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Quantification of drosopterins in single eyes of Drosophila melanogaster

✍ Scribed by John D. Gearhart; Ross J. MacIntyre

Publisher
Elsevier Science
Year
1970
Tongue
English
Weight
274 KB
Volume
37
Category
Article
ISSN
0003-2697

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✦ Synopsis

Several methods have been utilized to compare drosopterin content of various species and strains of Drosophila. Drosopterins are complex red pteridines concentrated mainly in the eyes of adult flies of Drosophila and closely related genera. The methods include: (1) chemical extraction and spectrophotometric determinations (1, 2) ; (2) chromatography and visual estimates including comparisons with color charts (3, 4) ; (3) chromatography and fluorometric determination

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## Abstract A study has been made of the growth of the eye anlage, and of the increase in number of the elements of the dioptric system of larvae of Drosophila melanogaster. In newly hatched larvae the eye rudiment grows fast, but slows down later and becomes nearly stationary during the second ha