高溫脅迫對(duì)西花薊馬抗氧化酶活性的影響及CAT基因的克隆與表達(dá)
[Abstract]:Western flower thrips are worldwide pests that harm horticultural and cash crops. The insect was first discovered in Beijing in 2003 and quickly spread to most parts of China. Western flower thrips are often subjected to high temperature stress in summer during invasion, but this does not limit the rapid expansion of their populations. In this paper, physiological and biochemical methods and molecular biology methods were used to analyze the role of antioxidant enzyme system under high temperature stress, in order to understand the tolerance mechanism of thrips to high temperature stress, and to provide a theoretical basis for the study of population diffusion of thrips westerners. The main findings are as follows: 1. The effects of high temperature stress on antioxidant enzyme activity of thrips were studied. The results showed that the activities of superoxide dismutase (SOD), peroxidase (POD) and catalase (catalase) were significantly increased and then decreased after being exposed to 0.5, 1 and 2 h high temperature stress in thrips. The activity of glutathione-S-transferase (GSH-S-transferase) increased significantly under 0.5 h high temperature stress, but not under 1 and 2 h high temperature stress. The results show that the antioxidant enzyme system of thrips can effectively resist oxidative damage caused by high temperature stress. 2. Seven fragments of the internal reference gene of thrips were cloned by RT-PCR technique, including 18s rRNA, EF 1, GAPDH,H3,TUB,ACT and RPL32.. The stability of seven internal reference genes of thrips japonicus under different experimental conditions was studied by means of qRT-PCT technique. The internal reference genes were ranked by the commonly used internal reference gene screening program (NormFinder,geNorm and BestKeeper) and the comparison of 螖 Ct method. Finally, the RefFinder web program was used for comprehensive evaluation, and the best internal reference gene scheme was obtained. The most suitable internal reference gene combinations were as follows: EF-1 and RPL32; high temperature stress was RPL32 and GAPDH; low temperature stress was 18s and EF-1; low temperature time gradient was TUB and GAPDH; low temperature time gradient was EF-1 and TUB.. Finally, the screening of internal reference genes was verified, indicating that the screening of internal reference genes is very necessary for the standardization of quantitative study of target genes. 3. The catalase gene was cloned from thistle by RT-PCR and RACE and named FoCAT.. The full-length cDNA of FoCAT is 1870bp, the open reading frame is 1521bp, encoding 506amino acids, and the predicted molecular weight is 57.11kda. Sequence analysis showed that FoCAT was very conservative and had high similarity to CAT of other insects. FoCAT had two signature sequences of CAT family, which also indicated that FoCAT belonged to one of the CAT gene families. Real-time quantitative PCR was used to study the expression patterns of catalase gene in thistle at different developmental stages and at different temperatures. The results showed that high temperature stress could induce the expression of CAT, but the effect of low temperature stress on the expression of CAT was not significant, and the expression level of CAT in the second instar nymphs of thrips was significantly higher than that of other ages. The expression of CAT was up-regulated at different time gradients both at high temperature and low temperature, and reached the highest value at 2 h after treatment. In conclusion, the ability of thrips to tolerate high temperature stress is an important basis for its rapid invasion and diffusion, and its intrinsic mechanism may be related to the protection of antioxidant system from damage under high temperature stress.
