Rice acyl-CoA-binding proteins OsACBP4 and OsACBP5 are differentially localized in the endoplasmic reticulum of transgenic Arabidopsis

Plant Signaling & Behavior
Wei Meng, Mee-Len Chye

Abstract

Acyl-CoA-binding proteins (ACBPs) are known to bind and transport acyl-CoA esters and phospholipids intracellularly. In our recent paper in the New Phytologist, we reported that the six acyl-CoA-binding proteins (OsACBPs) in rice (Oryza sativa) are distributed across various subcellular compartments in transgenic Arabidopsis (Arabidopsis thaliana) such as the cytosol (OsACBP1, OsACBP2 and OsACBP3), the endoplasmic reticulum (ER) including the tubules (OsACBP4 and OsACBP5) and the cisternae (OsACBP4), and the peroxisomes (OsACBP6). Localization of OsACBP4::GFP to the peripheral ER cisternae and the central cisternal ER-like structures in transgenic Arabidopsis distinguished it from OsACBP5::GFP. We further report that besides the ER, OsACBP4::GFP and OsACBP5::GFP were also targeted to the membrane of ER bodies and ER-derived spherical structures, respectively, in transgenic Arabidopsis. These findings support our previous conclusion that OsACBP4 and OsACBP5 are not redundant proteins in the ER.

References

Apr 24, 1999·The Plant Cell·E M Herman, B A Larkins
Dec 14, 2002·Plant Physiology·Ryo MatsushimaIkuko Hara-Nishimura
Mar 26, 2003·Plant Molecular Biology·Hong-Ye Li, Mee-Len Chye
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Jan 10, 2008·The Plant Journal : for Cell and Molecular Biology·Shi XiaoMee-Len Chye
Jan 6, 2009·Plant Physiology and Biochemistry : PPB·Shi Xiao, Mee-Len Chye
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Jul 14, 2012·Plant, Cell & Environment·Zhi-Yan DUMee-Len Chye
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Mar 22, 2014·Frontiers in Plant Science·Ryohei T NakanoIkuko Hara-Nishimura

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Citations

Jan 10, 2016·Biochimica Et Biophysica Acta·Shiu-Cheung Lung, Mee-Len Chye
Dec 15, 2015·Lipids·Zi-Wei Ye, Mee-Len Chye
Sep 6, 2015·Protoplasma·Shiu-Cheung Lung, Mee-Len Chye
Sep 12, 2020·Scientific Reports·Saritha Panthapulakkal NarayananMee-Len Chye
Jun 7, 2018·Frontiers in Genetics·Nadia RaboanatahiryMaoteng Li
Apr 18, 2019·Journal of Agricultural and Food Chemistry·Xiang Ning SuHong Yang

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