成熟油菜种子中的腺嘌呤核苷酸能池和能量荷。
Adenylate energy pool and energy charge in maturing rape seeds.
机构信息
Department of Crop Science Oregon State University, Corvallis, Oregon 97331.
出版信息
Plant Physiol. 1974 Nov;54(5):748-51. doi: 10.1104/pp.54.5.748.
Abstract
A study of energy state and chemical composition of pod walls and seeds of maturing rape (Brassica napus L.) was conducted on two varieties, Victor and Gorczanski. Total adenosine phosphates, ATP, and adenylate energy charge increased with increasing cell number and cellular synthesis during the early stages, remained high at maximum dry weight accumulation and maximum substrate influx time, and decreased with ripening. A temporal control of energy supply and ATP concentration is evident in developing tissues with determined functions; whereas the association of a high energy charge and active cellular biosynthesis occurs only in tissues with a stabilized cell number.
摘要
对两种油菜（甘蓝型油菜）Victor 和 Gorczanski 的种皮和种子的能量状态和化学成分进行了研究。在早期，随着细胞数量和细胞合成的增加，总腺苷磷酸、ATP 和腺苷酸能荷增加，在最大干重积累和最大底物流入时间保持较高水平，并随着成熟而下降。在具有特定功能的发育组织中，能量供应和 ATP 浓度的时间控制是明显的；而高能量电荷和活跃的细胞生物合成的结合仅发生在细胞数量稳定的组织中。
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