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Volumn 328, Issue 5980, 2010, Pages 866-871

The selection landscape of malaria parasites

Author keywords

[No Author keywords available]

Indexed keywords

ADAPTATION; DISEASE CONTROL; DISEASE TRANSMISSION; DISEASE VECTOR; FITNESS; HOMINID; IMMUNE RESPONSE; IMMUNITY; MALARIA; MOSQUITO; NATURAL SELECTION; PARASITE; PARASITE INFESTATION; PHYSIOLOGY; PROTOZOAN; VIRULENCE;

EID: 77952370937     PISSN: 00368075     EISSN: 10959203     Source Type: Journal    
DOI: 10.1126/science.1185410     Document Type: Review
Times cited : (116)

References (61)
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    • note
    • Average gametocyte density curves for each age class were predicted from average asexual densities and infection lengths observed in cross-sectional surveys in the Garki Project (41), assuming a log-linear rate of decline from peak parasite density on day 8 until the threshold of detection by microscopy was reached, and a 10-day delay between peak asexual density and gametocyte density. This curve shape was assumed because it gave good fit to daily data on asexual densities during P. falciparum infections used to treat neurosyphilis (58-60). Gametocyte densities were calculated from asexual densities based on the linear relationship between the age-class averages of these traits in the Garki Project (39, 41). Because the focus here is on parasite fitness, the curves shown in Fig. 2A are for a single parasite infection, that is, in the absence of superinfection that renders actual infection lengths much longer than these, especially in the 1- to 4- and 5- to 8-year-olds where parasite infections accumulate faster than they are cleared (39, 41). The relationship between mosquito infectivity and average gametocyte density in Fig. 2A was calculated from data on experimental feeding of mosquitoes to Plasmodium-infected patients (60). Because host death, when it occurs, does so soon after peak asexual parasite density before gametocytes infectious to mosquitoes have appeared, no differential weighting of transmissibility to account for changing host survival probability through time was applied.
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    • We are grateful to P. Bull, V. Thathy, S. Gandon, and an anonymous reviewer for useful comments. M.J.M. is supported by Wellcome Trust Project Grant 088634, and both authors are supported by Wellcome Trust Core Programme Grant 077092. M.J.M. is a member of the GlaxoSmithKline Biologicals advisory board for modeling malaria vaccines. This paper is published with the permission of the director of the Kenya Medical Research Institute
    • We are grateful to P. Bull, V. Thathy, S. Gandon, and an anonymous reviewer for useful comments. M.J.M. is supported by Wellcome Trust Project Grant 088634, and both authors are supported by Wellcome Trust Core Programme Grant 077092. M.J.M. is a member of the GlaxoSmithKline Biologicals advisory board for modeling malaria vaccines. This paper is published with the permission of the director of the Kenya Medical Research Institute.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.