Developmental genetic analysis of lethal alleles at theewg locus and their effects on muscle development in Drosophila melanogaster

1982 ◽  
Vol 3 (4) ◽  
pp. 347-363 ◽  
Author(s):  
Robert J. Fleming ◽  
Susan B. Zusman ◽  
Kalpana White
Keyword(s):  
Drosophila Melanogaster ◽  
Genetic Analysis ◽  
Muscle Development ◽  
Developmental Genetic

scholarly journals A developmental genetic analysis of the lysine demethylase KDM2 mutations in Drosophila melanogaster

2014 ◽  
Vol 133 ◽  
pp. 36-53 ◽  
Author(s):  
Yani Zheng ◽  
Fu-Ning Hsu ◽  
Wu Xu ◽  
Xiao-Jun Xie ◽  
Xinjie Ren ◽  
...  
Keyword(s):  
Drosophila Melanogaster ◽  
Genetic Analysis ◽  
Developmental Genetic ◽  
Lysine Demethylase

scholarly journals Genetic analysis of muscle development in Drosophila melanogaster

1989 ◽  
Vol 131 (2) ◽  
pp. 439-454 ◽  
Author(s):  
J.L. De la Pompa ◽  
J.R. Garcia ◽  
A. Ferrús
Keyword(s):  
Drosophila Melanogaster ◽  
Genetic Analysis ◽  
Muscle Development

scholarly journals A GENETIC ANALYSIS OF THE KILLER-PRUNE (K-pn) LOCUS OF DROSOPHILA MELANOGASTER

Genetics ◽  
1969 ◽  
Vol 62 (2) ◽  
pp. 353-358
Author(s):  
Eliezer Lifschytz ◽  
Raphael Falk
Keyword(s):  
Drosophila Melanogaster ◽  
Genetic Analysis

scholarly journals Genetics of Differences in Pheromonal Hydrocarbons Between Drosophila melanogaster and D. simulans

Genetics ◽  
1996 ◽  
Vol 143 (1) ◽  
pp. 353-364 ◽  
Author(s):  
Jerry A Coyne
Keyword(s):  
Drosophila Melanogaster ◽  
Sexual Dimorphism ◽  
Genetic Analysis ◽  
Species Difference ◽  
The Other ◽  
Chromosome 3 ◽  
Apparent Effect ◽  
The Third ◽  
Hydrocarbon Profile ◽  
The Right

Abstract Females of Drosophila melanogaster and its sibling species D. simulans have very different cuticular hydrocarbons, with the former bearing predominantly 7,11-heptacosadiene and the latter 7-tricosene. This difference contributes to reproductive isolation between the species. Genetic analysis shows that this difference maps to only the third chromosome, with the other three chromosomes having no apparent effect. The D. simulans alleles on the left arm of chromosome 3 are largely recessive, allowing us to search for the relevant regions using D. melanogaster deficiencies. At least four nonoverlapping regions of this arm have large effects on the hydrocarbon profile, implying that several genes on this arm are responsible for the species difference. Because the right arm of chromosome 3 also affects the hydrocarbon profile, a minimum of five genes appear to be involved. The large effect of the third chromosome on hydrocarbons has also been reported in the hybridization between D. simulans and its closer relative D. sechellia, implying either an evolutionaly convergence or the retention in D. sechllia of an ancestral sexual dimorphism.

Abnormal muscle development in the heldup3 mutant of Drosophila melanogaster is caused by a splicing defect affecting selected troponin I isoforms

1993 ◽  
Vol 13 (3) ◽  
pp. 1433-1439
Author(s):  
J A Barbas ◽  
J Galceran ◽  
L Torroja ◽  
A Prado ◽  
A Ferrús
Keyword(s):  
Drosophila Melanogaster ◽  
Splice Site ◽  
Muscle Development ◽  
Troponin I ◽  
Differential Splicing ◽  
Thin Filaments ◽  
Molecular Changes ◽  
Splicing Defect ◽  
Visible Effect ◽  
Thoracic Muscles

The troponin I (TnI) gene of Drosophila melanogaster encodes a family of 10 isoforms resulting from the differential splicing of 13 exons. Four of these exons (6a1, 6a2, 6b1, and 6b2) are mutually exclusive and very similar in sequence. TnI isoforms show qualitative specificity whereby each muscle expresses a selected repertoire of them. In addition, TnI isoforms show quantitative specificity whereby each muscle expresses characteristic amounts of each isoform. In the mutant heldup3, the development of the thoracic muscles DLM, DVM, and TDT is aborted. The mutation consists of a one-nucleotide displacement of the 3' AG splice site at the intron preceding exon 6b1, resulting in the failure to produce all exon 6b1-containing TnI isoforms. These molecular changes in a constituent of the thin filaments cause the selective failure to develop the DLM, DVM, and TDT muscles while having no visible effect on other muscles wherein exon 6b1 expression is minor.

scholarly journals Functional monopolar spindles caused by mutation in mgr, a cell division gene of Drosophila melanogaster

1988 ◽  
Vol 89 (1) ◽  
pp. 39-47 ◽  
Author(s):  
C. Gonzalez ◽  
J. Casal ◽  
P. Ripoll
Keyword(s):  
Drosophila Melanogaster ◽  
Cell Division ◽  
Genetic Analysis ◽  
Normal Chromosome ◽  
Phenotypic Traits ◽  
Polyploid Cells ◽  
A Cell

Mutation in the gene merry-go-round (mgr) of Drosophila causes a variety of phenotypic traits in somatic and germinal tissues, such as polyploid cells, metaphasic arrest, postmeiotic cysts with 16 nuclei, and spermatids with four times the normal chromosome content. The most characteristic phenotype is the appearance of mitotic and meiotic figures where all chromosomes are arranged in a circle. Treatment with anti-mitotic drugs and the phenotype of double mutants mgr asp (asp being a mutation altering the spindle) show that these circular figures need a functional spindle for their formation. These abnormal figures are caused by monopolar spindles similar to those observed after different treatments in several organisms. All mutant traits indicate that mgr performs a function necessary for the correct behaviour of centrosomes, thus opening this organelle to genetic analysis.

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