The effects of Co2+ and Zn2+ on the contents of protein, abscisic acid, proline and chlorophyll in bean (Phaseolus vulgaris cv. Strike) seedlings.

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dc.contributor.authorZengin, Fikriye Kirbagen_US
dc.date.accessioned2006-05-18en_US
dc.date.accessioned2009-06-02T03:33:18Z
dc.date.available2006-05-18en_US
dc.date.available2009-06-02T03:33:18Z
dc.date.issued2006-05-18en_US
dc.description.abstract17-day-old bean plants (Phaseolus vulgaris cv. Strike) were used to analyze the effects of Co2+ and Zn2+ on the time course of proline, total protein, chlorophyll and abscisic acid (ABA) levels in leaves. Controls, Co2+ and Zn2+-treated plants were grown for 8 days in Hoagland solution. Samples were taken at 2 day intervals. Proline, chlorophyll (a+b) and total protein contents of 17 day old primary leaves were determined by a spectrophotometer. ABA contents in roots and leaves of the seedlings were measured by high-pressure liquid chromatography. The presence of Zn2+ and Co2+ significantly increased the ABA contents in roots and leaves (p < 0.05 or p < 0.01). The increase of the abscisic acid content in the leaves was related to the content of the roots. This was further substantiated by enhanced accumulation of proline in the leaves of seedlings exposed to zinc and cobalt. The contents of chlorophyll (a+b) and total protein decreased with the concentration of both metals (p < 0.05 or p < 0.01). Cobalt proved to be comparatively more toxic than zinc.en_US
dc.description.affiliationDepartment of Biology, Faculty of Science, Firat University, Elazig 23119, Turkey. fzengin@firat.edu.tren_US
dc.identifier.citationZengin FK. The effects of Co2+ and Zn2+ on the contents of protein, abscisic acid, proline and chlorophyll in bean (Phaseolus vulgaris cv. Strike) seedlings. Journal of Environmental Biology. 2006 May; 27(2 Suppl): 441-8en_US
dc.identifier.urihttps://imsear.searo.who.int/handle/123456789/113145
dc.language.isoengen_US
dc.source.urihttps://www.geocities.com/j_environ_biol/en_US
dc.subject.meshAbscisic Acid --metabolismen_US
dc.subject.meshChlorophyll --metabolismen_US
dc.subject.meshCobalt --toxicityen_US
dc.subject.meshPhaseolus --metabolismen_US
dc.subject.meshPlant Proteins --metabolismen_US
dc.subject.meshProline --metabolismen_US
dc.subject.meshSoil Pollutants --toxicityen_US
dc.subject.meshZinc --toxicityen_US
dc.titleThe effects of Co2+ and Zn2+ on the contents of protein, abscisic acid, proline and chlorophyll in bean (Phaseolus vulgaris cv. Strike) seedlings.en_US
dc.typeJournal Articleen_US
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