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1991 (1)
1Author    H. Schäfer, K. Taraz, H. BudzikiewiczRequires cookie*
 Title    Zur Genese der amidisch an den Chromophor von Pyoverdinen gebundenen Dicarbonsäuren |1] On the Genesis of the Dicarboxylic Acids Bound Amidically to the C hrom ophor of the Pyoverdins [1]  
 Abstract    Pseudomonas strains o f the so-called fluorescent group usually produce several pyoverdins which differ only in the nature o f a dicarboxylic acid bound amidically to the chromophor. For the pyoverdins isolated from the culture medium o f Pseudomonas fluorescens 12 it is shown that succinic acid is an artefact formed by hydrolysis o f succinic amide, and that a-ketoglutaric acid is transformed enzymatically to glutamic acid. This process is reversed after the phase o f exponential growth o f the bacteria. The ratio C4-vs. C 5-acids changes with the culture time and with increasing Fe3+ content o f the medium in favor o f the latter. 
  Reference    Z. Naturforsch. 46c, 398 (1991); received December 21 1990/March 13 1991 
  Published    1991 
  Keywords    *Pyoverdins, Biogenesis, Transformations, Citric Acid Cycle, Pseudomonas fluorescens 
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 TEI-XML for    default:Reihe_C/46/ZNC-1991-46c-0398.pdf 
 Identifier    ZNC-1991-46c-0398 
 Volume    46