Microbial adaptation to bromobenzene in a chemostat
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چکیده
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The chemostat Evolutionary pressures on microbial metabolic strategies in the chemostat In collaboration with :
Protein expression is shaped by evolutionary pressures. Due to limitations in biosynthetic capacity, the costs and benefits of enzyme production are important determinants of fitness. While these processes are well understood in batch conditions, in chemostats, which are extensively used to study microbial evolution in a laboratory setting, a feedback of the microbial physiology on the conditio...
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We are interested in modeling the Darwinian evolution resulting from the interplay of phenotypic variation and natural selection through ecological interactions, in the specific scales of the biological framework of adaptive dynamics. Adaptive dynamics so far has been put on a rigorous footing only for direct competition models (Lotka-Volterra models) involving a competition kernel which descri...
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Liver damage can be induced by drugs or chemicals resulting from overdose or workplace exposure. Bromobenzene is an efficient model to perform studies on hepatotoxicity. After biotransformation into liver,it causes production of reactive oxygen species (ROS). Organs that have been found to be affected due to bromobenzene induced toxicity are liver, kidney and lungs. In the following review, mec...
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Protein expression is shaped by evolutionary processes that tune microbial fitness. The limited biosynthetic capacity of a cell constrains protein expression and forces the cell to carefully manage its protein economy. In a chemostat, the physiology of the cell feeds back on the growth conditions, hindering intuitive understanding of how changes in protein concentration affect fitness. Here, we...
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Many microbial ecosystems can be seen as microbial 'food chains' where the different reaction steps can be seen as such: the waste products of the organisms at a given reaction step are consumed by organisms at the next reaction step. In the present paper we study a model of a two-step biological reaction with feedback inhibition, which was recently presented as a reduced and simplified version...
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ژورنال
عنوان ژورنال: Current Microbiology
سال: 1988
ISSN: 0343-8651,1432-0991
DOI: 10.1007/bf01568793