Enhanced 3-methoxytyramine levels in crown gall tumours and other undifferentiated plant tissues

An amine, after dansylation, has been isolated from Nicotiana tabacum crown gall tumours for the first time and characterized as 4-hydroxy-3-methoxy-beta-phenylethylamine (3-methoxytyramine). The compound cannot be detected in differentiated N. tabacum tissues but appears in the corresponding callus...

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Bibliographic Details
Published in:Biochemical journal 1984-08, Vol.221 (3), p.891-895
Main Authors: Mitchell, S.D, Firmin, J.L, Gray, D.O
Format: Article
Language:English
Subjects:
Agrobacterium tumefaciens
Amines - metabolism
Dopamine - analogs & derivatives
Dopamine - metabolism
Nicotiana
Nicotiana tabacum
Plant Tumors - analysis
Plants - metabolism
Plants - microbiology
Plants, Toxic
Rhizobium - metabolism
Tyrosine - metabolism
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Summary:An amine, after dansylation, has been isolated from Nicotiana tabacum crown gall tumours for the first time and characterized as 4-hydroxy-3-methoxy-beta-phenylethylamine (3-methoxytyramine). The compound cannot be detected in differentiated N. tabacum tissues but appears in the corresponding callus controls. Its concentration is further increased 5-42-fold when N. tabacum is transformed with all strains of Agrobacterium tumefaciens so far tested.
ISSN:0264-6021
1470-8728
DOI:10.1042/bj2210891