Decline in offspring viability as a manifestation of aging in Drosophila melanogaster

被引:0
作者
Kern, S [1 ]
Ackermann, M [1 ]
Stearns, SC [1 ]
Kawecki, TJ [1 ]
机构
[1] Univ Fribourg, Unit Ecol & Evolut, Dept Biol, CH-1700 Fribourg, Switzerland
关键词
aging; maternal age; maternal effects; offspring quality; offspring viability; senescence;
D O I
暂无
中图分类号
Q14 [生态学(生物生态学)];
学科分类号
071012 ; 0713 ;
摘要
The evolutionary explanation of senescence proposes that selection against alleles with deleterious effects manifested only late in life is weak because most individuals die earlier for extrinsic reasons. This argument also applies to alleles whose deleterious effects are nongenetically transmitted from mother to progeny, that is, that affect the performance of progeny produced at late ages rather than of the aging individuals themselves. We studied the effect of maternal age on offspring viability (egg hatching success and larva-to-adult survival) in two sets of Drosophila melanogaster lines (HAM/LAM and YOUNG/OLD), originating from two long-term selection experiments. In each set, some lines (HAM and YOUNG, respectively) have been selected for early reproduction, whereas later reproduction was favored in their counterparts (LAM and OLD). In the HAM and LAM lines, both egg hatching success and larval viability declined with mother's age and did so with accelerating rates. The hatching success declined significantly faster with maternal age in HAM than in LAM lines, according to one of two statistical approaches used. Egg hatching success also declined with maternal age in YOUNG and OLD lines, with no difference between the selection regimes. However, the relationship between mother's age and offspring larva-to-adult viability differed significantly between these two selection regimes: a decline of larval viability with maternal age occurred in YOUNG lines but not in OLD lines. This suggests that the rate with which offspring viability declines with mother's age responded to selection for early versus late reproduction. We suggest broadening the evolutionary concept of senescence to include intrinsically caused declines in offspring quality with maternal age.
引用
收藏
页码:1822 / 1831
页数:10
相关论文
共 50 条
[1]   PHENOTYPIC AND GENETIC-CHARACTERISTICS AFFECTING LIFETIME REPRODUCTIVE SUCCESS IN FEMALE CUVIER, DAMA AND DORCAS GAZELLES (GAZELLA-CUVIERI, G-DAMA AND G-DORCAS) [J].
ALADOS, CL ;
ESCOS, J .
JOURNAL OF ZOOLOGY, 1991, 223 :307-321
[2]  
[Anonymous], 1991, Evolutionary Biology of Aging
[3]   Life-history consequences of egg size in Drosophila melanogaster [J].
Azevedo, RBR ;
French, V ;
Partridge, L .
AMERICAN NATURALIST, 1997, 150 (02) :250-282
[4]   A MATERNAL EFFECT INFLUENCING LARVAL VIABILITY IN DROSOPHILA-MELANOGASTER [J].
BARNES, PT .
JOURNAL OF HEREDITY, 1984, 75 (04) :288-292
[5]   SHOULD EGG SIZE AND CLUTCH SIZE DECREASE WITH AGE [J].
BEGON, M ;
PARKER, GA .
OIKOS, 1986, 47 (03) :293-302
[6]  
Bridges TS, 1996, AM ZOOL, V36, P132
[7]   MATERNAL EFFECT AND EFFECT OF THE HYBRID VIGOR ON THE VIABILITY OF THE FRUITFLY (DROSOPHILA-MELANOGASTER) IN DIFFERENT STAGES OF PREIMAGINAL DEVELOPMENT [J].
CADIEU, N .
CANADIAN JOURNAL OF ZOOLOGY-REVUE CANADIENNE DE ZOOLOGIE, 1983, 61 (05) :1152-1155
[8]   Extended longevity lines of Drosophila melanogaster:: Characterization of oocyte stages and ovariole numbers as a function of age and diet [J].
Carlson, KA ;
Harshman, LG .
JOURNALS OF GERONTOLOGY SERIES A-BIOLOGICAL SCIENCES AND MEDICAL SCIENCES, 1999, 54 (10) :B432-B440
[9]  
Caswell H., 1989, pi
[10]   REPRODUCTIVE EFFORT AND MATERNAL AGE IN ITEROPAROUS INSECTS USING APHIDS AS A MODEL GROUP [J].
DIXON, AFG ;
KUNDU, R ;
KINDLMANN, P .
FUNCTIONAL ECOLOGY, 1993, 7 (03) :267-272