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'Pyoverdins' in keywords Facet   Publication Year 1991  [X]
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1991[X]
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 
2Author    J. Michels, H. Benoni, G. Briskot, J. Lex, H. Schmickler, K. Taraz, H. Budzikiewicz, H. Korth, G. PulvererRequires cookie*
 Title    Isolierung und spektroskopische Charakterisierung des Pyoverdin-Chromophors sowie seines 5-Hydroxy-Analogen |1] Isolation and Spectroscopic Characterization of the Pyoverdin Chromophore and of Its 5-Hydroxy Analogue [1]  
 Abstract    The isolation o f the common chromophore of the pyoverdins isolated from iron-deficient cultures o f fluorescent Pseudomonas strains and o f its 5-hydroxy analogue as well as the spec­ troscopic characterization o f the two compounds is described. 
  Reference    Z. Naturforsch. 46c, 993—1000 (1991); eingegangen am 16. Juni 1991 
  Published    1991 
  Keywords    Pseudomonas, Pyoverdins, Spectral Data 
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 TEI-XML for    default:Reihe_C/46/ZNC-1991-46c-0993.pdf 
 Identifier    ZNC-1991-46c-0993 
 Volume    46 
3Author    K. Taraz, D. Seinsche, H. BudzikiewiczRequires cookie*
 Title    Pseudobactin-und Pseudobactin A-Varianten: Neue Peptidsiderophore vom Pyoverdin-Typ aus Pseudomonas fluovescens "E2" [1] Variants of Pseudobactin and Pseudobactin A: New Pyoverdin Type Peptide Siderophores from Pseudomonas fluorescens "E 2"  
 Abstract    From a strain of Pseudomonas fluorescens pseudobactin and several related compounds were isolated and their structures were elucidated. In this way a reference compound (5) could be obtained for the unambiguous determination of the absolute configuration of C-l of the pyoverdin chromophore in newly isolated representatives of this class. 
  Reference    Z. Naturforsch. 46c, 522—526 (1991); received February 20/April 9 1991 
  Published    1991 
  Keywords    Pseudomonas fluorescens, Siderophores, Pyoverdins, Pseudobactin, Structure Elucidation 
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 TEI-XML for    default:Reihe_C/46/ZNC-1991-46c-0522.pdf 
 Identifier    ZNC-1991-46c-0522 
 Volume    46 
4Author    K. Taraz, R. Tappe, H. Schröder, U. Hohlneicher, I. Gwose, H. Budzikiewicz, G. Mohn, J. F. LefèvreRequires cookie*
 Title    Ferribactins -the Biogenetic Precursors of Pyoverdins [1]  
 Abstract    From ferribactins which accompany pyoverdins in iron deficient cultures of fluorescent pseudomonads a subunit has been obtained formed by condensation of D-tyrosin with L-2,4-diaminobutyric acid to give 2-(l-./?-amino-2-/?-hydroxyphenylethyl)-1,4,5,6-tetrahydro-pyrimidine-4-S'-carboxylic acid (1). Evidence is presented that 1 is the precursor of the typical pyoverdin chromophore 7 a. 
  Reference    Z. Naturforsch. 46c, 527—533 (1991); received February 28 1991 
  Published    1991 
  Keywords    Pyoverdins, Ferribactins, Biogenesis, N M R Analysis 
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 TEI-XML for    default:Reihe_C/46/ZNC-1991-46c-0527.pdf 
 Identifier    ZNC-1991-46c-0527 
 Volume    46