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  • Title: Mouse beta-mannosidase: cDNA cloning, expression, and chromosomal localization.
    Author: Beccari T, Bibi L, Stinchi S, Stirling JL, Orlacchio A.
    Journal: Biosci Rep; 2001 Jun; 21(3):315-23. PubMed ID: 11892998.
    Abstract:
    Beta-mannosidase is an exoglycosidase involved in the degradation of N-linked oligosaccharides moieties of glycoproteins. Lack of beta-mannosidase activity leads to the lysosomal disorder beta-mannosidosis (MIM 248510). We have isolated and sequenced the gene encoding the mouse beta-mannosidase. Comparison of the deduced amino acid sequence of mouse, human, bovine, and goat beta-mannosidase showed 64%, identity, reflecting a high degree of evolutionary conservation. Analysis of a multiple tissue northern blotting revealed a major transcript of about 3.7 kb in all tissues examined. The northern analysis also demonstrates that there is differential tissue mRNA expression. The mouse beta-mannosidase gene (Bmn) was mapped to the distal end of Chromosome (Chr) 3, in a region that is homologous with a segment of human Chr 4 containing the orthologous human gene.
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