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Antagonistic effects of Bacillus subtilis subsp. subtilis and B.amyloliquefaciens against Macrophomina phaseolina: SEM study offungal changes and UV-MALDI-TOF MS analysis of their bioactivecompounds
Torres, María Julia; Perez Brandan, Carolina; Petroselli, Gabriela; Erra Balsells, Rosa; Audisio, Marcela Carina (Elsevier, 2016-01)The antifungal effect of Bacillus subtilis subsp. subtilis PGPMori7 and Bacillus amyloliquefaciens PGPBacCA1 was evaluated against Macrophomina phaseolina (Tassi) Goid. Cell suspension (CS), cell-free supernatant (CFS) and ... -
Argentine rice and sorghum have promissory potential as service crops for biological inhibition of nitrification
Vassallo, Gianina; Carrizo, M.; Delaporte Quintana, Paola Adriana Georgina; Zarate, M.; Ducci, María Antonella; Perez Brandan, Carolina; Acreche, Martin Moises; Chalco Vera, Jorge Elías (Asociación Argentina Ciencia del Suelo, 2024-05)Agriculture faces the challenge of regulating soil nitrification which promotes the loss of applied nitrogen (N) as, for example, nitrous oxide (N2O) emissions. Biological inhibition of nitrification (BIN), a process that ... -
Bacillus amyloliquefaciens strain enhances rhizospheric microbial growth and reduces root and stem rot in a degraded agricultural system
Sabaté, Daniela; Perez Brandan, Carolina (Elsevier, 2022-05)The aim of this study was to evaluate the ability of Bacillus amyloliquefaciens B14 to improve the quality of a degraded soil in Lerma Valley, northwestern Argentina, as well as crop growth and yield, when inoculated on ... -
Biocontrol of Sclerotinia sclerotiorum (Lib.) de Bary on common bean by native lipopeptide-producer Bacillus strains
Sabate, Daniela Constanza; Perez Brandan, Carolina; Petroselli, Gabriela; Erra Balsells, Rosa; Audisio, Marcela Carina (2018-06)Bacillus sp. B19, Bacillus sp. P12 and B. amyloliquefaciens B14 were isolated from soils of Salta province, and PGPR properties on the common bean (Phaseolus vulgaris L.) cv. Alubia and antagonistic activity against ... -
Biological activity of the lipopeptide-producing Bacillus amyloliquefaciens PGPBacCA1 on common bean Phaseolus vulgaris L. pathogens
Torres, María Julia; Perez Brandan, Carolina; Sabate, Daniela Constanza; Petroselli, Gabriela; Erra Balsells, Rosa; Audisio, Marcela Carina (2017-02)Bacillus amyloliquefaciens PGPBacCA1 was studied regarding its aptitude to protect common bean seeds from their intrinsic pathogens. Also, the inhibition of different environmental phytopathogenic fungi was tested. Two ... -
Carbono de la biomasa microbiana de los suelos como indicador de cambios en sistemas productivos locales
Perez Brandan, Carolina; Huidobro, Dina Jorgelina; Alvarez, Marcos David (EEA Salta, INTA, 2020-09)La degradación del suelo constituye una de las amenazas más graves que atenta contra la sustentabilidad de los diferentes agroecosistemas de la Provincia de Salta. En este escenario, los microorganismos juegan un papel ... -
Changes in microbial and physicochemical properties under cover crop inclusion in a degraded common bean monoculture system
Aban, Carla Luciana; Perez Brandan, Carolina; Verdenelli, Romina Aylen; Huidobro, Dina Jorgelina; Meriles, José Manuel; Vargas Gil, Silvina (Elsevier, 2021-12)The expansion of the common bean monoculture system along with intensive agricultural practices focused on productivity has generated a misuse of natural resources, accompanied by a significant decline of the soil ecosystem ... -
Composición y abundancia de poblaciones fúngicas y bacterianas y sus actividades: respuesta al manejo agroecológico
