Table 3.

Mutation signatures of desiccation-induced A. baumannii ATCC 17978 Rif^r mutants

Mutation type and rpoB nucleotide changed	RpoB amino acid substitution	Mutation frequency (%) (n = 42)
Transversions
1564 CAG → AAG	522 Gln → Lysa	7
1565 CAG → CTG	522 Gln → Leua	10
1573 GAC → TAC	525 Asp → Tyrb	5
1574 GAC → GTC	525 Asp → Valc	5
1603 CAT → GAT	535 His → Aspa	2
1604 CAT → CTT	535 His → Leub	12
1619 TCT → TAT	540 Ser → Tyrb	12
1741 ATC → TTC	581 Ile → Phea,b	14
Total		67
Transitions
1565 CAG → CGG	522 Gln → Arga,b	12
1603 CAT → TAT	535 His → Tyra	2
1619 TCT → TTT	540 Ser → Phea	7
1625 CTT → CCT	542 Leu → Proa,b	10
1696 CGT → TGT	566 Arg → Cysa,c	2
Total		33

^aNovel Acinetobacter substitution.

^bThe mutation was also found in an A. baumannii ATCC 17978 dinB::Km strain.

^cThe mutation was unique to A. baumannii ATCC 17978 dinB::Km strain.

^dBoldface and underscoring indicate the nucleotide changes.