Pontibacter arcticus Liu et al. 2019 Liu Z.-W. Zhang J. Yu Y. Li H.-R. Du Z.-J. Pontibacter arcticus sp. nov., isolated from rhizosphere soil of Saxifraga oppositifolia. 2019 69 11 3609 3615 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijsem.0.003668 31436526