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周氏嚙小蜂CcGSTS1基因的克隆·蛋白表達(dá)純化及酶學(xué)特征分析

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摘要 鑒定一個(gè)編碼周氏嚙小蜂谷胱甘肽S-轉(zhuǎn)移酶序列的全長基因CcGSTS1,系統(tǒng)發(fā)育分析發(fā)現(xiàn),該基因與麗蠅蛹集金小蜂NvGSTS6基因具有高同源性。體外表達(dá)、純化的重組CcGSTS1可催化CDNB與GSH結(jié)合,最適反應(yīng)pH為7.0。該試驗(yàn)為進(jìn)一步研究周氏嚙小蜂CcGSTS1基因功能奠定基礎(chǔ)。

關(guān)鍵詞 周氏嚙小蜂;谷胱甘肽S-轉(zhuǎn)移酶;系統(tǒng)發(fā)育分析;酶活

中圖分類號(hào) Q965.9 文獻(xiàn)標(biāo)識(shí)碼 A

文章編號(hào) 0517-6611(2024)02-0093-04

doi:10.3969/j.issn.0517-6611.2024.02.019

開放科學(xué)(資源服務(wù))標(biāo)識(shí)碼(OSID):

Cloning,Expression,Purification and Enzyme Activity of CcGSTS1 from Chouioia cunea Yang

QIN Dong-yu,REN Rui,SUN Mei-di et al

(Tianjin Normal University/Tianjin Key Laboratory of Animal and Plant Utilization and Protection,Tianjin 300387)

Abstract In this study,we characterized a full-length gene encoding GST sequences CcGSTS1 from C.cunea.Phylogenetic analysis showed that CcGSTS1 shared the highest identity with NvGSTS6 of Nasonia vitripennis.The recombinant CcGSTS1 showed glutathione-conjugating activity toward CDNB (1-chloro-2,4-dinitrobenzene) and GSH (Glutathione).The optimal reaction pH value is 7.0.This study provides a foundation for further study on the function of CcGSTS1 gene in C.cunea.

Key words Chouioia cunea Yang;Glutathione S-transferases;Phylogenetic analysis;Enzyme activity

基金項(xiàng)目 天津市教委科研計(jì)劃項(xiàng)目(2019KJ089)。(剩余9674字)

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