TABLE 3

Isolate collections used in this study and their colony morphologies, LPS types, and MAb reactivities

B. pseudomallei isolate sourceTotal no. of isolatesColony form observed on solid agar (no. [%] of isolates)Colony type (no. of isolates)No. of isolates with indicated LPS type and reaction with MAb 9D5
Type A LPSType B LPSRough LPS
PositiveNegativePositiveNegativePositiveNegative
Clinical isolates from Thai patients with no relapse (200 patients)200Single type (191 [95.5])M (5)050000
NM (186)18300201
Mixed types (9 [4.5])M (9)090000
NM (9)900000
Clinical isolates from Thai patients with primary infection followed by at least one episode of relapse (78 patients)166Single type (153 [92.2])M (5)050000
NM (148)14200402
Mixed types (13 [7.8])M (13)0130000
NM (13)1300000
Clinical and environmental strains from Australia (38 patients, 10 animals, 4 environmental)52Single type (40 [76.9])M (0)000000
NM (40)3300403
Mixed types (12 [23.1])M (12)090300
NM (12)900300
Primary culture plate isolates from Thai patients (40 patients)40Single type (32 [80.0])M (0)000000
NM (32)3200000
Mixed types (8 [20.0])M (8)080000
NM (8)800000