Metabolism of 2 4 d in cell suspension cultures of soybean glycine max cultivar mandarin and wheat triticum aestivum cultivar koga ii 1. general results

Scheel, D.; Sandermann, H.J.

Planta (Heidelberg) 152(3): 248-252


ISSN/ISBN: 0032-0935
Accession: 005882703

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The metabolism of [2-14C]- and [ring-U-14C]2,4-D was studied in cell suspension cultures of soybean (G. max L.) and wheat (T. aestivum L.). 2,4-D was extensively metabolized by both cultures, the rates of metabolism and the metabolite patterns remaining constant over at least 60 (soybean) and 25 (wheat) growth cycles. Amino acid conjugates were the predominant metabolite fraction in soybean cells, whereas .beta.-D-glucoside conjugates predominated in wheat cells. The 2 cell types studied also differed in the amino acid compositions of the amino acid conjugate fractions and in the aglycone patterns of the .beta.-D-glucoside fractions. Novel metabolite fractions of both wheat and soybean cells included a polar water-soluble metabolite fraction and a covalently modified protein fraction of low MW.