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Functional rare males in diploid parthenogenetic Artemia

Maccari, M.; Gómez, A.; Hontoria, F.; Amat, F.


M. Maccari

F. Hontoria

F. Amat


Functional males that are produced occasionally in some asexual taxa - called 'rare males' - raise considerable evolutionary interest, as they might be involved in the origin of new parthenogenetic lineages. Diploid parthenogenetic Artemia produce rare males, which may retain the ability to mate with females of related sexual lineages. Here, we (i) describe the frequency of male progeny in populations of diploid parthenogenetic Artemia, (ii) characterize rare males morphologically, (iii) assess their reproductive role, using cross-mating experiments with sexual females of related species from Central Asia and characterize the F1 hybrid offspring viability and (iv) confirm genetically both the identity and functionality of rare males using DNA barcoding and microsatellite loci. Our result suggests that these males may have an evolutionary role through genetic exchange with related sexual species and that diploid parthenogenetic Artemia is a good model system to investigate the evolutionary transitions between sexual species and parthenogenetic strains. © 2013 European Society For Evolutionary Biology.


Maccari, M., Gómez, A., Hontoria, F., & Amat, F. (2013). Functional rare males in diploid parthenogenetic Artemia. Journal of evolutionary biology, 26(9), 1934-1948.

Journal Article Type Article
Acceptance Date Apr 29, 2013
Online Publication Date Jul 10, 2013
Publication Date Sep 1, 2013
Print ISSN 1010-061X
Electronic ISSN 1420-9101
Publisher Wiley
Peer Reviewed Peer Reviewed
Volume 26
Issue 9
Pages 1934-1948
Keywords Artemia; asexuality; barcoding; evolution of sex; hybridization; microsatellites; parthenogenesis
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