{"refrec":{"BRefID":78018,"RR":"<b>Samardakiewicz, S.; Woźny, A.</b> (2005). Cell division in <i>Lemna minor</i> roots treated with lead. <i>Aquat. Bot. 83(4)</i>: 289-295. <a href=\"http://dx.doi.org/10.1016/j.aquabot.2005.06.007\" target=\"_blank\">http://dx.doi.org/10.1016/j.aquabot.2005.06.007</a>","BEntID":73556,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":null,"RefStringPartII":". <i>Aquat. Bot. 83(4)</i>: 289-295. <a href=\"https://dx.doi.org/10.1016/j.aquabot.2005.06.007\" target=\"_blank\">https://dx.doi.org/10.1016/j.aquabot.2005.06.007</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":1,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Samardakiewicz, S.; Woźny, A.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Samardakiewicz, S.; Woźny, A.","Englishabstract":"Treatment of <i>Lemna minor</i> L. roots with 15&nbsp;&#x3bc;M Pb<sup>2+</sup> supplied as Pb(NO<sub>3</sub>)<sub>2</sub> in 50-fold diluted Wang medium caused a progressive reduction in mitotic activity in the root tip. The percentage of dividing nuclei after 1, 6, 12 and 12&nbsp;h of lead treatment was 6.25, 4.4, 3.4 and 0.3, respectively as compared to 7.1&#x2013;7.7% in the control. After 6&nbsp;h of lead treatment the number of cells in metaphase and anaphase was reduced by four- and nine-fold, respectively and after 12&nbsp;h these phases were not detected. There were 3- and 10-fold fewer cells in telophase after 6 and 24&nbsp;h, while those in prophase were reduced only in the 24&nbsp;h treatment (a 30-fold reduction). These effects were associated with an increase in the number of cells exhibiting disturbances including lagging chromosomes, chromosome bridges, micronuclei, and nuclei with more condensed chromatin. The formation of micronuclei in root cells of <i>L. minor</i> cells at a very low dose of lead indicates that roots of this aquatic plant may be more sensitive to lead than those of terrestrial plants.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Cell division in <i>Lemna minor</i> roots treated with lead","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":"cell division; lead; root; duckweed; Lemna minor L.","OtherDescriptors":null,"Notes":null,"AnaPub":2005,"MonPub":null,"DateUpdate":"2018-05-17","DateCreate":"2005-11-29","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000233396600004","VABBcode":null,"OpenAcc":0},"refs":null,"anarec":{"AnaID":78018,"PubliDate":2005,"Pagination":"289-295","XtraPublOfAnaID":null,"ISBN":null,"Volume":"83","Issue":"4","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":42195,"SerRR":"Aquatic Botany. 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