NUCLEAR BACKGROUND AFFECTS FREQUENCY DYNAMICS OF MITOCHONDRIAL DNA VARIANTS IN DROSOPHILA-SIMULANS

被引:23
作者
NIGRO, L
机构
[1] Dipartimento di Biologia, Universita di Padova, Padova, 35121
关键词
MT DNA; NUCLEAR-CYTOPLASMIC INTERACTIONS; TRANSPLASMIC LINES;
D O I
10.1038/hdy.1994.80
中图分类号
Q14 [生态学(生物生态学)];
学科分类号
071012 ; 0713 ;
摘要
Transplasmic lines, in which the original mitochondrial DNA (mtDNA) had been completely replaced by the mtDNA of the donor, were constructed to test for selection on mtDNA variants and to investigate the effects of nuclear-cytoplasmic interactions in Drosophila simulans. These lines were used to set up 12 experimental populations putting in competition two mtDNA variants with two different starting frequencies. Population cages were maintained for 20 generations and periodically sampled to monitor haplotype frequencies. Evidence is provided for a complete reversal of the forces acting on the frequency dynamics of the mtDNA variants according to the lines used to establish the population cages. In the cages where the competing lines had both the original nuclear and mtDNA, the siII type mtDNA variant seemed to be favoured but the situation was reversed when this variant was put in a different nuclear background.
引用
收藏
页码:582 / 586
页数:5
相关论文
共 23 条
[1]   MITOCHONDRIAL-DNA VARIABILITY IN DROSOPHILA-SIMULANS - QUASI ABSENCE OF POLYMORPHISM WITHIN EACH OF THE 3 CYTOPLASMIC RACES [J].
BABAAISSA, F ;
SOLIGNAC, M ;
DENNEBOUY, N ;
DAVID, JR .
HEREDITY, 1988, 61 :419-426
[2]  
BEALE GJ, 1978, EXTRANUCLEAR GENETIC
[3]  
CLARK AG, 1984, GENETICS, V107, P679
[4]  
CLARK AG, 1985, GENETICS, V111, P97
[5]  
CLARK AG, 1988, GENETICS, V118, P471
[6]   RATE OF TURNOVER OF STRUCTURAL VARIANTS IN THE RDNA GENE FAMILY OF DROSOPHILA-MELANOGASTER [J].
COEN, ES ;
THODAY, JM ;
DOVER, G .
NATURE, 1982, 295 (5850) :564-568
[7]   THE GENERATION OF TRANSPLASMIC DROSOPHILA-SIMULANS BY CYTOPLASMIC INJECTION - EFFECTS OF SEGREGATION AND SELECTION ON THE PERPETUATION OF MITOCHONDRIAL-DNA HETEROPLASMY [J].
DESTORDEUR, E ;
SOLIGNAC, M ;
MONNEROT, M ;
MOUNOLOU, JC .
MOLECULAR & GENERAL GENETICS, 1989, 220 (01) :127-132
[8]   NOVEL RECOMBINATIONS IN THE MAIZE MITOCHONDRIAL GENOME PRODUCE A UNIQUE TRANSCRIPTIONAL UNIT IN THE TEXAS MALE-STERILE CYTOPLASM [J].
DEWEY, RE ;
LEVINGS, CS ;
TIMOTHY, DH .
CELL, 1986, 44 (03) :439-449
[9]   MITOCHONDRIAL-DNA EVOLUTION IN EXPERIMENTAL POPULATIONS OF DROSOPHILA-SUBOBSCURA [J].
FOS, M ;
DOMINGUEZ, MA ;
LATORRE, A ;
MOYA, A .
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 1990, 87 (11) :4198-4201
[10]  
GREGORIUS HR, 1984, GENETICS, V107, P165