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101.
102.
P. Szabo C. Panneerselvam M. Clinton M. Frangou-Lazaridis D. Weksler E. Whittington M. J. Macera K.-H. Grzeschik A. Selvakumar B. L. Horecker 《Human genetics》1993,90(6):629-634
A genomic clone encoding prothymosin (gene symbol: PTMA), a nuclear-targeted protein associated with cell proliferation, was isolated and the 5-regulatory region subcloned and sequenced. Because of previously reported discrepancies between several cDNA clones and a genomic clone for prothymosin , we determined the sequence of the first exon and of a 1.7-kb region 5 to the first exon. The sequence of the genomic clone reported here corresponds to the published cDNA sequences, suggesting that the previously noted discrepancies may be due to genetic polymorphism in this region. In addition, our sequence data extend the known 5-upstream sequence by an additional 1.5 kb allowing the identification of numerous, potential cis-acting regulatory sites. This 5-flanking cloned probe permitted us to localize the protothymosin gene to chromosome 2 in humans. 相似文献
103.
104.
Klaus Schwarz Horst Hameister Manfred Gessler Karl-Heinz Grzeschik Thomas E. Hansen-Hagge Claus R. Bartram 《Human genetics》1994,93(2):215-217
The human recombination activating gene 1 (RAG1) has previously been mapped to chromosomes 14q and 11p. Here we confirm the chromosome 11 assignment by two independent approaches: autoradiographic and fluorescence in situ hybridization to metaphase spreads and analysis of human-hamster somatic cell hybrid DNA by the polymerase chain reaction (PCR) and Southern blotting. Our results unequivocally localize RAG1 to 11p13. 相似文献
105.
Six genes of the human connexin gene family coding for gap junctional proteins are assigned to four different human chromosomes 总被引:7,自引:0,他引:7
K Willecke S Jungbluth E Dahl H Hennemann R Heynkes K H Grzeschik 《European journal of cell biology》1990,53(2):275-280
Connexin genes code for proteins that form cell-to-cell channels known as gap junctions. The genes for the known connexins 26, 32, 43, and 46 have been assigned to human chromosomes, 13, X, 6, and 13, respectively, by analysis of a panel of human-mouse somatic cell hybrids using rat cDNA probes. A pseudogene of connexin 43 that lacks an intron of the cx43 gene has been located on human chromosome 5. Furthermore, the genes of the two new connexins 37 and 40 have both been assigned to human chromosome 1. Thus the human chromosomes 1 and 13 each carry at least two different connexin genes. Their exact location on these chromosomes is not yet known. From our results subchromosomal assignments can be deduced for the human cx32 gene to Xq13-p11, the human cx37 gene as well as the human cx40 gene to 1pter-q12, and the human cx43 gene to 6q14-qter. The generation of the connexin multigene family from a hypothetical ancestral connexin gene is discussed. 相似文献
106.
Chromosome assignment of genes encoding the alpha and beta subunits of glycoprotein hormones in man and mouse 总被引:1,自引:0,他引:1
S L Naylor W W Chin H M Goodman P A Lalley K H Grzeschik A Y Sakaguchi 《Somatic cell genetics》1983,9(6):757-770
The chromosomal locations of the genes for the common alpha subunit of the glycoprotein hormones and the beta subunit of chorionic gonadotropin in humans and mice have been determined by restriction enzyme analysis of DNA isolated from somatic cell hybrids. The CG alpha gene (CGA), detected as a 15-kb BamHI fragment in human DNA by hybridization to CG alpha cDNA, segregated with the chromosome 6 enzyme markers ME1 (malic enzyme, soluble) and SOD2 (superoxide dismutase, mitchondrial) and an intact chromosome 6 in human-rodent hybrids. Cell hybrids containing portions of chromosome 6 allowed the localization of CGA to the q12 leads to q21 region. The greater than 30- and 6.5-kb BamHI CGB fragments hybridizing to human CG beta cDNA segregated concordantly with the human chromosome 19 marker enzymes PEPD (peptidase D) and GPI (glucose phosphate isomerase) and a normal chromosome 19 in karyotyped hybrids. A KpnI-HindIII digest of cell hybrid DNAs indicated that the multiple copies of the CG beta gene are all located on human chromosome 19. In the mouse, the alpha subunit gene, detected by a mouse thyrotropin (TSH) alpha subunit probe, and the CG beta-like sequences (CG beta-LH beta), detected by the human CG beta cDNA probe, are on chromosomes 4 and 7, respectively. 相似文献
107.
Regional localization of two human cellular Kirsten ras genes on chromosomes 6 and 12. 总被引:2,自引:1,他引:1
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A Y Sakaguchi B U Zabel K H Grzeschik M L Law R W Ellis E M Scolnick S L Naylor 《Molecular and cellular biology》1984,4(5):989-993
Human cellular Kirsten ras1 and ras2 genes were localized to chromosomes 6p23 ----q12 and 12p12 .05----pter, respectively, using human-rodent cell hybrids. Thus, the short arms of human chromosomes 11 (encoding lactate dehydrogenase-A and the proto-oncogene c-Ha- ras1 ) and 12 (encoding lactate dehydrogenase B and c-Ki- ras2 ) share at least two pairs of genes that probably evolved from common ancestral genes. 相似文献
108.
Summary In lymphocytes of a human female carrier of a balanced X;3 translocation, 46,X,t(X;3)(q28;q21), late replication of the structurally normal X chromosome only was previously described (de la Chapelle and Schröder 1973). We have now confirmed this finding using a fresh blood sample. Examining the chromosomes of this individual in fibroblasts we observed that either the normal X or the Xq+ chromosome could replicate late and show inactivity after fusion with heteroploid mouse cells. The replication patterns of chromosomes in human X;autosome translocations have so far almost exclusively been analyzed in lymphocytes. Our findings stress that results based on these cells are not representative for all cell types. 相似文献
109.
Utilization of somatic cell hybrids for genetic studies in man 总被引:2,自引:0,他引:2
K H Grzeschik 《Humangenetik》1973,19(1):1-40
110.
Glazkova D. V. Nadezhdin E. V. Vinogradova T. V. Lebedev Yu. B. Bornholdt D. Grzeschik K.-X. Arman I. P. Sverdlov E. D. 《Russian Journal of Genetics》2003,39(5):578-583
Six clones containing long terminal repeat (LTR) sequences of human endogenous retrovirus of the HERV-K family were found in the YAC library (1200 kb) of the short arm of human chromosome 7. The sequence sizes of the three clones corresponded to the full-size LTR (969 bp). The LTR localization was determined using FISH and verified by comparison with the GenBank database. All three DNA fragments containing solitary LTRs were transcribed in normal germline cells (testicular parenchyma tissue). The differences in the expression of these clones in the germline tumor cells (seminoma) were observed. 相似文献