<p>La variabilidad climática local constituye uno de los factores naturales más significativos en los procesos y dinámicas que ocurren en un determinado paisaje. Por esta razón, es importante conocer los montos pluviométricos y su distribución temporal, como así también la recurrencia y magnitud de eventos de inundación y sequía. Por otra parte, el conocimiento de la presencia de bacterias lácticas en función de las condiciones ambientales es de sumo interés, tanto para la producción de quesos artesanales como industriales. En este marco, el objetivo de este trabajo fue relacionar la presencia de bacterias lácticas autóctonas en ambientes naturales y las características del paisaje asociadas a la variabilidad climática local. Los resultados permitieron demostrar que la situación ambiental al momento del muestreo, se relacionó directamente con la capacidad de crecimiento de las cepas de bacterias lácticas bajo estudio en condiciones <em>in vitro</em>.</p>
<p>Considerando la ancestral tradición de la manufactura quesera en la Provincia de Corrientes y el acercamiento de pequeños productores zonales a la Universidad ocurrido en 2014. El Grupo BiMIA realizó, en el año 2015, una Jornada Práctica de elaboración de quesos en San Luis del Palmar, enfatizando las Buenas Prácticas de Manufactura y el uso de insumos tradicionales a fin de mantener esta usanza, que genera un producto de características particulares y puede ocasionar una mayor demanda, contribuyendo al desarrollo sustentable y sostenibilidad productiva de la región. Se presenta la experiencia y algunos resultados de importancia.</p><p> </p>
Lactic acid bacteria are distributed in nature, isolating themselves from diverse ecosystems and presenting a wide metabolic biodiversity. In Corrientes (Argentina), artisanal cheeses and their specifi c environment are an important source of autochthonous lactic acid bacteria. The objective of this work was to establish associations between the phenotypic characteristics of strains of Lactococcus lactis subsp. lactis native from Corrientes with climatological data of the Province and the characteristics of the soil and the landscapes. Physiological and biochemical characterization data of Lactococcus lactis subsp. lactis isolated from the dairy environment and from different localities of Corrientes will be used. The strains were space-located through Google Earth, fl ood and drought events were evaluated using Standardized Precipitation Evapotranspiration Index, and soil composition data (A and Bt horizons) in the study areas were obtained from the experimental station National Institute of Agricultural Technology -Corrientes.A statistical analysis was applied to these results (Infostat Software, Di Rienzo et al. 2008). The resulting consists in three conglomerates, differentiating strains from soils coming from "fl ooded landscapes" and those from "sandy hills landscape". The analysis by main components highlighted the preference of strains from fl ooded landscapes by a saline-alkaline environment, affecting during periods of drought, and strains from sandy hills landscape by a low medium in salts and acid soil, directly during period of high humidity resulting from previous fl oods.
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