iindaba

Kutshanje, iQela lokuLawula izitshabalalisi zoMhlaba weZiko loKhuseleko lweZityalo, iAkhademi yaseTshayina yeSayensi yezoLimo, epapashwe kwi-intanethi kwijenali eyaziwayo kumazwe ngamazwe "Ijenali yezinto ezinobungozi" enesihloko esithi "I-Transcriptome ityhila umohluko wetyhefu we-dimethyl disulfide ngokunxibelelana kunye nokufutha kwiMeloidogyne. i-incognita ngokusebenzisa i-calcium channel-mediated oxidative phosphorylation” iphepha lophando. Eli phepha lihlalutya iindlela ze-biochemical kunye nemolekyuli zomahluko kwimisebenzi yebhayoloji yomhlaba we-fumigant dimethyl disulfide.(DMDS)ngokuchasene nengcambu-knot nematodes phantsi kweendlela ezimbini ezahlukeneyo zesenzo: ukubulawa koqhagamshelo kunye nokutshisa, kwaye ibonelela ngolwazi lwesayensi kunye nokusebenza ngokufanelekileyo kwemibono emitsha ye-DMDS efunxayo.
Uthintelo kunye nolawulo lwezifo ze-root-knot nematode emhlabeni yingxaki yehlabathi jikelele, kwaye imichiza ye-nematicides idlale indima entle ekuthinteleni nasekulawuleni izifo ze-nematode zezityalo. Iifumigants zomhlaba zisetyenziswa kakhulu ukulawula izitshabalalisi zomhlaba ngenxa yeziphumo ezizinzileyo kunye nokusetyenziswa ngokufanelekileyo. I-DMDS luhlobo olutsha lwesiqhumiso somhlaba, olunobuhlobo nendalo esingqongileyo kwaye lunethemba lokusetyenziswa ngokubanzi. Kuba kukho iiyantlukwano kwindlela iziqhumiso kunye neearhente zoqhagamshelwano zemveli ezisebenza ngayo kwizinto ekujoliswe kuzo, olu phononongo luphonononge iziphumo ezithile ze-DMDS kwi-nematodes ukusuka kwiimbono ezimbini zokubulala ukudibana kunye nokutshisa, kuthatha umahluko kwityhefu ye-DMDS kwi-nematodes njenge-nematodes. indawo yokungena. Inkqubo.
Uphononongo lubonise ngokubanzi ukuba i-agent ingena kwindawo ekujoliswe kuyo ingcambu ye-knot nematode ngeendlela ezahlukeneyo phantsi kweendlela ezimbini zesenzo: ukutshisa kunye nokubulala uqhagamshelwano, yonakalisa isakhiwo seendawo ezahlukeneyo ze-nematode, iphazamisa i-calcium ion channels kwizakhiwo ezahlukeneyo, kwaye ichaphazela. iintlobo ezahlukeneyo ze-phosphorylation oxidative ekuphefumleni. . Kwimowudi yokubulala ukudibana, i-DMDS ingena ngokuthe ngqo kumzimba we-nematode ngodonga lomzimba, itshabalalisa udonga lomzimba kunye ne-muscle physiological structure ye-nematode, isebenza njenge-agent edibeneyo, iphazamisa i-ATP synthase, kwaye ivuselela ukuphefumla kwe-nematode. Kwindlela fumigation, DMDS ingena umzimba nematode ngokusebenzisa olfactory ukuqonda-ioksijini inkqubo exchange, yaye ekugqibeleni isebenze electron yokuphefumla chain zothutho complex IV okanye ezintsonkothileyo I, superimposing ngomonakalo oxidative, ebangela ukufa nematode. Olu phononongo lunceda ukukhokela ukusetyenziswa kwezinto ezitshisayo ngokukhuselekileyo, ngokwenzululwazi nangobuchule, kwaye likwatyebisa ithiyori yeendlela zokutshisa.
Iziko loKhuseleko lweZityalo lweZiko laseTshayina leNzululwazi yezoLimo licandelo eligqibe iphepha. UWang Qing, umfundi ophumelele isidanga, ngumbhali wokuqala wephepha, kunye nomphandi onxulumene noYan Dongdong ngumbhali ohambelanayo. Umphandi uCao Aocheng, umphandi uWang Qiuxia kunye nabanye banike isikhokelo kumsebenzi wophando. Lo msebenzi wophando uxhaswe ngemali yiNational Natural Science Foundation yaseTshayina kunye neNkqubo yoPhando oluPhambili oluPhambili kunye noPhuhliso lweSizwe.

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