Mammalian Genome Analyses Find Elephants Have Large Number of Olfactory Receptor Genes | GenomeWeb

NEW YORK (GenomeWeb) – Using a phylogenetic-based approach to study the genomes of more than a dozen mammals, University of Tokyo researchers found that African elephants have the largest number of characterized olfactory receptor genes.

African elephants, they reported in Genome Research today, have some 2,000 functional OR genes. By contrast, mice have about 1,200 OR genes and humans have around 400 OR genes

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