
Phylogeny and salt-tolerance of freshwater Nostocales strains: Contribution to their systematics and evolution
Keywords: GTRâ¯+â¯Iâ¯+â¯G; general time-reversible substitution model with a proportion of invariable sites and gamma distribution shape parameters; hetR; heterocyte differentiation gene R; nifH; nitrogenase gene H; SYMâ¯+â¯G; symmetrical substitution model w