Abacwaningi basebenzisa ukukhanya kwe-synchrotron ukuze bahlehlise ngokoqobo izindonga zamaseli ka-anyanisi ukusiza izitshalo ukumelana kangcono nezingcindezi ezibangelwa ukushintsha kwesimo sezulu nezifo.
“Siyazi ukuthi kube nesomiso esikhulu emathafeni, futhi impilo yabantu isengcupheni,” kusho u-Ariana Forand, owenza iziqu zeMasters eKolishi lezoLimo kanye neBioresources eNyuvesi yaseSaskatchewan (USask). "Kungaba kuhle ukuthola izinguquko ezingavumela izitshalo ukuthi zimelane nezingcindezi eziningi."
I-Forand ihole iphrojekthi eyahlola ukuthi i-calcium ne-boron idlala indima ezuzisayo kanjani ekuqiniseni izindonga zamangqamuzana ezitshalo, kusize ekwehliseni ukuphelelwa amanzi emzimbeni okuza neqhwa kanye nesomiso kanye nokwanda kokungazweli. amagciwane.
Njengoba kwenzeka, isitshalo esiphelele ukuhlola ithiyori kuso kwakungu-anyanisi.
Ithimba lahlaziya amasampula ka-anyanisi futhi laqoqa idatha ku-Advanced Photon Source (APS) e-Illinois, ngenxa yokubambisana kwesikhungo ne-Canadian Light Source (CLS) eNyuvesi yaseSaskatchewan.
“Le phrojekthi yakhela ngempela emsebenzini womfundi wangaphambilini we-USask master, u-Jun Liu, owenza umsebenzi wokucindezeleka obandayo,” kusho uForand, “futhi siyazi ukuthi kuzo zombili isomiso namakhaza, izitshalo zilahlekelwa amanzi ngendlela efanayo.”
U-anyanisi uyizitshalo ezinhle ongazisebenzisa “ngoba ungakwazi ukuxebula kalula ungqimba olulodwa lwamangqamuzana futhi ubone izinguquko odongeni lwamangqamuzana,” okuyisihluthulelo sesakhiwo sesitshalo sokuvikela ekucindezelekeni kwezinhlobo ezihlukahlukene.
Isici esiyingqayizivele salolu cwaningo, imiphumela yayo yaba eshicilelwe kumagazini Izitshalo, kwakuwukuthi kwakubheka ukucindezeleka okuningi ngesikhathi esisodwa - ukuphelelwa amandla kwamanzi ku-anyanisi wase-Welsh no-anyanisi opheka, nokuphikiswa kwe-pathogen e-Arabidopsis, ukhula oluncane oluqhakaza oludabuka e-Afrika.
Ngemva kokwengeza i-calcium exutshwe namanzi ku-anyanisi otshalwe ku-greenhouse, i-Forand yasebenzisa i-synchrotron X-ray microscopy ukuze iqinisekise hhayi nje ukuthi izitshalo zaziyithathile i-calcium kodwa ukuthi yasendaweni odongeni lwamaseli.
Ukuhlola okwengeziwe ngezimo ezomile kubonise ukuncipha kokulahlekelwa kwamanzi ezitshalweni ezilashwayo. Ngokufanayo, i-boron yaziwa ngokubopha ne-pectin ezindongeni zamaseli e-Arabidopsis, iqinise ukumelana kwayo nezifo ezifakiwe.
"Besibheka izindlela zokuqinisa izindonga zamaseli ngokwesakhiwo," kusho uForand. Ukuqinisekisa ukuthi i-calcium ne-boron kunciphisa umthelela wokulahlekelwa umswakama kanye nezifo kuvula umnyango wokubheka umphumela ofanayo kwezinye izitshalo.
UDkt. Karen Tanino, uprofesa wesayensi yezitshalo wase-USask kanye nomphathi wakwaForand, wathi kunoma yimuphi unyaka othile, “ukucindezeleka okuthile kungase kuvame kakhulu kunomunye - awukwazi ngempela ukubikezela ukuthi kuyoba yini. Lolu cwaningo lunikeza ithuba lokuvikela izitshalo ekuhlukeni kwengcindezi unyaka nonyaka.”
Bobabili uForand no-Tanino bakholelwa ukuthi ukwanda ocwaningweni lwabo kuveza amathuba okuqinisa ukumelana nokulahlekelwa umswakama kanye nezifo kuzo zombili izitshalo zasensimini nasembonini yezolimo.
Ukuze uthole ukwaziswa okwengeziwe:
UVictoria Schramm
Umthombo Wokukhanya waseCanada
Ucingo: + 1 306-657-3516
Email: victoria.schramm@lightsource.ca