Cytogenetics and cell genetics最新文献

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Genomic organization and assignment of VAMP2 to 17p12 by FISH. VAMP2到17p12的基因组组织和FISH定位。
Cytogenetics and cell genetics Pub Date : 2000-01-01 DOI: 10.1159/000015612
G K Zoraqi, S Paradisi, V Falbo, D Taruscio
{"title":"Genomic organization and assignment of VAMP2 to 17p12 by FISH.","authors":"G K Zoraqi,&nbsp;S Paradisi,&nbsp;V Falbo,&nbsp;D Taruscio","doi":"10.1159/000015612","DOIUrl":"https://doi.org/10.1159/000015612","url":null,"abstract":"<p><p>We describe the complete sequence, genomic organization, and FISH chromosome mapping of the human VAMP2. We identified a 7-kb clone, pISSHG2b3A, containing the entire structure of VAMP2. Previous studies performed by others identified a 5-kb clone, pVPC5-2, containing the incomplete VAMP2. The pVPC5-2 clone was partially sequenced and mapped to the broad region 17pter-->p12 by somatic cell hybridization. Our clone overlaps the pVPC5-2 clone and extends approximately 2 kb at the 3' end. In this study, we mapped this gene more precisely on 17p12 by FISH and we found a new polymorphic microsatellite, (GT)(7)CC(GT)(5), in exon V. This microsatellite, revealing three alleles with frequencies of 0.778, 0.139, and 0.083, might be useful for future linkage studies. Finally, we localized three previously known markers, stSG12859, TIGR-A002F11, and WIAF-1699 (alias stSG4044), in the 3' untranslated region of the gene.</p>","PeriodicalId":10982,"journal":{"name":"Cytogenetics and cell genetics","volume":"89 3-4","pages":"199-203"},"PeriodicalIF":0.0,"publicationDate":"2000-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1159/000015612","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"21800819","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Murine chromosome 16 telomeric region, homologous with human chromosome 21q22, contains the osmoregulatory Na(+)/myo-inositol cotransporter (SLC5A3) gene. 小鼠16号染色体端粒区与人类21q22染色体同源,含有渗透调节Na(+)/肌醇共转运蛋白(SLC5A3)基因。
Cytogenetics and cell genetics Pub Date : 2000-01-01 DOI: 10.1159/000015509
K E McVeigh, J J Mallee, A Lucente, B L Barnoski, S Wu, G T Berry
{"title":"Murine chromosome 16 telomeric region, homologous with human chromosome 21q22, contains the osmoregulatory Na(+)/myo-inositol cotransporter (SLC5A3) gene.","authors":"K E McVeigh,&nbsp;J J Mallee,&nbsp;A Lucente,&nbsp;B L Barnoski,&nbsp;S Wu,&nbsp;G T Berry","doi":"10.1159/000015509","DOIUrl":"https://doi.org/10.1159/000015509","url":null,"abstract":"<p><p>The murine Na(+)/myo-inositol cotransporter (SLC5A3) gene (Slc5a3) was cloned, the restriction sites mapped, and the coding region sequenced. Similar to other mammalian counterparts, including human, the gene has a single coding exon, with an open reading frame of 2.2 kb. The predicted protein of 718 amino acids is also highly conserved, compared to other mammalian homologs. Using fluorescence in situ hybridization, Slc5a3 was localized to the telomeric region of mouse chromosome 16, which is syntenic to human chromosome 21q22. An increased Slc5a3 copy number may explain the increased levels of myo-inositol in the brains of trisomy 16 mice and the increased rate of transport of myo-inositol into cultured neurons derived from trisomy 16 mice.</p>","PeriodicalId":10982,"journal":{"name":"Cytogenetics and cell genetics","volume":"88 1-2","pages":"153-8"},"PeriodicalIF":0.0,"publicationDate":"2000-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1159/000015509","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"21622455","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 14
Cooperation of selection and meiotic mechanisms in the production of imbalances in reciprocal translocations. 互惠易位失衡产生中的选择合作与减数分裂机制。
Cytogenetics and cell genetics Pub Date : 2000-01-01 DOI: 10.1159/000015476
T Faraut, M A Mermet, J Demongeot, O Cohen
