Comparison of the effect of indoleacetic acid and fusicoccin on the breakdown of phosphatidylinositol in maize coleoptiles.
1990
Zocchi G.
The effect of indoleacetic acid (IAA) and fusicoccin (FC) on the breakdown of phosphatidylinositol in maize (Zea mays L.) coleoptiles has been studied. Coleoptiles were able to incorporate [3H] myo-inositol into the phospholipid fraction almost linearly for 8 hours. Thin layer chromatography analysis of total phospholipids showed that [3H]myo-inositol was incorporated only into phosphatidylinositol. Prelabeled coleoptiles treated with IAA showed a loss of the radioactivity incorporated in the phospholipid fraction, whose level decreased by 34% after 1 hour. Treatment with FC, on the contrary, did not modify the content of labelled phosphatidylinositol with respect to the control. The different effects of IAA and FC and a possible mechanism of IAA action on growth are discussed.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
المعلومات البيبليوغرافية
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