Words similar to dahp
Example sentences for: dahp
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S. typhimurium has three paralogs of DAHP synthase belonging to the AroA Iα family, whereas P. aeruginosa possesses two paralogs of AroA Iα enzyme and two paralogs of class II DAHP synthase (AroA II ) [ 14].
The Ferroplasma genome illustrates a case where a non-tryptophan pathway gene, aroA encoding DAHP synthase, is a member of the operon (translationally coupled).
The Anabaena/Nostoc linkage group is additionally reminiscent of the B. subtilis supraoperon in the presence of aroB and tyrA . Although B. subtilis does not have aroA Iβ represented in its supraoperon (as do Anabaena and Nostoc ), aroA Iβ is the homology class (of three possible DAHP synthase homologs distributed in nature [ 25, 26, 27]) that is utilized by B. subtilis . A number of supraoperon gene insertions have occurred outside of the trp operon as well.
Many years ago, B. subtilis was shown to have fused domains specifying chorismate mutase ( aroQ ) and 3-deoxy-D-arabino-heptulosonate 7-P (DAHP) synthase ( aroA ). The AroQ domain was shown to function not only as a catalytic domain for chorismate mutase, but also as the allosteric domain for the fused AroA domain.
The phenomenon of growth inhibition triggered by exogenous amino acids is exemplified by the effect of exogenous L-phenylalanine upon DAHP synthase in Neisseria gonorrhoeae [ 27] and in other organisms ([ 27] and references therein).