Lavxias teb sab biologists tau tawm tswv yim tawm tsam blackleg nrog kev pab los ntawm cov kab mob bacteriophage uas rhuav tshem cov kab mob tshwj xeeb, tab sis tsis ua mob rau cov qos yaj ywm lossis tib neeg. Cov txiaj ntsig ntawm qhov kev tshawb fawb no luam tawm Hauv phau ntawv xov xwm kab mob.
Phage cocktails (sib xyaw ntawm ntau yam kab mob bacteriophages) yog siv hauv kev ua liaj ua teb tiv thaiv kab mob. Nrog lawv cov kev pab, koj tuaj yeem txo qhov poob vim cov khoom lwj. Tab sis kom deb li deb, sim tiv thaiv cov qos yaj ywm los ntawm cov mos lwj tsis mus dhau qhov chaw kuaj cov raj thiab cov qauv hom, thiab cov xwm txheej zoo li no txawv ntawm qhov tseeb. Yuav kom daws tau cov teeb meem no, nws yog ib qho tsim nyog yuav tsum paub meej cov npe ntawm cov kab mob pathogenic uas ua rau cov qos yaj ywm. Tom qab ntawd, xaiv cov phages uas zoo tshaj plaws tiv nrog lawv, cais lawv hauv cov kab lis kev cai ntshiab, tsim thiab tsim cov thev naus laus zis rau lawv siv hauv kev cia khoom. Cov kws tshawb fawb los ntawm Peoples' Friendship University of Russia tau tshawb fawb txog cov ncauj lus no.
"Yuav kom siv phage cocktail tiv thaiv mos rot ntawm kev lag luam nplai, koj yuav tsum tau teb ntau cov lus nug txog cov kab mob genomics. Pectobacterium thiab cov kab mob uas tshwj xeeb hauv lawv, kom nkag siab zoo dua cov molecular biological hauv paus ntawm lawv cov kev cuam tshuam. Koj kuj yuav tsum nkag siab txog cov ntsiab lus ntawm cov txheej txheem - kev tsim cov cocktail thiab daim ntawv ntawm nws cov kev siv thiab tau txais kev tso cai ntawm qib kev cai lij choj. Peb cov kev tshawb fawb yuav pab daws cov teeb meem no, "said Alexander Ignatov, xibfwb ntawm agrobiotechnological department ntawm RUDN University, kws kho mob ntawm Biological Sciences.
Cov kws tshawb fawb los ntawm RUDN University, ua ke nrog cov npoj yaig los ntawm PhytoEngineering Research Center, lub koom haum ntawm Bioorganic Chemistry ntawm Lavxias Academy ntawm Sciences, thiab Moscow State University, tau sau cov kab mob qos yaj ywm los ntawm cov chaw cia khoom los txheeb xyuas cov kab mob tseem ceeb.
Cov kab mob tau txawv txav los ntawm kev sim PCR thiab kev hloov pauv hauv 16S rRNA gene sequence. Cov kws tshawb fawb pom tias hom kab mob uas zoo li muaj nyob rau Pectobacterium carotovorum, tiag tiag belongs rau ib tug nyuam qhuav txhais hom Pectobacterium ntau yam. Tsis tas li ntawd, cov kab mob feem ntau yog Pectobacterium brasilense и Pectobacterium polaris, uas feem ntau pom nyob rau hauv teb ntawm Central thiab Eastern Europe. Thiab ntawm no Pectobacterium atrosepticum thiab cov neeg sawv cev ntawm tsev neeg Dickeyya, uas ua rau muaj kab mob tshwm sim thaum ntxov 50s, tsis pom nyob rau hauv cov qauv. Cov kws kho mob microbiologist tau sim 10 bacteriophages ntawm cov kab mob no thiab xaiv cov txiaj ntsig zoo tshaj plaws. Nyob rau tib lub sijhawm, cov kws tshawb fawb tau txheeb xyuas cov kab mob uas siv cov kab mob genomic uas yuav rhuav tshem cov kab mob, thiab tsis yog kis rau lawv, koom ua ke rau hauv lawv cov genome thiab mus rau "hom pw tsaug zog." Lub cocktail tau sim nyob rau hauv ib qho chaw muaj qos yaj ywm cia hauv Rogachevo ua liaj ua teb. Cov tubers tau ua tiav ib zaug ib lub lim tiam rau rau lub hlis. Yog li ntawd, kev loj hlob ntawm cov kab mob phytopathogenic ntawm tubers txo los ntawm 12-XNUMX zaug.