The effects of boron toxicity on root antioxidant systems of two chickpea (Cicer arietinum L.) cultivars

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dc.contributor.authorArdic, Murat
dc.contributor.authorSekmen, Askim Hediye
dc.contributor.authorTurkan, Ismail
dc.contributor.authorTokur, Sueleyman
dc.contributor.authorOzdemir, Filiz
dc.date.accessioned2019-10-27T20:21:38Z
dc.date.available2019-10-27T20:21:38Z
dc.date.issued2009
dc.departmentEge Üniversitesien_US
dc.description.abstractSignificant differences in the antioxidant systems of the roots of two chickpea (Cicer arietinum L.) cultivars differing in tolerance to drought were observed in under toxic boron (B) conditions. Three-week-old chickpea seedlings were subjected to 0.05 mM (control), 1.6 mM or 6.4 mM B in the form of boric acid (H3BO3) for 7 days. At the end of the treatment period, root length, dry weight, boron concentration, malondialdehyde (MDA) content, and the activities of antioxidant enzymes-superoxide dismutase (SOD), peroxidase (POX), catalase (CAT), ascorbate peroxidase (APOX) and glutathione reductase (GR)-were measured. Root length of the drought-tolerant Gokce cultivar did not change under 1.6 mM B but increased under 6.4 mM B. On the contrary, root length decreased in the drought-sensitive Kusmen cultivar under both B concentrations. While root dry weight was unaffected in Gokce, it decreased in Kusmen under both B concentrations. Boron concentration was significantly higher in Kusmen than in Gokce at both B levels. Significant increases in SOD and POX activities were observed in roots of both cultivars under 1.6 and 6.4 mM B. Root extracts exhibited three SOD and three POX activity bands in both cultivars under B stress when compared to control groups. Although CAT activity in Gokce was increased, it decreased in Kusmen at the highest B concentration as compared to control groups. Roots of both cultivars showed no significant change in APOX activity under B toxicity (except in 1.6 mM B treated roots of Kusmen) when compared to control groups. GR activity in the roots of Kusmen decreased significantly with increasing B concentration. However, a significant increase in GR activity was found in Gokce under 1.6 mM B stress. In addition, lipid peroxidation levels of drought-sensitive Kusmen increased, indicating more damage to membrane lipids due to B toxicity. Lipid peroxidation did not change in the drought-tolerant Gokce cultivar at either B concentration. These results suggest that roots of Gokce are better protected from B-stress-induced oxidative stress due to enhanced SOD, CAT and POX activities under high B levels.en_US
dc.description.sponsorshipNatural Science Research Centre of Osmangazi UniversityEskisehir Osmangazi Universityen_US
dc.description.sponsorshipWe would like to thank the Natural Science Research Centre of Osmangazi University for supporting this work.en_US
dc.identifier.doi10.1007/s11104-008-9709-y
dc.identifier.endpage108en_US
dc.identifier.issn0032-079X
dc.identifier.issn1573-5036
dc.identifier.issn0032-079Xen_US
dc.identifier.issn1573-5036en_US
dc.identifier.issue01.Feben_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage99en_US
dc.identifier.urihttps://doi.org/10.1007/s11104-008-9709-y
dc.identifier.urihttps://hdl.handle.net/11454/41789
dc.identifier.volume314en_US
dc.identifier.wosWOS:000261579500009en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherSpringeren_US
dc.relation.ispartofPlant and Soilen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectAntioxidant enzymesen_US
dc.subjectBoron toxicityen_US
dc.subjectChickpea (Cicer arietinum L.)en_US
dc.subjectLipid peroxidationen_US
dc.subjectRooten_US
dc.titleThe effects of boron toxicity on root antioxidant systems of two chickpea (Cicer arietinum L.) cultivarsen_US
dc.typeArticleen_US

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