Graphene oxide modulates root growth of Brassica napus L. and regulates ABA and IAA concentration

文献类型: 外文期刊

第一作者: Cheng, Fan

作者: Cheng, Fan;Liu, Yu-Feng;Xie, Ling-Li;Yuan, Cheng-Fei;Xu, Ben-Bo;Lu, Guang-Yuan;Zhang, Xue-Kun

作者机构:

关键词: ABA;Graphene oxide;IAA;Root growth;Transcript abundance

期刊名称:JOURNAL OF PLANT PHYSIOLOGY ( 影响因子:3.549; 五年影响因子:4.164 )

ISSN:

年卷期:

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收录情况: SCI

摘要: Researchers have proven that nanomaterials have a significant effect on plant growth and development. To better understand the effects of nanomaterials on plants, Zhongshuang 11 was treated with different concentrations of graphene oxide. The results indicated that 25-100 mg/l graphene oxide treatment resulted in shorter seminal root length compared with the control samples. The fresh root weight decreased when treated with 50-100 mg/l graphene oxide. The graphene oxide treatment had no significant effect on the Malondialdehyde (MDA) content. Treatment with 50 mg/l graphene oxide increased the transcript abundance of genes involved in ABA biosynthesis (NCED, AAO, and ZEP) and some genes involved in IAA biosynthesis (ARF2, ARF8, IAA2, and IAA3), but inhibited the transcript levels of IAA4 and IAA7. The graphene oxide treatment also resulted in a higher ABA content, but a lower IAA content compared with the control samples. The results indicated that graphene oxide modulated the root growth of Brassica napus L. and affected ABA and IAA biosynthesis and concentration. (c) 2016 Elsevier GmbH. All rights reserved.

分类号: Q94

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