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Plant Signal Behav. 2019 Aug 9:1-4. doi: 10.1080/15592324.2019.1651182. [Epub ahead of print]

The alternative splicing of SKU5-Similar3 in Arabidopsis.

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a FAFU-UCR Joint Center for Horticultural Biology and Metabolomics, Haixia Institute of Science and Technology, Fujian Agriculture and Forestry University , Fuzhou , China.


Alternative splicing largely enhanced the diversity of transcriptome and proteome in eukaryas. Along with technological development, more and more genes are reported to be alternatively spliced during mRNA maturation. Here, I report the alternative splicing of SKU5-Similar 3 (SKS3) and its special splicing site in Arabidopsis. SKS3 was predicted to be alternatively transcribed into two variants, SKS3.1 and SKS3.2, which encoded a GPI-anchored protein and a soluble secretory protein, respectively. But, according to experimental data, instead of SKS3.2, a novel variant, SKS3.3, which encodes a protein with a transmembrane region at its C-terminus, was demonstrated. Interestingly, it exhibites a different organ-specific expression pattern with SKS3.1, and an unusualĀ intron splicing site not following 'GT-AG' rule or any reported rule.


Alternative Splicing (AS); Arabidopsis; GPI-anchored protein (GPI-AP); Long non-coding RNA (lncRNA); splicing site

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