单词	autophagy
释义	autophagy /ɔːˈtɒfədʒi / noun [mass noun] Biology 1Consumption of the body’s own tissue as a metabolic process occurring in starvation and certain diseases: the process of starvation-induced autophagy was recently the focus of extensive research... We aim to recruit a post-doctoral scientist to work on a research programme on autophagy and neurodegeneration using in vivo approaches in mice. "Autophagy is a survival mechanism to ensure that the cell is able to obtain the necessary nutrients during times of starvation," explains Schmitz. In many infections, autophagy also helps digest pathogens and clear them away. 1.1Destruction of damaged or redundant cellular components occurring in vacuoles within the cell.A primary pathway for the uptake of mitochondrial sequences by the nucleus may be provided by autophagy of mitochondria in cellular vacuoles (lysosomes).... Autophagy of entire chloroplasts during leaf senescence would cause a continuous decrease in the number of plastids per mesophyll cell. It controls a number of metabolic processes important for cell growth, including nutrient import, transcription, and autophagy. Derivatives autophagous /ɔːˈtɒfəɡəs/ adjective ... Guan and colleagues say it inhibits some non-autophagy enzymes, but activates autophagous ones. Plants are apparently autophagous all day long. Note the fragments within the chloroplast and the autophagous vacuoles containing dark material. Origin Mid 19th century: from auto-1 + -phagy.
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