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Two distinct PDE3 [cyclic GMP-inhibited cyclic nucleotide phosphodiesterase (cGI PDE)] isoforms, cGIP1 and cGIP2, have been identified. Here we report cloning of the cDNA and gene encoding human (H)cGIP1 (classified as PDE3B). The cDNA encodes a protein of 1112 amino acids (∼123 kDa). Northern blots indicate that its mRNA is expressed in several adipose tissue depots. The human PDE3B gene is composed...
A contig covering human chromosome 6p22 that consists of 134 YAC clones aligned based on the presence/absence of 52 DNA markers is presented. This contig overlaps with the 6p23 contig at its telomeric end and with the 6p21.3 contig at its centromeric end. The order of loci within the contig resolves the relative positions of several genetically mapped markers. Among the additional markers used here,...
Asymmetric transport of mRNA within the cells is mediated by RNA-binding proteins that form, along with the mRNAs and perhaps other small RNAs, stable ribonucleoprotein complexes. However, the nature of the protein components of these complexes in vertebrates is still unknown. InDrosophila,genetic studies have identified a number of potential genes that are necessary for localization of mRNAs in oocytes;...
Myosins are molecular motors that move along filamentous actin. Seven classes of myosin are expressed in vertebrates: conventional myosin, or myosin-II, as well as the 6 unconventional myosin classes -I, -V, -VI, -VII, -IX, and -X. We have mapped in mouse 22 probes encompassing all known unconventional myosins and, as a result, have identified 16 potential unconventional myosin genes. These genes...
We previously cloned a novel human lectin, designated P35, with both collagen-like and fibrinogen-like domains. P35 recognizes GlcNAc residues and is opsonic toward microorganisms. The overall structure of P35 closely resembles those of two pig ficolins that are putative TGF-β1-binding proteins. In this study, we analyzed the exon–intron structure and chromosomal location of the P35 gene as well as...
Arsenite resistance in bacteria is mediated by an efflux pump composed of thearsAandarsBgene products. We have isolated the human homolog of the bacterialarsA(hARSA-I), a member of the ATPase superfamily with no transmembrane domain. Southern and Northern analyses indicated the presence of two cross-hybridizing genes in the human genome and expression ofhARSA-Iin many tissues. A rabbit antiserum raised...
The PMP22/EMP/MP20 gene family includes four closely related proteins, peripheral myelin protein-22 (PMP22), epithelial membrane protein-1 (EMP-1), epithelial membrane protein-2 (EMP-2), and epithelial membrane protein-3 (EMP-3), which share amino acid identities ranging from 33 to 43%. In addition, the lens-specific membrane protein MP20 represents a more distant relative. Functionally, this family...
The five human CC-chemokine receptors functionally characterized to date were mapped by using a radiation hybrid panel and YAC contigs. The genes encoding CC-CKR1, CC-CKR2, CC-CKR3, and CC-CKR5 (designated respectively CMKBR1, CMKBR2, CMKBR3, and CMKBR5 in the Genome Data Bank) were found to be clustered in the 3p21.3 region of chromosome 3, between the AFM362WB9 and the WI-6983 markers. The four...
Van der Woude syndrome (VWS) is the most frequent form of syndromic clefting. Linkage analysis has localized the gene between D1S245 and D1S414, an interval of 4.1 cM with the following order of loci: centromere–D1S245/D1S471–D1S491–D1S205–D1S414–telomere. A microdeletion around D1S205 aided in narrowing the critical region to D1S491–D1S414 by heterozygosity testing. In this study, the location was...
A YAC library enriched for telomere clones was constructed and screened for the human telomere-specific repeat sequence (TTAGGG). Altogether 196 TYAC library clones were studied: 189 new TYAC clones were isolated, 149 STSs were developed for 132 different TYACs, and 39 P1 clones were identified using 19 STSs from 16 of the TYACs. A combination of mapping methods including fluorescencein situhybridization,...
Thehigh growth(hg) locus in mice produces a 30–50% increase in weight gain of homozygous individuals. Here we report that the microsatellite markerD10Mit69is deleted in high growth mice. The deletion ofD10Mit69was uncovered in a screen of the high growth mouse and its progenitor strains for available markers in thehgregion. We demonstrate thathgandD10Mit69cosegregate in a cross of congenic strains...
The nuclear-encoded DNA polymerase γ (DNA POLγ) is the sole DNA polymerase required for the replication of the mitochondrial DNA. We have cloned the cDNA for human DNA POLγ and have mapped the gene to the chromosomal location 15q24. Additionally, the DNA POLγ gene fromDrosophila melanogasterand a partial cDNA for DNA POLγ fromGallus gallushave been cloned. The predicted human DNA POLγ polypeptide...
We have determined the chromosomal localization of the gene for the catalytic subunit Cα of cAMP-dependent protein kinase (locus PRKACA) to human chromosome 19 using polymerase chain reaction (PCR) and Southern blot analysis of two different somatic cell hybrid mapping panels. In addition, PCR analysis of a chromosome 19 mapping panel revealed the presence of a human Cα-specific amplification product...
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