Preferential Utilization of Aromatic Compounds over Glucose by <i>Pseudomonas putida</i> CSV86

Applied and Environmental Microbiology - Tập 72 Số 3 - Trang 2226-2230 - 2006
Aditya Basu1, Shree Kumar Apte2, Prashant S. Phale1
1Biotechnology Group, School of Biosciences and Bioengineering, Indian Institute of Technology—Bombay, Powai, Mumbai 400 076
2Molecular Biology Division, Bhabha Atomic Research Centre, Trombay, Mumbai 400 085, India

Tóm tắt

ABSTRACT Pseudomonas putida CSV86, a naphthalene-degrading organism, exhibited diauxic growth on aromatic compounds plus glucose, with utilization of aromatics in the first log phase and of glucose in the second log phase. Glucose supplementation did not suppress the activity of degrading enzymes, which were induced upon addition of aromatic compounds. The induction was inhibited by chloramphenicol, suggesting that de novo protein synthesis was essential. Cells showed cometabolism of aromatic compounds and organic acids; however, organic acids suppressed glucose utilization.

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Applied and Environmental Microbiology

Tập 72 Số 3

2226-2230

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