{"title":"Cooperation of selection and meiotic mechanisms in the production of imbalances in reciprocal translocations.","authors":"T Faraut,&nbsp;M A Mermet,&nbsp;J Demongeot,&nbsp;O Cohen","doi":"10.1159/000015476","DOIUrl":"https://doi.org/10.1159/000015476","url":null,"abstract":"<p><p>We have used data from chromosomally unbalanced offspring observed at birth, as well as data from sperm chromosome analysis, to study the meiotic segregation of reciprocal translocations. Using data from a total of 1,597 unbalanced children, we have observed an excess in maternal origin for all modes of imbalance. This excess is particularly marked for the 3:1 unbalanced mode, for which we have also observed a maternal age effect, indicating a close relationship with autosomal trisomies. In addition, a statistical analysis of data from 34 different published studies using sperm chromosome analysis has demonstrated that factors which, for reasons of viability, produce a predisposition for a particular mode of imbalance at birth also appear to favor meiotic production of this type of imbalance. Thus the production of unbalanced gametes of a particular type is influenced by the size of the imbalance.</p>","PeriodicalId":10982,"journal":{"name":"Cytogenetics and cell genetics","volume":"88 1-2","pages":"15-21"},"PeriodicalIF":0.0,"publicationDate":"2000-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1159/000015476","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"21622634","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 58
Assignment of the human reticulon 4 gene (RTN4) to chromosome 2p14-->2p13 by radiation hybrid mapping. 人类网状结构4基因(RTN4)在2p14- >2p13染色体上的定位
Cytogenetics and cell genetics Pub Date : 2000-01-01 DOI: 10.1159/000015499
J Yang, L Yu, A D Bi, S Y Zhao
{"title":"Assignment of the human reticulon 4 gene (RTN4) to chromosome 2p14-->2p13 by radiation hybrid mapping.","authors":"J Yang,&nbsp;L Yu,&nbsp;A D Bi,&nbsp;S Y Zhao","doi":"10.1159/000015499","DOIUrl":"https://doi.org/10.1159/000015499","url":null,"abstract":"The human reticulon I gene (RTN1) cloned from a smallcell lung cancer (SCLC) NC1-H82 cell line (Roebroek et al., 1993) and mapped to chromosome 14q21→q22 (Kools et al., 1994) has three alternative transcripts (3.4, 2.3, and 1.8 kb) which can produce three different proteins (NSP-A with 776 amino acids, NSP-B with 356 amino acids and NSP-C with 208 amino acids.) with common carboxyl-terminal regions. These proteins are anchored to membranes of the endoplasmic reticulum and are collectively designated reticulons (Senden et al., 1994). The NSP-A and NSP-C proteins are expressed only in SCLC cells with neuroendocrine phenotypes as shown by Northern blot analysis, so it was proposed that the NSP proteins exist in some relationship with the occurrence of neuroendocrine SCLC (van de Velde et al., 1994). Two other genes whose 3)-regions are homologous to that of RTN1 were cloned and mapped to chromosome 19q13.3 and 11q13 respectively (Roebroek et al., 1998; Moreira et al., 1999). Although their functions are still not clear, they are regarded as members of the reticulon gene family and are called RTN2 and RTN3. Recently, a novel gene whose 3)-region is also homologous to that of RTN1 and which also has 3 alternative transcripts (4632, 2235 and 1617 bp, GenBank nos. AF148537, AF148538 and AF087901) was cloned in our laboratory and named RTN4 (including RTN4A, RTN4B and RTN4C) by the HUGO Nomenclature committee. Here, we report that the RTN4 gene was mapped to chromosome 2p14→p13 by using a radiation hybrid mapping panel.","PeriodicalId":10982,"journal":{"name":"Cytogenetics and cell genetics","volume":"88 1-2","pages":"101-2"},"PeriodicalIF":0.0,"publicationDate":"2000-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1159/000015499","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"21623004","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 27
Cloning and expression of CIS6, chromosome assignment to 3p22 and 2p21 by in situ hybridization. CIS6的克隆与表达,原位杂交鉴定染色体3p22和2p21。
Cytogenetics and cell genetics Pub Date : 2000-01-01 DOI: 10.1159/000015490
F Magrangeas, F Apiou, S Denis, U Weidle, Y Jacques, S Minvielle
{"title":"Cloning and expression of CIS6, chromosome assignment to 3p22 and 2p21 by in situ hybridization.","authors":"F Magrangeas,&nbsp;F Apiou,&nbsp;S Denis,&nbsp;U Weidle,&nbsp;Y Jacques,&nbsp;S Minvielle","doi":"10.1159/000015490","DOIUrl":"https://doi.org/10.1159/000015490","url":null,"abstract":"<p><p>A family of negative regulators of JAK signaling pathway referred to as suppressor of cytokines signaling (SOCS) or cytokine-inducible SH2 protein (CIS) has been recently identified. In order to find additional members of this family, we have used a consensus amino acid sequence contained in the well-conserved central SH2 domain to search DNA databases. We isolated cDNA coding for the human homologue of SOCS-5, referred to as CIS6. Northern blot analysis revealed CIS6 mRNA expression in various tissues such as heart, muscle, spleen, and thymus and in all myeloma cell lines examined. The gene was assigned to human chromosome bands 2p21 and 3p22 by in situ hybridization. CIS6 is structurally related to other members of the CIS family and therefore could act as a negative regulator of signal transduction.