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. 2019 Sep 9;7(9):335. doi: 10.3390/microorganisms7090335

Figure 1.

Figure 1

Internal transcribed spacer (ITS) gene tree constructed with the representative Trebouxia operational taxonomic units (OTUs) from this study, and 69 and seven representative OTUs from Leavitt et al. [19], and Škaloud et al. [48] respectively. Four major clades from Leavitt et al. [19] are indicated. ITS sequences from this study are in bold, and those from the SAG and UTEX culture collection are in red and bold. For the sake of reference to the already published dataset, the names of the representative OTUs from Leavitt et al. [19] and Škaloud et al. [48] are retained. The reference OTUs from this study are named according to the following scheme: Locality, DNA/sample ID, number of sequences of that OTU in the dataset, and lastly, Trebouxia OTU number. Novel OTUs are indicated with a green dot in front of the name of the representative OTU sequence.