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1Author    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 
2Author    Karin Schlegel3, Regine Fuchs3, Mathias Schäfer3, Kambiz Taraz3, Herbert Budzikiewicz3, Valerie Geoffroyb, Jean-M Arie, M. EyerbRequires cookie*
 Title    The Pyoverdins of Pseudomonas sp. 9 6 -3 1 2 and 96-318^  
 Abstract    The structures of the pyoverdins isolated from the Pseudomonas spp. 9 6 -3 1 2 and 9 6 -318 were elucidated by spectroscopic and degradation techniques. As observed before for Pseudomonas spp. producing pyoverdins with a C-terminal cyclopeptidic substructure, the two strains can recognize to some extent structurally different pyoverdins as long as they have also a similar cyclopeptidic C-terminus. 
  Reference    Z. Naturforsch. 56c, 680—6 (2001); received April 23 2001 
  Published    2001 
  Keywords    Pseudomonas, Iron Uptake, Pyoverdin 
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 TEI-XML for    default:Reihe_C/56/ZNC-2001-56c-0680.pdf 
 Identifier    ZNC-2001-56c-0680 
 Volume    56 
3Author    Michael Perscheid, H. Orst Schlüter, Karlheinz BallschmiterRequires cookie*
 Title    Aerober Abbau von Endosulfan durch Bodenmikroorganismen Aerobic D egradation of Endosulfan by Microorganisms  
 Abstract    Microbial degradation of both the isomers of the cyclodiene insecticide endosulfan (hexachloro-bicyclo [2,2,1] hept-5-en-2,3-bis-hydroyxmethylene-cyclic sulfit) by Pseudomonadaceae in water has been investigated. Strong resorption of the applied insecticide (90%) by the bacteria has been ob­ served. The main metabolite of both the isomers was identified by EC-gaschromatography as the endosulfan-alcohol. Additionally the /?-isomere yielded small amounts of the cyclic endosulfan-ether and isomerisation to the more stable a-endosulfan. 
  Reference    (Z. Naturforsch. 28c, 761—763 [1973]; eingegangen am 25. Juli 1973) 
  Published    1973 
  Keywords    Endosulfan, biodegradation, microorganisms, Pseudomonas, cyclodien-insecticides 
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 TEI-XML for    default:Reihe_C/28/ZNC-1973-28c-0761.pdf 
 Identifier    ZNC-1973-28c-0761 
 Volume    28 
4Author    M. Böckmann, K. Taraz, H. BudzikiewiczRequires cookie*
 Title    Biogenesis of the Pyoverdin Chromophore  
 Abstract    A fter growing Pseudomonas aeruginosa in the presence of 2 ,4-[4-15N]-diaminobutyric acid (D ab) its incorporation into the quinoline chromophore of the pyoverdin produced by this bacterium could be shown by mass and NM R-spectroscopic techniques. In combination with earlier results it can thus be stated that the precursor of the chrom ophore is a condensation product of L-Dab and D-Phe or D-Tyr. A synthesis for [4 -15N ]-D ab is described. 
  Reference    Z. Naturforsch. 52c, 319 (1997); received April 17 1997 
  Published    1997 
  Keywords    Pseudomonas, Siderophores, Pyoverdin, Biogenesis, l:, N-Labelling 
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 TEI-XML for    default:Reihe_C/52/ZNC-1997-52c-0319.pdf 
 Identifier    ZNC-1997-52c-0319 
 Volume    52 
5Author    Christoph Syldatk, Siegmund Lang, FritzW. Agner, Victor Wray, Ludger WitteRequires cookie*
 Title    Chemical and Physical Characterization of Four Interfacial-Active Rhamnolipids from Pseudomonas spec. DSM 2874 Grown on /i-Alkanes  
 Abstract    Four extracellular glycolip id s p rod u ced under g r o w th -lim itin g c o n d itio n s w ere iso la ted from the culture broth o f Pseudomonas spec. D SM 2874. A fter p u r ific a tio n by c o lu m n and th ick -la y er chrom atography they were id en tified as a n io n ic rh a m n o lip id s. 'H and '3C -N M R stu d ie s sh o w e d that two o f these, /? (/? (2 -0 -a -L -rh a m n o p y ra n o sy lo x y)d eca n o y l)d eca n o ic a cid and /?(/?(2-0-a-L -rh a m n o p y ran osyl-x-L -rh am n op yran osyloxy)d ecan oyloxy)d ecan oic acid , w ere id en tica l w ith c o m ­ pounds described previously, w h ile the other m ore h y d r o p h ilic c o m p o u n d s, /? (2 -0 -a -L -r h a m n o -p yranosyloxy)decanoic acid and /? (2 -0 -a -L -r h a m n o p y ra n o sy l-ix -L -rh a m n o p y ra n o sy lo x y)d e ca n o ic acid, were new com pounds. Surface and interfacial activity o f the organic crude extract and o f the purified com ponents were determined in different aqueous solutions. The pH -dependence o f surface and interfacial properties o f the two previously described rham nolipids (4, 20. 23) were exam ined in Teorell-Stenhagen-buffer (supplemented with 10% N aC l) at pH 3.0 and pH 9.0. All rham nolipids reduced the surface-tension from 72 to about 30 m N / m and the interfacial-tension from 42 to about 1 m N /m . The critical m icelle concentrations were o f the order o f 5 to 200 mg/1 depending on the structure o f the molecule. 
