Effects of herbicide 2,4-dinitrophenol on mitosis,DNA, RNA and protein synthesis inNigella sativa L. |
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| Authors: | S Chand S C Roy |
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| Institution: | (1) Centre of Advanced Study (Cell and Chromosome Research), Department of Botany, University of Calcutta, 35, Ballygunge Circular Road, 700 019 Calcutta, India |
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| Abstract: | Effect of 2,4-dinitrophenol (DNP) was studied onNigella sativa to note the changes in mitosis, DNA, RNA and protein synthesis. The chemical affected division frequency considerably and
chromosomal abnormalities like sticky bridge, fragmentation, micronucleietc. were recorded. By using precursors of nucleic acid and protein synthesis, it was found that DNP also inhibited DNA, RNA
and protein synthesis. The decrease in division frequency can be correlated with the DNA synthesis. |
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