P Usha

University of Hyderabad, Bhaganagar, Andhra Pradesh, India

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Publications (1)1.36 Total impact

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    ABSTRACT: We present a novel light-dependent metabolism of an aromatic compound (trans-cinnamate) that is assimilatory rather than dissimilatory. Light-dependent assimilation of trans-cinnamate was observed by both growing and resting cells of Rhodobacter sphaeroides OU5. Trans-cinnamate assimilation could be correlated with simultaneous formation of both phenylalanine and tyrosine at near-stoichiometric ratios. Trans-cinnamate assimilation was promoted by carbon source and electron donors, such as glucose, pyruvate, or alpha-ketoglutarate, whereas malate, succinate, fumarate, and acetate were inhibitory.
    Current Microbiology 07/2007; 54(6):410-3. DOI:10.1007/s00284-006-0440-8 · 1.36 Impact Factor

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1 Citation
1.36 Total Impact Points

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  • 2007
    • University of Hyderabad
      • Department of Plant Sciences
      Bhaganagar, Andhra Pradesh, India