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

基于transformer2和doublesex級聯(lián)互作的煙粉虱性別決定機制研究

發(fā)布時間:2018-05-07 17:15

  本文選題:煙粉虱 + 性別決定; 參考:《中國農(nóng)業(yè)科學院》2016年博士論文


【摘要】:性別決定是生物兩性形成和正常生長發(fā)育的基礎,對種群延續(xù)意義重大。煙粉虱是一種世界性農(nóng)業(yè)害蟲,為單雙倍體昆蟲。雄蟲來自未受精的卵為單倍體,雌蟲來自受精卵為雙倍體。為了研究煙粉虱的性別決定機制,對其性別決定中的兩個關(guān)鍵基因transformer2(Bttra2)和doublesex(Btdsx)進行了克隆和分析,并進一步利用RNAi技術(shù)闡述了其在煙粉虱性別決定中的作用。研究結(jié)果表明煙粉虱Bttra2全長1702bp,由10個外顯子和9個內(nèi)含子組成;Btdsx全長2339bp,由7個外顯子和6個內(nèi)含子組成。發(fā)現(xiàn)Bttra2有四種剪接形式,編碼四種蛋白,表達豐度雄蟲高于雌蟲;而Btdsx有13種剪接形式,編碼六種蛋白,表達豐度雄蟲也高于雌蟲。明確了transformer2和Btdsx在煙粉虱性別決定通路中均發(fā)揮至關(guān)重要作用且兩者相互影響和制約,Bttra2/Btdsx基因的干擾影響Vg基因和Btdsx/Bttra2的表達量,造成煙粉虱雄蟲生殖器官尾針畸形。研究結(jié)果對于闡明煙粉虱性別決定機制具有重要理論意義。
[Abstract]:Sex determination is the basis for the formation of biological hermaphroditism and normal growth and development, which is of great significance for population continuation. Bemisia Tabaci is a worldwide agricultural pest, a haploidy insect. Males from unfertilized eggs were haploid and females from fertilized eggs were diploidy. In order to study the sex determination mechanism of Bemisia Tabaci, two key genes, transformer2Bttra2) and DoublesexexBtdsx), were cloned and analyzed, and their roles in sex determination of Bemisia Tabaci were further elucidated by using RNAi technique. The results showed that the total length of Bemisia Tabaci Bttra2 was 1702 BP, which consisted of 10 exons and 9 introns, which consisted of 7 exons and 6 introns. It was found that Bttra2 had four splicing forms, encoding four proteins, and that Btdsx had 13 splicing forms, encoding six proteins, and expressed more abundant male than female. It is clear that transformer2 and Btdsx play an important role in the sex-determining pathway of Bemisia Tabaci and that the interference of Bttra2 / Btdsx gene affects the expression of Vg gene and Btdsx/Bttra2 and causes malformation of male reproductive organ of Bemisia Tabaci. The results are of great theoretical significance to clarify the sex determination mechanism of Bemisia Tabaci (Bemisia Tabaci).
【學位授予單位】:中國農(nóng)業(yè)科學院
【學位級別】:博士
【學位授予年份】:2016
【分類號】:S433

【相似文獻】

相關(guān)博士學位論文 前1條

1 郭利桃;基于transformer2和doublesex級聯(lián)互作的煙粉虱性別決定機制研究[D];中國農(nóng)業(yè)科學院;2016年

,

本文編號:1857775

資料下載
論文發(fā)表

本文鏈接:http://sikaile.net/shoufeilunwen/nykjbs/1857775.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42b46***提供,本站僅收錄摘要或目錄,作者需要刪除請E-mail郵箱bigeng88@qq.com
欧美国产在线观看精品| 欧美人妻少妇精品久久性色| 日韩欧美一区二区不卡看片| 亚洲一区二区三区中文久久| 免费在线成人激情视频| 国产在线观看不卡一区二区| 亚洲精品福利视频在线观看| 高潮少妇高潮久久精品99| 久久精品久久久精品久久| 中文字幕佐山爱一区二区免费| 欧美一区二区三区视频区| 亚洲三级视频在线观看免费| 亚洲国产色婷婷久久精品| 国产福利一区二区久久| 91精品国产品国语在线不卡| 国产麻豆一区二区三区在 | 久久精品国产亚洲av久按摩| 99少妇偷拍视频在线| 国产成人精品一区二三区在线观看| 91插插插外国一区二区| 99精品国产一区二区青青| 亚洲国产一区精品一区二区三区色| 91福利视频日本免费看看| 国产极品粉嫩尤物一区二区| 久久精品国产亚洲av麻豆尤物| 国产原创激情一区二区三区| 少妇视频一区二区三区| 免费性欧美重口味黄色| 亚洲另类欧美综合日韩精品| 中文字幕日韩欧美亚洲午夜| 亚洲欧美日产综合在线网| 人体偷拍一区二区三区| 色综合视频一区二区观看| 欧美91精品国产自产| 亚洲综合精品天堂夜夜| 亚洲精品偷拍一区二区三区| 精品欧美日韩一区二区三区| 污污黄黄的成年亚洲毛片| 久久精品视频就在久久| 日本道播放一区二区三区| 午夜久久精品福利视频|