黑腹果蝇中DNA交联不会随年龄增长而增加。
Lack of increase in DNA crosslinking in Drosophila melanogaster with age.
作者信息
Massie H R, Baird M B, Williams T R
出版信息
Gerontologia. 1975;21(2):73-80. doi: 10.1159/000212034.
PMID:808441
Abstract
Adult Drosophila melanogaster fruit flies ranging in age from 2 to 7.5 weeks with a median colony survival time of 6.4 weeks at 25 degrees C showed no increase in DNA crosslinking with age. The purified denatured DNA used for crosslink determinations varied in molecular weight from 2.02 to 3.84 times 10(5) daltons and was crosslinked to the extent of 6.2-8.8% with no age-related trend.
摘要
成年黑腹果蝇的年龄在2至7.5周之间，在25摄氏度下群体中位生存时间为6.4周，其DNA交联程度并未随年龄增长而增加。用于交联测定的纯化变性DNA分子量在2.02至3.84×10⁵道尔顿之间，交联程度为6.2 - 8.8%，且无年龄相关趋势。
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