Mhuka dzinogona kugadzirisa nekukurumidza kuti dzirarame nemamiriro ezvinhu akashata ezvakatipoteredza. Humbowo huri kukwira kuratidza kuti zvirimwa zvinogona, zvakare. Bepa rinotsikiswa mujenari Trends mu Plant Science musi waNovember 17 unotsanangura kuti zvirimwa zviri kukurumidza kuchinjika sei kumamiriro ekunze, uye kuti zviri kupfuudza sei izvi kuchinjika kuvana vazvo.
"Rimwe zuva, ndakafunga kuti mararamiro uye ruzivo rwemunhu zvingakanganisa sei magametes ake achiendesa mamorekuru ehupenyu hwavo muvana vavo," anodaro Federico Martinelli, a. plant geneticist paYunivhesiti yeFlorence. "Pakarepo ndakafunga izvozvo zvakanyanya epigenetic marks inofanira kuendeswa mukati zvirimwa, nokuti zvinomera zvipenyu zvipenyu zvinosangana nematambudziko akawanda ezvakatipoteredza kupfuura mhuka muupenyu hwadzo.”
Zvirimwa zviri kutarisana nezvinonetsa zvakatipoteredza kupfuura kare. Semuyenzaniso, kuchinja kwemamiriro ekunze iri kuita kuti nguva yechando ipfupi uye isanyanya kunyanyoipa munzvimbo dzakawanda, uye zvinomera zviri kudavidza. "Zvirimwa zvakawanda zvinoda nguva shoma yekutonhora kuitira kuti vamise wachi yavo yezvakatipoteredza kuti itsanangure nguva yavo yekutumbuka," anodaro Martinelli. “Senguva yekutonhora painopfupika, zvirimwa zvakajairana kuti zvinoda nguva shoma yekutonhora kuti inonoke kutumbuka. Nzira idzi dzinobvumira zvirimwa kuti zvisaita maruva munguva iyo dzine mikana mishoma yekuberekana.”
Nokuti zvinomera hazvina neural networks, ndangariro yavo yakavakirwa zvachose pamaserura, mamorekuru, uye biochemical network. Aya ma network anoumba izvo zvinonzi nevatsvaguri somatic memory. "Maitirwo aya anobvumira zvidyarwa kuona kuitika kwezvakamboitika zvakatipoteredza uye kuita nekukurumidza pamberi pemamiriro akafanana," anodaro Martinelli.
Idzi ndangariro dze somatic dzinogona kupfuudzwa kune zvirimwa 'vana kuburikidza ne epigenetics. "Takasimbisa majini akakosha, mapuroteni, uye madiki oligonucleotides, izvo zvidzidzo zvekare zvakaratidza zvinoita basa rakakosha mukurangarira kushushikana kweabiotic sekusanaya kwemvura, munyu, kutonhora, kupisa, uye simbi inorema uye kurwisa kwepathogen," anodaro Martinelli.
"Muchikamu chino chakatariswa nevezera, tinopa mienzaniso yakati wandei inoratidza kuvepo kwemamorekuru ekugadzirisa ndangariro dzechirimwa. kushushikana kwezvakatipoteredza uye kukanganisa kuchinjika kwevana kune izvi zvinonetsa. ”
Kuenderera mberi, Martinelli nevamwe vake vanotarisira kunzwisisa zvakanyanya nezve majini ari kupfuudzwa. "Isu tinonyanya kufarira kugadzira epigenetic alphabet iri pasi pese kugadziridzwa kweiyo genetic material inokonzerwa nenharaunda, pasina shanduko mukutevedzana kweDNA," anodaro.
“Izvi zvinonyanya kukosha kana tikafunga nezvekukurumidza kushanduka kwemamiriro ekunze kwatinoona nhasi kuti munhu wese chipenyu, kusanganisira zvinomera, zvinoda kukurumidza kuchinjira kuti zvirarame.”