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The construction of a cynomolgus macaque (Macaca fascicularis, Mafa) BAC library for genomic comparison between rhesus and cynomolgus macaques is necessary to promote the cynomolgus macaque as one of the important experimental animals for future medical and biological research. In this paper, we constructed a cynomolgus macaque BAC library and a map of the MHC (Mafa) genomic region for comparison...
We have devised a mapping method for rapid assembly and ordering of bacterial artificial chromosome (BAC) clones on a radiation hybrid (RH) panel, using sequence-tagged sites (STSs) and PCR. The protocol consists of two rounds of two-dimensional screening from a limited number of BACs to correspond each to an STS. In the first round, STSs are assembled in the RH bins and ordered according to PCR signals...
Deletion of chromosome 10 is one of the most common chromosomal alterations in glioma. At 10p15, the telomeric region of the short arm of chromosome 10, loss of heterozygosity (LOH) has been frequently observed by microsatellite analysis, suggesting the presence of a tumor suppressor gene. We examined LOH in 34 gliomas on chromosome 10, and frequent LOH on 10p was detected on 10p15, in agreement with...
MEST/PEG1, a gene expressed paternally in mesodermal derivatives in early embryonic stages, is the first imprinted gene mapped to chromosome 7q32. Since imprinted genes are clustered in general at a chromosomal region, we speculated that a similar imprinted-gene cluster may exist at chromosome region 7q32 and that the functions of some such genes may contribute to the phenotype of Silver–Russell syndrome...
Human chromosome 11q23.2 has been proposed to contain a tumor suppressor gene(s) whose deletion has been associated with cancer of the lung and breast and with neuroblastoma. To analyze the genomic structure and to isolate a candidate tumor suppressor gene from this region, we constructed a 2-Mb sequence-ready contig map using bacteriophage P1 (P1), bacterial artificial chromosome (BAC), and P1-derived...
To find the genes contributing to Down syndrome, we constructed a 4-Mb sequence-ready map spanning chromosome 21q22.2 with megabase-sized cosmid/P1-derived artificial chromosome (PAC) contigs. The restriction map with rare cutting enzymes, followed by sequencing from the clustering sites, has defined CpG islands and revealed the genes associated with CpG islands (Accession No. D85771). Of these, two...
We previously assigned a 14q13 breakpoint of t(2;14) in a patient with mirror-image polydactyly to a segment between two loci,AFM200ZH4andD14S306,within a genetic distance of 0.6 cM. In the present study, we constructed a 1.2-Mb high-resolution physical map with a contig composed of 16 bacterial artificial chromosomes (BACs) and 6 P1-derived artificial chromosomes (PACs) at a region around the breakpoint,...
The major phenotypic features of Down syndrome have been correlated with partial trisomies of chromosome 21, allowing us to define the candidate gene region to a 4-Mb segment on the 21q22.2 band. We present here a high-resolution physical map with megabase-sized cosmid/PAC contigs. This ordered clone library has provided unique material for the integration of a variety of mappable objects, including...
A human chromosome 21-specific cosmid library from the Lawrence Livermore National Laboratory has been analyzed by two complementary methods, fingerprinting and hybridization; 40% coverage of the entire chromosome 21 has been achieved.To prepare a contig pool, approximately 9300 cosmid clones randomly selected from the library were fingerprinted and automatically assembled into 467 overlapping sets...
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