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. 2020 Feb 6;15(2):e0228317. doi: 10.1371/journal.pone.0228317

Fig 1. Phylogenetic relationships of Giardia duodenalis isolates inferred by the neighbor-joining analysis of the glutamate dehydrogenase (gdh) nucleotide sequences.

Fig 1

Filled black circles represent gdh sequences generated in the present study. Previously published sequences of human origin and reference sequences retrieved from GenBank were included in the analyses for comparative purposes. Spironucleus vortens was used as outgroup taxa.