The phylogeny of GT2 with ZcCesA1 (Zci_04468) homologs retrieved by BLASTP against the protein non-redundant (nr) database of the National Center for Biotechnology Information (NCBI) (E-value <1 × 10 −10 ); colors follow d , and >5,000 bacterial homologs from >8 phyla are collapsed (blue triangle). See Supplementary Data 1 – 13 for details. Z. cir./Z. ci , Zygnema circumcarinatum ; Z. cyl ., Zygnema cf. cylindricum .
