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Registro completo
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Biblioteca (s) : |
INIA Las Brujas. |
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Fecha : |
15/01/2018 |
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Actualizado : |
07/12/2018 |
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Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
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Autor : |
VAZ, P.; ALTIER, N.; PÉREZ, C.; KINKEL, L. |
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Afiliación : |
PATRICIA VAZ JAURI, MEC/ IIBCE (Instituto de Investigaciones de Ciencias Biológicas "Clemente Estable"); INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay;Universidad de la República (UdelaR)/ Facultad de Agronomía; NORA ADRIANA ALTIER MANZINI, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; CARLOS A. PÉREZ, Universidad de Minnesota; LINDA KINKEL, Universidad de la República (UdelaR)/ Facultad de Agronomía. |
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Título : |
Cropping history effects on pathogen suppressive and signaling dynamics in Streptomyces communities. |
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Complemento del título : |
Research. |
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Fecha de publicación : |
2018 |
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Fuente / Imprenta : |
Phytobiomes Journal, 2018, Volume 2, Number 1, Pages 14-23. (First look online 2017). OPEN ACCESS. |
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ISSN : |
2471-2906 |
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DOI : |
10.1094/PBIOMES-05-17-0024-R |
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Idioma : |
Inglés |
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Notas : |
Article history: Issue Date 30 Mar 2018 // Published 12 Feb 2018 // First Look 19 Dec 2017 // Accepted 17 Dec 2017. |
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Contenido : |
ABSTRACT.
Diseases remain a yield-limiting factor for crops despite the availability of control measures for many pathogens. Indigenous soil microorganisms can suppress some plant pathogens, yet there is little systematic information on the effects of cropping systems on disease-suppressive populations in soil. Streptomyces have been associated with suppression of plant diseases in several naturally-occurring disease-suppressive soils. Pathogen-suppressive activity of Streptomyces communities is correlated with higher bacterial densities and for inhibitory phenotypes, driven by competition among indigenous soil bacteria. We sought to characterize relationships between cropping practices and pathogen suppression among soil Streptomyces . We evaluated bacterial and Streptomyces densities and inhibitory activities in soils from a long-term crop rotation experiment. Signaling interactions that altered inhibitory phenotypes among sympatric populations were also evaluated for a subset of samples. Soils from longer rotations, which had a higher number of plant species over time, had larger bacterial and Streptomyces densities, and more inhibitors than soils from shorter rotations. In addition, signaling occurred more frequently among isolates from higher-density communities. Our work shows that bacterial density, pathogen suppression and signaling are interrelated and are affected by crop rotation, suggesting the potential for management to optimize suppressive populations.
© 2018 The American Phytopathological Society. MenosABSTRACT.
Diseases remain a yield-limiting factor for crops despite the availability of control measures for many pathogens. Indigenous soil microorganisms can suppress some plant pathogens, yet there is little systematic information on the effects of cropping systems on disease-suppressive populations in soil. Streptomyces have been associated with suppression of plant diseases in several naturally-occurring disease-suppressive soils. Pathogen-suppressive activity of Streptomyces communities is correlated with higher bacterial densities and for inhibitory phenotypes, driven by competition among indigenous soil bacteria. We sought to characterize relationships between cropping practices and pathogen suppression among soil Streptomyces . We evaluated bacterial and Streptomyces densities and inhibitory activities in soils from a long-term crop rotation experiment. Signaling interactions that altered inhibitory phenotypes among sympatric populations were also evaluated for a subset of samples. Soils from longer rotations, which had a higher number of plant species over time, had larger bacterial and Streptomyces densities, and more inhibitors than soils from shorter rotations. In addition, signaling occurred more frequently among isolates from higher-density communities. Our work shows that bacterial density, pathogen suppression and signaling are interrelated and are affected by crop rotation, suggesting the potential for management to optimize suppressive populations.
© 2018 ... Presentar Todo |
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Palabras claves : |
STREPTOMYCES. |
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Asunto categoría : |
-- |
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URL : |
http://www.ainfo.inia.uy/digital/bitstream/item/12152/1/pbiomes-05-17-0024-r.pdf
https://apsjournals.apsnet.org/doi/pdf/10.1094/PBIOMES-05-17-0024-R
https://apsjournals.apsnet.org/doi/suppl/10.1094/PBIOMES-05-17-0024-R
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Marc : |
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022 $a2471-2906
024 7 $a10.1094/PBIOMES-05-17-0024-R$2DOI
100 1 $aVAZ, P.
245 $aCropping history effects on pathogen suppressive and signaling dynamics in Streptomyces communities.$h[electronic resource]
260 $c2018
500 $aArticle history: Issue Date 30 Mar 2018 // Published 12 Feb 2018 // First Look 19 Dec 2017 // Accepted 17 Dec 2017.
520 $aABSTRACT. Diseases remain a yield-limiting factor for crops despite the availability of control measures for many pathogens. Indigenous soil microorganisms can suppress some plant pathogens, yet there is little systematic information on the effects of cropping systems on disease-suppressive populations in soil. Streptomyces have been associated with suppression of plant diseases in several naturally-occurring disease-suppressive soils. Pathogen-suppressive activity of Streptomyces communities is correlated with higher bacterial densities and for inhibitory phenotypes, driven by competition among indigenous soil bacteria. We sought to characterize relationships between cropping practices and pathogen suppression among soil Streptomyces . We evaluated bacterial and Streptomyces densities and inhibitory activities in soils from a long-term crop rotation experiment. Signaling interactions that altered inhibitory phenotypes among sympatric populations were also evaluated for a subset of samples. Soils from longer rotations, which had a higher number of plant species over time, had larger bacterial and Streptomyces densities, and more inhibitors than soils from shorter rotations. In addition, signaling occurred more frequently among isolates from higher-density communities. Our work shows that bacterial density, pathogen suppression and signaling are interrelated and are affected by crop rotation, suggesting the potential for management to optimize suppressive populations. © 2018 The American Phytopathological Society.
