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Agrobacterium tumefaciensElektronna mikrofotografiya A tumefaciens v procesi infikuvannya klitini morkoviBiologichna klasifikaciyaDomen Bakteriyi Bacteria Tip Proteobakteriyi Proteobacteria Klas Alfa proteobakteriyi a Proteobacteria Ryad RhizobialesRodina RhizobiaceaeRid AgrobacteriumVid Agrobacterium tumefaciensBinomialna nazvaAgrobacterium tumefaciens Smith et Townsend 1907 Conn 1942SinonimiBacterium tumefaciens Smith and Townsend 1907 Pseudomonas tumefaciens Smith and Townsend 1907 Duggar 1909 Phytomonas tumefaciens Smith and Townsend 1907 Bergey et al 1923 Polymonas tumefaciens Smith and Townsend 1907 Lieske 1928PosilannyaVikishovishe Agrobacterium tumefaciensVikividi Agrobacterium tumefaciensITIS 967928NCBI 358Agrobacterium tumefaciens vid gram negativnih obligatno aerobnih palichkovidnih gruntovih bakterij Na vidminu vid svoyih rodichiv rizobij sho ye simbiontami roslin cya bakteriya ye vidomim patogenom bagatoh vidiv roslin viklikayuchi hvorobu koronchastih galliv tipu roslinnoyi puhlini Cherez velike chislo vidiv roslin yaki vona vrazhaye napriklad vinograd hrin cukrovij buryak revin ye vazhlivoyu zagrozoyu dlya silskogo gospodarstva 1 Krim togo vona mozhe buti oportunistichnim patogenom deyakih tvarin zokrema lyudini 2 Golovnij faktorom patogennosti ye zdatnist ciyeyi bakteriyi transformuvati klitini roslini hazyayina za dopomogoyu specialnoyi plazmidi Cherez cyu vlastivist Agrobacterium tumefaciens shiroko vikoristovuyetsya v gennij inzheneriyi dlya transformaciyi roslin Zmist 1 Sistematika 2 Biologichni vlastivosti 2 1 Morfologiya 2 2 Metabolizm 2 3 Genom 3 Patogennist dlya roslin 4 Vikoristannya v gennij inzheneriyi 5 Div takozh 6 Primitki 7 PosilannyaSistematika RedaguvatiCya bakteriya bula vpershe opisana Smitom Smith i Taunsendom Townsend pid nazvoyu Bacterium tumefaciens vid tumor puhlina i facere robiti diyati v nazvi bula vidobrazhena zdatnist bakteriyi viklikati puhlini roslin U 1902 roci Bejyerink Beijerink i van Delden van Delden opisali vid pid nazvoyu Agrobacterium radiobacter a v 1942 roci Konn Conn reklasifikuvav jogo pid nazvoyu Agrobacterium tumefaciens U 1993 roci Savada Sawada ta in zaproponuvali skasuvati nazvu Agrobacterium tumefaciens yak nelegitimnij molodshij sinonim nazvi Agrobacterium radiobacter 3 prote komisiya zalishila nazvu Agrobacterium tumefaciens i cyu bakteriyu yak tipovij vid rodu Agrobacterium Conn 1942 4 U 2001 roci Yung Young ta in zaproponuvali perevesti vid Agrobacterium tumefaciens do rodu Rhizobium sho virishuvalo pitannya pro vidovij epitet tumefaciens yakij buv bi legitimnim pri perenesenni bakteriyi do inshogo rodu 5 prote propoziciya ne bula prijnyata Biologichni vlastivosti RedaguvatiMorfologiya Redaguvati Agrobacterium tumefaciens pryami abo zlegka zignuti palichkopodibni bakteriyi rozmirom 0 6 1 0 1 5 3 0 mikron Ne utvoryuyut spor ruhomi za dopomogoyu 1 4 dzhgutikiv roztashovanih peritrihialno odinochno abo poparno Metabolizm Redaguvati Cya bakteriya hemoorganogeterotrof obligatnij aerob Ne vimagaye specifichnih faktoriv dlya zrostannya na shtuchnih pozhivnih seredovishah Zdatna vikoristovuvati vidnosno velikij spektr organichnih rechovin yak yedine dzherelo