Abstract
Hadorn and Mitchell1 demonstrated by simple chromatographic techniques the presence of two yellow, yellow-fluorescent compounds in Drosophila melanogaster. Both these compounds are accumulated in the sepia mutant, and one of them (F 1 5), which is by far the major component, has been isolated in crystalline form2. A structure has been postulated for it3, although this has had to be modified recently in the light of some new experiments on the compound to be described in this communication. The second component (F 1 7) is present in extremely small amounts even in the sepia mutant, and at such low levels it is very sensitive to light. However, we have succeeded in isolating a small amount of this material in crystalline form and have been able to demonstrate that it is indistinguishable from a yellow compound (compound A) which is found in comparatively large quantities in the blue-green alga, Anacystis nidulans 4,5.
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References
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Cf. Patterson, E. L., Milstrey, R., and Stokstad, E. L. R., J. Amer. Chem. Soc., 80, 2018 (1958).
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FORREST, H., HATFIELD, D. & VAN BAALEN, C. Characterization of a Second Yellow Compound from Drosophila melanogaster . Nature 183, 1269–1270 (1959). https://doi.org/10.1038/1831269a0
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DOI: https://doi.org/10.1038/1831269a0
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