TABLE 2.

P. jirovecii DHPS and DHFR mutations in 25 HIV-infected patients with P. jirovecii pneumonia in Guangzhou, China

No. of patients	DHPS gene nucleotide(s) at positiona:		DHFR gene nucleotide(s) at positiona:
	163	169	188	312
8b	A	C	A	T
4	A	C	A	C
9	A	C	A	T and Cc
1	A	C	A and Gc	C
2	A and Gc	C and Tc	A	T
1	A	C and Tc	A	T and Cc

^aRelative to the full-length DHPS and DHFR genes of P. jirovecii (GenBank accession no. AF139132 and AF090368, respectively).

^bWild type for DHPS and DHFR genes.

^cConfirmed by sequencing of plasmid clones. Double mutations were present in at least 3 clones for each patient.