SAMN22552834 NCPPB528 SRS21991048 Microbe sample from Xanthomonas campestris pv. campestris Xanthomonas campestris pv. campestris University of Exeter David Studholme John Microbe, viral or environmental Microbe.1.0 NCPPB 528 campestris United Kingdom Brassica oleracea var. gemmifera cell culture not collected E. Billing type strain of Xanthomonas campestris 774128