2003
DOI: 10.1046/j.1095-8312.2003.00176.x
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Heritable genetic variation and potential for adaptive evolution in asexual aphids (Aphidoidea)

Abstract: Aphid life cycles can encompass cyclical parthenogenesis, obligate parthenogenesis, obligate parthenogenesis with male production and an intermediate ‘bet‐hedging’ strategy where an aphid genotype will over‐winter by continuing to reproduce by parthenogenesis and by investment in sexually produced eggs. In this paper, we focus on aphid lineages that reproduce entirely parthenogenetically (asexual aphids), in contrast to those that have any sexual forms in the annual cycle. Using modern molecular techniques, ap… Show more

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Cited by 98 publications
(108 citation statements)
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References 127 publications
(184 reference statements)
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“…Nevertheless, a variety of studies have found evidence for evolution and adaptation occurring in a surprisingly effective manner in asexual populations (eg Parker, 1979a;Williamson, 1981;Glazier, 1992;Christensen et al, 1992;Toline and Lynch, 1994;Andrade and Roitberg, 1995;Sunnucks et al, 1998;Weeks and Hoffman, 1998;Wilson et al, 1999Wilson et al, , 2003. These works cite such evidence as diverse and closely adapted clonal arrays (eg Parker, 1979a-c;Weeks and Hoffman, 1998;Wilson et al, 1999), natural clonal assemblages shown to have high (comparable to sexual) heritabilities for life history, morphological, and fitness-related traits (Stratton, 1991(Stratton, , 1992, and parthenogenetic genotypes that seem to outcompete sympatric sexual forms (eg Browne, 1992;Christensen et al, 1992;Weeks and Hoffman, 1998).…”
Section: Conversion With Physical Limits On Recombination Chromosomalmentioning
confidence: 99%
“…Nevertheless, a variety of studies have found evidence for evolution and adaptation occurring in a surprisingly effective manner in asexual populations (eg Parker, 1979a;Williamson, 1981;Glazier, 1992;Christensen et al, 1992;Toline and Lynch, 1994;Andrade and Roitberg, 1995;Sunnucks et al, 1998;Weeks and Hoffman, 1998;Wilson et al, 1999Wilson et al, , 2003. These works cite such evidence as diverse and closely adapted clonal arrays (eg Parker, 1979a-c;Weeks and Hoffman, 1998;Wilson et al, 1999), natural clonal assemblages shown to have high (comparable to sexual) heritabilities for life history, morphological, and fitness-related traits (Stratton, 1991(Stratton, , 1992, and parthenogenetic genotypes that seem to outcompete sympatric sexual forms (eg Browne, 1992;Christensen et al, 1992;Weeks and Hoffman, 1998).…”
Section: Conversion With Physical Limits On Recombination Chromosomalmentioning
confidence: 99%
“…Congruence with the diversification beginning some 16,000 years ago would imply a mutation rate on the order of 10 Ϫ5 per locus per year, roughly 10 Ϫ6 per locus per generation of pea aphids, corresponding to laboratory measures of microsatellite mutation rates in other insects (33). Mutation rates of microsatellites in aphids have not yet been estimated (34).…”
Section: Most Pea Aphid Biotypes Are Associated With Distinct Buchnermentioning
confidence: 99%
“…Besides nematodes, a wide range of other asexual taxa have been shown to undergo rapid genetic changes, including, among others, crustaceans (Schö n et al, 2003) and insects (Wilson et al, 2003).…”
Section: Putative Mechanisms Of Genome Evolution In Parthenogenetic Rknmentioning
confidence: 99%