- Ionylideneacetic Acids and Abscisic Acid Biosynthesis by Cercospora rosicola
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Several compounds having the basic α-ionylideneacetic acid stucture were tested in Cercospora rosicola resuspensions.At 100 μM, all the compounds inhibited abscisic acid (ABA) biosynthesis.Time studies with unlabelled and deuterated (2Z,4E)- and (2E,4E)-α
- Norman, Shirley M.,Poling, Stephen M.,Maier, V. P.,Nelson, Mary D.
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p. 2317 - 2324
(2007/10/02)
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- CONVERSION OF (2Z,4E)-5-(1',2'-EPOXY-2',6',6'-TRIMETHYLCYCLOHEXYL)-3-METHYL-2,4-PENTADIENOIC ACID TO XANTHOXIN ACID BY CERCOSPORA CRUENTA, A FUNGUS PRODUCING (+)-ABSCISIC ACID
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(+/-)-(2Z,4E)-5-(1',2'-epoxy-2',6',6'-trimethylcyclohexyl)-3-methyl-2,4-pentadienoic acid was metabolized by Cercospora cruenta, which has the ability to produce (+)-abscisic acid (ABA), to give (+/-)-(2Z,4E)-xanthoxin acid, (+/-)-(2Z,4E)-5'-hydroxy-1',2'-epoxy-1',2'-dihydro-β-ionylideneacetic acid, (+/-)-1',2'-epoxy-1',2'-dihydro-β-ionone and trace amounts of ABA.Key Word Index - Cercospora cruenta; fungus; metabolism; plant growth inhibitor; xanthoxin acid; abscisic acid.
- Oritani, Takayuki,Yamashita, Kyohei
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p. 1957 - 1962
(2007/10/02)
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