Lysobacter helvus Kim et al. 2019 Kim I. Choi J. Chhetri G. Seo T. Lysobacter helvus sp. nov. and Lysobacter xanthus sp. nov., isolated from Soil in South Korea. 2019 112 8 1253 1262 Antonie van Leeuwenhoek 0003-6072 1572-9699 10.1007/s10482-019-01256-w 30906954