Neutral lipid composition ofCulex quinquefasciatus andCulex tritaeniorhynchus cells at two phases of growth |
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Authors: | T. K. Yang E. McMeans L. E. Anderson H. M. Jenkin |
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Affiliation: | (1) The Hormel Institute, University of Minnesota, 55912 Austin, Minnesota |
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Abstract: | The mosquito cellsCulex quinquefasciatus andCulex tritaeniorhynchus were grown in spinner cultures. The fatty acid profiles of the neutral lipid classes were analyzed, and comparisons were made between the two species at logarithmic and stationary phases of growth and between the species and the medium. The results from the data suggest an increase in the average chain length of the fatty acids in the free fatty acid and sterol ester fractions of theCulex quinquefasciatus cells with aging. From the logarithmic to stationary phase, both Culex cells showed some increase in desaturation of acids in the di- and triglyceride and free fatty acid fractions. TheCulex tritaeniorhynchus cells also showed some increase in desaturation of acids in the monoglyceride fraction. Differences between the twoCulex species at the logarithmic phase of growth were observed in the fatty acid profiles of all the neutral lipid fractions examined and at the stationary phase of growth in the free fatty acid, triglyceride, and sterol ester fractions. |
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