The population genomics of multiple tsetse fly ( Glossina fuscipes fuscipes ) admixture zones in Uganda

2019 ◽  
Vol 28 (1) ◽  
pp. 66-85 ◽  
Author(s):  
Norah P. Saarman ◽  
Robert Opiro ◽  
Chaz Hyseni ◽  
Richard Echodu ◽  
Elizabeth A. Opiyo ◽  
...  
Keyword(s):  
Population Genomics ◽  
Tsetse Fly ◽  
Glossina Fuscipes Fuscipes

scholarly journals Wolbachia association with the tsetse fly, Glossina fuscipes fuscipes, reveals high levels of genetic diversity and complex evolutionary dynamics

2013 ◽  
Vol 13 (1) ◽  
pp. 31 ◽  
Author(s):  
Rebecca E Symula ◽  
Uzma Alam ◽  
Corey Brelsfoard ◽  
Yineng Wu ◽  
Richard Echodu ◽  
...  
Keyword(s):  
Genetic Diversity ◽  
Evolutionary Dynamics ◽  
Tsetse Fly ◽  
Glossina Fuscipes Fuscipes

scholarly journals Sticky small target: an effective sampling tool for tsetse fly Glossina fuscipes fuscipes Newstead, 1910

2018 ◽  
Vol 11 (1) ◽  
Author(s):  
Njelembo J. Mbewe ◽  
Rajinder K. Saini ◽  
Baldwyn Torto ◽  
Janet Irungu ◽  
Abdullahi A. Yusuf ◽  
...  
Keyword(s):  
Tsetse Fly ◽  
Small Target ◽  
Glossina Fuscipes Fuscipes

scholarly journals Evaluation of the Cost-Effectiveness of Pyramidal, Modified Pyramidal and Monoscreen Traps for the Control of the Tsetse Fly,Glossina fuscipes fuscipes, in Uganda

2007 ◽  
Vol 7 (47) ◽  
pp. 1-7 ◽  
Author(s):  
P.P. Abila ◽  
J. Okello-Onen ◽  
J.O. Okoth ◽  
G.O. Matete ◽  
F. Wamwiri ◽  
...  
Keyword(s):  
Cost Effectiveness ◽  
Tsetse Fly ◽  
Glossina Fuscipes Fuscipes ◽  
The Cost

scholarly journals Spatio-temporal distribution of Spiroplasma infections in the tsetse fly (Glossina fuscipes fuscipes) in northern Uganda

2019 ◽  
Vol 13 (8) ◽  
pp. e0007340 ◽  
Author(s):  
Daniela I. Schneider ◽  
Norah Saarman ◽  
Maria G. Onyango ◽  
Chaz Hyseni ◽  
Robert Opiro ◽  
...  
Keyword(s):  
Temporal Distribution ◽  
Tsetse Fly ◽  
Northern Uganda ◽  
Glossina Fuscipes Fuscipes ◽  
Spatio Temporal

The interaction of taste and heat on the biting response of the tsetse fly Glossina fuscipes fuscipes

1998 ◽  
Vol 23 (3) ◽  
pp. 285-288 ◽  
Author(s):  
WYNAND M. VAN DER ◽  
GOES VAN NATERS ◽  
CORNELIS J. DEN OTTER ◽  
DOMINIQUE CUISANCE
Keyword(s):  
Tsetse Fly ◽  
Glossina Fuscipes Fuscipes

The tsetse fly Glossina fuscipes fuscipes (Diptera: Glossina) harbours a surprising diversity of bacteria other than symbionts

2011 ◽  
Vol 99 (3) ◽  
pp. 711-720 ◽  
Author(s):  
Jenny M. Lindh ◽  
Michael J. Lehane
Keyword(s):  
Tsetse Fly ◽  
Glossina Fuscipes Fuscipes

Efficiencies of stationary sampling tools for the tsetse fly Glossina fuscipes fuscipes in western Kenya

Acta Tropica ◽  
2021 ◽  
pp. 106092
Author(s):  
Njelembo J Mbewe ◽  
Catherine L Sole ◽  
Christian W W Pirk ◽  
Daniel K Masig ◽  
Abdullahi A Yusuf
Keyword(s):  
Tsetse Fly ◽  
Western Kenya ◽  
Glossina Fuscipes Fuscipes ◽  
Stationary Sampling

scholarly journals Impact of Glossina pallidipes salivary gland hypertrophy virus (GpSGHV) on a heterologous tsetse fly host, Glossina fuscipes fuscipes

2018 ◽  
Vol 18 (S1) ◽  
Author(s):  
Güler Demirbas-Uzel ◽  
Andrew G. Parker ◽  
Marc J. B. Vreysen ◽  
Robert L. Mach ◽  
Jeremy Bouyer ◽  
...  
Keyword(s):  
Salivary Gland ◽  
Glossina Pallidipes ◽  
Tsetse Fly ◽  
Glossina Fuscipes Fuscipes ◽  
Salivary Gland Hypertrophy ◽  
Salivary Gland Hypertrophy Virus

scholarly journals Spatio-temporal distribution of Spiroplasma infections in the tsetse fly (Glossina fuscipes fuscipes) in northern Uganda

