Impact of environmental pollution on cyanobacterial proline content
2006
Khan, M.A. | Fatma, T., Jamia Millia Islamia (Central University), New Delhi 11002 (India).Cyanobacterial Biotechnology and Environmental Biology Lab.
The present study reveals the toxicity of different prominent aquatic pollutants, including heavy metals (Cd and Pb), pesticides (alphametrin and deltamethrin) and salt (NaCl) on the intracellular proline content in Westiellopsis prolifica. Despite a reduction in growth (chlorophyll), the intracellular proline content increased under heavy metal, pesticide and salt stress corresponding to the concentration of metal ion, pesticides and salt. However, the intracellular cyanobacterial proline accumulation is more pronounced under salt stress than in response to pesticides and heavy metals. Besides, it was determined whether the anionic influences affect heavy metal toxicity. It was found that chloride of Cd and Pb were more toxic than NO3- and that the order of toxicity was CdCl2 PbCl2 Cd(NO3)2 Pb(NO3)2. Deltamethrin was found to be more toxic than alphamethrin.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
المعلومات البيبليوغرافية
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