nkhani

Posachedwapa, gulu la Soil Pest Control Innovation Team la Institute of Plant Protection, Chinese Academy of Agricultural Sciences, lofalitsidwa pa intaneti mu nyuzipepala yotchuka padziko lonse "Journal of Hazardous Materials" yotchedwa "Transcriptome imasonyeza kusiyana kwa poizoni wa dimethyl disulfide mwa kukhudzana ndi fumigation pa Meloidogyne. incognita kudzera mu njira ya calcium -mediated oxidative phosphorylation" pepala lofufuza. Pepalali likuwunikira njira za biochemical ndi mamolekyulu za kusiyana kwachilengedwe kwa dothi fumigant dimethyl disulfide.(DMDS)motsutsana ndi ma nematode a mizu-fundo pansi pa machitidwe awiri osiyana: kuphana ndi kufukiza, ndipo amapereka chidziwitso cha sayansi ndi kugwiritsa ntchito bwino malingaliro atsopano a fumigant DMDS.
Kupewa ndi kuwongolera matenda a nematode a mizu m'nthaka ndi vuto lapadziko lonse lapansi, ndipo mankhwala opha nematode athandiza kwambiri kupewa ndi kuwongolera matenda a nematode. Zofukiza za dothi zimagwiritsidwa ntchito kwambiri polimbana ndi tizirombo m'nthaka chifukwa cha kukhazikika kwake komanso kugwiritsa ntchito moyenera. DMDS ndi mtundu watsopano wa fumigant m'nthaka, yomwe simakonda kuwononga chilengedwe ndipo imafuna kugwiritsa ntchito kwambiri. Popeza pali kusiyana kwina m'mene zofukiza ndi anthu okhudzana ndi chikhalidwe zimagwirira ntchito pa zamoyo zomwe zakhudzidwa, kafukufukuyu adawunikira zotsatira zenizeni za DMDS pa nematodes kuchokera pamalingaliro awiri akupha ndi kufukiza, kutengera kusiyana kwa kawopsedwe wa DMDS kupita ku nematodes polowera. Njira.
Kafukufukuyu adavumbulutsa kuti mankhwalawa amalowa m'mizu ya nematode ya chamoyo chamoyo kudzera m'njira ziwiri: kufukiza ndi kupha anthu, kuwononga mawonekedwe a mbali zosiyanasiyana za nematode, kusokoneza njira za calcium ion m'magulu osiyanasiyana, komanso zimakhudza. mitundu yosiyanasiyana ya oxidative phosphorylation mu kupuma. . Mu njira yopha anthu, DMDS imalowa mwachindunji m'thupi la nematode kudzera pakhoma la thupi, imawononga khoma la thupi ndi minofu ya nematode, imakhala ngati wothandizira, imasokoneza ATP synthase, ndikulimbikitsa kupuma kwa nematode. Mu njira fumigation, DMDS amalowa mu nematode thupi kudzera olfactory kuzindikira-oxygen kuwombola ndondomeko, ndipo potsiriza amachita pa kupuma elekitironi zoyendera unyolo zovuta IV kapena zovuta I, superimposing ndi kuwonongeka okosijeni, kuchititsa imfa ya nematode. Kafukufukuyu amathandizira kutsogolera kugwiritsa ntchito zofukiza bwino, mwasayansi komanso moyenera, komanso kukulitsa chiphunzitso cha njira zofukizira.
Institute of Plant Protection of the Chinese Academy of Agricultural Sciences ndi gawo lomwe linamaliza mapepalawo. Wang Qing, wophunzira womaliza maphunziro, ndiye mlembi woyamba wa pepalali, ndipo wofufuza mnzake Yan Dongdong ndiye wolemba wofanana. Wofufuza Cao Aocheng, wofufuza Wang Qiuxia ndi ena anapereka malangizo pa ntchito yofufuza. Ntchito yofufuzayi idathandizidwa ndi National Natural Science Foundation ya China ndi National Key Research and Development Program.

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