Distribution of DNA, proteins, and lipids in cells of the olfactory bulb in rats of different ages |
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| Authors: | N. L. Vekshin E. V. Mel’nikova E. N. Ryabokon’ D. A. Shishmakov Yu. V. Shatalin S. V. Karnup |
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| Affiliation: | (1) Laboratory for Redox Proteins (Director: Doctor of Biological Sciences G. B. Postnikova), Institute of Cell Biophysics, Russian Academy of Sciences, Pushchino, Moscow Region;(2) Department of Physiology, University of Maryland, Baltimore, USA |
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| Abstract: | Luminescence and absorption stains specific for DNA (acridine orange, ethidium bromide), proteins (silver nitrate), and lipids (Sudan III) were used to study the distribution of DNA, proteins, and lipids in sections of the olfactory bulb in rats, studies being performed after fixation of brains with paraformaldehyde. DNA was found to be more abundant in the glomerular cell layer than the mitral cell layer. Higher quantities of DNA were present in the granular layer, located beneath the mitral layer. The characteristics of cell layers in the olfactory bulb were studied in rats aged two days and one month. There were differences between the layers of rats of different ages in terms of the content and distribution of DNA, though there were no differences in the total protein or lipid contents. Glomeruli were immature in two-day-old rats. __________ Translated from Morfologiya, Vol. 127, No. 3, pp. 30–33, May–June, 2005. |
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| Keywords: | olfactory bulb acridine orange luminescence DNA |
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