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Viruses are ubiquitous in all environments and hot-springs are not the exception even though its extreme conditions. Phototrophic mats of terrestrial hot-springs have been used for decades as models for understanding the composition, structure, and function of microbial communities in nature. The...

Los virus son ubicuos en todos los entornos y las fuentes termales no son la excepción a pesar de sus condiciones extremas. Los tapetes fototróficoss de las fuentes termales terrestres se han utilizado durante décadas como modelos para comprender la composición, estructura y función de las comuni...

Los biotensoactivos son moléculas anfipáticas compuestas por dos regiones, una hidrofílica y otra hidrofóbica. Son excretados extracelularmente por diferentes microorganismos, tales como bacterias, hongos y levaduras. Dentro de estos existen los biosurfactantes que disminuyen la tensión superfici...

Heap bioleaching technology has been successfully applied at an industrial scale for over 30 years, and is generally considered to be the most effective engineering option to bio-process low-grade copper sulfide ores. Heap bioleaching was established at the Escondida mine in Chile in 2006, and cu...

This dissertation focuses on understanding the metabolic flexibility of a thermoacidophilic crenarchaeote, the mechanisms underlying its physiology, and the consequences for its ecology. Acidianus strain DS80 was isolated from an acidic spring in Yellowstone National Park (YNP) and displays versa...

Pesticides are substances widely used to control pests, which spread to the environment in large quantities. Most of these compounds have toxic effects on humans and other species. Their removal from the environment is mainly carried out by bacteria that have conjugative catabolic plasmids, which...

The bacterial division es an esential process that is executed by a complex of proteins, called divisome. FtsW and FtsI are membrane proteins part of this machinery, that form a complex. This complex is formed in the late phase of division after the chromosome segregation and FtsQ/FtsB/FtsL compl...

El uso intensivo de antimicrobianos en la salmonicultura Chilena y su consecuente aumento de la resistencia bacteriana en ambientes asociados a cultivos acuícolas, representa un grave riesgo sanitario. En Chile, a pesar de su importancia en salud humana las quinolonas siguen siendo utilizadas en ...