Micro- and minisatellite-expressed sequence tag (EST) markers discriminate between populations of Rhipicephalus appendiculatus
Biological differences, including vector competence for the protozoan parasite Theileria parva have been reported among populations of Rhipicephalus appendiculatus (Acari: Ixodidae) from different geographic regions. However, the genetic diversity and population structure of this important tick vect...
| Autores principales: | , , , , , , , , , , |
|---|---|
| Formato: | Journal Article |
| Lenguaje: | Inglés |
| Publicado: |
Elsevier
2012
|
| Materias: | |
| Acceso en línea: | https://hdl.handle.net/10568/21214 |
| _version_ | 1855539418959446016 |
|---|---|
| author | Kanduma, Esther G. Mwacharo, Joram M. Sunter, J.D. Nzuk, I. Mwaura, S. Kinyanjui, P.W. Kibe, M. Heyne, H. Hanotte, Olivier H. Skilton, Robert A. Bishop, Richard P. |
| author_browse | Bishop, Richard P. Hanotte, Olivier H. Heyne, H. Kanduma, Esther G. Kibe, M. Kinyanjui, P.W. Mwacharo, Joram M. Mwaura, S. Nzuk, I. Skilton, Robert A. Sunter, J.D. |
| author_facet | Kanduma, Esther G. Mwacharo, Joram M. Sunter, J.D. Nzuk, I. Mwaura, S. Kinyanjui, P.W. Kibe, M. Heyne, H. Hanotte, Olivier H. Skilton, Robert A. Bishop, Richard P. |
| author_sort | Kanduma, Esther G. |
| collection | Repository of Agricultural Research Outputs (CGSpace) |
| description | Biological differences, including vector competence for the protozoan parasite Theileria parva have been reported among populations of Rhipicephalus appendiculatus (Acari: Ixodidae) from different geographic regions. However, the genetic diversity and population structure of this important tick vector remain unknown due to the absence of appropriate genetic markers. Here, we describe the development and evaluation of a panel of EST micro- and minisatellite markers to characterize the genetic diversity within and between populations of R. appendiculatus and other rhipicephaline species. Sixty-six micro- and minisatellite markers were identified through analysis of the R. appendiculatus Gene Index (RaGI) EST database and selected bacterial artificial chromosome (BAC) sequences. These were used to genotype 979 individual ticks from 10 field populations, 10 laboratory-bred stocks, and 5 additional Rhipicephalus species. Twenty-nine markers were polymorphic and therefore informative for genetic studies while 6 were monomorphic. Primers designed from the remaining 31 loci did not reliably generate amplicons. The 29 polymorphic markers discriminated populations of R. appendiculatus and also 4 other Rhipicephalus species, but not R. zambeziensis. The percentage Principal Component Analysis (PCA) implemented using Multiple Co-inertia Analysis (MCoA) clustered populations of R. appendiculatus into 2 groups. Individual markers however differed in their ability to generate the reference typology using the MCoA approach. This indicates that different panels of markers may be required for different applications. The 29 informative polymorphic micro- and minisatellite markers are the first available tools for the analysis of the phylogeography and population genetics of R. appendiculatus. |
| format | Journal Article |
| id | CGSpace21214 |
| institution | CGIAR Consortium |
| language | Inglés |
| publishDate | 2012 |
| publishDateRange | 2012 |
| publishDateSort | 2012 |
| publisher | Elsevier |
| publisherStr | Elsevier |
| record_format | dspace |
| spelling | CGSpace212142025-06-13T04:20:22Z Micro- and minisatellite-expressed sequence tag (EST) markers discriminate between populations of Rhipicephalus appendiculatus Kanduma, Esther G. Mwacharo, Joram M. Sunter, J.D. Nzuk, I. Mwaura, S. Kinyanjui, P.W. Kibe, M. Heyne, H. Hanotte, Olivier H. Skilton, Robert A. Bishop, Richard P. ticks parasites Biological differences, including vector competence for the protozoan parasite Theileria parva have been reported among populations of Rhipicephalus appendiculatus (Acari: Ixodidae) from different geographic regions. However, the genetic diversity and population structure of this important tick vector remain unknown due to the absence of appropriate genetic markers. Here, we describe the development and evaluation of a panel of EST micro- and minisatellite markers to characterize the genetic diversity within and between populations of R. appendiculatus and other