ʻO ka Phosphorus he mineral maoli e pono ai no ka ulu ʻana a me ka ulu ʻana o nā mea kanu, a manaʻo ʻia e hoʻopau ʻia nā waihona phosphorus o ka honua i loko o 50 a 100 mau makahiki. ʻO kahi mea hou i ʻike ʻia e nā mea noiʻi ma Michigan State University a me ka Carnegie Institution for Science ke hoʻololi nei i ko lākou ʻike ʻana i ka hao i loko o nā mea kanu i hana ʻia e nā pae haʻahaʻa phosphorus.
"Ke pau ka lako o ka honua, ʻaʻole hiki iā mākou ke hana hou aku pākuʻi, "i ʻōlelo ai ʻo Hatem Rouached, he loea kōkua ma ke Kulanui o MSU o ka Mahiai a me nā kumuwaiwai kūlohelohe a he lālā o ka Plant Resilience Institute. "Ma ke kūpono, makemake mākou e hoʻohana i ka phosphorus liʻiliʻi i ka lepo e ulu ai i nā mea kanu."
Hoʻopili nā mea kanu i ka phosphorus mai ka lepo. Ke lawa ʻole ka phosphorus o ka lepo, e lawe hou nā mea kanu i ka hao mai ka lepo, a lilo ia i mea ʻawaʻawa i nā pae kiʻekiʻe. Ua kākoʻo ka noiʻi mua i ka manaʻo ʻo ka hao ʻona ka mea i pau ai ka ulu ʻana o ke aʻa. I kēia manawa, no ka manawa mua, ua ʻike nā mea noiʻi ma MSU a me ka Carnegie Institution for Science i nā hōʻike nā aʻa kanu oki i ka ulu mua ana, me ka hao ole. Hoʻololi kēia i ka nānā ʻana o nā mea noiʻi i kēia pilikia.
“Inā ʻo ka hao ke kumu, no ke aha lā e pau ai ka ulu ʻana o ke aʻa ma mua hao hōʻiliʻili i loko o nā aʻa?" 'Ōleloʻo Seung Yon "Sue" Rhee, ka luna hoʻokele o ka MSU Plant Resilience Institute ma ke Kulanui o Natural Science a me ka MSU Research Foundation Professor, i kēia manawa ma ka Carnegie Institution for Science. "Ua ʻike mākou aia kekahi mea e hana nei."
I ka hoʻohana ʻana i nā hiʻohiʻona helu e kūkulu i nā ʻenehana hoʻoponopono gene, ua hoʻokaʻawale ʻo Rouached, Rhee a me kā lākou hui i kahi gene kikoʻī i kapa ʻia he Arabidopsis root-specific kinase 1 e hoʻoponopono i ka pahuhopu o rapamycin, a i ʻole TOR, paʻakikī, ʻo ia ke kumu hoʻoponopono hoʻomohala i nā mea kanu, fungi a holoholona. Ke pōloli ka mea kanu i ka phosphorus, hoʻohaʻahaʻa ka gene i ka paʻakikī TOR, e hoʻouna i kahi hōʻailona i ka aa o ka meakanu e hooki i ka ulu ana.
"ʻO kēia ka manawa mua i hoʻopili ai kekahi i kahi hōʻailona phosphorus deficiency i kahi TOR kinase in mea kanu vascular,” wahi a Rhee.
Ua waiho nā mea noiʻi i kahi patent ma kēia kaʻina hana a hoʻolālā e ʻimi i nā noi ʻē aʻe o kēia ʻano.
"Ke manaʻoʻiʻo nei mākou he mea hoʻololi pāʻani kēia ma ke kahua o ka meaʻai mineral mea kanu," wahi a Rouached. "Makemake mākou e ʻenekinia i nā mea kanu e hoʻomau nā aʻa e ulu me ka palena o ka phosphorus."
ka noiʻi i paʻi ʻia ma ka puke pai Ke lāʻo Biology.