izindaba

Muva nje, i-Soil Pest Control Innovation Team ye-Institute of Plant Protection, i-Chinese Academy of Agricultural Sciences, eshicilelwe ku-inthanethi kujenali eyaziwa emhlabeni wonke "I-Journal of Hazardous Materials" enesihloko esithi "I-Transcriptome iveza umehluko wobuthi be-dimethyl disulfide ngokuthintana nokufutha ku-Meloidogyne. i-incognita ngokusebenzisa isiteshi se-calcium -mediated oxidative phosphorylation” iphepha locwaningo. Leli phepha lihlaziya izindlela ze-biochemical kanye nama-molecular zomehluko wezinto eziphilayo ze-fumigant dimethyl disulfide yenhlabathi.(DMDS)ngokumelene ne-root-knot nematodes ngaphansi kwezinqubo ezimbili ezihlukene zokwenza: ukubulala othintana naye kanye nokufunxa, futhi inikeza ulwazi lokusebenzisa kwesayensi nokusebenza kahle kwemibono emisha ye-DMDS efuthayo.
Ukuvinjelwa nokulawulwa kwezifo ze-root-knot nematode enhlabathini kuyinkinga yomhlaba wonke, futhi amakhemikhali e-nematicide adlale indima enhle ekuvimbeleni nasekulawuleni izifo zezitshalo ze-nematode. Imfucuza yomhlabathi isetshenziswa kabanzi ukulawula izinambuzane zomhlabathi ngenxa yemiphumela yazo ezinzile kanye nokusetshenziswa kahle. I-DMDS iwuhlobo olusha lwesifuthefuthe senhlabathi, esivumelana nemvelo futhi esinethuba elibanzi lokufaka isicelo. Njengoba kunomehluko othile endleleni izibulala-magciwane kanye nama-ejenti athintana nawo endabuko enza ngayo izinto eziphilayo eziqondiwe, lolu cwaningo luhlole imiphumela ethize ye-DMDS kumanematode emibonweni emibili yokubulalana nokufuthwa, kuthathe umehluko ebuthini be-DMDS kuya kumanematode njenge-nematodes. indawo yokungena. Indlela.
Ucwaningo lwembule ngokuphelele ukuthi i-ejenti ingena ku-nematode yezimpande zefindo eziphilayo eziqondiwe ngezindlela ezihlukene ngaphansi kwezindlela ezimbili zokwenza: ukufuthelana nokubulala ukuthintana, ilimaza ukwakheka kwezingxenye ezihlukene ze-nematode, iphazamisa imigudu ye-calcium ion ezakhiweni ezahlukene, futhi iyathinta. izinhlobo ezahlukene ze-phosphorylation oxidative ekuphefumuleni. . Kumodi yokubulala othintana naye, i-DMDS ingena ngokuqondile emzimbeni we-nematode ngodonga lomzimba, ibhubhise udonga lomzimba kanye nesakhiwo somzimba semisipha ye-nematode, isebenza njenge-ejenti engahlanganisi, iphazamise i-ATP synthase, futhi ikhuthaze ukuphefumula kwe-nematode. Endleleni yokufuthwa, i-DMDS ingena emzimbeni we-nematode ngenqubo yokushintshanisa i-olfactory perception-oxygen, futhi ekugcineni isebenze ochungechungeni lwezokuthutha lwe-electron eyinkimbinkimbi IV noma i-complex I, idlulele ngomonakalo we-oxidative, okubangela ukufa kwe-nematode. Lolu cwaningo lusiza ukuqondisa ukusetshenziswa kwezinto ezifutha ngokuphepha, ngokwesayensi nangempumelelo, futhi lunothisa nethiyori yezinqubo ze-fumigant action.
I-Institute of Plant Protection of the Chinese Academy of Agricultural Sciences wuphiko oluqedele iphepha. U-Wang Qing, umfundi oneziqu, ungumbhali wokuqala wephepha, futhi umcwaningi ohlanganyela naye u-Yan Dongdong ungumbhali ohambisana naye. Umcwaningi u-Cao Aocheng, umcwaningi u-Wang Qiuxia nabanye banikeze isiqondiso ngomsebenzi wocwaningo. Lo msebenzi wocwaningo uxhaswe yiNational Natural Science Foundation yaseChina kanye noHlelo Lukazwelonke Olubalulekile Locwaningo Nokuthuthukiswa.

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