NPM1 K263 SUMO化位點(diǎn)在PEDV N蛋白與NPM1共定位中的作用
[Abstract]:To elucidate the key loci of nucleolus protein (NPM1) co-localization with porcine epidemic diarrhea virus (PEDV) nucleocapsid protein (N protein). In this experiment, the mutated primers were designed and the NPM1 amino acid sites T199K230 and K263 were mutated by overlapping extension PCR, and then cloned into the eukaryotic expression vector pDsRed2-N1 to obtain the recombinant plasmid pDsRed2-NPM1 (T199A). PDsRed2-NPM1 (K230R), pDsRed2-NPM1 (K263R). Then pDsRed2-NPM1 (WT), pDsRed2-NPM1 (T199A), pDsRed2-NPM1 (K230R), pDsRed2-NPM1 (K263R) and recombinant plasmid pAcGFP-N were co-transfected into VeroE6 cells. Confocal results showed that NPM1 (T199A), NPM1 (K230R) and wild-type NPM1 were colocated with N protein in nucleoli. Although NPM1 (K263R) and N protein are colocalized, they are co-located in the nucleus. The results laid a foundation for further study on the molecular mechanism of nucleolar protein NPM1 involved in PEDV replication.
【作者單位】: 中國(guó)農(nóng)業(yè)科學(xué)院哈爾濱獸醫(yī)研究所獸醫(yī)生物技術(shù)國(guó)家重點(diǎn)實(shí)驗(yàn)室/豬消化道傳染病創(chuàng)新團(tuán)隊(duì);
【基金】:國(guó)家自然基金優(yōu)秀青年基金項(xiàng)目(312220541)
【分類(lèi)號(hào)】:S852.651
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