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Dual localization of the human gene encoding hnRNP I/PTB protein to chromosomes 19p13.3 and 14q23

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Abstract

A cDNA probe representative of the human hnRNP I/PTB gene was used to perform fluorescence in situ hybridization (FISH) on metaphases of human chromosomes. A new localization was found on band 19p13.3 in addition to the previously reported localization to band 14q23. Identical results were obtained when FISH analysis was repeated with probes covering different parts of the hnRNP I cDNA clone. This supported the notion that most, if not all, of the sequences of the different parts of this clone are present on both chromosomes. Moreover, Southern blot analysis of DNAs from interspecies somatic hybrids containing chromosomes 19 and 14 revealed that the whole hnRNP I cDNA probe generated very similar patterns in each hybrid DNA. These data suggest that two closely related copies of the hnRNP I gene exist in the human genome.

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Authors and Affiliations

  1. INSERM U-301 and SDI 15954-I du CNRS, Institut de Génétique Moléculaire, 27 rue J. Dodu, F-75010 Paris, France Tel.: +33 1 42 49 92 75; Fax: +33 1 42 06 95 31, , , , , , FR

    Véronique Della Valle, Maryvonne le Coniat, Michel Soulard, Roland Berger & Christian-Jacques Larsen

  2. Laboratoire de Cytogénétique et Génétique Oncologiques, Pavillon de Recherche II, Institut Gustave Roussy, 39 rue Camille Desmoulins, F-94801 Villejuif, France, , , , , , FR

    Van Cong Nguyen

Authors
  1. Véronique Della Valle
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  2. Maryvonne le Coniat
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  3. Michel Soulard
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  4. Van Cong Nguyen
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  5. Roland Berger
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  6. Christian-Jacques Larsen
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Received: 19 January 1996 / Revised: 9 March 1996

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Valle, V., le Coniat, M., Soulard, M. et al. Dual localization of the human gene encoding hnRNP I/PTB protein to chromosomes 19p13.3 and 14q23. Hum Genet 98, 210–213 (1996). https://doi.org/10.1007/s004390050193

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  • DOI: https://doi.org/10.1007/s004390050193

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