【學(xué)位授予單位】:揚(yáng)州大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2015
【分類號(hào)】:S433.89
【相似文獻(xiàn)】
相關(guān)期刊論文 前10條
1 沈國(guó)琴;西花薊馬的識(shí)別[J];青海農(nóng)技推廣;2004年04期
2 程峻峰,萬(wàn)方浩,郭建英,張國(guó)安;外來(lái)有害入侵生物——西花薊馬[J];中國(guó)生物防治;2005年02期
3 陳月穎;西花薊馬的發(fā)生、識(shí)別與防治[J];吉林農(nóng)業(yè);2005年05期
4 陳洪俊,張友軍;西花薊馬的鑒別與檢疫[J];植物檢疫;2005年01期
5 陳志杰;李英梅;張鋒;張淑蓮;;警惕西花薊馬的發(fā)生及危害[J];西北園藝(蔬菜專刊);2008年02期
6 張愛國(guó);;思茅區(qū)西花薊馬調(diào)查與防治[J];云南農(nóng)業(yè);2009年08期
7 張磊;李世界;;西花薊馬的危害與防治[J];河南農(nóng)業(yè);2010年21期
8 趙成銀;何余容;呂利華;鐘鋒;高燕;齊國(guó)君;邵曉迎;;西花薊馬的寄主、危害及防治措施[J];廣東農(nóng)業(yè)科學(xué);2011年05期
9 高戈;賀洋;王華忠;;天津溫室西花薊馬種群分布及為害情況調(diào)查——以天津都市型現(xiàn)代農(nóng)業(yè)核心區(qū)為例[J];天津農(nóng)業(yè)科學(xué);2011年03期
10 蓋海濤;郅軍銳;孫猛;;溫度對(duì)西花薊馬、花薊馬存活和繁殖的影響[J];植物保護(hù)學(xué)報(bào);2011年06期
相關(guān)會(huì)議論文 前10條
1 張桂芬;劉循;孟祥欽;萬(wàn)方浩;;西花薊馬在我國(guó)分布范圍的初步調(diào)查[A];生物入侵與生態(tài)安全——“第一屆全國(guó)生物入侵學(xué)術(shù)研討會(huì)”論文摘要集[C];2007年
2 張安盛;張思聰;門興元;李麗莉;于毅;;西花薊馬在山東省主要經(jīng)濟(jì)作物上分布的初步調(diào)查[A];第三屆全國(guó)生物入侵大會(huì)論文摘要集——“全球變化與生物入侵”[C];2010年
3 袁成明;郅軍銳;;寄主對(duì)西花薊馬生長(zhǎng)發(fā)育及繁殖的影響[A];第二屆全國(guó)生物入侵學(xué)術(shù)研討會(huì)論文摘要集[C];2008年
4 張金平;張帆;范青海;;應(yīng)用實(shí)驗(yàn)種群生命表評(píng)價(jià)巴氏新小綏螨對(duì)西花薊馬的控制潛能[A];第二屆全國(guó)生物入侵學(xué)術(shù)研討會(huì)論文摘要集[C];2008年
5 郅軍銳;任順祥;;胡瓜鈍綏螨和花粉對(duì)天竺葵上西花薊馬的作用(英文)[A];農(nóng)業(yè)生物災(zāi)害預(yù)防與控制研究[C];2005年
6 張友軍;;危險(xiǎn)外來(lái)入侵生物—西花薊馬分布與應(yīng)急控制技術(shù)[A];提高全民科學(xué)素質(zhì)、建設(shè)創(chuàng)新型國(guó)家——2006中國(guó)科協(xié)年會(huì)論文集(下冊(cè))[C];2006年
7 王曉靈;張帆;;東亞小花蝽對(duì)西花薊馬控制能力的生命表方法評(píng)價(jià)[A];“回眸六十年,再創(chuàng)新局面”——北京昆蟲學(xué)會(huì)成立60周年紀(jì)念刊[C];2010年
8 楊現(xiàn)明;薛曉峰;洪曉月;;入侵生物西花薊馬在中國(guó)的入侵遺傳學(xué)的研究[A];江蘇省昆蟲學(xué)會(huì)第十三次會(huì)員代表大會(huì)暨學(xué)術(shù)研討會(huì)論文摘要集[C];2012年
