Genetic analysis of the second chromosome centromeric heterochromatin of Drosophila melanogaster. 2003

Alistair B Coulthard, and Daniel F Eberl, and Cecil B Sharp, and Arthur J Hilliker
Department of Biology, 247 Farquharson York University, 4700 Keele St., Toronto, ON M3J IP3, Canada.

Here we bring together our published and unpublished work with recent published findings of other laboratories to provide a revised map of the centromeric heterochromatin of chromosome 2 and descriptions of the 21 genetic elements therein. These elements consist of 16 vital loci, one male and one female sterile loci, one Minute locus, and two components of the Segregation Distorter system. Based on our latest analysis of the lethal mutant phenotypes of the vital genes, we have provided names for several genes that were previously known by their lethal number assignments.

UI MeSH Term Description Entries
D002503 Centromere The clear constricted portion of the chromosome at which the chromatids are joined and by which the chromosome is attached to the spindle during cell division. Centromeres
D002874 Chromosome Mapping Any method used for determining the location of and relative distances between genes on a chromosome. Gene Mapping,Linkage Mapping,Genome Mapping,Chromosome Mappings,Gene Mappings,Genome Mappings,Linkage Mappings,Mapping, Chromosome,Mapping, Gene,Mapping, Genome,Mapping, Linkage,Mappings, Chromosome,Mappings, Gene,Mappings, Genome,Mappings, Linkage
D004331 Drosophila melanogaster A species of fruit fly frequently used in genetics because of the large size of its chromosomes. D. melanogaster,Drosophila melanogasters,melanogaster, Drosophila
D006570 Heterochromatin The portion of chromosome material that remains condensed and is transcriptionally inactive during INTERPHASE. Heterochromatins
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D020690 GTPase-Activating Proteins Proteins that activate the GTPase of specific GTP-BINDING PROTEINS. GAP Proteins,GAP Protein,GTPase-Activating Protein,GTPase Activating Protein,GTPase Activating Proteins
D029721 Drosophila Proteins Proteins that originate from insect species belonging to the genus DROSOPHILA. The proteins from the most intensely studied species of Drosophila, DROSOPHILA MELANOGASTER, are the subject of much interest in the area of MORPHOGENESIS and development. Drosophila melanogaster Proteins,Proteins, Drosophila,Proteins, Drosophila melanogaster,melanogaster Proteins, Drosophila

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