Skip to main content
. 2020 Nov 6;115:e200370. doi: 10.1590/0074-02760200370

TABLE V. Results of phenotypic and molecular identification tests of 52 isolates.

Tests of isolates Number of isolates in each test
Motility test Non-motile 36
Motile 16
MALDI-TOF Score above 2.3 1 identified as Bacillus anthracis
Score values between 2.0-2.3 11 confirmed as Bacillus sp.
Score values between 1.7-2.0 22 identified as probable Bacillus sp.
Score values lower than 1.7 18 were not identified
Susceptibility to gamma phage and penicillin Susceptible to gamma phage and penicillin 1
Susceptible to gamma phage and resistant to penicillin 10
Resistant to gamma phage and penicillin 13
Resistant to gamma phage and susceptible to penicillin 28
PCR pXO1+/pXO2- 02
pXO1-/pXO2- 50
Amplicon sequencing Identity to pag (surogate of pXO1) Isolate 29 (100% identity)
Isolate 41 (99.6% identity)
16sRNA Identified as strain belonging to B. cereus group Isolate 29 (100% identity and 100% query cover to B. paramycoides strain MCCC 1A04098, B. albus strain MCCC 1A02146 and B. anthracis ATCC141576
Isolate 41 (100% identity and 94% query cover to eight species belonging to the B. cereus group)
Isolates 2, 3, 4, 6, 7, 8, 30, 36 and 37 (match to several species belonging to the B. cereus group)