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Spread of a new parasitic B chromosome variant is facilitated by high gene flow.
PLoS One. 2013; 8(12):e83712.Plos

Abstract

The B24 chromosome variant emerged several decades ago in a Spanish population of the grasshopper Eyprepocnemis plorans and is currently reaching adjacent populations. Here we report, for the first time, how a parasitic B chromosome (a strictly vertically transmitted parasite) expands its geographical range aided by high gene flow in the host species. For six years we analyzed B frequency in several populations to the east and west of the original population and found extensive spatial variation, but only a slight temporal trend. The highest B24 frequency was found in its original population (Torrox) and it decreased closer to both the eastern and the western populations. The analysis of Inter Simple Sequence Repeat (ISSR) markers showed the existence of a low but significant degree of population subdivision, as well as significant isolation by distance (IBD). Pairwise Nem estimates suggested the existence of high gene flow between the four populations located in the Torrox area, with higher values towards the east. No significant barriers to gene flow were found among these four populations, and we conclude that high gene flow is facilitating B24 diffusion both eastward and westward, with minor role for B24 drive due to the arrival of drive suppressor genes which are also frequent in the donor population.

Authors+Show Affiliations

Departamento de Genética, Facultad de Ciencias, Universidad de Granada, Granada, Spain ; Departamento de Células Troncales, Centro Andaluz de Biología Molecular y Medicina Regenerativa (CABIMER), Sevilla, Spain.Departamento de Genética, Facultad de Ciencias, Universidad de Granada, Granada, Spain.Departamento de Genética, Facultad de Ciencias, Universidad de Granada, Granada, Spain.Departamento de Genética, Facultad de Ciencias, Universidad de Granada, Granada, Spain.Departamento de Genética, Facultad de Ciencias, Universidad de Granada, Granada, Spain.

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

24386259

Citation

Manrique-Poyato, María Inmaculada, et al. "Spread of a New Parasitic B Chromosome Variant Is Facilitated By High Gene Flow." PloS One, vol. 8, no. 12, 2013, pp. e83712.
Manrique-Poyato MI, López-León MD, Cabrero J, et al. Spread of a new parasitic B chromosome variant is facilitated by high gene flow. PLoS One. 2013;8(12):e83712.
Manrique-Poyato, M. I., López-León, M. D., Cabrero, J., Perfectti, F., & Camacho, J. P. (2013). Spread of a new parasitic B chromosome variant is facilitated by high gene flow. PloS One, 8(12), e83712. https://doi.org/10.1371/journal.pone.0083712
Manrique-Poyato MI, et al. Spread of a New Parasitic B Chromosome Variant Is Facilitated By High Gene Flow. PLoS One. 2013;8(12):e83712. PubMed PMID: 24386259.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Spread of a new parasitic B chromosome variant is facilitated by high gene flow. AU - Manrique-Poyato,María Inmaculada, AU - López-León,María Dolores, AU - Cabrero,Josefa, AU - Perfectti,Francisco, AU - Camacho,Juan Pedro M, Y1 - 2013/12/26/ PY - 2013/09/11/received PY - 2013/11/13/accepted PY - 2014/1/4/entrez PY - 2014/1/5/pubmed PY - 2014/9/17/medline SP - e83712 EP - e83712 JF - PloS one JO - PLoS One VL - 8 IS - 12 N2 - The B24 chromosome variant emerged several decades ago in a Spanish population of the grasshopper Eyprepocnemis plorans and is currently reaching adjacent populations. Here we report, for the first time, how a parasitic B chromosome (a strictly vertically transmitted parasite) expands its geographical range aided by high gene flow in the host species. For six years we analyzed B frequency in several populations to the east and west of the original population and found extensive spatial variation, but only a slight temporal trend. The highest B24 frequency was found in its original population (Torrox) and it decreased closer to both the eastern and the western populations. The analysis of Inter Simple Sequence Repeat (ISSR) markers showed the existence of a low but significant degree of population subdivision, as well as significant isolation by distance (IBD). Pairwise Nem estimates suggested the existence of high gene flow between the four populations located in the Torrox area, with higher values towards the east. No significant barriers to gene flow were found among these four populations, and we conclude that high gene flow is facilitating B24 diffusion both eastward and westward, with minor role for B24 drive due to the arrival of drive suppressor genes which are also frequent in the donor population. SN - 1932-6203 UR - https://www.unboundmedicine.com/medline/citation/24386259/Spread_of_a_new_parasitic_B_chromosome_variant_is_facilitated_by_high_gene_flow_ L2 - https://dx.plos.org/10.1371/journal.pone.0083712 DB - PRIME DP - Unbound Medicine ER -