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Occurrence and metabolism of 7-hydroxy-2-indolinone-3-acetic acid in Zea mays7-Hydroxy-2-indolinone-3-acetic acid was identified as a catabolite of indole-3-acetic acid in germinating kernels of Zea mays and found to be present in amounts of ca 3.1 nmol/kernel. 7-Hydroxy-2-indolinone-3-acetic acid was shown to be a biosynthetic intermediate between 2-indolinone-3-acetic acid and 7-hydroxy-2-indolinone-3-acetic acid-7'-O-glucoside in both kernels and roots of Zea mays. Further metabolism of 7-hydroxy-2-[5-3H]-indolinone-3-acetic acid-7'-O-glucoside occurred to yield tritiated water plus, as yet, uncharacterized products.
Document ID
20040089851
Acquisition Source
Ames Research Center
Document Type
Reprint (Version printed in journal)
Authors
Lewer, P.
(Michigan State University East Lansing 48824-1312, United States)
Bandurski, R. S.
Date Acquired
August 21, 2013
Publication Date
January 1, 1987
Publication Information
Publication: Phytochemistry
Volume: 26
Issue: 5
ISSN: 0031-9422
Subject Category
Life Sciences (General)
Funding Number(s)
CONTRACT_GRANT: NAG2-362
CONTRACT_GRANT: NAGW-97
CONTRACT_GRANT: PCM 8204017
Distribution Limits
Public
Copyright
Other
Keywords
NASA Program Space Biology
NASA Discipline Plant Biology
NASA Discipline Number 40-10
Non-NASA Center

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