中国农业科学院农业信息研究所 中国农学会
Agricultural Information Institute of CAAS China Association of Agricultural Science Societies
En
Ch
中国农业科学院农业信息研究所 中国农学会 主办

AI检索

订阅

返回顶部
当前位置: 首页 > 文章 > 一氧化氮对拟南芥高硼毒害的缓解 湖北农业科学 2015,54 (15) 3608-3612
Position: Home > Articles > Amelioration of Nitric Oxide to Boron Toxicity in Arabidopsis Seedlings Hubei Agricultural Sciences 2015,54 (15) 3608-3612

一氧化氮对拟南芥高硼毒害的缓解

作  者：
夏金婵;何奕昆
单  位：
河南中医学院;首都师范大学
关键词：
拟南芥;硼;nox1/cue1突变体;noa1突变体
摘  要：
硼是植物生长发育所必需的微量元素,当土壤中硼的含量过高时就会对植物的生长产生毒害,高硼胁迫能够抑制植物的生长,降低农作物的产量与品质,因此研究植物抗高硼胁迫的分子机制至关重要。一氧化氮(NO)作为信号分子参与植物的生长发育及多种胁迫反应过程。研究发现高硼胁迫能够诱导拟南芥内源NO含量的升高,外加NO能够提高拟南芥对高硼胁迫的抗性,同时内源NO含量升高的突变体nox1和cue1表现出抗高硼胁迫的表型,而内源NO含量低的突变体noa1则表现出高硼处理敏感的表型,为了进一步研究NO缓解高硼对拟南芥的毒害的机制,测定在不同处理条件下拟南芥中硼的含量变化。结果表明,随着培养基中硼酸含量的增加拟南芥中硼的含量也增加,而外源或者内源NO都能够降低高硼处理条件下拟南芥中硼的含量,降低对植物的毒害。因此,高硼胁迫下降低拟南芥体内硼的含量是NO缓解高硼毒害的重要方面。
译  名：
Amelioration of Nitric Oxide to Boron Toxicity in Arabidopsis Seedlings
作  者：
XIA Jin-Chan;HE Yi-Kun;Henan University of Traditional Chinese Medicine;Capital Normal University;
关键词：
Arabidopsis;;boron;;nox1 / cue1;;noa1
摘  要：
Boron is an essential micronutrient for plants, when excessively occurs in the growth medium, it becomes toxic to plants, and inhibits plant growth and reduces the quality of crops. Therefore, it is important to research the molecular mechanism of plant resistance to high boron stress. Nitric oxide(NO) as a signaling molecule involved in plant growth and a variety of reactions to stress, and in this study, it is found that high boron induced NO synthesis in Arabidopsis. Endogenous(nox1 and cue1 mutant) or exogenous NO can improve resistance to high boron stress in Aarabidopsis, while low levels of endogenous NO mutant noa1 showed sensitive phenotype to high boron stress. To assess further the molecular mechanism, the boron content under high boron stress in Arabidopsis was measured, and it is showed that NO could decrease boron concentrations in Arabidopsis exposed to high boric acid. As a result,boron toxicity could be alleviated by nitric oxide by decreasing boron acid in Arabidopsis seedlings.

相似文章

导出引用
计量
文章访问数: 12
HTML全文浏览量: 0
PDF下载量: 0

所属期刊

推荐期刊

友情链接Friendly link
农业信息研究所Agricultural information institute 农业智能知识服务平台Agricultural intelligent knowledge service platform 农业学术服务平台Agricultural Knowledge Service System 中国知网CNKI 维普网VIP 万方WANFANG DATA
联系我们Contact us

电话Tell：010-82109652-808

邮箱E-mail：agrijournal@caas.cn

服务Service
关于我们About us 意见建议Opinions and suggest
版权说明Copyright
单位：中国农业科学院农业信息研究所 中国农学会 © 2017中国农业科学院农业信息研究所 ICP备案号：京ICP备09089781号-46