</p>","PeriodicalId":10982,"journal":{"name":"Cytogenetics and cell genetics","volume":"88 1-2","pages":"78-81"},"PeriodicalIF":0.0,"publicationDate":"2000-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1159/000015490","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"21623128","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 14
Assignment of SYNJ1 to human chromosome 21q22.2 and Synj12 to the murine homologous region on chromosome 16C3-4 by in situ hybridization. 通过原位杂交将SYNJ1定位到人类染色体21q22.2上,将Synj12定位到小鼠染色体16C3-4上的同源区。
Cytogenetics and cell genetics Pub Date : 2000-01-01 DOI: 10.1159/000015493
O Cremona, M Nimmakayalu, C Haffner, P Bray-Ward, D C Ward, P De Camilli
{"title":"Assignment of SYNJ1 to human chromosome 21q22.2 and Synj12 to the murine homologous region on chromosome 16C3-4 by in situ hybridization.","authors":"O Cremona, M Nimmakayalu, C Haffner, P Bray-Ward, D C Ward, P De Camilli","doi":"10.1159/000015493","DOIUrl":"10.1159/000015493","url":null,"abstract":"","PeriodicalId":10982,"journal":{"name":"Cytogenetics and cell genetics","volume":"88 1-2","pages":"89-90"},"PeriodicalIF":0.0,"publicationDate":"2000-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"21622998","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Mini review: form and function in the human interphase chromosome. 简要回顾:人类间期染色体的形态和功能。
Cytogenetics and cell genetics Pub Date : 2000-01-01 DOI: 10.1159/000015654
E Chevret, E V Volpi, D Sheer
{"title":"Mini review: form and function in the human interphase chromosome.","authors":"E Chevret, E V Volpi, D Sheer","doi":"10.1159/000015654","DOIUrl":"10.1159/000015654","url":null,"abstract":"<p><p>A key feature of interphase chromosomes is their compaction into discrete \"territories\" in the nucleus. In this review, we focus on the compartmentalization of the genome conferred by this organization and evaluate our current understanding of the role of large-scale chromatin folding in the regulation of gene expression. We examine evidence for the hypothesis that transcription occurs at the external surfaces of chromosomes and follow its evolution to include transcription at the surfaces of chromatin-rich domains within chromosomes. We also present prevailing views regarding the details of large-scale chromatin folding and the functional relationship between chromatin and the enigmatic nuclear matrix.</p>","PeriodicalId":10982,"journal":{"name":"Cytogenetics and cell genetics","volume":"90 1-2","pages":"13-21"},"PeriodicalIF":0.0,"publicationDate":"2000-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"21889078","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Assignment of the human RhoHP1 gene (ARHD) to chromosome 11q14.3 by radiation hybrid mapping. 人类RhoHP1基因(ARHD)在染色体11q14.3上的定位
Cytogenetics and cell genetics Pub Date : 2000-01-01 DOI: 10.1159/000015562
H S Kim, J Y Choi, A R Jung, K L Jang, W H Lee, W C Choi, T J Crow, B H Hyun
{"title":"Assignment of the human RhoHP1 gene (ARHD) to chromosome 11q14.3 by radiation hybrid mapping.","authors":"H S Kim,&nbsp;J Y Choi,&nbsp;A R Jung,&nbsp;K L Jang,&nbsp;W H Lee,&nbsp;W C Choi,&nbsp;T J Crow,&nbsp;B H Hyun","doi":"10.1159/000015562","DOIUrl":"https://doi.org/10.1159/000015562","url":null,"abstract":"The Rho (represents Ras homologous) related protein HP1 (RhoHP1) was isolated from a human placenta cDNA library. RhoHP1 showed 50–54% sequence homology to members of the Rho family (Shimizu et al.,1997). The Rho proteins directly interact with protein kinases, which may serve as downstream effector targets of the activated GTPase (Vincent et al., 1997). The Rho family proteins play a critical role in muscle differentiation by regulating the expression of the myogenin and MEF2 genes (Takano et al., 1998). In this report, a radiation hybrid mapping panel was used to assign the RhoHP1 gene ARHD (ras homolog gene family, member D) to chromosome 11q14.3.","PeriodicalId":10982,"journal":{"name":"Cytogenetics and cell genetics","volume":"89 1-2","pages":"53"},"PeriodicalIF":0.0,"publicationDate":"2000-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1159/000015562","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"21737197","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
