Chromosomal locations of the genes for the beaded filament proteins CP 115 and CP 47

John F. Hess, Jodi T. Casselman, Paul G FitzGerald

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

We have used the polymerase chain reaction (PCR) to amplify CP 115 and CP 47 encoding sequences from human lens cDNA samples. DNA sequence and northern blot analysis were used to confirm human origin. From the determined cDNA sequences, human-specific oligonucleotides were synthesized and assessed for the ability to amplify human genomic DNA. After empirically selecting a primer pair for each gene able to amplify human genomic DNA, and optimizing PCR conditions for human specificity, we used the PCR to screen a panel of mouse/human somatic cell hybrid DNA samples. Amplification of CP 115 or CP 47 sequences in each of the somatic cell hybrid samples was correlated with the presence/absence of human genomic DNA sequences encoding the respective gene sequences. From our results, we conclude that the gene for human CP 115 resides on chromosome 20 and the gene for human CP 47 on chromosome 3. Further mapping using somatic cell lines carrying derivatives of human chromosome 3 localize the gene for CP 47 to 3q21-25. We propose LIFL-H (Lens Intermediate Filament Like-Heavy) for CP 115 and LIFL-L (Lens Intermediate Filament Like-Light) for CP 47 as the gene symbols for these loci.

Original languageEnglish (US)
Pages (from-to)11-18
Number of pages8
JournalCurrent Eye Research
Volume14
Issue number1
DOIs
StatePublished - 1995

Fingerprint

Genes
Proteins
Lenses
Chromosomes, Human, Pair 3
Intermediate Filaments
Hybrid Cells
Polymerase Chain Reaction
Complementary DNA
Chromosomes, Human, Pair 20
DNA
Human Chromosomes
DNA-Directed DNA Polymerase
Oligonucleotides
Northern Blotting
Light
Cell Line

Keywords

  • Beaded filament
  • Cytokeratin genes
  • Cytoskeleton
  • Human
  • Human chromosome 20
  • Human chromosome 3
  • Intermediate filament
  • Lens

ASJC Scopus subject areas

  • Ophthalmology
  • Sensory Systems
  • Cellular and Molecular Neuroscience

Cite this

Chromosomal locations of the genes for the beaded filament proteins CP 115 and CP 47. / Hess, John F.; Casselman, Jodi T.; FitzGerald, Paul G.

In: Current Eye Research, Vol. 14, No. 1, 1995, p. 11-18.

Research output: Contribution to journalArticle

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