rhipicephaline species. Sixty-six micro- and minisatellite markers were identified through analysis of the R. appendiculatus Gene Index (RaGI) EST database and selected bacterial artificial chromosome (BAC) sequences. These were used to genotype 979 individual ticks from 10 field populations, 10 laboratory-bred stocks, and 5 additional Rhipicephalus species. Twenty-nine markers were polymorphic and therefore informative for genetic studies while 6 were monomorphic. Primers designed from the remaining 31 loci did not reliably generate amplicons. The 29 polymorphic markers discriminated populations of R. appendiculatus and also 4 other Rhipicephalus species, but not R. zambeziensis. The percentage Principal Component Analysis (PCA) implemented using Multiple Co-inertia Analysis (MCoA) clustered populations of R. appendiculatus into 2 groups. Individual markers however differed in their ability to generate the reference typology using the MCoA approach. This indicates that different panels of markers may be required for different applications. The 29 informative polymorphic micro- and minisatellite markers are the first available tools for the analysis of the phylogeography and population genetics of R. appendiculatus. 2012-06 2012-07-19T14:16:30Z 2012-07-19T14:16:30Z Journal Article https://hdl.handle.net/10568/21214 en Limited Access Elsevier Kanduma, E.G., Mwacharo, J.M., Sunter, J.D., Nzuki, I., Mwaura, S., Kinyanjui, P.W., Kibe, M., Heyne, H., Hanotte, O., Skilton, R.A. and Bishop, R.P. 2012. Micro- and minisatellite-expressed sequence tag (EST) markers discriminate between populations of Rhipicephalus appendiculatus. Ticks and Tick-borne Diseases 3(3):128-136. |
| spellingShingle | ticks parasites Kanduma, Esther G. Mwacharo, Joram M. Sunter, J.D. Nzuk, I. Mwaura, S. Kinyanjui, P.W. Kibe, M. Heyne, H. Hanotte, Olivier H. Skilton, Robert A. Bishop, Richard P. Micro- and minisatellite-expressed sequence tag (EST) markers discriminate between populations of Rhipicephalus appendiculatus |
| title | Micro- and minisatellite-expressed sequence tag (EST) markers discriminate between populations of Rhipicephalus appendiculatus |
| title_full | Micro- and minisatellite-expressed sequence tag (EST) markers discriminate between populations of Rhipicephalus appendiculatus |
| title_fullStr | Micro- and minisatellite-expressed sequence tag (EST) markers discriminate between populations of Rhipicephalus appendiculatus |
| title_full_unstemmed | Micro- and minisatellite-expressed sequence tag (EST) markers discriminate between populations of Rhipicephalus appendiculatus |
| title_short | Micro- and minisatellite-expressed sequence tag (EST) markers discriminate between populations of Rhipicephalus appendiculatus |
| title_sort | micro and minisatellite expressed sequence tag est markers discriminate between populations of rhipicephalus appendiculatus |
| topic | ticks parasites |
| url | https://hdl.handle.net/10568/21214 |
| work_keys_str_mv | AT kandumaestherg microandminisatelliteexpressedsequencetagestmarkersdiscriminatebetweenpopulationsofrhipicephalusappendiculatus AT mwacharojoramm microandminisatelliteexpressedsequencetagestmarkersdiscriminatebetweenpopulationsofrhipicephalusappendiculatus AT sunterjd microandminisatelliteexpressedsequencetagestmarkersdiscriminatebetweenpopulationsofrhipicephalusappendiculatus AT nzuki microandminisatelliteexpressedsequencetagestmarkersdiscriminatebetweenpopulationsofrhipicephalusappendiculatus AT mwauras microandminisatelliteexpressedsequencetagestmarkersdiscriminatebetweenpopulationsofrhipicephalusappendiculatus AT kinyanjuipw microandminisatelliteexpressedsequencetagestmarkersdiscriminatebetweenpopulationsofrhipicephalusappendiculatus AT kibem microandminisatelliteexpressedsequencetagestmarkersdiscriminatebetweenpopulationsofrhipicephalusappendiculatus AT heyneh microandminisatelliteexpressedsequencetagestmarkersdiscriminatebetweenpopulationsofrhipicephalusappendiculatus AT hanotteolivierh microandminisatelliteexpressedsequencetagestmarkersdiscriminatebetweenpopulationsofrhipicephalusappendiculatus AT skiltonroberta microandminisatelliteexpressedsequencetagestmarkersdiscriminatebetweenpopulationsofrhipicephalusappendiculatus AT bishoprichardp microandminisatelliteexpressedsequencetagestmarkersdiscriminatebetweenpopulationsofrhipicephalusappendiculatus |