Literature DB >> 11807064

Speed versus efficiency in microbial growth and the role of parallel pathways.

Robert B Helling1.   

Abstract

Many microorganisms have sets of parallel pathways for ATP production in respiration and for ATP utilization in glutamate synthesis. The alternatives differ in efficiency of ATP production and utilization. The choice among these parallel pathways has been hypothesized to control the speed and efficiency of growth. Thus, the organism should be able to alleviate (or exaggerate) deficiency in one pathway by deleting another. I show here that in Escherichia coli the effect of lack of the glutamate-synthesizing enzyme glutamate dehydrogenase on glucose-limited growth is altered predictably by ndh, cyo, and cyd mutations affecting parallel pathways leading to ATP synthesis in respiration.

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Year:  2002        PMID： 11807064      PMCID： PMC134821          DOI： 10.1128/jb.184.4.1041-1045.2002

Source DB:  PubMed          Journal:  J Bacteriol        ISSN： 0021-9193            Impact factor:   3.490


  34 in total

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