Chavarria, Diego N.; Pérez Brandan, Carolina; Serri, Dannae Lilia; Meriles, José M.; Restovich, Silvina Beatriz; Andriulo, Adrian Enrique; Jacquelin, Luis; Vargas Gil, Silvina (2017-05)La agroecología propone la autorregulación para lograr un equilibrio agrícola sustentable. Por lo tanto, considerando la rápida respuesta de las comunidades microbianas ante los pequeños cambios en el uso del suelo, el ... -
Decrease in the incidence of charcoal root rot in common bean (Phaseolus vulgaris L.) by Bacillus amyloliquefaciens B14, a strain with PGPR properties
Sabate, Daniela Constanza; Perez Brandan, Carolina; Petroselli, Gabriela; Erra Balsells, Rosa; Audisio, Marcela Carina (2017-10)The objective of this study was to isolate strains of the genus Bacillus from different productive soils of the province of Salta, Argentina, which have growth promoting properties in common bean (Phaseolus vulgaris L.) ... -
Development of a soil quality index for sequences with different levels of land occupation using soil chemical, physical and microbiological properties
Serri, Dannae Lilia; Perez Brandan, Carolina; Meriles, Jose Manuel; Salvagiotti, Fernando; Bacigaluppo, Silvina; Malmantile, Alberto; Vargas Gil, Silvina (Elsevier, 2022-08-04)The sustainable intensification of agricultural systems through crop rotations and/or the use of winter service crops can contribute to the diversification of the systems. This alteration of the surface layer creates ... -
Efecto de la aplicación de bocashi sobre la diversidad microbiana del suelo en el cultivo agroecológico de frutilla
Serri, Dannae Lilia; Sibilia, Sofia; Perez Brandan, Carolina; Silbert, Violeta; Muñoz, Nacira Belen; Bianco, María Veronica; Narmona, Luis; Ruggia, Ornella; Verdenelli, Romina Aylén; Meriles, José Manuel; Vargas Gil, Silvina (Asociación Argentina de Biología y Ecología de Suelos (SABES), 2019-09-15)El presente trabajo bajo la modalidad de Investigación Acción Participativa fue desarrollado por el “Equipo interinstitucional de apoyo para la intensificación ecológica en la producción de alimentos de proximidad” y el ... -
Efecto de la aplicación de efluente porcino sobre la incidencia de carbón del maní
Serri, Dannae Lilia; Bernanrdi Lima, Nelson; Campilongo Mancilla, Ernesto Javier; Perez Brandan, Carolina; Mathier, Diego Fernando; Bragachini, Marcos Ariel; Paredes, Juan Andrés; Monguillot, Joaquín Humberto; Rago, Alejandro Mario; Sosa, Nicolas; Vargas Gil, Silvina (Asociación Argentina de Fitopatólogos, 2021-09-22)El cultivo de maní es afectado por el carbón del maní, causado por Thecaphora frezii Una alternativa al control químico es la aplicación de efluentes, logrando por sus posibles beneficios a la microbiota edáfica reducir ... -
Effect of long-term mineral fertilisation on soil microbial abundance, community structure and diversity in a Typic Hapludoll under intensive farming systems
Verdenelli, Romina Aylen; Dominchin, Maria Florencia; Perez Brandan, Carolina; Rovea, Adrián; Vargas Gil, Silvina; Meriles, Jose Manuel (Wiley, 2019-09-03)Fertiliser application can not only influence plant communities, but also the soil microbial community dynamics, and consequently soil quality. Specifically, mineral fertilisation can directly or indirectly affect soil ... -
Effect of two broad-spectrum fungicides on the microbial communities of a soil subjected to different degrees of water erosion
Verdenelli, Romina A.; Dominchin, María F.; Barbero, Florencia Magali; Perez Brandan, Carolina; Aoki, Antonio; Vargas Gil, Silvina; Meriles, José Manuel (Elsevier, 2023-10)The impact of both fungicide and water erosion on soil microbial communities has been little studied, and far less in subhumid-dry climates. To help fill this knowledge gap, we evaluated the influence of two broad-spectrum ... -
