ziviso

Kuvandudza Kubudirira Kwekurima Kuburikidza Nekugadza Chirimwa Fungal Symbiosis

Chidzidzo chinotsanangura nzira nyowani inoyananisa hukama hwesymbiont pakati pezvirimwa nefungi. Izvi zvinovhura nzira dzekuwedzera agriculture goho mune ramangwana kuburikidza nekurima mbesa dzinoshingirira zviri nani zvinoda mvura shoma, ivhu uye kushomeka kwekushandisa fetereza yemakemikari.

Miti ine yakaoma symbiotic hukama ne mycorrhizal fungi. Aya fungi anoumba sheath yakatenderedza midzi yezvirimwa ichipa akawanda mabhenefiti pasi pehukama hwesymbiont. Ukama hunobvumira kuwedzera kwemvura uye kudya kunovaka muviri nechirimwa kunyanya phosphorus uye mukudzoka, chirimwa chinopa kabhoni kune fungi kuti idye uye ikure. Fungi dzinorebesa pamidzi yechirimwa nokudaro ivhu rakakura kwazvo rava kusvikika. Inoda kusvika 80 muzana yemarudzi ese emiti yepasi ane mycorrhizal fungus inobatanidza nemidzi. Ukama uhwu ndihwo hunonyanya kuwanikwa uye hunoenderana nechirimwa-microbial kudyidzana uko nzira dziri pasi dzichiri kuongororwa.

Muchidzidzo chakabudiswa muna Chikunguru 8 mukati Zvisikwa zvakasikwa, vatsvakurudzi vakashandisa genomic sequencing, quantitative genetics, high performance computing uye experimental biology kuti vawane zvinokonzeresa genetic kuti hukama hwesymbiont pakati pechirimwa nefungi. Vakasarudza Arabidopsis, chirimwa chisingadyidzane ne ectomycorrhizal fungus L. bicolor. Vakaona imwe gene iyo inonyanya kudzora hukama hwesymbiotic pakati pechirimwa ichi nefungi muvhu. Mushure mezvo, ivo vakagadzira ichi chirimwa kuita shanduro itsva iyo zvino inoratidzira puroteni inonzi G-mhando lectin receptor-like kinase PtLecRLK1 protein. Chirimwa chaive chaiswa jekiseni nefungus.

G-mhando lectin receptor-like kinase PtLecRLK1 protein inoonekwa kuyananisa kudyidzana pakati pe symbiotic. Populus – L. bicolor uyewo transgenic Arabidopsis - L bicolor masisitimu sezvo fungus inofukidza matipi emidzi yezvirimwa uye inoumba fungal sheath inoratidza symbiotic kuumbwa. Nekugadziridzwa kwejini rimwechete, asiri-mugamuchiri Arabidopsis yakashandurwa kuita mugadziri wesymbiont iyi.

Chidzidzo chezvino chinotsanangura danho rakakosha remamorekuru ekuti symbiotic plant-fungi association inotangwa sei. Kunzwisisa zvirinani hukama uhu nekutsvaga genetic triggers kunogona kubatsira kushandisa iyi symbiont hukama kuti ugone kurima zvirimwa mumamiriro ezvinhu asina kunaka sekusanaya kwemvura, kana kuwedzera kudya uye kutora nitrogen, kubata nehutachiona nezvimwewo. Chidzidzo chinovhura nzira dzeinjiniya inobatsira chirimwa-mycorrhizal. hukama. Inogona kutibatsira kurima zvirimwa zvinoda mvura shoma, zvishoma agriculture ivhu, mafetireza emakemikari mashoma, anodzivirira tumbuyu neutachiona uye anounza goho rakawanda paeka.

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Chitubu (s)

Labbé, J et al. 2019. Kupindirana kwechirimwa-mycorrhizal kupindirana nelectin receptor-like kinase. Nature Plants. 5 (7): 676. http://dx.doi.org/10.1038/s41477-019-0469-x

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