Summary
A colony of Wistar rats with a hereditary defect in L-ascorbic acid-synthesizing ability was established. This rat, like primates and guinea pigs, lacks L-gulonolactone oxidase (EC 1.1.3.8) which catalyzes the last step of L-ascorbic acid biosynthesis. When L-ascorbic acid was added to their drinking water, the rats grew almost normally and were fertile. These mutant rats should be useful not only for nutritional and parmacological studies on vitamin C but also for genetic studies on the lack of this enzyme.
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Acknowledgments. We are indebted to K. Katagiri, the previous director of Aburahi Laboratories, for his encouragement during the experiment. We are also grateful to H. Nishimura, Professor Emeritus of Kyoto University, and Y. Hasegawa of our laboratory for their helpful suggestions.
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Mizushima, Y., Harauchi, T., Yoshizaki, T. et al. A rat mutant unable to synthesize vitamin C. Experientia 40, 359–361 (1984). https://doi.org/10.1007/BF01952551
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DOI: https://doi.org/10.1007/BF01952551