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The relationship between cyanide assimilation and asparagine biosynthesis in lupins

, : The relationship between cyanide assimilation and asparagine biosynthesis in lupins. Journal of Experimental Botany, 22: 71, 285-290

The highest beta -cyanoalanine synthase activity (about 250M/min per plant) in seedlings of Lupinus angustifolius grown in the dark at 25 degrees C was reached 5 days after germination and thereafter it declined. Asparagine levels were low during the first 4 days, began to rise steeply on the 5th day and reached a maximum (about 200 micro , M/plant) on the 12th day. Seedlings showed maximum ability to assimilate gaseous HCN into asparagine after 3-4 days, before asparagine accumulation began.


DOI: 10.1093/jxb/22.2.285

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