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Las células satélites (CSs), son progenitores miogénicos quiescentes responsables de la regeneración muscular durante la adultez. Ante un daño muscular, las CSs se activan, proliferan y finalmente se diferencian. Este proceso es sostenido por la expresión secuencial de factores reguladores de mús...

Satellite cells (SCs) are quiescent myogenic progenitors responsible for skeletal muscle regeneration during adult life. Upon muscle damage, SCs activate, proliferate and finally differentiate; a process supported by the sequential expression of muscle regulatory factors (MRFs) and the down-regul...

In this thesis, the vulnerability and capacity of acclimation to environmental stress related to Climate change mainly in Cystoseira tamariscifolia and other species as Ellisolandia elongata, Cystoseira compressa and Padina pavonica are evaluated. The effects of physical stressors as elevated irr...

En la presente tesis desarrollo una cronología de cambios en la vegetación y paleofuegos que abarca los últimos 17.000 años a partir de testigos de sedimentos lacustres obtenido de Laguna Churrasco (45°41’S, 71°49’O, 798 msnm), región de Aysén. El objetivo es documentar la historia de la vegetaci...

In this thesis I present a record of changes in vegetation and paleofires over the last 17,000 years from sediment cores obtained from Laguna Churrasco (45 ° 41'S, 71 ° 49'W, 798 masl), Aysén region. The objective is to document the history of vegetation and paleofires, their reciprocal relations...

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...