天堂国产午夜亚洲专区-少妇人妻综合久久蜜臀-国产成人户外露出视频在线-国产91传媒一区二区三区

當(dāng)前位置:主頁(yè) > 科技論文 > 基因論文 >

突破復(fù)雜性狀多基因轉(zhuǎn)化技術(shù)壁壘,首創(chuàng)胚乳花青素高積累的水稻新種質(zhì)

發(fā)布時(shí)間:2018-07-03 04:02

  本文選題:花青素 + 多基因轉(zhuǎn)化。 參考:《植物學(xué)報(bào)》2017年05期


【摘要】:隨著轉(zhuǎn)基因技術(shù)的日趨成熟,利用生物工程手段加快改良作物農(nóng)藝性狀,已經(jīng)越來(lái)越顯示出其巨大的應(yīng)用潛力。在改良多基因調(diào)控的復(fù)雜農(nóng)藝性狀方面,單基因轉(zhuǎn)化收效甚微,而長(zhǎng)期以來(lái)多基因轉(zhuǎn)化不僅受限于技術(shù)因素,而且在協(xié)調(diào)表達(dá)調(diào)控、代謝及修飾等一系列相關(guān)基因方面更是難于突破。近期,我國(guó)科學(xué)家首次利用自創(chuàng)的多基因垛疊表達(dá)系統(tǒng),成功在水稻(Oryza sativa)胚乳中合成了具有抗氧化活性的花青素,在復(fù)雜性狀多基因轉(zhuǎn)化領(lǐng)域取得了突破性進(jìn)展。
[Abstract]:With the maturity of transgenic technology, it has become more and more promising to improve crop agronomic characters by means of bioengineering. In improving the complex agronomic traits of polygenic regulation, the single gene transformation has little effect, and for a long time polygenic transformation is not only limited by technical factors, but also coordinated expression regulation. Metabolism and modification of a series of related genes are even more difficult to break through. Recently, Chinese scientists successfully synthesized anthocyanins with antioxidant activity in the endosperm of rice (Oryza sativa) by using the self-made polygenic stacking expression system for the first time, and made a breakthrough in the field of multi-gene transformation of complex traits.
【作者單位】: 中國(guó)水稻研究所水稻生物學(xué)國(guó)家重點(diǎn)實(shí)驗(yàn)室;
【分類號(hào)】:Q943.2
,

本文編號(hào):2092307

資料下載
論文發(fā)表

本文鏈接:http://sikaile.net/kejilunwen/jiyingongcheng/2092307.html


Copyright(c)文論論文網(wǎng)All Rights Reserved | 網(wǎng)站地圖 |

版權(quán)申明:資料由用戶afba9***提供,本站僅收錄摘要或目錄,作者需要?jiǎng)h除請(qǐng)E-mail郵箱bigeng88@qq.com