[PDF] Top 20 High-Resolution Mapping of Quantitative Trait Loci Affecting Increased Life Span in Drosophila melanogaster

... late life span across diverse taxa (G uarente and K enyon 2000; F inch and R uvkun 2001; P artridge and G ems 2002; T atar et ...shortens life span, and mutations in evolutionarily conserved ... See full document

... poten- mapping (Zeng 1993, 1994), as implemented by the QTL tial recombination between the third chromosomes from the Cartographer software (Basten et ...used high and low selection lines) males were ... See full document

... is that the mapped bristle loci will have significant addi- tive effects on abdominal and sternopleural bristle number. In addition, genetic features of bristle loci con-[r] ... See full document

... map quantitative trait loci (QTL) responsible for variation in sexually dimorphic traits (abdomi- nal pigmentation and the number of ventral abdominal bristles and sex comb teeth) in a natural ... See full document

... 1996; Drosophila also experience periods of famine in na- Guarente et ...2000). Increased ture, yet the suite of genes affecting their physiological expression of the disaccharide trehalose occurs in ... See full document

... the trait under consideration and yet genetic variance between quantitative complementation test (Long et ...the trait segregates in recombinant progeny, one and Fry 1996; Lyman and Mackay 1998; ... See full document

... ROSOPHILA melanogaster has been a model or- undertake such ...of life-span genes ganism for study of the genetics and evolution of will provide an understanding of the biochemical basis life ... See full document

... regression-interval mapping analyses were performed to identify candidate quantitative trait loci (QTL) affecting components of wing shape in Drosophila melanogaster ... See full document

... Quantitative trait locus (QTL) mapping procedures provide a useful avenue to search for loci that contribute to variation in fitness ...In Drosophila melanogaster fine ... See full document

... QTL affecting variation in locomotor reactivity between Ore-R and ...QTL mapping, since the four QTL detected by recombination mapping fractionated into a minimum of 12 QTL on the basis of ... See full document

... the Drosophila genome database al- larval and pupal ...lowed mapping of the site of PdL insertion and the and rtTA were scored for viability and visible pheno- identification of the mutated ... See full document

... for high-resolution mapping of a QTL that has previously been mapped to a known confidence interval (target ...large mapping population is accessed and phenotyped, and a proportion, P, of the ... See full document

... adult life span was examined for a population of recombinant inbred lines, each of which had been crossed to both inbred parental strains from which the lines were derived, after emergence from both ... See full document

... mean life span (B population), and the erations of selection than the L lines (Table ...mean life span (O ...of life all, six inbred lines were used, each line having been derived ... See full document

... having no roo insert at that particular chromosomal location. titative trait loci affecting age-specific survival. Summary Differences in survival between groups were tested in each statistics are ... See full document

... for Drosophila longevity in a population of recombinant inbred lines was investigated by estimating quantitative genetic parameters and mapping quantitative trait loci (QTL) for ... See full document

... map quantitative trait loci (QTL) for BSE resistance or susceptibil- ...Interval mapping by linear regression was applied and extended to a multiple-QTL analysis approach that used identified ... See full document

... is high, food supplies are low and larval density is high, ...have increased uv, heat and oxidative stress resistance (Lithgow, ...in life span that is equivalent to the time spent in ... See full document

... avoid high can be large, which may lead to low ...low resolution of tion of appropriate markers for analysis is one issue that a prior linkage analysis can be remedied by the follow- needs careful ...up ... See full document

... QTL loci were distributed ran- sence of predicted QTL on the X chromosome and domly across the genome, using two different models to chromosome 2 in RC simulations ...QTL mapping studies ... See full document