植物研究 ›› 2025, Vol. 45 ›› Issue (1): 130-138.doi: 10.7525/j.issn.1673-5102.2025.01.014
郭文慧1, 王越1, 吴琳2, 杨剑飞1,3(), 杨玲1, 张鹏1,3, 吴海波1,4, 沈海龙1,4
收稿日期:
2024-05-31
出版日期:
2025-01-20
发布日期:
2025-01-23
通讯作者:
杨剑飞
E-mail:yjf19910304@126.com
作者简介:
郭文慧(1997—),女,硕士研究生,主要从事树木组织培养和繁殖生物学与技术研究。
基金资助:
Wenhui GUO1, Yue WANG1, Lin WU2, Jianfei YANG1,3(), Ling YANG1, Peng ZHANG1,3, Haibo WU1,4, Hailong SHEN1,4
Received:
2024-05-31
Online:
2025-01-20
Published:
2025-01-23
Contact:
Jianfei YANG
E-mail:yjf19910304@126.com
摘要:
黄酮在植物体胚发生过程中扮演重要角色。为了探究黄酮对红松(Pinus koraiensis)体胚发生的作 用效果,该研究以红松胚性愈伤组织为试材,通过添加不同浓度、不同种类黄酮(槲皮素、柚皮素、儿茶素)及苯丙氨酸解氨酶(PAL)抑制剂2-氨基茚满-2-膦酸盐酸盐,测定处理后胚性愈伤组织增殖率、体胚数量及氧化胁迫相关指标变化。结果表明:胚性愈伤组织的增殖率随着外源黄酮浓度的升高逐渐降低,而体胚诱导数量先升高后降低,体胚产生数量在20 μmol⋅L-1的外源黄酮处理下达到最高。黄酮能够降低胚性愈伤组织中总活性氧水平(ROS)、过氧化氢(H2O2)和丙二醛(MDA)含量,升高超氧化物歧化酶(SOD)活性,降低过氧化氢酶(CAT)、过氧化物酶(POD)、抗坏血酸过氧化物酶(APX)和谷胱甘肽过氧化物酶活性(GPX)。综上所述,外源黄酮主要通过影响胚性愈伤组织氧化胁迫水平,调控细胞增殖及胚性愈伤组织分化进程,促进红松体胚形成。
中图分类号:
郭文慧, 王越, 吴琳, 杨剑飞, 杨玲, 张鹏, 吴海波, 沈海龙. 外源黄酮对红松胚性愈伤组织增殖和体胚发生的影响[J]. 植物研究, 2025, 45(1): 130-138.
Wenhui GUO, Yue WANG, Lin WU, Jianfei YANG, Ling YANG, Peng ZHANG, Haibo WU, Hailong SHEN. Effects of Exogenous Flavonoids on Embryogenic Callus Proliferation and Somatic Embryogenesis of Korean Pine[J]. Bulletin of Botanical Research, 2025, 45(1): 130-138.
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