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  • Cell & Developmental Biology  (1)
  • Immunogold staining  (1)
  • 1
    ISSN: 1432-0878
    Keywords: Key words Histone H1t ; Spermatogenesis ; Immunogold staining ; In situ hybridization ; Western blot analysis ; Mouse (NMRI)
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract  The gene encoding H1t, a testicular variant of histone H1, is expressed in mammals during spermatogenesis. Northern blot and in situ hybridization has detected H1t mRNA only at the stage of pachytene spermatocytes. We have extended this analysis to more sensitive approaches and demonstrate, by RNase protection and electron-microscopic in situ hybridization, that H1t mRNA is detectable even in spermatogonia. Just a faint H1t band is seen in Western blots of nuclear protein from 9-day-old mice. This indicates that the H1t gene is expressed at premeiotic stages, albeit at a low level. In contrast to H1t mRNA, the H1t protein has not been detected in spermatogonia by electron microscopy after immunogold staining.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 0730-2312
    Keywords: haemochromatosis gene ; histone gene cluster ; YACs ; cosmid contig ; sequences ; species comparison ; Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Notes: The HFE (HLA-H) gene is a strong candidate gene for hereditary haemochromatosis and was localized on the short arm of chromosome 6 to 6p21.3-p22. In addition, the sequence of the homologous mouse and rat cDNA and a partial sequence from the mouse gene have been reported recently. In this report, we describe the location of the human and the mouse HFE (HLA-H) gene within the histone gene clusters on the human chromosome 6 and the mouse chromosome 13. Both the human and the murine gene were located on syntenic regions within the histone gene clusters in the vicinity of the histone H1t gene. The genomic sequence of the human HFE (HLA-H) gene and the 3′ portion of the homologous mouse gene were determined. Comparison of the genomic sequences from man and mouse and the cDNA sequence from rat shows significant similarities, also beyond the transcribed region of the mouse gene. J. Cell. Biochem. 69:117-126, 1998. © 1998 Wiley-Liss, Inc.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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