Effects of IFN-γ coding plasmid supplementation in the immune response and protection elicited by Trypanosoma cruzi attenuated parasites
Pérez Brandan, Cecilia María; Mesías, Andrea Cecilia; Parodi Ramoneda, Cecilia María; Cimino, Rubén Oscar; Perez Brandan, Carolina; Diosque, Patricio; Basombrío, Miguel Angel Manuel (BioMed Central, 2017)Background: Previous studies showed that a naturally attenuated strain from Trypanosoma cruzi triggers an immune response mainly related to a Th2-type profile. Albeit this, a strong protection against virulent challenge ... -
Impacto del manejo sobre la microbiota edáfica y las emisiones de gases de efecto invernadero
Frasier, Ileana; Barbero, Florencia Magali; Posse Beaulieu, Gabriela; Perez Brandan, Carolina; Gomez, María Florencia; Fernandez, Romina; Quiroga, Alberto Raul; Restovich, Silvina Beatriz; Meriles, José Manuel; Serri, Dannae Lilia; Figuerola, Eva Lucia Margarita; Rorig, Marcela Laura; Molina, Catalina; Noellemeyer, Elke; Vargas Gil, Silvina; Vangeli, Sebastián (Asociación Argentina de la Ciencia del Suelo, 2022-11-15)El objetivo del trabajo fue estudiar el impacto del manejo del suelo sobre los aportes derivados de raíces y residuos en superficie, su transformación a través de la biomasa microbiana del suelo y su relación con las ... -
Incorporación de trigo en la rotación agrícola : una herramienta para potenciar el funcionamiento del agroecosistema
Serri, Dannae Lilia; Meriles, Jose Manuel; Conforto, Erica Cinthia; Perez Brandan, Carolina; Pastor, Silvina Estela; Grumberg, Betiana Clarisa; Luna, Celina Mercedes; Lorenzon, Claudio Antonio; Arce, Juan Mateo; Marelli, Hugo Juan; Vargas Gil, Silvina (Asociación Argentina Ciencia del Suelo, 2018-07)Argentina es uno de los principales productores y exportadores de granos a nivel mundial. En particular, la región Pampeana es el área de mayor actividad agrícola centrando su producción en el cultivo de soja, seguido del ... -
Influence of a tropical grass (Brachiaria brizantha cv. Mulato) as cover crop on soil biochemical properties in a degraded agricultural soil
Perez Brandan, Carolina; Chavarria, Diego N.; Huidobro, Dina Jorgelina; Meriles, Jose Manuel; Perez Brandan, Cecilia Maria; Vargas Gil, Silvina (Elsevier, 2017-11)The inclusion of tropical grass forage as a cover crop (CC) could be a useful tool to improve microbiological activity and, consequently, soil quality. The aim of this study was to evaluate the effect of Brachiaria brizantha ... -
Influence of land-use changes on microbial community structure and diversity in a semiarid region
Vázquez, Carolina; Verdenelli, Romina A.; Merlo, Carolina; Perez Brandan, Carolina; Kowaljow, Esteban; Meriles, José Manuel (Wiley, 2022-07)Land-use change and the conversion of land into croplands is one of the main drivers of soil degradation and the loss of soil organic carbon. Few studies have evaluated the impact of the expansion of the agricultural ... -
Integrated multivariate analysis of selected soil microbial properties and their relationships with mineral fertilization management in a conservation agriculture system
Verdenelli, Romina Aylen; Conforto, Erica Cinthia; Perez Brandan, Carolina; Chavarria, Diego; Rovea, Adrián; Vargas Gil, Silvina; Meriles, Jose Manuel (Taylor & Francis, 2013)The effect of mineral fertilizer application on soil microbial community was investigated in a conservation agriculture system. The aim of this work was to evaluate how mineral fertilization with nitrogen (N), phosphorus ...