Effect of exogenous polyamines and inhibitors of polyamine biosynthesis on growth and free polyamine contents of embryogenic Scots pine callus
Effects of the exogenously added polyamines putrescine, spermidine and spermine and the
inhibitors of polyamine biosynthesis, methylglyoxal bis (guanylhydrazone)(MGBG) and
dicyclohexylamine (DCHA), in the DCR medium on the endogenous polyamine levels and
growth of embryogenic callus of Scots pine (Pinus sylvestris L.) were studied. With
polyamine treatments the endogenous putrescine level was signifi-candy affected only by 10
umol/L spermidine, which decreased the putrescine. Other polyamine treatments did not …
inhibitors of polyamine biosynthesis, methylglyoxal bis (guanylhydrazone)(MGBG) and
dicyclohexylamine (DCHA), in the DCR medium on the endogenous polyamine levels and
growth of embryogenic callus of Scots pine (Pinus sylvestris L.) were studied. With
polyamine treatments the endogenous putrescine level was signifi-candy affected only by 10
umol/L spermidine, which decreased the putrescine. Other polyamine treatments did not …
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