欢迎访问《植物研究》杂志官方网站,今天是 分享到:

植物研究 ›› 2001, Vol. 21 ›› Issue (1): 70-73.

• 论文 • 上一篇    下一篇

荷兰芹胚性愈伤组织诱导及胚状体发生与内源IAA和ABA关系的初步研究

张东向1, 张崇浩2, 梅玲2, 李杰芬2   

  1. 1. 齐齐哈尔大学生命科学与工程学院, 齐齐哈尔 161006;
    2. 北京师范大学生命科学学院, 北京 100875
  • 收稿日期:2000-05-18 出版日期:2001-03-15 发布日期:2016-06-14
  • 作者简介:张东向(1963-), 男, 理学硕士, 副教授。植物生理学与植物细胞工程。

INDUCTION OF EMBRYONIC CALLUS AND FORMATION OF EMBRYOID RELATED TO ENDOGENOUS IAA AND ABA IN CELERY

ZHANG Dong-xiang1, ZHANG Chong-hao2, MEI Ling2, LI Jie-fen2   

  1. 1. College of Life Science and Technology, Qiqihar University, Qiqihar 161006;
    2. College of Life Science, Beijing Normal University, Beijing 100875
  • Received:2000-05-18 Online:2001-03-15 Published:2016-06-14

摘要: 分析了荷兰芹胚性愈伤组织发生的条件, 对Co2+作用下胚状体形成与培养物内源IAA和ABA 的关系做了研究。结果表明, 荷兰芹下胚轴胚性发生能力随其相对位置而异, 自下而上逐渐提高。提高2, 4-D 浓度有利于胚性愈伤组织的诱导, 水解酪蛋白对胚性能力的表达没有显著影响。在胚状体发生过程中, 添加Co2+显著降低培养物内源IAA 和ABA 水平, 并提高胚状体诱导率。其中对照组IAA 有一个峰值, ABA 有两个峰值;实验组ABA 变化趋势与对照组相似, 而IAA 则始终没有峰值出现。Co2+对IAA 和ABA 的抑制机制可能有所不同。

关键词: 荷兰芹, 胚性愈伤组织, 胚状体, Co2+, IAA, ABA

Abstract: Using hypocotyl of sterile celery seedling, induce conditions of embryonic callus were studied in this paper. Embryoid was obtained from the embryonic callus, and effect of Co2+ on formation of the embryoid and levels of endogenous IAA and ABA were studied. The results showed that the competence of formation of the callus and embryonic callus from hypocotyl of celery decreased with its relative position from leaf end to apex of root. 2, 4-D was favored to induction of embryonic callus. There was no significant effect of casein hydrolysate on expression of embryonic competence in celery. Endogenous levels of IAA and ABA in the cultures were reduced and induce rates of embryoid was increased by Co2+ during embryoid formation of celery. There were one peak value of IAA levels and two peak values of ABA levels in the culture of control groups. The change of ABA levels in the culture of treatment groups was simular to control, but there was not peak value of IAA in the treatment. It was infered that there were difference effects Co2+ inhibitation mechanism on between IAA and ABA in the formation of celery embryoid.

Key words: Celery, Embryonic callus, Formation of embryoid, Co2+, IAA, ABA