Sharma S P, Jit I, Rai N
Gerontology. 1984;30(1):26-9. doi: 10.1159/000212603.
The mean life span of Callosobruchus maculatus male is 7 days and female is 5 days at 30 +/- 1 degrees C. Age-related study on C. maculatus shows that RNA and protein contents gradually decline with age in male bruchids, whereas in females initially these increase up to the second day of post-emergent life and subsequently decrease. DNA increases up to the third day in males and the fourth day in females representing post-emergent growth, and then declines sharply on the sixth day. The RNA and protein contents per unit DNA decrease steadily in males; however, in females both are highest during the first 2 days, which synchronizes the egg-laying peak. These observations have been found to be statistically significant (p less than 0.01) and suggest that aging is accompanied by a decrease in both RNA and protein synthesis potential.
在30±1摄氏度的条件下,黄斑豆象雄性的平均寿命为7天,雌性为5天。对黄斑豆象的年龄相关研究表明,雄性豆象的RNA和蛋白质含量随年龄增长而逐渐下降,而雌性豆象在羽化后的第二天之前这些含量会增加,随后下降。DNA在雄性豆象中直至羽化后第三天增加,在雌性豆象中直至羽化后第四天增加,代表羽化后的生长,然后在第六天急剧下降。雄性豆象中每单位DNA的RNA和蛋白质含量稳步下降;然而,雌性豆象中两者在前两天最高,这与产卵高峰期同步。这些观察结果在统计学上具有显著意义(p小于0.01),表明衰老伴随着RNA和蛋白质合成潜力的下降。