1887

Abstract

The photosynthetic protozoon Z contains adenosylcobalamin-dependent methylmalonyl-CoA mutase (MCM) involved in propionate metabolism. The specific activity of the mutase was about 6.5-fold greater in propionate-adapted cells than in photoautotrophic cells (control). Although the control cells contained only one mutase (apparent 72000), the propionate-adapted cells contained two mutases with values of 72000 and 17000; both enzymes were located in the mitochondria. These results provide evidence that propionate-adapted contains two MCM isozymes. The induced mutase ( 17000) permits photoassimilation of propionate.

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/content/journal/micro/10.1099/00221287-142-9-2631
1996-09-01
2019-10-22
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http://instance.metastore.ingenta.com/content/journal/micro/10.1099/00221287-142-9-2631
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