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Causes of B chromosome variant substitution in the grasshopper Eyprepocnemis plorans.
Chromosome Res. 2006; 14(6):693-700.CR

Abstract

We have analysed B chromosome frequency for three consecutive years, B transmission rate at population and individual levels, clutch size, egg fertility and embryo-adult viability in a natural population of the grasshopper Eyprepocnemis plorans containing two different B chromosome variants, i.e. B(2) and B(24), the second being derived from the first and having replaced it in nearby populations. From 2002 to 2003 the relative frequency of both variants changed, although the differences did not reach significance. A mother-offspring analysis showed no significant effect of any of the two B variants on clutch size, egg fertility or embryo-adult viability, but B(24) was more efficiently transmitted than B(2) through males from the 2002 season, which explains the observed frequency change. Controlled crosses, at individual level, showed significant drive through some females for B(24) but not for B(2), suggesting that this difference in transmission rate might also be important for the substitution process. The analysis of relative fitness for B(2) and B(24) carriers for all fitness components, as a whole, showed a significantly better performance of B(24)-carrying individuals, suggesting that the cumulative effect of these slight differences might contribute to the replacement of B(2) by B(24).

Authors+Show Affiliations

Departamento de Genética, Facultad de Ciencias, Universidad de Granada, 18071 Granada, Spain.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

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

Language

eng

PubMed ID

16964576

Citation

Manrique-Poyato, M I., et al. "Causes of B Chromosome Variant Substitution in the Grasshopper Eyprepocnemis Plorans." Chromosome Research : an International Journal On the Molecular, Supramolecular and Evolutionary Aspects of Chromosome Biology, vol. 14, no. 6, 2006, pp. 693-700.
Manrique-Poyato MI, Muñoz-Pajares AJ, Loreto V, et al. Causes of B chromosome variant substitution in the grasshopper Eyprepocnemis plorans. Chromosome Res. 2006;14(6):693-700.
Manrique-Poyato, M. I., Muñoz-Pajares, A. J., Loreto, V., López-León, M. D., Cabrero, J., & Camacho, J. P. (2006). Causes of B chromosome variant substitution in the grasshopper Eyprepocnemis plorans. Chromosome Research : an International Journal On the Molecular, Supramolecular and Evolutionary Aspects of Chromosome Biology, 14(6), 693-700.
Manrique-Poyato MI, et al. Causes of B Chromosome Variant Substitution in the Grasshopper Eyprepocnemis Plorans. Chromosome Res. 2006;14(6):693-700. PubMed PMID: 16964576.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Causes of B chromosome variant substitution in the grasshopper Eyprepocnemis plorans. AU - Manrique-Poyato,M I, AU - Muñoz-Pajares,A J, AU - Loreto,V, AU - López-León,M D, AU - Cabrero,J, AU - Camacho,J P M, Y1 - 2006/09/14/ PY - 2006/06/06/received PY - 2006/06/30/accepted PY - 2006/06/30/revised PY - 2006/9/12/pubmed PY - 2006/12/12/medline PY - 2006/9/12/entrez SP - 693 EP - 700 JF - Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology JO - Chromosome Res. VL - 14 IS - 6 N2 - We have analysed B chromosome frequency for three consecutive years, B transmission rate at population and individual levels, clutch size, egg fertility and embryo-adult viability in a natural population of the grasshopper Eyprepocnemis plorans containing two different B chromosome variants, i.e. B(2) and B(24), the second being derived from the first and having replaced it in nearby populations. From 2002 to 2003 the relative frequency of both variants changed, although the differences did not reach significance. A mother-offspring analysis showed no significant effect of any of the two B variants on clutch size, egg fertility or embryo-adult viability, but B(24) was more efficiently transmitted than B(2) through males from the 2002 season, which explains the observed frequency change. Controlled crosses, at individual level, showed significant drive through some females for B(24) but not for B(2), suggesting that this difference in transmission rate might also be important for the substitution process. The analysis of relative fitness for B(2) and B(24) carriers for all fitness components, as a whole, showed a significantly better performance of B(24)-carrying individuals, suggesting that the cumulative effect of these slight differences might contribute to the replacement of B(2) by B(24). SN - 0967-3849 UR - https://www.unboundmedicine.com/medline/citation/16964576/Causes_of_B_chromosome_variant_substitution_in_the_grasshopper_Eyprepocnemis_plorans_ L2 - https://doi.org/10.1007/s10577-006-1081-2 DB - PRIME DP - Unbound Medicine ER -