{"refrec":{"BRefID":322945,"RR":"<b>Zhou, M.; Ghnaya, T.; Dailly, H.; Cui, G.; Vanpee, B.; Han, R.; Lutts, S.</b> (2019). The cytokinin <i>trans</i>-zeatine riboside increased resistance to heavy metals in the halophyte plant species <i>Kosteletzkya pentacarpos</i> in the absence but not in the presence of NaCl. <i>Chemosphere 233</i>: 954-965. <a href=\"https://dx.doi.org/10.1016/j.chemosphere.2019.06.023\" target=\"_blank\">https://dx.doi.org/10.1016/j.chemosphere.2019.06.023</a>","BEntID":316416,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Chemosphere 233</i>: 954-965. <a href=\"https://dx.doi.org/10.1016/j.chemosphere.2019.06.023\" target=\"_blank\">https://dx.doi.org/10.1016/j.chemosphere.2019.06.023</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Zhou, M.; Ghnaya, T.; Dailly, H.; Cui, G.; Vanpee, B.; Han, R.; Lutts, S.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Zhou, M. <i>et al.</i>","Englishabstract":"Heavy metals such as cadmium and zinc constitute major pollutants in coastal areas and frequently accumulate in salt marshes. The wetland halophyte plant species <em>Kosteletzkya pentacarpos</em> is a promising species for phytostabilization of contaminated areas. In order to assess the role of the antisenescing phytohormone cytokinin in heavy metal resistance in this species, seedlings were exposed for two weeks to Cd (10&nbsp;μM), Zn (100&nbsp;μM) or Cd&nbsp;+&nbsp;Zn (10&nbsp;μM&nbsp;+&nbsp;100&nbsp;μM) in the presence or absence of 50&nbsp;mM NaCl and half of the plants were sprayed every two days with the cytokinin <em>trans</em>-zeatine riboside (10&nbsp;μM). Zinc reduced the endogenous cytokinin concentration. Exogenous cytokinin increased plant growth, stomatal conductance, net photosynthesis and total ascorbate and reduced oxidative stress estimated by malondialdehyde in Zn-treated plants maintained in the absence of NaCl. Heavy metal induced an increase in the senescing hormone ethylene which was reduced by cytokinin treatment. Plants exposed to the mixed treatment (Cd&nbsp;+&nbsp;Zn) exhibited a specific hormonal status in relation to accumulation of abscisic acid and depletion of salicylic acid. Non-protein thiols (glutathione and phytochelatins) accumulated in response to Cd and Cd&nbsp;+&nbsp;Zn. It is concluded that toxic doses of Cd and Zn have different impacts on the plant behavior and that the simultaneous presence of the two elements induces a specific physiological constraint at the plant level. Salinity helps the plant to cope with heavy metal toxicities and the plant hormone cytokinin assumes key function in Zn resistance but its efficiency is lower in the presence of NaCl.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"The cytokinin <i>trans</i>-zeatine riboside increased resistance to heavy metals in the halophyte plant species <i>Kosteletzkya pentacarpos</i> in the absence but not in the presence of NaCl","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2024-12-10 01:33:17.368041","timezone_type":1,"timezone":"+01:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"Kosteletzkya pentacarpos; Cytokinin; Salinity; Zinc; Cadmium","OtherDescriptors":null,"Notes":null,"AnaPub":2019,"MonPub":null,"DateUpdate":"2020-04-22","DateCreate":"2020-04-07","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000477691500105","VABBcode":null,"OpenAcc":0,"DOI":"10.1016/j.chemosphere.2019.06.023"},"refs":null,"anarec":{"AnaID":322945,"PubliDate":2019,"Pagination":"954-965","XtraPublOfAnaID":null,"ISBN":null,"Volume":"233","Issue":null,"BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":42564,"SerRR":"Chemosphere. 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