Phosphorus wani ma'adinai ne na halitta wanda ke da mahimmanci don haɓaka tsiro da haɓaka, kuma ana sa ran za a rage ma'adinan phosphorus mai daraja a duniya nan da shekaru 50 zuwa 100. Wani sabon binciken da masu bincike a Jami'ar Jihar Michigan da Cibiyar Kimiyya ta Carnegie suka yi na canza fahimtarsu game da gubar ƙarfe a cikin tsire-tsire da ƙananan matakan phosphorus ke haifar da su.
“Da zarar an yi amfani da wadatar duniya, ba za mu iya yin ƙari ba phosphorus,” in ji Hatem Rouached, mataimakiyar farfesa a Kwalejin Aikin Noma da Albarkatun Ƙasa ta MSU kuma memba a Cibiyar Resilience Plant. "Da kyau, muna so mu sami damar amfani da ƙarancin phosphorus a cikin ƙasa don shuka tsire-tsire."
Tsire-tsire suna sha phosphorus daga ƙasa. Lokacin da ƙasa ba ta ƙunshi isasshen phosphorus ba, tsire-tsire za su ɗauki ƙarfe mai yawa daga ƙasa, wanda ya zama mai guba a matakan haɓaka. Binciken da aka yi a baya ya goyi bayan ra'ayin cewa gubar ƙarfe ya sa tushen shuka ya daina girma. Yanzu, a karon farko, masu bincike a MSU da Cibiyar Kimiyya ta Carnegie sun sami shaidar cewa tushen shuka daina girma da wuri, ba tare da wata shaidar ƙarfe ba. Wannan ya canza yadda masu bincike ke kallon wannan matsala.
“Idan gubar ƙarfe ne sanadin, to me yasa tushen ya daina girma a da iron yana taruwa a cikin tushen?” Seung Yon “Sue” Rhee, mai shigowa darektan Cibiyar Resilience ta MSU a Kwalejin Kimiyyar Halitta da Farfesa Foundation Foundation na MSU, a halin yanzu a Cibiyar Kimiyya ta Carnegie. "Mun san tabbas akwai wani abu da ke faruwa."
Yin amfani da ƙirar ƙididdiga don gina hanyoyin sadarwa na tsarin halitta, Rouached, Rhee da ƙungiyarsu sun ware takamaiman kwayar halitta da ake kira Arabidopsis root-specific kinase 1 wanda ke daidaita maƙasudin rapamycin, ko TOR, hadaddun, wanda shine babban mai sarrafa ci gaba a cikin tsire-tsire, fungi da fungi. dabbobi. Lokacin da tsire-tsire ke fama da yunwar phosphorus, kwayar halitta ta rushe hadaddun TOR, wanda ke aika sigina zuwa ga tushen na shuka ya daina girma.
"Wannan shine karo na farko da kowa ya danganta siginar ƙarancin phosphorus zuwa TOR kinase a ciki jijiyoyin bugun jini, in ji Rhee.
Masu binciken sun ba da takardar izini kan wannan tsari kuma suna shirin bincika wasu aikace-aikacen wannan kwayar halitta.
"Mun yi imanin cewa wannan shine canjin wasa a fagen samar da abinci mai gina jiki na ma'adinai," in ji Rouached. "Muna son injiniyan tsire-tsire waɗanda tushensu zai ci gaba da girma duk da ƙarancin phosphorus."
The bincike aka buga a cikin mujallar Biology na yau.