  Reference    Z. Naturforsch. 40c, 51—60 (1985); received August 20 1984 
  Published    1985 
  Keywords    Pseudomonas, Interfacial-Active, Rham nolipids, «-Alkanes, Structure-Eludication 
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 TEI-XML for    default:Reihe_C/40/ZNC-1985-40c-0051.pdf 
 Identifier    ZNC-1985-40c-0051 
 Volume    40 
6Author    C. Syldatk, S. Lang, U. Matulovic, F. W. AgnerRequires cookie*
 Title    Production of Four Interfacial Active Rhamnolipids from /i-Alkanes or Glycerol by Resting Cells of Pseudomonas species DSM 2874  
 Abstract    In a simple phosphate buffer or a sodium chloride solution resting cells o f Pseudom onas spec. DSM 2874 produced up to 15 g/1 o f different rham nolipids. The rham nolipid com position o f the organic crude extract depended on the temperature during the cultivation and on the C-source. The optimal sodium chloride concentration for rham nolipid form ation was about 100 mM/1 and the optimal phosphate buffer concentration about 65 mM/1. The optim al pH -value for the production o f rhamnolipids from «-alkanes or glycerol was in the range pH 6.0 -7 . 2 . W hile rhamnolipid formation with glycerol as the sole C-source show ed a w ide optim um ranging from 27 ° up to 37 °C, production o f rhamnolipids from «-alkanes had a sharp optim um at 37 °C. The addition o f multivalent cations, different N -sources and E D T A caused an inhibition o f rhamnolipid formation, while the «-alkane concentration had no influence. Specific rham nolipid formation decreased with increasing cell concentration. Various C-sources were suitable for the formation o f rhamnolipids by resting cells o f Pseudom onas spec. D S M 2874. Yields, which were comparable to those obtained on «-alkanes or glycerol, were found for stearic acid, fatty alcohols and vegetable oils. A study o f the time course o f glycolipid production o f resting cells was carried out in a 20 1-biorcactor with an intensor system and with «-tetradecane as the sole C-source. 
  Reference    Z. Naturforsch. 40c, 61—67 (1985); received August 2 0 /0 c to b e r 23 1984 
  Published    1985 
  Keywords    Pseudomonas, Interfacial-Active, Rham nolipids, «-Alkanes, Resting Cells 
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 TEI-XML for    default:Reihe_C/40/ZNC-1985-40c-0061.pdf 
 Identifier    ZNC-1985-40c-0061 
 Volume    40 
7Author    U. Hildebrand, K. Taraz, H. Budzikiewicz, H. Korth, G. PulvererRequires cookie*
 Title    Dicyano-bis(pyridin-2,6-dicarbothioato)-ferrat (II)/ferrat (III), ein weiteres eisenhaltiges Redoxsystem aus der Kulturlösung eines Pseudomonas-Stammes [11 D icyano-bis(pyridin-2,6-dicarbothioato)-ferrate (II)/ferrate (III), a Further Fe C ontaining R edox System from the Culture Medium o f Pseudomonas sp  
 Abstract    From the culture m edium o f Pseudomonas sp. a further Fe containing complex, viz. dicyano-bis(pyridin-2,6-dicarbothioato)-ferrate (III) (2) has been isolated which participates in a 
  Reference    Z. Naturforsch. 40c, 201—207 (1985); received D ecem ber 3 1984 
  Published    1985 
  Keywords    Redox System, Fe Com plex, Thio Acids, Electron Transport, Pseudomonas 
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 TEI-XML for    default:Reihe_C/40/ZNC-1985-40c-0201.pdf 
 Identifier    ZNC-1985-40c-0201 
 Volume    40 
8Author    W. Neuenhaus, H. Budzikiewicz, H. Korth, G. PulvererRequires cookie*
 Title    Bakterieninhaltsstoffe, III [1] 3-Alkyl-tetrahydrochinolinderivate aus Pseudomonas Bacterial Constituents, III [1] 3-Alkyl-tetrahydroquinoline Derivatives from Pseudomonas  
  Reference    Z. Naturforsch. 34b, 313—315 (1979); eingegangen am 18. September 1978 
  Published    1979 
  Keywords    Bacterial Constituents, Pseudomonas, Iron Defficiency Growth, Fluorescent Compounds, 3-Alkyl-3-hydroxy-2, 4-dioxo-l, 2, 3, 4-tetrahydroquinolines 
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 TEI-XML for    default:Reihe_B/34/ZNB-1979-34b-0313.pdf 
 Identifier    ZNB-1979-34b-0313 
 Volume    34