Abstract:
:By two PCR-based diagnostic methods, Plasmodium malariae infections have been rediscovered at two foci in the Sichuan province of China, a region where no cases of P. malariae have been officially reported for the last 2 decades. In addition, a variant form of P. malariae which has a deletion of 19 bp and seven substitutions of base pairs in the target sequence of the small-subunit (SSU) rRNA gene was detected with high frequency. Alignment analysis of Plasmodium sp. SSU rRNA gene sequences revealed that the 5' region of the variant sequence is identical to that of P. vivax or P. knowlesi and its 3' region is identical to that of P. malariae. The same sequence variations were also found in P. malariae isolates collected along the Thai-Myanmar border, suggesting a wide distribution of this variant form from southern China to Southeast Asia.
journal_name
J Clin Microbioljournal_title
Journal of clinical microbiologyauthors
Liu Q,Zhu S,Mizuno S,Kimura M,Liu P,Isomura S,Wang X,Kawamoto Fdoi
10.1128/JCM.36.11.3378-3381.1998subject
Has Abstractpub_date
1998-11-01 00:00:00pages
3378-81issue
11eissn
0095-1137issn
1098-660Xjournal_volume
36pub_type
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