Selection of DNA sequences from interval 6 of the human Y chromosome with homology to a Y chromosomal fertility gene sequence of Drosophila hydei

P. Vogt, R. Keil, M. Köhler, C. Lengauer, D. Lewe, G. Lewe

Research output: Contribution to journalArticle

Abstract

An experimental approach towards the molecular analysis of the male fertility function, located in interval 6 of the human Y chromosome, is presented. This approach is not based on the knowledge of any gene product but on the assumption that the functional DNA structure of male fertility genes, evolutionary conserved with their position on the Y chromosome, may contain an evolutionary conserved frame structure or at least conserved sequence elements. We tested this hypothesis by using dhMiF1, a fertility gene sequence of the Y chromosome of Drosophila hydei, as a screening probe on a pool of cloned human Y-DNA sequences. We were able to select 10 human Y-DNA sequences of which 7 could be mapped to Y interval 6 (the pY6H sequence family). Since the only fertility gene of the human Y chromosome is mapped to the same Y interval, our working hypothesis seems to be strongly supported. Most interesting in this respect is the isolation of the Y-specific repetitive pY6H65 sequence. The pY6H65 locus extends to a length of at least 300 kb in Y interval 6 and has a locus-specific repetitive sequence organization, reminiscent of the functional DNA structure of Y chromosomal fertility genes of Drosophila. We identified the simple sequence family (CA)n as one sequence element conserved between the Drosophila dhMiFi fertility gene sequence and the homologous human Y-DNA sequences.

Original languageEnglish (US)
Pages (from-to)341-349
Number of pages9
JournalHuman Genetics
Volume86
Issue number4
DOIs
StatePublished - 1991
Externally publishedYes

Fingerprint

Chromosomes, Human, Y
Drosophila
Fertility
Genes
Conserved Sequence
Nucleic Acid Repetitive Sequences
Y-Linked Genes
Y Chromosome
DNA
Sequence Homology

ASJC Scopus subject areas

  • Genetics
  • Genetics(clinical)

Cite this

Selection of DNA sequences from interval 6 of the human Y chromosome with homology to a Y chromosomal fertility gene sequence of Drosophila hydei. / Vogt, P.; Keil, R.; Köhler, M.; Lengauer, C.; Lewe, D.; Lewe, G.

In: Human Genetics, Vol. 86, No. 4, 1991, p. 341-349.

Research output: Contribution to journalArticle

Vogt, P. ; Keil, R. ; Köhler, M. ; Lengauer, C. ; Lewe, D. ; Lewe, G. / Selection of DNA sequences from interval 6 of the human Y chromosome with homology to a Y chromosomal fertility gene sequence of Drosophila hydei. In: Human Genetics. 1991 ; Vol. 86, No. 4. pp. 341-349.
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