A transient expression system in soybean mesophyll protoplasts reveals the formation of cytoplasmic GmCRY1 photobody-like structures

文献类型： 外文期刊

第一作者： Xiong, Lu

作者： Xiong, Lu;Li, Cong;Li, Hongyu;Lyu, Xiangguang;Zhao, Tao;Liu, Jun;Liu, Bin;Xiong, Lu;Zuo, Zecheng

作者机构：

关键词： soybean; protoplast; transfection; subcellular localization; cryptochrome photobodies

期刊名称：SCIENCE CHINA-LIFE SCIENCES （ 影响因子：6.038； 五年影响因子：4.754 ）

ISSN： 1674-7305

年卷期： 2019 年 62 卷 8 期

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收录情况： SCI

摘要： Soybean (Glycine max (L.) Merr.), grown for its plant oils and proteins, is one of the most important crops throughout the world. Generating stable and heritable transgenic soybeans is relatively inefficient; therefore, there is an urgent need for a simple and high-efficient transient transformation method by which to enable the investigation of gene functions in soybeans, which will facilitate the elucidation and improvement of the molecular mechanisms regulating the associated agronomic traits. We established a system of transient expression in soybean mesophyll protoplasts and obtained a high level of protoplast transfection efficiency (up to 83.5%). The subcellular activity of the protoplasts was well preserved, as demonstrated by the dynamic formation of GmCRY nucleus photobodies (NPs) and/or cytoplasmic photobody-like structures (CPs) in response to blue light. In addition, we showed that GmCRY1b CPs colocalized with GmCOP1b, a co-ortholog of Arabidopsis thaliana CONSTITUTIVE PHOTOMORPHOGENIC 1 (COP1), which provided new insight into the potential roles of GmCRY1s in the cytoplasm.

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