Population diversity and antibody selective pressure to Plasmodium falciparum MSP1 block2 locus in an African malaria-endemic setting

Table 1 Number of isolates studied by calendar year of survey and successfully genotyped for the Pfmsp1 block2 locus by nested PCR and gene sequencing

		PCR genotyping			Sequencing
year of survey	No samples studied	No samples typed	No alleles detected	Mean No alleles detected/sample	No PCR fragments sequenced
1990	23	23	46	2,00	27
1991	30	29	49	1,69	32
1992	30	29	43	1,48	33
1993	37	36	63	1,75	45
1994	35	34	54	1,59	37
1995	38	33	51	1,55	40
1996	46	38	68	1,79	48
1997	26	25	46	1,84	29
1998	52	44	76	1,73	51
1999	19	15	28	1,87	16

ISSN: 1471-2180