2019 ◽  
Author(s):  
Daniela I. Schneider ◽  
Norah Saarman ◽  
Maria G. Onyango ◽  
Chaz Hyseni ◽  
Robert Opiro ◽  
...  
Keyword(s):  
Genetic Background ◽  
Linear Models ◽  
Geographic Origin ◽  
Transmission Efficiency ◽  
Tsetse Fly ◽  
Sub Saharan Africa ◽  
Trypanosome Infection ◽  
Glossina Fuscipes Fuscipes ◽  
Sub Saharan ◽  
Western Uganda

AbstractTsetse flies (Glossina spp.) are vectors of parasitic trypanosomes, which cause human (HAT) and animal African trypanosomiasis (AAT) in sub-Saharan Africa. In Uganda, Glossina fuscipes fuscipes (Gff) is the main vector of HAT, where it transmits Gambiense disease in the northwest and Rhodesiense disease in central, southeast and western regions. Endosymbionts can influence transmission efficiency of parasites through their insect vectors via conferring a protective effect against the parasite. It is known that the bacterium Spiroplasma is capable of protecting its Drosophila host from infection with a parasitic nematode. This endosymbiont can also impact its host’s population structure via altering host reproductive traits. Here, we used field collections across 26 different Gff sampling sites in northern and western Uganda to investigate the association of Spiroplasma with geographic origin, seasonal conditions, Gff genetic background and sex, and trypanosome infection status. We also investigated the influence of Spiroplasma on Gff vector competence to trypanosome infections under laboratory conditions.Generalized linear models (GLM) showed that Spiroplasma probability was correlated with the geographic origin of Gff host and with the season of collection, with higher prevalence found in flies within the Albert Nile (0.42 vs 0.16) and Achwa River (0.36 vs 0.08) watersheds and with higher prevalence detected in flies collected in the intermediate than wet season. In contrast, there was no significant correlation of Spiroplasma prevalence with Gff host genetic background or sex once geographic origin was accounted for in generalized linear models. Additionally, we found a potential negative correlation of Spiroplasma with trypanosome infection, with only 2% of Spiroplasma infected flies harboring trypanosome co-infections. We also found that in a laboratory line of Gff, parasitic trypanosomes are less likely to colonize the midgut in individuals that harbor Spiroplasma infection. These results indicate that Spiroplasma infections in tsetse may be maintained by not only maternal but also via horizontal transmission routes, and Spiroplasma infections may also have important effects on trypanosome transmission efficiency of the host tsetse. Potential functional effects of Spiroplasma infection in Gff could have impacts on vector control approaches to reduce trypanosome infections.Author SummaryWe investigated the association of symbiotic Spiroplasma with the tsetse fly host Glossina fuscipes fuscipes (Gff) to assess if Spiroplasma infections are correlated with Gff genetic background, geography, or season and its interaction with trypanosome parasites. We analyzed distribution and prevalence of Spiroplasma infections across different Gff sampling sites in northern and western Uganda, and found that the symbiont is unevenly distributed and infections have not reached fixation within these sampling sites. We tested for associations with geographic origin of the collections, seasonal environmental conditions at the time of collection, Gff host genetic background and sex, plus trypanosome co-infections. Spiroplasma prevalence was strongly correlated with geographic origin and seasonal environmental conditions. Our parasite infection data suggested a negative correlation of Spiroplasma with trypanosome infection, with only 5 out of 243 flies harboring trypanosome co-infections. We further investigated the influence of Spiroplasma on trypanosome parasite infections in the laboratory. We found that trypanosomes were less likely to establish an infection in Gff individuals that carried Spiroplasma infections. Our results provide new information on host-endosymbiont dynamics in an important human disease vector, and provide evidence that Spiroplasma may confer partial resistance to Gff trypanosome infections. These findings provide preliminary evidence that a symbiont-based control method could be successful in combating tsetse trypanosome transmission to humans and livestock in sub-Saharan Africa.

scholarly journals Genetic diversity and population structure of the tsetse fly Glossina fuscipes fuscipes (Diptera: Glossinidae) in Northern Uganda: Implications for vector control

2017 ◽  
Vol 11 (4) ◽  
pp. e0005485 ◽  
Author(s):  
Robert Opiro ◽  
Norah P. Saarman ◽  
Richard Echodu ◽  
Elizabeth A. Opiyo ◽  
Kirstin Dion ◽  
...  
Keyword(s):  
Genetic Diversity ◽  
Population Structure ◽  
Vector Control ◽  
Tsetse Fly ◽  
Northern Uganda ◽  
Glossina Fuscipes Fuscipes
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