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Plasmodium pifanoi
Species of single-celled organism From Wikipedia, the free encyclopedia
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Plasmodium pifanoi is a parasite of the genus Plasmodium subgenus Paraplasmodium. As in all Plasmodium species, P. pifanoi has both vertebrate and insect hosts. The vertebrate hosts for this parasite are lizards.
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Taxonomy
This species was first described by Scorza and Dagert in 1956. It was redescribed in 2003 by Telford.[1]
Description
The asexual stages are irregular in shape and do not have a vacuole.
Schizonts measure 6.2 × 4.5 micrometres (range: 4 – 8 × 3 – 6) and produce on average 11.9 (range: 7 – 16) merozoites.
Gametocytes average 12.4 × 6.0 micrometres (range: 8 – 16 × 4 – 10). The average length × width product is 72.9 (range: 52 – 112) and the average length / width ratio is 2.18 (range: 1.1 – 3.3). The gametocytes always contain 1 – 5 prominent vacuoles.
Macrogametocytes during active infection are longer than microgametocytes with a greater length-width product. Gametocytes in chronic infection are slightly smaller and are not sexually dimorphic in their dimensions.
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Distribution
Found in Venezuela, South America.
Hosts
Known hosts are the lizards Ameiva ameiva and Kentropyx calcarata.
References
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