ISSN:
1420-9071
Keywords:
Taste
;
phospholipid
;
plasmalogen
;
14C-acetate
;
epithelium
Source:
Springer Online Journal Archives 1860-2000
Topics:
Biology
,
Medicine
Notes:
Summary The catfish,Ictalurus punctatus is an important model system for the study of the biochemical mechanisms of taste reception. A detailed lipid analysis of epithelial tissue from the taste organ (barbel) of the catfish has been performed. Polar lipids account for 62±1% of the total, neutrals for 38±1%. Phosphatidyl-cholines, serines and ethanolamines are the major constitutents of the polar fraction. Plasmalogen concentration is high relative to that of non-neural tissues. [14C]-Acetate is incorporated into cell lipid fractions after incubation of barbel tissue at 37°C for 60 min. Percentage amounts of most lipids change with time during this in vitro incubation. The phospholipids are the most metabolically active fractions. This work yields information for continuing reconstitution experiments and indicates that the taste epithelium of this important model system is a metabolically active tissue capable of supporting lipid turnover/synthesis.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF01990455
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