Effects of Storage Years on Antioxidant Properties of Embryonic Mitochondria in Different Populations of Bothriochloa ischaemum

doi:10.11733/j.issn.1007-0435.2023.02.012

Acta Agrestia Sinica ›› 2023, Vol. 31 ›› Issue (2): 404-409.DOI: 10.11733/j.issn.1007-0435.2023.02.012

Effects of Storage Years on Antioxidant Properties of Embryonic Mitochondria in Different Populations of Bothriochloa ischaemum

ZHU Meng-xin, ZENG Jia, XIA Fang-shan, ZHAO Ao-ran, LI Xiao-bo, WANG Bo, LI Yin-lin

College of Grassland Science, Shanxi Agricultural University, Taigu, Shanxi Province 030801, China

Received:2022-08-24 Revised:2022-10-07 Published:2023-02-28

贮藏年限对不同居群白羊草种胚线粒体抗氧化性能的影响

朱梦馨, 曾佳, 夏方山, 赵奥然, 李晓波, 王勃, 李尹琳

山西农业大学草业学院, 山西太谷 030801

通讯作者: 夏方山,E-mail:dqlxfs8583@163.com
作者简介:朱梦馨(2000-),女,汉族,山东临沂人,本科生,主要从事草类植物育种与种子科学研究,E-mail:zhumengxin1840@163.com
基金资助:
山西省重点研发计划项目(201903D221091，202102140601006)；中央引导地方科技发展资金项目(YDZJSX2022C011)；山西农业大学“十四五”生物育种工程项目(YZGC134)；内蒙古大学“省部共建草原家畜生殖调控与繁育”国家重点实验室开放课题(2021KF0303)资助

Abstract

Abstract: To explore the effects of storage years on antioxidant properties of embryonic mitochondria in different populations of Bothriochloa ischaemum,seeds of Daixian,Pinglu,Pingding,Liulin,and Taigu populations,which had been stored for 1 to 4 years,were selected to explore the changes in malondialdehyde (MDA) contents,superoxide dismutase (SOD),catalase (CAT),ascorbate peroxidase (APX),and glutathione reductase (GR) activities in their embryonic mitochondria. The results indicated that the antioxidant capacities of embryonic mitochondria in all the populations were closely related to their storage years. With the prolongation of storage years,SOD,CAT,APX,and GR activities in embryonic mitochondria decreased gradually,but their MDA contents increased gradually. It was concluded that there were differences in seeds storability among different populations of B. ischaemum,and seeds of Taigu population could be stored for 3 years,but the best storage time of 1 year was recommended for the seeds of Daixian,Pinglu,Pingding,and Liulin populations.

Key words: Bothriochloa ischaemum, Populations, Storage years, Mitochondria, Oxidation resistance

摘要： 为探讨贮藏年限对不同居群白羊草(Bothriochloa ischaemum)种胚线粒体抗氧化功能的影响，试验以贮藏1～4年的代县、平鲁、平定、柳林及太谷居群白羊草种子为材料，分析其种胚线粒体丙二醛(Malondialdehyde，MDA)含量及超氧化物歧化酶(Superoxide dismutase，SOD)、过氧化氢酶(Catalase，CAT)、抗坏血酸过氧化物酶(Ascorbate peroxidase，APX)和谷胱甘肽还原酶(Glutathione reductase，GR)活性的变化规律。结果表明：各居群白羊草种胚线粒体的抗氧化能力与其贮藏年限关系密切。随着贮藏年限的延长，白羊草种胚线粒体SOD，CAT，APX及GR活性逐渐降低，而其MDA含量逐渐升高。不同居群白羊草种子的耐贮藏性存在差异，太谷居群白羊草种子的贮藏年限可为3年，而代县、平鲁、平定及柳林居群白羊草种子的贮藏年限最好为1年。

关键词: 白羊草, 居群, 贮藏年限, 线粒体, 抗氧化性能

CLC Number:

S543+.9

ZHU Meng-xin, ZENG Jia, XIA Fang-shan, ZHAO Ao-ran, LI Xiao-bo, WANG Bo, LI Yin-lin. Effects of Storage Years on Antioxidant Properties of Embryonic Mitochondria in Different Populations of Bothriochloa ischaemum[J]. Acta Agrestia Sinica, 2023, 31(2): 404-409.

朱梦馨, 曾佳, 夏方山, 赵奥然, 李晓波, 王勃, 李尹琳. 贮藏年限对不同居群白羊草种胚线粒体抗氧化性能的影响[J]. 草地学报, 2023, 31(2): 404-409.

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Effects of Storage Years on Antioxidant Properties of Embryonic Mitochondria in Different Populations of Bothriochloa ischaemum

贮藏年限对不同居群白羊草种胚线粒体抗氧化性能的影响

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