensions. Specific virulence factors like proteinaceous parasporal inclusions were observed not only in isolates of B. thuringiensis but also in L. xylanilyticus. Ordering of isolates based on multivariate analysis of putative secondary virulence factors like biosurfactant and biofilm production, haemolytic activity and motility, separated the virulent isolate of L. xylanilyticus. This is the first report of L. xylanilyticus causing mortality in A. sphaleropa or any other member of Lepidoptera. A search for more virulent strains of this species is envisaged.
@© 2018 Blackwell Verlag GmbH |
Palabras claves : |
16S; BIOFILM; CRY PROTEINS; HAEMOLYSIS; INTEGRATES PEST MANAGEMENT. |
Thesagro : |
TORTRICIDAE. |
Asunto categoría : |
-- |
Marc : |
LEADER 02319naa a2200253 a 4500 001 1058944 005 2018-08-23 008 2018 bl uuuu u00u1 u #d 024 7 $a10.1111/jen.12539$2DOI 100 1 $aABREO, E. 245 $aPathogenicity and virulence factors of Lysinibacillus xylanilyticus and Bacillus spp. towards Argyrotaenia sphaleropa larvae (Lepidoptera).$h[electronic resource] 260 $c2018 500 $aArticle history: Received: 28 January 2018 / Accepted: 3 June 2018 / First published: 04 July 2018. 520 $aAbstract Argyrotaenia sphaleropa is a lepidopteran pest in deciduous fruit orchards in Uruguay. The primary control method of these pests is the use of chemical insecticides; however, alternative strategies, friendlier to the environment and compatible with a regional programme of integrated pest management, are definitely needed. Biological control with the use of local entomopathogenic microorganisms could be a sustainable solution. In this study, a biological screening was conducted to characterize spore‐forming bacilli for their capacity to kill larvae of this species. Bacillus thuringiensis, B. pumilus, B. aryabhattai, B. amyloliquefaciens and Lysinibacillus xylanilyticus were identified based on sequence analyses of 16S and partial GyrB gene. Lysinibacilus xylanilyticus showed the highest mortality towards first‐instar larvae fed with diet treated with spore suspensions. Specific virulence factors like proteinaceous parasporal inclusions were observed not only in isolates of B. thuringiensis but also in L. xylanilyticus. Ordering of isolates based on multivariate analysis of putative secondary virulence factors like biosurfactant and biofilm production, haemolytic activity and motility, separated the virulent isolate of L. xylanilyticus. This is the first report of L. xylanilyticus causing mortality in A. sphaleropa or any other member of Lepidoptera. A search for more virulent strains of this species is envisaged. @© 2018 Blackwell Verlag GmbH 650 $aTORTRICIDAE 653 $a16S 653 $aBIOFILM 653 $aCRY PROTEINS 653 $aHAEMOLYSIS 653 $aINTEGRATES PEST MANAGEMENT 700 1 $aVALLE, D. 700 1 $aMUJICA, V. 700 1 $aALTIER, N. 773 $tJournal of Applied Entomology, 2018, p.1-11.
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Registro original : |
INIA Las Brujas (LB) |
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Biblioteca (s) : |
INIA Tacuarembó. |
Fecha actual : |
04/04/2016 |
Actualizado : |
04/04/2016 |
Tipo de producción científica : |
Poster |
Autor : |
CATANZARO, M.P.; SPERANZA, P.R.; REYNO, R.; RUA, G.H. |
Afiliación : |
FACULTAD DE AGRONOMÍA, UNIVERSIDAD DE BUENOS AIRES.; Universidad de la República (UdelaR)/ Facultad de Agronomía; RAFAEL ALEJANDRO REYNO PODESTA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; FACULTAD DE AGRONOMÍA, UNIVERSIDAD DE BUENOS AIRES. |
Título : |
Análisis preliminar de la variabilidad morfológica dentro de la especie Paspalum Notatum en Uruguay. [Poster]. |
Fecha de publicación : |
2015 |
Fuente / Imprenta : |
In: Jornadas Argentinas de Botánica, noviembre, Buenos Aires (AR), 2015. |
Idioma : |
Español |
Contenido : |
El género Paspalum comprende a 350 especies, mayormente americanas. Paspalum notatum es una especie de amplia distribución y gran variabilidad, con representantes diploides y poliploides, valiosa como forrajera y como césped. Fueron descriptas tres variedades botánicas, una de ellas, la var. saurae, correspondiente a los citótipos diploides, y las otras dos, var. latiflorum y var. notatum, a citótipos tetraploides. |
Thesagro : |
PASPALUM; PASPALUM NOTATUM; PLANTAS FORRAJERAS. |
Asunto categoría : |
-- |
URL : |
http://www.ainfo.inia.uy/digital/bitstream/item/5612/1/Poster-REYNO.pdf
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Marc : |
LEADER 01012nam a2200181 a 4500 001 1054589 005 2016-04-04 008 2015 bl uuuu u00u1 u #d 100 1 $aCATANZARO, M.P. 245 $aAnálisis preliminar de la variabilidad morfológica dentro de la especie Paspalum Notatum en Uruguay. [Poster].$h[electronic resource] 260 $aIn: Jornadas Argentinas de Botánica, noviembre, Buenos Aires (AR)$c2015 520 $aEl género Paspalum comprende a 350 especies, mayormente americanas. Paspalum notatum es una especie de amplia distribución y gran variabilidad, con representantes diploides y poliploides, valiosa como forrajera y como césped. Fueron descriptas tres variedades botánicas, una de ellas, la var. saurae, correspondiente a los citótipos diploides, y las otras dos, var. latiflorum y var. notatum, a citótipos tetraploides. 650 $aPASPALUM 650 $aPASPALUM NOTATUM 650 $aPLANTAS FORRAJERAS 700 1 $aSPERANZA, P.R. 700 1 $aREYNO, R. 700 1 $aRUA, G.H.
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