Document Detail


Mapping the human liver/islet glucose transporter (GLUT2) gene within a genetic linkage map of chromosome 3q using a (CA)n dinucleotide repeat polymorphism and characterization of the polymorphism in three racial groups.
MedLine Citation:
PMID:  1639377     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The human liver/islet glucose transporter (GLUT2), a candidate gene for diabetes, has been incorporated into a genetic linkage map for chromosome 3q using a (CA)n dinucleotide repeat polymorphism adjacent to the 3'-end of exon 4a. We have found a total of nine alleles ranging in length from 153 to 169 nucleotides in three racial groups and have determined the precise structure of the variable region for four of the alleles by DNA sequencing. Five alleles were found to be common to the American Black, Caucasian, and Pima Indian racial groups studied. One allele (169 bp) was unique to American Blacks, and another rare allele (153 bp) was found only in the Caucasian population studied. Observed heterozygosity of the polymorphism in the Caucasian (CEPH) reference pedigree collection is 60%, for American Blacks 71%, and for Pima Indians 53%. An independent study recently identified the same dinucleotide repeat and found six alleles in a Caucasian population (Froguel et al., 1991), a result that we confirm; however, our sequencing data indicate a different molecular structure for the polymorphism for some of the alleles. We have constructed a new genetic linkage map of chromosome 3q uniquely placing the GLUT2 gene between flanking markers D3S26 and D3S43. The genetic map consists of 23 loci (25 RFLPs and 2 (CA)n dinucleotide repeat markers) with 14 markers uniquely localized with odds of at least 1000:1. Three genes (FTHL4, TF, GLUT2) are integrated into the map, which spans a sex-average distance of 147.3 cM, 103.8 cM in males and 227.0 cM in females.(ABSTRACT TRUNCATED AT 250 WORDS)
Authors:
A Matsutani; A Hing; T Steinbrueck; R Janssen; J Weber; M A Permutt; H Donis-Keller
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Genomics     Volume:  13     ISSN:  0888-7543     ISO Abbreviation:  Genomics     Publication Date:  1992 Jul 
Date Detail:
Created Date:  1992-08-28     Completed Date:  1992-08-28     Revised Date:  2007-11-14    
Medline Journal Info:
Nlm Unique ID:  8800135     Medline TA:  Genomics     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  495-501     Citation Subset:  IM    
Affiliation:
Department of Internal Medicine, Washington University School of Medicine, St. Louis, Missouri 63110.
Data Bank Information
Bank Name/Acc. No.:
GENBANK/M74209;  M74210;  M74211;  M74212;  M74213;  M74214;  M74215;  M76673;  S41308;  S41693
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MeSH Terms
Descriptor/Qualifier:
Alleles
Base Sequence
Chromosome Mapping
Chromosomes, Human, Pair 3*
Continental Population Groups / genetics
DNA / genetics
Female
Genetic Markers
Humans
Islets of Langerhans / metabolism
Linkage (Genetics)
Liver / metabolism
Male
Molecular Sequence Data
Monosaccharide Transport Proteins / genetics*
Polymorphism, Genetic
Repetitive Sequences, Nucleic Acid
Grant Support
ID/Acronym/Agency:
DK16746/DK/NIDDK NIH HHS; HG00304/HG/NHGRI NIH HHS; HG00469/HG/NHGRI NIH HHS
Chemical
Reg. No./Substance:
0/Genetic Markers; 0/Monosaccharide Transport Proteins; 9007-49-2/DNA

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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