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Assignment1 of a putative acetyl-CoA transporter gene (Acatn) to mouse chromosome band 3E1–E3 by in situ hybridization

Acetyl-CoA transporter gene (Acatn) encodes a novel protein that is involved in the process of O-acetylation of gangliosides. The human acetyl-CoA transporter gene has been cloned and sequenced (Kanamori et al., 1997). We have recently cloned and sequenced the mouse acetyl-CoA transporter gene that shows 87% homology with the human cDNA at nucleotide sequence level (unpublished data). The expression of 9-O-acetylated gangliosides is associated with neural cell differentiation and migration and it also effects virus binding, cell adhesion and the immunogenicity of sialic acid residues of gangliosides (Varki, 1992). In spite of its importance, the O-acetylation mechanism is poorly understood at the molecular and genetic level. Since acetyl-CoA transporter is involved in the process of O-acetylation, this gene will be of utmost importance to study the mechanism of O-acetylation. In this paper we report the chromosome mapping of the acetyl-CoA transporter gene. Materials and methods