New insights into how cyanobacteria regulate zinc uptake in the high seas ScienceDaily

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Ukuqonda okutsha malunga nendlela icyanobacteria elawula ngayo i-zinc kulwandle oluphezulu ScienceDaily

I-cyanobacteria yaselwandle (i-algae eluhlaza okwesibhakabhaka-luhlaza) inegalelo elikhulu kumjikelo wekhabhoni yehlabathi kwaye iphantsi kweendawo ezininzi zokutya zaselwandle zehlabathi. Zifuna kuphela ukukhanya kwelanga, i-carbon dioxide, kunye neseti yezinto ezisisiseko, kuquka isinyithi, ukugcina ubomi. kuncinci okwaziwayo malunga nokuba i-cyanobacteria iyayisebenzisa okanye iyilawule njani i-zinc, into ebonwa njengebalulekileyo ebomini.
Iqela lophando lwamacandelo ahlukeneyo lamalungu amane avela kwiYunivesithi yaseWarwick ichonge inethiwekhi yokulawula esebenzayo kakhulu elawula ukuqokelela kwe-zinc kulwandle oluphezulu lwe-cyanobacteria Synechococcus.
Le nethiwekhi ivumela i-Synechococcus ukuba iguqule amanqanaba ayo e-zinc yangaphakathi ngaphezu kwemiyalelo emibini yobukhulu kwaye ixhomekeke kwiprotheni yokulawula i-zinc (i-Zur), evakalelwa i-zinc kwaye iphendule ngokufanelekileyo.
Ngokukodwa, le proteni yesivamvo isebenze i-metallothionein yebhaktiriya (iprotheni ebopha i-zinc) ethi, kunye nenkqubo esebenzayo yokuthatha, inoxanduva lobuchule bomzimba obungaqhelekanga bokuqokelela i-zinc.
Unjingalwazi uClaudia Blindauer, osuka kwiSebe leKhemistri kwiYunivesithi yaseWarwick, wathi: “Iziphumo zethu zibonisa ukuba i-zinc yeyona nto ibalulekileyo kwi-cyanobacteria yaselwandle.Ukwazi kwabo ukugcina i-zinc kusenokunceda ekuphuculeni ukukhutshwa kwephosphorus, enqabe kakhulu kwiindawo ezininzi zeelwandlekazi zehlabathi.Imacronutrient.I-Zinc isenokufuneka ukuze kulungiswe ikhabhoni esebenzayo.”
UGqr Alevtina Mikhaylina ovela kwiSikolo saseWarwick seSayensi zoBomi wathi: “Ezi mpawu, azikachazwa kuyo nayiphi na enye ibhaktiriya, zinokuba negalelo ekusasazweni ngokubanzi kwe-ikholoji yeSynechococcus kulwandlekazi lwehlabathi.Siyathemba ukuba iziphumo zethu ziya kuba nomdla obanzi kubaphandi., ukusuka kwiingcali zamachiza (ingakumbi isinyithi kunye neengcali zemichiza yebhayoloji), izazi zebhayoloji zolwakhiwo kunye neemolekyuli ukuya kutsho kwiingcali zebiogeochemists, izazi ngendalo nangeengcali zeelwandlekazi.”
UGqr Rachael Wilkinson ovela kwiSikolo sezoNyango seDyunivesithi yaseSwansea kunye noNjingalwazi uVilmos Fülöp osuka kwiSikolo seSayensi zoBomi kwiYunivesithi yaseWarwick wongeze wathi: “Njengenxalenye yeprojekthi yezifundo ezahlukeneyo, ulwakhiwo lweprotein yaseZur lubonelela ngobuchwephesha bendlela edlala indima ephambili kuyo. ukulawula iilwandlekazi iZinc homeostasis kwicyanobacteria.
UGqr James Coverdale, osuka kwiYunivesithi yaseBirmingham's Institute of Clinical Sciences, wathi: “Ukusebenza kunxibelelwano lwe-microbiology, uhlalutyo, ulwakhiwo kunye ne-biochemistry, iqela lethu lamacandelo ahlukeneyo liye layiphucula kakhulu indlela esiyiqonda ngayo indlela i-inorganic chemistry ebuchaphazela ngayo ubomi baselwandle.””
Unjingalwazi uDave Scanlan ophuma kwiSikolo seSayensi zoBomi eWarwick wongezelela wathi: “Ulwandle ‘ngumphunga’ ongahoywanga kwisijikelezi-langa sethu – wonke umoya esiwuphefumlayo yioksijini eye yavela kwinkqubo yolwandle, ngelixa malunga nesiqingatha Ukulungiswa kwekharbon diokside kwi biomass. yenzeka eMhlabeni kumanzi olwandle.I-cyanobacteria yaselwandle ngabadlali abaphambili "kwimiphunga" yoMhlaba, kwaye lo mbhalo-ngqangi utyhila inkalo entsha yebhayoloji yabo, ukukwazi ukulawula ngokucokisekileyo i-zinc homeostasis, ezo Iinkalo ngokuqinisekileyo zibancede bafezekise obu buchule bubalulekileyo bemisebenzi yeplanethi.
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Ixesha lokuposa: Jun-11-2022