Vatsvagiri vepaYunivhesiti yeHiroshima vari kuswedera pedyo nekufumura mafashamo arikutadzisa zvirimwa mweya weokisijeni. Izvi zvichabatsira kugadzira zvirimwa zvinoshingirira mafashama. Phys.org portal.
Maererano neWorld Bank, mafashamo injodzi yenyika yose inotyisidzira upenyu nezvinhu zvemabhiriyoni evanhu. Kunyange vanhu vakawanda vari panjodzi yenzara nekuda kwemafashamo: mvura inogona kufashamira zvirimwa. Vatsvakurudzi vave pedyo nekuziva molecular processzvichikonzera kuti mafashamo anonyima sei zvirimwa mweya weokisijeni. Izvi zvichabatsira kugadzira mbesa dzakasimba.
Nekubatsirwa kwe meta-analysis, izvo zvinosanganisira kuongororazve data kubva kune zvimwe zvidzidzo zvakajairika, boka kubva kuGraduate Chikoro cheIntegrated Life Sciences paYunivhesiti yeHiroshima chakawana akati wandei akafanana. majini uye nzira dzakabatana mumupunga (Oryza sativa) uye Arabidopsis (Arabidopsis thaliana). Masayendisiti akaburitsa tsvakiridzo yavo mujenari upenyu.
"Hypoxia is abiotic stress yezvirimwa, zvinowanzokonzerwa nemafashamo," akadaro munyori-munyori wekudzidza Keita Tamura, achitaura nezvekushaikwa kweokisijeni kunokonzerwa nekuwedzeredza. “Kunyangwe ongororo yakawanda yakaitwa munguva yakapfuura, takafunga kuti zvakavanzika biological mechanisms inogona kuwanikwa nekuongorora zvidzidzo zvakawanda uchishandisa meta-analysis yedata rinowanikwa pachena. "
Chikwata chakatarisa mupunga uye watercress, sezvo genetics yemhando mbiri idzi yakanga yakambodzidzwa zvakanyanya. Sekureva kwaTamura, mupunga unoonekwawo sechimwe chezvirimwa zvakakosha pasi rose, uchishanda sechiri chikuru chikafu chigadzirwa kune vanhu vanopfuura mabhiriyoni mana, maererano neAdvisory Group for International Agricultural Research, saka kunzwisisa nzira yekudzivirira chirimwa kubva kune hypoxia, inokosha.
Vatsvakurudzi vakacherechedza 29 pairs yeRNA sequencing data yeArabidopsis uye 26 peya yemupunga mune zvose zvakajairwa uye kushomeka kweokisijeni mamiriro kubva kumaseti aripo. Sekureva kwaProfessor Hidemasa Bono, kutevedzana kweRNA kunosanganisira kududzira genetic blueprint pane imwe nzvimbo, zvinoreva kuti data rinogona kushandiswa kudzidza kuti ndeapi majini akakonzera shanduko.
"Nekuongorora RNA data sequencing, takaona 40 uye 19 yakagadziriswa uye yakadzikira majini mumhando mbiri idzi," akadaro Bono. "Pakati pavo, mamwe maWRKY akanyorwa zvinhu uye cinnamate-4-hydroxylase, ane basa rekupindura hypoxia richiri risingazivikanwe, raiwanzo kudzorwa muArabidopsis nemupunga."
Sekureva kwaBono, iyi general upregulation inoreva kuti mamorekuru aya anowedzera kushanda kana paine kushomeka kweokisijeni, zvichiratidza basa ravo chairo remabatiro anoita zvirimwa.
Bono naTamura vakafananidza mibairo yavo neyakafanana meta-analysis ye hypoxia mumasero emunhu uye matishu samples. Vakaona kuti maviri emajini anowanzo shandiswa mukati mupunga uye Arabidopsis vakadzvinyirirwa muvamwe vavo vevanhu.
"Kuongorora kwedu meta kunoratidza nzira dzakasiyana dzemamorekuru dze hypoxia muzvirimwa nemhuka," Bono akadaro. "Majini emumiriri anoonekwa muchidzidzo ichi anotarisirwa kujekesa nzira itsva dzemamolekyulu ekupindura kwechirimwa kune hypoxia. Pakupedzisira, isu tinoronga kunyengedza imwe yemajini ane genome editing tekinoroji kugadzira zvidyarwa zvinoshivirira mafashama. "