9 岳臻;郅軍銳;;西花薊馬與二斑葉螨種間關(guān)系研究概述[A];第三屆全國(guó)生物入侵大會(huì)論文摘要集——“全球變化與生物入侵”[C];2010年
10 張治軍;吳青君;張友軍;李學(xué)鋒;徐寶云;呂要斌;;外來(lái)入侵害蟲—西花薊馬分子鑒定[A];生物入侵與生態(tài)安全——“第一屆全國(guó)生物入侵學(xué)術(shù)研討會(huì)”論文摘要集[C];2007年
相關(guān)重要報(bào)紙文章 前5條
1 中化化肥高級(jí)顧問 中國(guó)農(nóng)業(yè)大學(xué)教授 肖悅巖;防治西花薊馬重在早[N];農(nóng)資導(dǎo)報(bào);2013年
2 央視;我國(guó)新發(fā)現(xiàn)外來(lái)入侵生物西花薊馬[N];中國(guó)國(guó)門時(shí)報(bào);2003年
3 本報(bào)記者 寧欽廣 通訊員 王鵬 安靜;外來(lái)入侵害蟲西花薊馬防控取得新進(jìn)展[N];山東科技報(bào);2011年
4 記者 葉玉躍 通訊員 杜瓊;入侵者遭遇終結(jié)者[N];浙江日?qǐng)?bào);2011年
5 ;病蟲害防治指南[N];中國(guó)花卉報(bào);2007年
相關(guān)博士學(xué)位論文 前4條
1 張治科;西花薊馬嗅覺相關(guān)蛋白鑒定及功能研究[D];中國(guó)農(nóng)業(yè)科學(xué)院;2015年
2 吳圣勇;白僵菌、巴氏新小綏螨和西花薊馬間的互作關(guān)系研究[D];中國(guó)農(nóng)業(yè)科學(xué)院;2014年
3 范凡;基于害蟲—天敵關(guān)系的西花薊馬—東亞小花蝽趨光性的結(jié)構(gòu)基礎(chǔ)及其行為機(jī)理[D];河北農(nóng)業(yè)大學(xué);2012年
4 陳洪俊;西花薊馬和三葉草斑潛蠅在中國(guó)的風(fēng)險(xiǎn)評(píng)估及管理對(duì)策研究[D];北京林業(yè)大學(xué);2005年
相關(guān)碩士學(xué)位論文 前10條
1 游中華;常見薊馬的分子鑒定及中國(guó)3地區(qū)西花薊馬遺傳差異分析[D];山東農(nóng)業(yè)大學(xué);2008年
2 張金平;北京地區(qū)植綏螨調(diào)查及巴氏新小綏螨對(duì)西花薊馬控制能力研究[D];福建農(nóng)林大學(xué);2008年
3 劉秋磊;多殺菌素抗性西花薊馬轉(zhuǎn)錄組測(cè)序及nAChRα5和α7亞基的克隆分析[D];中國(guó)農(nóng)業(yè)科學(xué)院;2015年
4 李娟;防治西花薊馬的白僵菌耐熱性及可濕性粉劑研究[D];中國(guó)農(nóng)業(yè)科學(xué)院;2015年
5 湯云霞;西花薊馬的實(shí)時(shí)熒光定量PCR檢測(cè)方法的建立及花薊馬線粒體全基因組序列的測(cè)定與分析[D];南京農(nóng)業(yè)大學(xué);2012年
6 鄭玉濤;高溫脅迫對(duì)西花薊馬抗氧化酶活性的影響及CAT基因的克隆與表達(dá)[D];揚(yáng)州大學(xué);2015年
7 陳銳芬;西花薊馬對(duì)寄主植物的適應(yīng)特性研究[D];福建農(nóng)林大學(xué);2011年
8 單彩慧;防治西花薊馬藥劑的室內(nèi)篩選及其對(duì)噻蟲嗪的抗性風(fēng)險(xiǎn)評(píng)估[D];南京農(nóng)業(yè)大學(xué);2011年
9 馬鶴娟;加州新小綏螨對(duì)西花薊馬的控制作用初探[D];華中農(nóng)業(yè)大學(xué);2014年
10 李景柱;西花薊馬與豆科蔬菜相互關(guān)系研究[D];貴州大學(xué);2008年
,本文編號(hào):2431668
本文鏈接:http://sikaile.net/kejilunwen/nykj/2431668.html