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Fig. 7 | BMC Evolutionary Biology

Fig. 7

From: Evolution of vertebrate nicotinic acetylcholine receptors

Fig. 7

Analysis of the evolutionary history of the nAChR family with chromosomal locations of the nAChR genes and their neighboring gene families in human, chicken and spotted gar. Crosses indicate gene loss or gene not yet identified. Chicken and spotted gar illustrations are re-used with permission from Daniel Ocampo Daza, source: www.egosumdaniel.se and the human image is re-used with permission from https://commons.wikimedia.org. The neighboring gene families and duplication schemes for the CHRNB1, CHRND and CHRNE/CHRNG genes. The spotted gar retained a local duplication of the CHRNB1 gene, forming CHRNB1.2. The right panel summarizes chromosomes included. This paralogon is referred to as paralogon 5 in this study

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