653 $aSTREPTOMYCES
700 1 $aALTIER, N.
700 1 $aPÉREZ, C.
700 1 $aKINKEL, L.
773 $tPhytobiomes Journal, 2018, Volume 2, Number 1, Pages 14-23. (First look online 2017). OPEN ACCESS.
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| 26. |  | GASPARRI, M.; PEREZ, G.; ALONSO, R.; PEREZ, C.A. Identificación de las especies de Calonectria presentes en viveros forestales en Paysandú. In: JORNADA TÉCNICA DE PROTECCIÓN FORESTAL, 6., 2013, TACUAREMBÓ, UY; BALMELLI, G.; SIMETO, S.; MARTINEZ, G.; GOMEZ, D. (Ed.). Montevideo, UY: INIA, 2014. 39-52 (INIA Serie Técnica; 213)| Tipo: Capítulo en Libro Técnico-Científico |
| Biblioteca(s): INIA Tacuarembó. |
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| 29. | | PALLADINO, C.; PAREJA, L.; PEREYRA, S.; PÉREZ, C. Problems of pesticide residues in grains. [La problemática de los residuos de fitosanitarios en granos]. [Problemática dos resíduos de fitossanitários em grãos]. I Technical Conference of the Plant Protection Group - EEMAC. Agrociencia Uruguay, 2023, Vol.27 (Supplement), e1230. https://doi.org/10.31285/AGRO.27.1230 -- OPEN ACCESS. Article history: Received 24 Jul 2032; Accepted 25 Jul 2023; Published 11 Sep 2023. -- Editor: Horacio Silva, Universidad de la República, Facultad de Agronomía, Paysandú, Uruguay. -- Correspondence: Cintia Palladino,...| Tipo: Artículos en Revistas Indexadas Nacionales | Circulación / Nivel : Nacional - -- |
| Biblioteca(s): INIA Las Brujas. |
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| 36. | | VAZ, P.; DINI, S.; NÚÑEZ, L.; ABREO, E.; BEYHAUT, E.; PÉREZ, C.; ALTIER, N. Análisis de las comunidades microbianas benéficas del suelo para el diseño de un índice de salud para la siembra de soja. [p46]. Bloque 3: Manejo de insectos-plaga, malezas y enfermedades. In: Sociedad Uruguaya de Fitopatología Jornada Uruguaya de Fitopatología, 4., Jornada Uruguaya de Protección Vegetal, 2., 1° setiembre, 2017, Montevideo, Uruguay. Libro de resúmenes. Montevideo (UY): Sociedad Uruguay de Fitopatología (SUFIT), 2017. p. 71. Financiamiento: ANII.| Tipo: Abstracts/Resúmenes |
| Biblioteca(s): INIA Las Brujas. |
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| 37. | | HOFFMAN, E.; VIEGA, L.; GLISON, N.; CASTRO, A.; PEREYRA, S.; PÉREZ, C. Differential effects of spot blotch on photosynthesis and grain yield in two barley cultivars. European Journal of Plant Pathology, v. 139, n. 3, p. 471-480, 2014. Article history: Accepted: 12 February 2014 /Published online: 27 February 2014.| Tipo: Artículos en Revistas Indexadas Internacionales | Circulación / Nivel : B - 1 |
| Biblioteca(s): INIA La Estanzuela. |
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| 39. | | GUTIÉRREZ, L.; BERBERIAN, N.; CAPETTINI, F.; GERMAN, S.; PEREYRA, S.; PÉREZ, C.; CASTRO, A. Disease resistance QTLs in barley germplasm from Latin America In: INTERNATIONAL ANIMAL AND PLANT GENOME CONFERENCE, 20., 2012, San Diego, CA, US. Posters: wheat, barley, oat, and related. P0350. [s.l.: INTL-PAG], 2012.| Biblioteca(s): INIA La Estanzuela. |
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| 40. | | BARTABURU, V.; VAZ, P.; ABREO, E.; DINI, S.; ALTIER, N.; PÉREZ, C. A.; BEYHAUT, E. Diseño de un índice de salud del suelo para la toma de decisiones en la siembra de soja. [p29]. Bloque 3: Manejo de insectos-plaga, malezas y enfermedades. In: Sociedad Uruguaya de Fitopatología Jornada Uruguaya de Fitopatología, 4., Jornada Uruguaya de Protección Vegetal, 2., 1° setiembre, 2017, Montevideo, Uruguay. Libro de resúmenes. Montevideo (UY): Sociedad Uruguay de Fitopatología (SUFIT), 2017. p. 54. Financiamiento: Proyecto Innovagro FSA12444 ?Diseño de un índice de salud del suelo para la toma de decisiones en la siembra de soja?, financiado por ANII.| Tipo: Abstracts/Resúmenes |
| Biblioteca(s): INIA Las Brujas. |
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| Registros recuperados : 112 | |
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