{"refrec":{"BRefID":58372,"RR":"<b>Dhir, B.; Sharmila, P.; Saradhi, P.P.</b> (2004). Hydrophytes lack potential to exhibit cadmium stress induced enhancement in lipid peroxidation and accumulation of proline. <i>Aquat. Toxicol. 66(2)</i>: 141-147","BEntID":55972,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":null,"RefStringPartII":". <i>Aquat. Toxicol. 66(2)</i>: 141-147","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Dhir, B.; Sharmila, P.; Saradhi, P.P.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Dhir, B.; Sharmila, P.; Saradhi, P.P.","Englishabstract":"Investigations were carried out to evaluate if hydrophytes (viz. <i>Ceratophyllum, Wolffia</i>, and <i>Hydrilla</i>) can be used as markers to assess the level of heavy metal pollution in aquatic bodies. The potential of these hydrophytes for lipid peroxidation and accumulation of proline in response to cadmium (Cd<sup>2+</sup>) pollution was studied. Hydrophytes were raised in artificial pond water (APW) supplemented with various levels of Cd<sup>2+</sup>. Interestingly, unlike mesophytes none of the hydrophytes showed ability to accumulate proline. Infact, in response to Cd<sup>2+</sup> pollution hydrophytes exhibited a decline in proline levels in comparison to controls but mesophytes (viz. <i>Brassica juncea, Vigna radiata</i> and <i>Triticum aestivum</i>) showed progressive increase in the level of proline with increase in the extent of Cd<sup>2+</sup> pollution. Mesophytes showed six to nine-fold increase in the level of proline in response to 1 mM Cd<sup>2+</sup>. The potential of the above hydrophytes for lipid peroxidation was also low under Cd<sup>2+</sup> stress. In contrast, as expected a significant enhancement in the lipid peroxidation was observed in all three mesophytes in response to their exposure to Cd<sup>2+</sup>. About two-fold increase in production of malondialdehyde (a cytotoxic product of lipid peroxidation) was recorded in mesophytes exposed to 1 mM Cd<sup>2+</sup>. However, a decline in chlorophyll (Chl a and Chl b) levels was recorded in response to Cd2+pollution both in hydrophytes as well as mesophytes. In summary, hydrophytes neither have potential to accumulate proline nor have ability to accelerate lipid peroxidation under heavy metal stress. This suggests that the adaptive mechanism(s) existing in hydrophytes to tackle heavy metal stress is distinct from that in mesophytes.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Hydrophytes lack potential to exhibit cadmium stress induced enhancement in lipid peroxidation and accumulation of proline","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2025-07-02 08:33:14.980000","timezone_type":1,"timezone":"+00:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":"Proline; Hydrophytes; Lipid peroxidation; Malondialdehyde","Notes":null,"AnaPub":2004,"MonPub":null,"DateUpdate":"2004-03-12","DateCreate":"2004-03-11","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000220007000003","VABBcode":null,"OpenAcc":1},"refs":null,"anarec":{"AnaID":58372,"PubliDate":2004,"Pagination":"141-147","XtraPublOfAnaID":null,"ISBN":null,"Volume":"66","Issue":"2","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":42203,"SerRR":"Aquatic Toxicology. 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