利用轉基因技術培育新品種蔬菜
2006年全球轉基因農作物種植麵積突破1億公頃,10年間種植麵積增長了60duobei。jinguanzhuanjiyinshucaideanquanxinghaimeiyoudedaowanquanderenke,danshikexuejiamenhaizaibuduandizhankaixindeyanjiu,xiwangnengpeiyuchugengduopinzhongdeyouzhizhuanjiyinshucai。youyuzhuanjiyinshucaijuyouchanlianggao、口感好、抗蟲害、適shi應ying能neng力li強qiang等deng優you點dian,不bu少shao科ke學xue家jia預yu測ce,越yue來lai越yue多duo的de轉zhuan基ji因yin蔬shu菜cai將jiang進jin入ru人ren們men的de菜cai籃lan子zi,也ye有you一yi些xie具ju有you藥yao用yong價jia值zhi的de轉zhuan基ji因yin蔬shu菜cai將jiang出chu現xian在zai醫yi生sheng的de處chu方fang單dan上shang。
轉基因胡蘿卜
目前,世界上約有3.5yirenganranyixingganyan,ertongchangdefangzhifangfashicaiyonghunheyimiaojiezhong。danshi,zhezhongfangfachengbengao,peiyangbingtichunyimiaofeishifeili。weici,deguojisendaxuedeyanjiurenyuancongshiyongjiaodukaolv,xuanzelezhongzhijiandan、貯(zhu)存(cun)方(fang)便(bian)的(de)胡(hu)蘿(luo)卜(bu)作(zuo)為(wei)載(zai)體(ti),將(jiang)乙(yi)肝(gan)病(bing)毒(du)的(de)表(biao)麵(mian)蛋(dan)白(bai)基(ji)因(yin)注(zhu)入(ru)胡(hu)蘿(luo)卜(bu)基(ji)因(yin),同(tong)時(shi)通(tong)過(guo)一(yi)種(zhong)催(cui)化(hua)劑(ji)提(ti)高(gao)胡(hu)蘿(luo)卜(bu)基(ji)因(yin)中(zhong)乙(yi)肝(gan)病(bing)毒(du)蛋(dan)白(bai)的(de)濃(nong)度(du)。
yanjiurenyuanjieshao,zhezhongzhuanjiyinhuluobuwaibiaoyuputonghuluobumeiyouchayi,zhishizaichengshuzhiqianxuliyongyizhongheermengjihuoqijiyin,shiqishifangchugengdaliangdeganyanyimiaochengfen。
轉基因西紅柿
轉基因西紅柿是全球第一種允許上市的轉基因蔬菜。早在1994年(nian),美(mei)國(guo)就(jiu)批(pi)準(zhun)一(yi)種(zhong)轉(zhuan)基(ji)因(yin)西(xi)紅(hong)柿(shi)上(shang)市(shi),這(zhe)種(zhong)西(xi)紅(hong)柿(shi)的(de)皮(pi)比(bi)較(jiao)厚(hou),便(bian)於(yu)人(ren)們(men)運(yun)輸(shu)和(he)儲(chu)藏(zang)。後(hou)來(lai)又(you)有(you)人(ren)培(pei)育(yu)出(chu)具(ju)有(you)一(yi)定(ding)抗(kang)癌(ai)功(gong)能(neng)的(de)轉(zhuan)基(ji)因(yin)西(xi)紅(hong)柿(shi)。
zuijin,yiselieyanjiurenyuanpeiyuchuyizhongnengsanfaningmengxiangweihemeiguifangxiangdezhuanjiyinxihongshi。zhezhongzhuanjiyinxihongshidehuifaxingtieleihuahewuhanlianghengao。huifaxingtieleihuahewujuyoushachong、抗菌等特性,所以,轉基因西紅柿的保存期更長,無需殺蟲劑也能快速生長。
研究小組認為,像西紅柿一樣能產生類胡蘿卜素的其他農作物和花卉,也能通過轉基因技術改變氣味和口感。
轉基因辣椒
以色列研發成功可在冬季生長的轉基因辣椒,這種辣椒可在0~10攝氏度的低溫條件下順利生長,而一般品種需要在20攝氏度以上才可正常生長。這類新培育的辣椒有多種顏色、生長季長、果guo實shi堅jian硬ying抗kang擠ji壓ya,而er且qie還hai具ju有you抵di抗kang植zhi物wu病bing毒du的de特te性xing,這zhe一yi係xi列lie轉zhuan基ji因yin辣la椒jiao品pin種zhong是shi由you羅luo伯bo特te史shi密mi斯si植zhi物wu科ke學xue研yan究jiu所suo和he希xi伯bo來lai大da學xue共gong同tong研yan發fa的de。廣guang東dong省sheng農nong科ke院yuan和he華hua南nan農nong業ye大da學xue的de科ke技ji人ren員yuan培pei育yu出chu一yi批pi可ke抗kang青qing枯ku病bing的de轉zhuan基ji因yin辣la椒jiao株zhu,可ke有you效xiao地di減jian少shao病bing害hai,提ti高gao辣la椒jiao產chan量liang,減jian少shao農nong藥yao對dui環huan境jing的de汙wu染ran。青qing枯ku病bing有you“辣椒殺手”之稱,是熱帶、亞熱帶地區最嚴重的蔬菜病害。
轉基因生菜
ribenyijiayanjiusuozuijinpeiyuchenggongyizhongzhuanjiyinshengcai,qihantieliangyaobiyibanshengcaigaochujiangjinyibei。zhezhongzhuanjiyinshengcaishibadadoudetiedanbaijiyinzhirushengcaixibaozhongerpeiyuchude,yinerzengqiangleshengcaizhongtiezhidehanliang。qihanliangmeikeshengcaizhongwei370―380微克,比一般生菜品種高出約一倍。生菜中的維生素C含量高,有利於人體吸收鐵質。按照全部鐵質被人體吸收計算,成年人每天隻要吃半棵這種生菜,就可滿足生理需要。
轉基因茄子
renmenyizhiduiwuziguoshibijiaoganxingqu,zheshiyinweizhongziwangwangjianyingqieweidaobujia,erqiewuziguoshiyouyuyuanlaichangzhongzidedifangxianzaibeiguorouzuzhitianchongle,xiaofeizheyongtongyangdeqianjiukeyimaidaogengduokeshiyongdeguorou。yinci,nongyeshangduipeiyangwuziguoshihenyouxingqu。
意(yi)大(da)利(li)研(yan)究(jiu)人(ren)員(yuan)將(jiang)一(yi)個(ge)能(neng)夠(gou)提(ti)高(gao)植(zhi)物(wu)激(ji)素(su)吲(yin)哚(duo)乙(yi)酸(suan)含(han)量(liang)的(de)基(ji)因(yin)轉(zhuan)移(yi)到(dao)茄(qie)子(zi)中(zhong),培(pei)養(yang)出(chu)無(wu)子(zi)茄(qie)子(zi)。從(cong)經(jing)濟(ji)角(jiao)度(du)看(kan),這(zhe)種(zhong)轉(zhuan)基(ji)因(yin)茄(qie)子(zi)與(yu)傳(chuan)統(tong)茄(qie)子(zi)品(pin)種(zhong)相(xiang)比(bi)主(zhu)要(yao)有(you)三(san)大(da)優(you)勢(shi):其總體產量比傳統品種可提高了30%以上,其培育成本與以往的無子果實相比大大降低,轉基因茄子在正常條件下不適於果實生產的相對低溫條件下也可生產。http://www.98fo.cn



