NDLI: The B Chromosomes of the Grasshopper Eyprepocnemis Plorans and the Intragenomic Conflict

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The B Chromosomes of the Grasshopper Eyprepocnemis Plorans and the Intragenomic Conflict

Content Provider	Semantic Scholar
Author	Camacho, J. P. M. Cabrero, Josefa López-León, M. D. Bakkali, Mohammed Perfectti, Francisco
Copyright Year	2004
Abstract	The grasshopper Eyprepocnemis plorans harbours an extremely widespread polymorphism for supernumerary (B) chromosomes, which is found in almost all circum-Mediterranean and Caucasian populations hitherto analysed. B chromosomes in this species have been shown to evolve through several stages of parasitic and near-neutral nature, presumably because of an arms race between the standard (A) and B chromosomes. This intragenomic conflict can either be solved with the extinction of the neutralised B chromosome or, more interestingly, with the replacement of the neutralised B by a mutant version being parasitic again and thus prolonging B chromosome life. This species thus provides a complete view of the long-term life-cycle of parasitic B chromosomes.
Starting Page	77
Ending Page	84
Page Count	8
File Format	PDF HTM / HTML
DOI	10.1023/A:1022311320394
PubMed reference number	12656575
Journal	Medline
Volume Number	117
Alternate Webpage(s)	http://hera.ugr.es/doi/15010752.pdf
Alternate Webpage(s)	http://hera.ugr.es/doi/14981105.pdf
Alternate Webpage(s)	https://doi.org/10.1023/A%3A1022311320394
Journal	Genetica
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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