Enhanced plant growth promoting role of mPEG-PLGA-based nanoparticles as an activator protein PeaT1 carrier in wheat (Triticum aestivum L.)

文献类型： 外文期刊

第一作者： Qin, Youcai

作者： Qin, Youcai;Guo, Rong;Fu, Yuming;Gao, Han;Qin, Youcai;Guo, Rong;Fu, Yuming;Wu, Yan;Qiu, Dewen;Fu, Yuming

作者机构：

关键词： nanoparticles; activator protein; growth promotion; mPEG-PLGA; wheat seedlings

期刊名称：JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY （ 影响因子：3.174； 五年影响因子：3.137 ）

ISSN： 0268-2575

年卷期： 2018 年 93 卷 11 期

页码：

收录情况： SCI

摘要： BACKGROUNDDeveloping new types of bioproducts using innovative nanotechnology is one of the potentially effective options for enhancing agricultural production and reducing environmental agrochemical pollution. As a bioagent derived from fungi, activator protein can promote growth and control diseases by activating the plant immune system. Meanwhile, the nanocarrier can protect the protein within and prolong its efficiency through controlled release. RESULTSIn our study, a new kind of plant nano-activator was developed by encapsulating an activator protein PeaT1 using a polymer nanoparticle constructed with monomethoxy-poly (ethylene glycol)-poly (lactide-co-glycolide) (mPEG-PLGA). The nanoparticles were spherical with diameter about 200nm. Morphological and physiological parameters of wheat seedlings, including seed vigor index, root vitality, chlorophyll content and photosynthetic parameters, increased after treatment with the nano-activator. Further observation under the confocal laser microscope showed a more effective intake of the nano-activator protein. CONCLUSIONThe results showed that the nano-activators are effective in enhancing wheat growth. This novel agent provides a promising way to improve crop production in an environmentally friendly manner. (c) 2018 Society of Chemical Industry

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