Ua noʻonoʻo ka poʻe biologists ma National University of Singapore pehea e pale ai nā mea kanu i ka hoʻokumu ʻana o nā stomata a me nā pores microscopic ma ko lākou ʻili e kaupalena ʻia ka wai i ka wā maloʻo. Pys.org puka puka.
ʻO Stomata, aia ma ka ʻili o nā lau, he mea nui ia no ka hoʻololi kinoea ma waena o nā mea kanu a me ka lewa. Eia nō naʻe, ʻo ia ke kumu nui o ka lilo ʻana o ka wai i ka wā e haʻalele ai i nā lau i mahu wai. I ka nele o ka wai, hana nā mea kanu i ʻelua ʻano hoʻoheheʻe stomatal no ka mālama ʻana i ka wai: pani lākou i nā pores o nā stomata e kū nei a kaupalena i ke kūkulu ʻia ʻana o nā mea hou.
ʻO kēia mau pane, i hoʻopili ʻia e ka abscisic acid (ABA), he mea koʻikoʻi no ka hoʻololi ʻana i nā mea kanu i ka maloʻo a he mea nui loa ia no ka mālama pono ʻana i ka mahiʻai i kahi loli. Eia naʻe, ʻaʻole i aʻo ʻia ma mua pehea e pale ai ka ABA i ka hana stomata.
I ka hoʻokuʻu hou 'O nā hana pāku'i ʻO kahi hui noiʻi i alakaʻi ʻia e LAU Associate Professor On Sun mai ke Keʻena ʻepekema Biological ma ka National University of Singapore i hōʻike i ke ʻano hana i hoʻopaʻa ʻia i kēia kaohi ʻana o ka ulu ʻana o ka stomata.
Ua ʻike ka poʻe ʻepekema ʻo ka ABA nui i hoʻāla ʻia i ka maloʻo ʻana i nā kinases hōʻailona pololei i ka phosphorylate i ka master stomata regulator SPEECHLESS (SPCH). Hōʻike ka Phosphorylation i ka hoʻohui ʻana o kahi pūʻulu phosphate i kahi mole. Loaʻa kēia phosphorylation i hoʻokomo ʻia e ABA o ka protein SPCH i ʻelua mau wahi like ʻole a hoʻohaʻahaʻa i ka SPCH.
Ma muli o ka hoʻolaha ʻana o SPCH i ka hoʻomohala ʻana i ka stomatal, alakaʻi ka phosphorylation SPCH i ka emi ʻana o nā pae SPCH a me ka helu stomata, a ʻo ka hoʻopau ʻana i kēia mau pūnaewele (sāmple S240/271A) i hopena i ka pane kūʻē. ʻO ka mea nui, ua hōʻike pū nā mea noiʻi i nā mea kanu me nā wahi SPCH phosphorylation i hoʻololi ʻia e hōʻike ana i ka hoʻomanawanui ʻokoʻa.
Hōʻike kēia mau hopena i kekahi "code" i lalo i kahi pane nui o nā mea kanu e mālama i ka wai. Ma ka hana ʻana iā ia, hiki iā mākou ke hoʻoponopono maikaʻi i ka hoʻomanawanui maloʻo o nā mea kanu kanu a kōkua i ka hoʻomaikaʻi ʻana iā lākou no nā ʻano ulu like ʻole, mai ka hana kuʻuna a hiki i ka mahiʻai kūlanakauhale.