vuglecyu N acetilglyukozamin a alanin b alanin arabinozu aspartat dulcit tosho zdatnij rosti v LB buljoni Na agarizovanih pozhivnih seredovishah utvoryuyut opukli krugli gladki koloniyi sho ne pigmentuyutsya abo slabo bezhevi Utilizuvye mannitol ta inshi vuglevodi z utvorennyam kisloti Na seredovishah z vuglevodami sposterigayetsya vidilennya slizu ekzopolisaharidiv Oksidazopozitivni utvoryuyut ureazu ne utvoryuyut indol 6 Genom Redaguvati Genom A tumefaciens shtamu S58 maye rozmir 5 67 mln par osnov i skladayetsya z dvoh hromosom kilceioyi i linijnoyi 7 i dvi plazmidi Vidmichenij velikij riven gomologiyi z genomom Sinorhizobium meliloti sho pripuskaye nedavnye evolyucijne rozhodzhennya 8 Kilceva hromosoma A tumefaciens shtamu S58 maye rozmir 2841580 par osnov i mistit 2819 geniv z yakih 2765 koduyut bilki 9 Linijna hromosoma maye rozmir 2075577 par osnov i mistit 1884 geniv z yakih 1851 koduyut bilki 10 Nayavnist kilcevoyi i linijnoyi hromosomi harakterna i dlya inshih shtamiv A tumefaciens napriklad shtamu MAFF301001 8 nbsp Mapa Ti plazmidi A tumefaciensA tumefaciens shtamu S58 mistit dva plazmidi At plazmidu i Ti plazmidu At plazmida vid Agrobacterium tumefaciens ye kilcevoyu dvolancyuzhkovoyu molekuloyu DNK rozmirom 542868 par osnov i mistit 557 geniv z yakih 542 koduyut bilki 11 Ti plazmida vid angl tumor inducing obumovlyuye patogennist A tumefaciens i zdatna vbudovuvatisya v genom roslini gospodarya perenosyachi T DNK v procesi sajt specifichnoyi rekombinaciyi 12 13 plazmida takozh mozhe chastkovo vbudovuvatisya v genom Saccharomyces cerevisiae shlyahom nezakonnoyi rekombinaciyi 14 Prote zarazhennya mishej patogennimi A tumefaciens ne viklikaye ekspresiyi geniv reporteriv v tkaninah 15 Ti plazmida A tumefaciens shtamu S58 ye kilcevoyu dvolancyugovoyu molekuloyu DNK rozmirom 214233 par osnov i mistit 199 geniv z yakih 197 koduyut bilki 16 Cya plazmida mistit geni sho kontrolyuyut biosintez i katabolizm specifichnih aminokislot opiniv 17 sho vikoristovuyutsya yak dzherelo zhivlennya ciyeyi bakteriyi oktopin nopalin agropin 18 geni virulentnosti geni sintezu fitogormoniv citokininiv i auksiniv yaki viklikayut utvorennya puhlin i dediferenciyuvannya tkanin roslini T DNK vlasne i ye integrovanoyu dilyankoyu Ti plazmidi sho nese geni sintezu fitogormonov i opiniv 19 Patogennist dlya roslin Redaguvati nbsp Koronchasti galli utvoreni A tumefaciens na korinni Carya illinoensisA tumefaciens viklikaye utvorennya tak zvanih koronchatih galliv u roslin Ce puhlinoutvorennya pov yazane z perenesennyam T DNK v genom roslini z podalshoyu jogo transformaciyeyu Transformovani klini zvazhayuchi na disbalans sintezu fitogormonov dediferencuyutsya i pochinayut nevregulovane zrostannya Takozh transformovani klitini roslini pochinayut sintezuvati opini yaki A tumefaciens zdatna vikoristovuvati yak dzherelo zhivlennya Pevnu rol v indukciyi ekspresiyi geniv virulentnosti A tumefaciens z roslinoyu gospodarem grayut specifichni vnutriklitinni metaboliti roslini hazyayina 20 sho vidilyayutsya pri poranenni tkanin roslini 21 Vazhlivim etapom patogennogo procesu ye sintez T vorsinok pri dopomozi sistemi sekreciyi IV tipu sho zdijsnyuyetsya pid diyeyu VIRB operonu Za dopomogoyu T vorsinok