Molecular Cloning of cDNAs Encoding Human Carnitine Acetyltransferase and Mapping of the Corresponding Gene to Chromosome 9q34.1

Olga Corti, Gaetano Finocchiaro, Elena Rossi, Orsetta Zuffardi, Stefano Didonato

Research output: Contribution to journalArticle

Abstract

Using a combination of PCR screening of cDNA libraries and reverse transcription PCR, we have cloned three overlapping DNA fragments that encode human carnitine acetyltransferase (CAT), a key enzyme for metabolic pathways involved with the control of the acyl-CoA/CoA ratio in mitochondria, peroxisomes, and endoplasmic reticulum. The resulting cDNA (2436 bp) hybridizes to a mRNA species of ∼2.9 kb that is particularly abundant in skeletal muscle and encodes a 68-kDa protein containing a peroxisomal targeting signal. The sequence matches those of several tryptic peptides obtained from purified human liver CAT and shows striking similarities with other members of the carnitine/choline acetyltransferase family very distant throughout evolution. CAT cDNA has also been used for fluorescence in situ hybridization on metaphase spreads of human chromosomes, and the corresponding gene, CAT1, has been mapped to chromosome 9q34.1.

Original languageEnglish
Pages (from-to)94-99
Number of pages6
JournalGenomics
Volume23
Issue number1
DOIs
Publication statusPublished - Sep 1 1994

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Carnitine O-Acetyltransferase
Chromosome Mapping
Molecular Cloning
Complementary DNA
Chromosomes
Polymerase Chain Reaction
Acyl Coenzyme A
Peroxisomes
Choline O-Acetyltransferase
Human Chromosomes
Coenzyme A
Metaphase
Metabolic Networks and Pathways
Fluorescence In Situ Hybridization
Gene Library
Endoplasmic Reticulum
Reverse Transcription
Mitochondria
Skeletal Muscle
Messenger RNA

ASJC Scopus subject areas

  • Genetics

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Molecular Cloning of cDNAs Encoding Human Carnitine Acetyltransferase and Mapping of the Corresponding Gene to Chromosome 9q34.1. / Corti, Olga; Finocchiaro, Gaetano; Rossi, Elena; Zuffardi, Orsetta; Didonato, Stefano.

In: Genomics, Vol. 23, No. 1, 01.09.1994, p. 94-99.

Research output: Contribution to journalArticle

Corti, Olga ; Finocchiaro, Gaetano ; Rossi, Elena ; Zuffardi, Orsetta ; Didonato, Stefano. / Molecular Cloning of cDNAs Encoding Human Carnitine Acetyltransferase and Mapping of the Corresponding Gene to Chromosome 9q34.1. In: Genomics. 1994 ; Vol. 23, No. 1. pp. 94-99.
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