Vatsvagiri vakashandisa iyo nyowani yepamusoro-yepamusoro yakagadzikana isotope yekuongorora (HT-SIP) pombi uye metagenomics kuti vawane kutarisa kwekutanga kune inoshanda microbiome yakatenderedza inobatsira chirimwa symbiont, arbuscular mycorrhizal fungi (AMF). Chikwereti: Lawrence Livermore National Laboratory
Kubatanidza kuzivikanwa kwehutachiona hwemusango nehunhu hwawo uye mashandiro ezvakatipoteredza ndicho chinangwa chakakosha chezvakatipoteredza microbiologists. Pamaitiro anovavarira chinangwa ichi, Stable Isotope Probing-SIP-inoonekwa seyakanyanya kushanda pakudzidza tupukanana tunoshanda munzvimbo dzechisikigo.
Lawrence Livermore National Laboratory (LLNL) masayendisiti akagadzira nzira nyowani-yepamusoro-yepamusoro-soro SIP-inogadzirisa matanho akati wandei mukuita kwekugadzika isotope kuongorora, zvichibvumira kuferefetwa kwehutachiona hwehutachiona hwehutachiona pasi pemamiriro echokwadi, pasina kudiwa kwekugadzira lab.
MuSIP, hutachiona hunoshanda hunoonekwa kuburikidza nekubatanidzwa kwemaisotopes akagadzikana mubiomass yavo. Icho chiri pakati penzira dzakasimba kwazvo mumicrobial ecology sezvo ichigona kuona hutachiona hunoshanda uye hunhu hwadzo (substrate kushandiswa, cellular biochemistry, metabolism, kukura, kufa) munharaunda dzakaoma pasi pemamiriro ekunze.
Kazhinji, nzira yeSIP inoda simba guru-pakushanda uye inongobvumira nhamba shomanana yemasampuli. Asi nzira itsva yeLLNL inoda chikamu chimwe chete muzvitanhatu chehuwandu hwemaoko-pabasa zvichienzaniswa nebhuku reSIP uye inobvumira sampuli gumi nenhanhatu kuti dzigadziriswe panguva imwe chete.
"Maitiro edu ega-otomatiki anodzikisira nguva yevashandi uye anovandudza kuberekana nekunanga matanho akanyanya kushanda eSIP," akadaro LLNL sainzi Erin Nuccio, uye munyori anotungamira webepa rinobuda mumagazini Microbiome. "Isu tashandisa nzira iyi kugadzira masampuli anopfuura chiuru, kusanganisira mamwe kubva kune mashoma evhu asina kudzidza."
Imwe microhabitat yakadaro ivhu rinobva ratenderedza matissue e mycorrhizae - rudzi rwefungi inoumba hukama hwe symbiotic ne72% yezvirimwa zvese zvepanyika. Mukutsinhanisa kabhoni yechirimwa, fungus (arbuscular mycorrhizal fungi) inopa mauto ayo zvinhu zvakakosha zvakadai senitrogen, phosphorus uye mvura.
Mune ino yehumbowo-yechidzidzo chepfungwa, vanyori vakaratidza "food web" yekudyidzana kunokurudzirwa ne mycorrhizal fungi muvhu.
“Tinofunga kuti iyi ndiyo nzira huru yekuti kabhoni yechirimwa iparadzirwe sei muvhu. Ivhu rinobata dziva rakakura kwazvo rekumhanyisa bhasikoro organic kabhoni papasi, "akadaro munyori anowirirana Jennifer Pett-Ridge, anove LLNL chirongwa chinotungamira uye mukuru weDhipatimendi reMagetsi Hofisi yeSainzi "Microbes Persist" Soil Microbiome Scientific Focus Area. . "Isu takateedzera huwandu hudiki hweDNA, takasarudza zvipenyu zvinoshanda tichibva tagadzirazve majenomes avo uye kusangana kwaigona kuitika."
Vamwe vanyori veLLNL vanosanganisira Steven Blazewicz, Marissa Lafler, Ashley Campbell, Jeffrey Kimbrel, Jessica Wollard, Rachel Hestrin pamwe nevaongorori kubva kuLawrence Berkeley National Laboratory, iyo DOE Joint Genome Institute uye University of California, Berkeley.