A tumefaciens priyednuyetsya do klitini roslini formuyuchi kon yugacijnij mistok i za dopomogoyu bilka VirE1 perenosit kompleks odnolancyuzhkovoyi T DNK z bilkom VirE2 22 sho utvoryuyetsya zazdalegid z Ti plazmidi i spoluchenogo z bilkom VirE2 23 v klitinu roslini 24 25 Takozh na transformaciyu klitin roslin robit vpliv specifichnij bilok VirE3 sho transportuyetsya v yadro razom z T DNK i sho jmovirno zv yazuyetsya z faktorom transkripciyi 26 U yadri T DNK integruyetsya v genom klitini roslini hazyayina 27 shlyahom sajt specifichnoyi rekombinaciyi 28 29 Vprovadzhennya T DNK viklikaye utvorennya harakternih puhlin roslin cherez gipersintez fitogormoniv u puhlinnih tkaninah pochinayut nakopichuvatisya opini Podibnij proces vlastivij inshomu vidu rodu A rhizogenes sho takozh mistit Ti plazmidu Vikoristannya v gennij inzheneriyi Redaguvati nbsp S chacoense en transformovani za dopomogoyu A tumefaciens Shmatochki listka v yakih rozpochalosya kalusoutvorennyaZavdyaki zdatnosti A tumefaciens transformuvati klitini roslin cya bakteriya zaraz aktivno vikoristovuyetsya dlya perenesennya genetichnogo materialu z metoyu genetichnoyi modifikaciyi roslin 30 31 A tumefaciens zdatna transformuvati bilshist dvodolnih roslin 32 33 tak i deyaki odnodolni 34 35 ta deyaki mikroskopichni gribki 36 Na osnovi Ti plazmidi buli rozrobleni specifichni vektori z vidalenimi genami fitogormoniv i opiniv dlya togo shob perenositi chuzhoridnu genetichnu informaciyi do genomu roslin 37 z metoyu otrimannya roslin z bazhanimi korisnimi oznakami Div takozh 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Agrobacterium and Ti Plasmids A Brief History Scribd Arhiv originalu za 27 chervnya 2013 Procitovano 23 veresnya 2008 Arhivovana kopiya Arhiv originalu za 24 veresnya 2015 Procitovano 23 veresnya 2008 Arhivovana kopiya Arhiv originalu za 29 kvitnya 2008 Procitovano 23 veresnya 2008 http www sciencedirect com science ob ArticleURL amp udi B6T2W 48JC5WX 1 amp user 10 amp coverDate 06 nedostupne posilannya z serpnya 2019 2F06 2F2003 amp rdoc 1 amp fmt amp orig search amp sort d amp view c amp acct C000050221 amp version 1 amp urlVersion 0 amp userid 10 amp md5 698c36cab0b02a12183af2827e2d84d1 Arhivovana kopiya Arhiv originalu za 22 veresnya 2008 Procitovano 23 veresnya 2008 http jb asm org cgi content abstract 178 4 1207 ijkey 41429f8dcdead92c99b9be966bd91464ea4c714d amp keytype2 tf ipsecsha nedostupne posilannya Arhivovana kopiya Arhiv originalu za 24 veresnya 2015 Procitovano 23 veresnya 2008 http nar oxfordjournals org cgi content abstract gkl877v1 nedostupne posilannya z lyutogo 2019 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Physiology 146 2 325 Arhiv originalu za 3 grudnya 2008 Procitovano 23 veresnya 2008 Posilannya RedaguvatiAgrobacterium tumefaciens Arhivovano 5 listopada 2008 u Wayback Machine Agrobacterium Conn 1942 Agrobacterium tumefaciens Homepage Agrobacterium tumefaciens From Plant Pathology to Agrobacterium tumefaciens C58 Cereon Genome Page The Genome of Agrobacterium tumefaciens A plant pathogen with a talent for transferring genes Arhivovano 25 veresnya 2008 u Wayback Machine Otrimano z https uk wikipedia org w index php title Agrobacterium tumefaciens amp oldid 40427614