Infection with the secondary tsetse-endosymbiont Sodalis glossinidius (Enterobacteriales: Enterobacteriaceae) influences parasitism in Glossina pallidipes (Diptera: Glossinidae).

Autor:	Wamwiri FN; KARI - Trypanosomiasis Research Institute, PO Box 362, 00902 Kikuyu, Kenya f.wamwiri@gmail.com., Ndungu K; KARI - Trypanosomiasis Research Institute, PO Box 362, 00902 Kikuyu, Kenya., Thande PC; KARI - Trypanosomiasis Research Institute, PO Box 362, 00902 Kikuyu, Kenya., Thungu DK; KARI - Trypanosomiasis Research Institute, PO Box 362, 00902 Kikuyu, Kenya., Auma JE; KARI - Trypanosomiasis Research Institute, PO Box 362, 00902 Kikuyu, Kenya., Ngure RM; Department of Biochemistry & Molecular Biology, Egerton University, PO Box 536, 20115 Njoro, Kenya.
Jazyk:	angličtina
Zdroj:	Journal of insect science (Online) [J Insect Sci] 2014 Jan 01; Vol. 14. Date of Electronic Publication: 2014 Jan 01 (Print Publication: 2014).
DOI:	10.1093/jisesa/ieu134
Abstrakt:	The establishment of infection with three Trypanosoma spp (Gruby) (Kinetoplastida: Trypanosomatidae), specifically Trypanosoma brucei brucei (Plimmer and Bradford), T. b. rhodesiense (Stephen and Fatham) and T. congolense (Broden) was evaluated in Glossina pallidipes (Austen) (Diptera: Glossinidae) that either harbored or were uninfected by the endosymbiont Sodalis glossinidius (Dale and Maudlin) (Enterobacteriales: Enterobacteriaceae). Temporal variation of co-infection with T. b. rhodesiense and S. glossinidius was also assessed. The results show that both S. glossinidius infection (χ(2)= 1.134, df = 2, P = 0.567) and trypanosome infection rate (χ(2)= 1.85, df = 2, P = 0.397) were comparable across the three infection groups. A significant association was observed between the presence of S. glossinidius and concurrent trypanosome infection with T. b. rhodesiense (P = 0.0009) and T. congolense (P = 0.0074) but not with T. b. brucei (P = 0.5491). The time-series experiment revealed a slight decrease in the incidence of S. glossinidius infection with increasing fly age, which may infer a fitness cost associated with Sodalis infection. The present findings contribute to research on the feasibility of S. glossinidius-based paratransgenic approaches in tsetse and trypanosomiasis control, in particular relating to G. pallidipes control. (© The Author 2014. Published by Oxford University Press on behalf of the Entomological Society of America.)
Databáze:	MEDLINE
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