Chirimwa chakakodzera chirimwa chinonaka uye chinopa goho guru, uyewo chinopesana nezvirwere uye zvipembenene. Asi kana majini anoenderana ari kure kure pachromosome, mamwe eaya maitiro akanaka anogona kurasika mukusarudzwa. Kuti ive nechokwadi chekuti hunhu hwese hwakanaka hunofambiswa pamwe chete, vaongorori veKarlsruhe Institute of Technology (KIT) vakashandisa CRISPR/Cas molecular scissors kushandura uye kumisa makromosomes echipfumbamwe eArabidopsis, inoshuma. Phys.org portal. Hunhu hwakavharirwa muchikamu ichi chekromozomu hunova "husingaoneki" kune genetic exchange uye nekudaro hunogona kupfuudzwa pasina kuchinjika.
Kugadzirisa kwakanangwa, kuisa kana kudzvanyirira majini mumiti zvinogoneka uchishandisa CRISPR/Cas molecular scissors. Iyi nzira inogona kushandiswa kuwedzera kurwisa kwezvirimwa kune zvipembenene, zvirwere kana kukanganisa kwezvakatipoteredza Chitatu.
"Mumakore achangopfuura, kekutanga, takakwanisa kushandisa CRISPR / Cas kwete kungogadzirisa majini, asiwo kuchinja maitiro echromosomes," anodaro Prof. Holger Puchta, uyo ave achidzidza nezvegene scissors neboka rake. paChina Botanical Institute kwemakore makumi matatu.
Iye zvino vatsvakurudzi vakakwanisa kudzivirira genetic exchange, iyo inowanzova chikamu chenhaka, asi inogona kukanganisa hukama pakati pemaitiro. Kusvikira zvino, kana mavara echirimwa aizopfuudzwa pamwe chete, majini ezviito izvozvo aifanira kuva pedyo pakromozomu imwe chete. Kana majini akadaro ari kure kure, anowanzo kupatsanurwa panguva yenhaka, saka hunhu hunobatsira hunogona kurasika mukuita sarudzo.
Mukutsvakurudza kwavo, masayendisiti akatevera muenzaniso wezvakasikwa. "Inversions - rudzi rwekusaonekwa kwemajini - zvakare inowanzoitika padiki pazvidyarwa zvesango uye zvakarimwa. Takadzidza zvidzidzo kubva kune zvakasikwa, kushandisa uye kuwedzera ruzivo rwedu rwe Natural process', anodaro Puchta.
Tichibatsirana naProf. Andreas Huben veInstitute for Plant Genetics uye Cultivated Plant Research. Leibniz (IPK) Puchta nechikwata chake vakapeta zvikamu zvipfumbamwe mugumi zvemakromosomes muchimiro chemuenzaniso, Arabidopsis thaliana. Kunoperera machromosome chete ndiko kwakaita kuti majini arambe akatevedzana. "Nezvimedu izvi, chromosome inogona kupfuudzwa kuchizvarwa chinotevera semamwe machromosome uye kwete kurasika zvachose," anodaro Puchta.
Kuti kurima kunobudirira kwezvirimwa zvekurima, zvakakosha kusanganisa maitiro akawanda akanaka sezvinobvira muchirimwa chimwe. “Chokwadi, varimi vezvirimwa vanoda kuti zvinhu zvavo zvive zvinonaka, zvine mavhitaminzi akawanda sezvinobvira, uyewo kuti zvirambe zvirwere. Nemaitiro edu, tinogona kurerutsa izvi mune ramangwana, ”anodaro Puchta.