cDNA cloning of putative rat acetyl-CoA transporter and its expression pattern in brain. 大鼠乙酰辅酶a转运体cDNA克隆及其脑内表达模式。
Cytogenetics and cell genetics Pub Date : 2000-01-01 DOI: 10.1159/000015613
R S Bora, S Ichikawa, A Kanamori, Y Hirabayashi
{"title":"cDNA cloning of putative rat acetyl-CoA transporter and its expression pattern in brain.","authors":"R S Bora,&nbsp;S Ichikawa,&nbsp;A Kanamori,&nbsp;Y Hirabayashi","doi":"10.1159/000015613","DOIUrl":"https://doi.org/10.1159/000015613","url":null,"abstract":"<p><p>Rat acetyl-CoA transporter gene (Acatn) encodes a hydrophobic multi-transmembrane protein involved in the O-acetylation of gangliosides. O-acetylated gangliosides have been found to play important roles in the embryonic development of the nervous system. We have isolated rat Acatn cDNA by PCR cloning. The amino acid sequence of rat Acatn exhibited 92% and 96% homology with human and mouse sequences, respectively. The mRNA was expressed in brain at all developmental stages. Acatn expression was higher in embryonic and postnatal rats than in adult rats. Cellular localization of Acatn mRNA in adult rat brain was also analyzed by in situ hybridization. Acatn mRNA expression was detected in the neuronal cells of cerebellum, hippocampus, hypothalamus, cortex, olfactory bulb, and dorsal and ventral anterior olfactory nucleus in adult rat brain.</p>","PeriodicalId":10982,"journal":{"name":"Cytogenetics and cell genetics","volume":"89 3-4","pages":"204-8"},"PeriodicalIF":0.0,"publicationDate":"2000-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1159/000015613","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"21800820","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
Comparative mapping of seven genes in mouse, rat and Chinese hamster chromosomes by fluorescence in situ hybridization. 荧光原位杂交对小鼠、大鼠和仓鼠染色体7个基因的比较定位。
Cytogenetics and cell genetics Pub Date : 2000-01-01 DOI: 10.1159/000015614
T Ono, S Hirano, S Yonezawa, S Aono, M Osaki, S Masaki, S Yamashita, T Tsukasaki, A Oohira, S T Suzuki, S Sonta
{"title":"Comparative mapping of seven genes in mouse, rat and Chinese hamster chromosomes by fluorescence in situ hybridization.","authors":"T Ono,&nbsp;S Hirano,&nbsp;S Yonezawa,&nbsp;S Aono,&nbsp;M Osaki,&nbsp;S Masaki,&nbsp;S Yamashita,&nbsp;T Tsukasaki,&nbsp;A Oohira,&nbsp;S T Suzuki,&nbsp;S Sonta","doi":"10.1159/000015614","DOIUrl":"https://doi.org/10.1159/000015614","url":null,"abstract":"<p><p>By fluorescence in situ hybridization (FISH) using mouse probes, we assigned homologues for cathepsin E (Ctse), protocadherin 10 (Pcdh10, alias OL-protocadherin, Ol-pc), protocadherin 13 (Pcdh13, alias protocadherin 2c, Pcdh2c), neuroglycan C (Cspg5) and myosin X (Myo10) genes to rat chromosomes (RNO) 13q13, 2q24-->q25, 18p12-->p11, 8q32.1 and 2q22.1-->q22.3, respectively. Similarly, homologues for mouse Ctse, Pcdh13, Cspg5 and Myo10 genes and homologues for rat Smad2 (Madh2) and Smad4 (Madh4) genes were assigned to Chinese hamster chromosomes (CGR) 5q28, 2q17, 4q26, 2p29-->p27, 2q112-->q113 and 2q112-->q113, respectively. The chromosome assignments of homologues of Ctse and Cspg5 reinforced well-known homologous relationships among mouse chromosome (MMU) 1, RNO 13 and CGR 5q, and among MMU 9, RNO 8 and CGR 4q, respectively. The chromosome locations of homologues for Madh2, Madh4 and Pcdh13 genes suggested that inversion events were involved in chromosomal rearrangements in the differentiation of MMU 18 and RNO 18, whereas most of MMU 18 is conserved as a continuous segment in CGR 2q. Furthermore, the mapping result of Myo10 and homologues suggested an orthologous segment of MMU 15, RNO 2 and CGR 2.</p>","PeriodicalId":10982,"journal":{"name":"Cytogenetics and cell genetics","volume":"89 3-4","pages":"209-13"},"PeriodicalIF":0.0,"publicationDate":"2000-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1159/000015614","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"21800821","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 13
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