Human chromosome 3: high-resolution fluorescencein situ hybridization mapping of 40 uniqueNotl linking clones homologous to genes and cDNAs |
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| Authors: | A. I. Protopopov R. Z. Gizatullin N. V. Vorobieva M. V. Protopopova C. Kiss V. I. Kashuba G. Klein L. L. Kisselev A. S. Graphodatsky E. R. Zabarovsky |
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| Affiliation: | (1) Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences, Novosibirsk, Russia;(2) Department of Tumor Biology, Karolinska Institute, S-171 77 Stockholm, Sweden;(3) Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia;(4) Institute of Molecular Biology and Genetics, Ukranian Academy of Sciences, Kiev, Ukraine |
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| Abstract: | Forty newNotl linking clones representing sequence tagged sites (STSs) were mapped by fluorescencein situ hybridization (FISH) to different regions of human chromosome 3 (HSA3). Clone NL1-245, containing human aminoacylase 1, was localized to 3p21.2–p21.1. Our previous localization of the CLC-2 chloride channel protein gene was refined to 3q27. Clone NL2-316 most likely contains a translocon-associated protein  -subunit gene and was mapped to 3q23–q24. To our knowledge, this is the first time this gene has been mapped. OneNoti linking clone (NL1-229) probably contains a new protein phosphatase gene. This clone was mapped to 3p25. FiveNoti linking clones probably contain human expressed sequence tags (ESTs), as they possess sequences with a high level of identity (>90%) to cDNA clones. Other clones show 56–85% homology to known mammalian and human genes with various functions, including oncogenes and tumour-suppressor genes. These clones might represent new genes.accepted for publication by M. Schmid |
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| Keywords: | fluorescencein situ hybridization human chromosome 3 localization of genes Notl linking clones |
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