CYTOGENETIC LOCALIZATION OF THE ACID PHOSPHATASE-1 GENE IN DROSOPHILA MELANOGASTER | Zendy

William J. Morrison | Zendy; Ross MacIntyre | Zendy

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CYTOGENETIC LOCALIZATION OF THE ACID PHOSPHATASE-1 GENE IN DROSOPHILA MELANOGASTER

Author(s) -

William J. Morrison,

Ross MacIntyre

Publication year - 1978

Publication title -

genetics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.792

H-Index - 246

eISSN - 1943-2631

pISSN - 0016-6731

DOI - 10.1093/genetics/88.3.487

Subject(s) - biology , euchromatin , locus (genetics) , genetics , chromosomal translocation , heterochromatin , drosophila melanogaster , position effect , gene , variegation (histology) , microbiology and biotechnology , gene mapping , chromosomal inversion , acid phosphatase , chromosome , chromosomal rearrangement , drosophilidae , x chromosome , chromosomal polymorphism , karyotype , biochemistry , enzyme

A translocation in which a segment of chromosome 3 is inserted into the Y chromosome was found to contain the acid phosphatase-1 gene (Acph-1). In flies hyperploid for that gene, acid phosphatase-1 levels are proportional to the dose of the gene. The locus is placed within the salivary chromosome subdivisions 99D and 99E on the basis of its inclusion in the translocated segment and on the previous placement of the claret locus. Several chromosomal rearrangements involving heterochromatic breakpoints and euchromatic breakpoints adjacent to 99D-99E were tested for possible position-effect variegation of acid phosphatase-1. No decrease in the synthesis of the electrophoretic subunit encoded by the relocated gene was observed within any of the rearrangements.

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