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1984 (1)
1979 (1)
1Author    JohnL. InghamRequires cookie*
 Title    Phytoalexin Production by Flowers of Garden Pea (P isu m sa tivu m )  
 Abstract    The isoflavonoid phytoalexin pisatin has been isolated from fungus-inoculated petals of 16 Pisum sativum cultivars. Pisatin was usually accompanied by trace quantities of maackiain. No other fungitoxic compounds were detected. 
  Reference    Z. Naturforsch. 34c, 296 (1979); received December 4 1978 
  Published    1979 
  Keywords    Leguminosae, Pisum, Isoflavonoids, Pterocarpans, Phytoalexin 
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 TEI-XML for    default:Reihe_C/34/ZNC-1979-34c-0296_n.pdf 
 Identifier    ZNC-1979-34c-0296_n 
 Volume    34 
2Author    Ahlert SchmidtRequires cookie*
 Title    Occurrence of Mercaptopyruvate Sulfotransferase Activity in Photosynthetic Organisms  
 Abstract    Mercaptopyruvate sulfotransferase activity catalyzes the formation o f pyruvate from mercapto­ pyruvate in the presence o f suitable reagents as acceptor. It was detected in Lemna minor, Pisum sativum, Spinacia oleracea, Chlorella fusca, Synechococcus 6301, and Rhodopseudomonas palustris. Best activity was detected using dithioerythritol as a thiol reagent; good activity was obtained using mercaptoethanol, glutathione, mercaptopyruvate or sulfite as acceptor. The pH-optimum for the Chlorella mercaptopyruvate sulfotransferase was found around 9; the apparent Km for mercaptopyruvate was determined to 2 m M and for dithioerythritol for 5 m M using crude Chlorella extracts. The role of this enzyme is discussed in relation to cysteine catabolism by photosynthetic organisms. 
  Reference    Z. Naturforsch. 39c, 916—921 (1984); received April 6 1984 
  Published    1984 
  Keywords    Pyruvate, Mercaptopyruvate, Lemna, Spinacia, Pisum, Chlorella, Synechococcus, Rhodopseudomonas 
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 TEI-XML for    default:Reihe_C/39/ZNC-1984-39c-0916.pdf 
 Identifier    ZNC-1984-39c-0916 
 Volume    39