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Figure 1 | BMC Evolutionary Biology

Figure 1

From: Evolutionary origin of peptidoglycan recognition proteins in vertebrate innate immune system

Figure 1

Neighbor-joining tree of vertebrate PGRP amino acid sequences. Filled and open diamonds indicate duplication of loci and domains, respectively. The analyzed sequences contain 145 amino acid sites. Numbers at the nodes represent the bootstrap support for the branch based on 1000 replications. The evolutionary distances were computed using the Poisson correction method and are in the units of the number of amino acid substitutions per site. All positions containing gaps and missing data were eliminated from the dataset. Notation of species names are indicated as follow: Bota (Bos taurus), Cadr (Camelus dromedarius), Cyca (Cyprinus carpio), Dare (Danio renio), Epbu (Eptatretus burgeri), Fuhe (Fundulus heteroclitus), Gaac (Gasterosteus aculeatus), Gaga (Gallus gallus), Hosa (Homo sapiens), Modo (Monodelphis domestica), Mumu (Mus musculus), Oidi (Oikopleura dioica), Onmy (Oncorhynchus mykiss), Orla (Oryzias latipes), Patr (Pan troglodytes), Rano (Rattus norvegicus), Sasa (Salmo salar), Susc (Sus scrofa), Taru (Takifugu rubripes), Xela (Xenopus laevis) and Xetr (Xenopus tropicalis).

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