Volume 11, Number 7—July 2005
Research
Human Metapneumovirus Genetic Variability, South Africa
Herbert P. Ludewick*, Yacine Abed†, Nadia van Niekerk*, Guy Boivin†, Keith P. Klugman*‡, and Shabir A. Madhi*
Table
Human metapneumovirus F and G gene nucleotide and amino acid identities of South African strains in 3 consecutive years (2000–2002)
| Gene | Subgroups | % nucleotide (amino acid) identities |
|||
|---|---|---|---|---|---|
| A1 | A2 | B1 | B2 | ||
| F | A1 | 99–100 (98.4–100) | 93–95 (96.3–97.9) | 83.8–84.1 (93.2–94.3) | 82.7–84.5 (94.3–95.8) |
| A2 | 99–100 (99.4–100) | 83–83.8 (94.3) | 83.1–85 (95.3–95.8) | ||
| B1 | 98–100 (100) | 93–95 (98.4) | |||
| B2 | 96–100 (99.4) | ||||
| G | A1 | 95.4–100 (87.5–100) | 72.8–74.7 (55–63.6) | 45.9–47.8 (24.3–26.2) | 47.4–48.7 (22.4–26.7) |
| A2 | 95–100 (88.6–98.1) | 50.3–51.8 (25.4–27.7) | 51–53.1 (23.6–27.6) | ||
| B1 | 93.2 (87.9) | 77.4–80.5 (58.2–62.8) | |||
| B2 | 93.2–100 (82.8–100) | ||||
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