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Growth and nitrogenase activity ofAzotobacter vinelandiiin the presence of several phenolic acids

✍ Scribed by J. Moreno; J. González-López; M. V. Martínez-Toledo; T. Rubia; A. Ramos-Cormenzana; G. R. Vela


Book ID
104770055
Publisher
Springer
Year
1988
Tongue
English
Weight
359 KB
Volume
150
Category
Article
ISSN
0302-8933

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✦ Synopsis


Growth and nitrogenase activity (acetylene reduction) of Azotobacter vinelandii in chemically defined N-free media were studied in the presence of p-hydroxybenzoic, vanillic, p-coumaric, and ferulic acids at concentrations from 0.01 to 1% (w/v). Growth and nitrogenase activity were only detected when the microorganism was cultured on p-hydroxybenzoic acid either as sole carbon source or mixed with other phenolic acids, suggesting that p-hydroxybenzoic acid could be utilized as a carbon source by A. vinelandii for growing under certain environmental conditions.


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