微胚乳玉米子粒发育过程中乙酰辅酶A羧化酶活性变化规律的研究

Research on the Changes of the Acetyl-CoA Carboxylase Activity in the Micro-endosperm Maize During Kernel Development

以高油115玉米作为对照,对微胚乳玉米胚与非胚部位中乙酰辅酶A羧化酶活性的变化规律进行了研究。结果表明,在玉米子粒发育期间,微胚乳玉米和高油115玉米胚部位和非胚部位单粒乙酰辅酶A羧化酶活性均有很大波动,不同微胚乳玉米材料的酶活性变化趋势未见有一致规律,春秋两季玉米的酶活变化趋势也未见有一致规律。玉米子粒中胚与非胚部位乙酰辅酶A羧化酶活性与收获时单粒油脂重之间的相关系数为0.434 8和0.561 6,乙酰辅酶A羧化酶对玉米油脂积累的影响可能不大。

With the Gaoyou115 maize as contrast,the changes of the acetyl-CoA carboxylase activity of the mi-cro-endosperm maize were studied in this paper.The results showed that the acetyl-CoA carboxylase activity of mi-cro-endosperm maize and Gaoyou115 maize in maize embryo and the other section of a kernel except embryo fluctu-ated greatly.The changes of the acetyl-CoA carboxylase activity of different micro-endosperm maize differed.And the changes of the acetyl-CoA carboxylase activity of summer sowing and that o...