Abahanga bakoze enzyme ishobora kongera umuvuduko wo kubora plastike inshuro esheshatu. Enzyme iboneka muri bagiteri yo munzu yimyanda igaburira ibiryo byamacupa ya plastike yakoreshejwe ifatanije na PETase kugirango byihute kubora plastike.
Inshuro eshatu ibikorwa bya super enzyme
Itsinda ryateguye enzyme ya PETase isanzwe muri laboratoire, ishobora kwihuta kubora kwa PET hafi 20%. Noneho, itsinda rimwe rya transatlantike ryahujije PETase na "umufatanyabikorwa" (enzyme ya kabiri yitwa MHETase) kugirango habeho iterambere ryinshi: kuvanga PETase na MHETase gusa bishobora kongera umuvuduko wo kubora PET Kubikuba kabiri, no gutegura isano iri hagati yimisemburo yombi. gukora "super enzyme" yikuba gatatu iki gikorwa.
Iri tsinda riyobowe n’umuhanga wateguye PETase, Porofeseri John McGeehan, umuyobozi w’ikigo gishinzwe guhanga udushya (CEI) muri kaminuza ya Portsmouth, na Dr. Gregg Beckham, umushakashatsi mukuru muri Laboratwari y’igihugu ishinzwe ingufu (NREL). Muri Amerika
Porofeseri McKeehan yagize ati: Jye na Greg turimo tuvuga uburyo PETase yangiza ubuso bwa plastiki, kandi MHETase ikomeza kubimenagura, birasanzwe rero kureba niba dushobora kubikoresha hamwe twigana ibibera muri kamere. "
Imisemburo ibiri ikorana
Ubushakashatsi bwambere bwerekanye ko iyi misemburo ishobora rwose gukorana neza, bityo abashakashatsi bahisemo kugerageza kubahuza kumubiri, kimwe no guhuza Pac-Man ebyiri n'umugozi.
"Hakozwe imirimo myinshi ku mpande zombi za Atlantike, ariko birakwiye ko dushyirwa mu bikorwa-twishimiye kubona ko enzyme nshya ya chimeric yihuta inshuro eshatu ugereranije na enzyme yigenga isanzwe ihindagurika, ikingura inzira nshya zo kurushaho gutera imbere. n'iterambere. " McGeehan yakomeje.
Byombi PETase hamwe na MHETase-PETase bishya birashobora gukora mugusya plastike ya PET no kuyisubiza muburyo bwambere. Muri ubu buryo, plastiki irashobora gukorwa kandi igakoreshwa ubudasiba, bityo bikagabanya kwishingikiriza ku mutungo w’ibinyabuzima nka peteroli na gaze gasanzwe.
Porofeseri McKeehan yakoresheje synchrotron muri Oxfordshire, ikoresha X-imirasire ikubye inshuro 10 miliyari izuba, nka microscope, bihagije kugira ngo yitegereze atome ku giti cye. Ibi byatumye itsinda ryubushakashatsi rikemura imiterere ya 3D ya enzyme ya MHETase, bityo ibaha igishushanyo mbonera cya molekile kugirango batangire gukora sisitemu ya enzyme yihuse.
Ubu bushakashatsi bushya bukomatanya uburyo, kubara, ibinyabuzima na bioinformatics kugirango hagaragazwe imyumvire ya molekulire yimiterere n'imikorere yayo. Ubu bushakashatsi nimbaraga nini yitsinda ririmo abahanga mubyiciro byose.
