Evolutionary Assembly of the Milkweed Fauna: Cytochrome Oxidase I and the Age of TetraopesBeetles

Farrell, Brian D.

doi:10.1006/mpev.2000.0888

Cited by 186 publications

(168 citation statements)

References 69 publications

(87 reference statements)

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“…We assumed the rates of evolution of 0.0075 and 0.012 substitutions/site/MY to cover the range of rates reported (Farrell, 2001;Juan et al, 1995) and used for Coleopteran COI region in the literature (Brower, 1994;Leys et al, 2003;Ribera and Vogler, 2004;Smith and Farrell, 2005). The rates estimated for the Coleopteran COI region, which is exactly the same region as used here, are based on pooled codon positions and a time range of 1-20 MY (Farrell, 2001;Juan et al, 1995). As the level of variability (Appendix B) and the evolutionary models suggested by Modeltest for the COI and Cytb regions were comparable, we pooled these two regions in the estimation of divergence times.…”

Section: Phylogenetic Analysesmentioning

confidence: 99%

An old adaptive radiation of forest dung beetles in Madagascar

Wirta

Orsini

Hanski

2008

Molecular Phylogenetics and Evolution

118

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a b s t r a c tAdaptive radiations of mammals have contributed to the exceptionally high levels of biodiversity and endemism in Madagascar. Here we examine the evolutionary history of the endemic dung beetle tribe Helictopleurini (Scarabaeidae) and its relationship to the widely distributed Oniticellini and Onthophagini. Helictopleurini species are dependent on mammals for their resources. We date the single origin of the tribe at 37 to 23 MY ago, indicating overseas colonization of Madagascar. The main radiation occurred concurrently with the main radiations of lemurs. The ancestors of Helictopleurini are inferred to have been coprophagous species inhabiting open habitats. Subsequent evolution has involved a shift into forests, changes in resource use to a more generalized diet, and changes in body size. Four species of the extant 65 species have shifted to use the dung of the recently introduced cattle in open habitats, allowing these species to greatly expand their geographical ranges.

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Section: Phylogenetic Analysesmentioning

confidence: 99%

An old adaptive radiation of forest dung beetles in Madagascar

Wirta

Orsini

Hanski

2008

Molecular Phylogenetics and Evolution

118

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“…Conventional wisdom is that two closely related plant species should be more likely to be susceptible to the same plant pathogens than would plants that are evolutionarily distant, because the morphological and chemical traits of plants that regulate interactions with pathogens are often phylogenetically conserved (15). Indeed, recent work has shown a strong phylogenetic signal in host range of herbivorous insects in tropical rain forest (16,17), and there is qualitative support for such a signal for fungal pathogens (7).…”

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confidence: 99%

Phylogenetic signal in plant pathogen–host range

Gilbert

Webb

2007

Proc. Natl. Acad. Sci. U.S.A.

645

712

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What determines which plant species are susceptible to a given plant pathogen is poorly understood. Experimental inoculations with fungal pathogens of plant leaves in a tropical rain forest show that most fungal pathogens are polyphagous but that most plant species in a local community are resistant to any given pathogen. The likelihood that a pathogen can infect two plant species decreases continuously with phylogenetic distance between the plants, even to ancient evolutionary distances. This phylogenetic signal in host range allows us to predict the likely host range of plant pathogens in a local community, providing an important tool for plant ecology, design of agronomic systems, quarantine regulations in international trade, and risk analysis of biological control agents. In particular, the results suggest that the rate of spread and ecological impacts of a disease through a natural plant community will depend strongly on the phylogenetic structure of the community itself and that current regulatory approaches strongly underestimate the local risks of global movement of plant pathogens or their hosts.fungal pathogen ͉ plant disease ecology ͉ tropical forest ͉ plant quarantine ͉ host specificity M ost species of plant pathogen can attack a broad diversity of plant species (1), but the number of plant species with which a pathogen interacts in a local community is generally much lower (2). However, we have limited abilities to predict which species within a plant assemblage are most likely to be susceptible to a particular pathogen. Existing databases of pathogen-host range (e.g., ref. 1) have limited value for quantitative assessments because they are based primarily on haphazard records of pathogens on economically important plants. More importantly, only plant species that are susceptible to particular pathogens were recorded but not which plants are resistant. Nevertheless, several economically and scientifically important issues require predicting the likely host range of plant pathogens. The idea of selectivity among local plant species underlies the theory for the role of natural enemies in the maintenance of plant diversity (3-5) and biological invasions (6, 7). Host selectivity is used in studying plant disease epidemics (8, 9), estimating fungal biodiversity (10), managing agriculture and forestry systems (11,12), and in risk analysis for global movement of plants and pathogens (13,14).Conventional wisdom is that two closely related plant species should be more likely to be susceptible to the same plant pathogens than would plants that are evolutionarily distant, because the morphological and chemical traits of plants that regulate interactions with pathogens are often phylogenetically conserved (15). Indeed, recent work has shown a strong phylogenetic signal in host range of herbivorous insects in tropical rain forest (16,17), and there is qualitative support for such a signal for fungal pathogens (7). The presumption of phylogenetic signal in host range often underlies important agronomic and econ...

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“…Th e present study aims at determining the taxonomic status of these populations through sequence comparison and phylogenetic analysis at mitochondrial loci documented for other South American populations (COI and COII). Th ese mitochondrial markers have been useful to diagnose and delimit species previously (Farrel 2001;Roe & Sperling 2007) and they have been employed in previous studies of phylogenetic relationships of Tephritidae (Smith-Caldas et al 2001;Alberti et al 2008).…”

mentioning

confidence: 99%

Phylogenetic relationships of Andean-Ecuadorian populations ofAnastrepha fraterculus(Wiedemann 1830) (Diptera: Tephritidae) inferred from COI and COII gene sequences

Ludeña

Bayas

Pintaud

2010

Annales de la Société entomologique de France (N.S.)

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Abstract. Phylogenetic relationships among Andean-Ecuadorian and other Neotropical populations ofAnastrepha fraterculus and related species have been studied using two regions of mtDNA : 405 base pairs within Cytochrome Oxidase I ( COI) and 224 base pairs within Cytochrome Oxidase II (COII). Phylogenetic relationships were inferred using Maximun Parsimony (MP) method and haplotype networks. Andean-Ecuadorian populations of A. fraterculus are monomorphic at the COI locus and fall within a clade of South-American lowland populations of A. fraterculus. They appear to be unrelated with populations of northern Andes of Colombia and Venezuela also assigned to A. fraterculus, meaning that this species, as currently circumscribed, is not monophyletic and is composed of different biological entities that are little differentiated morphologically. At the COII locus, AndeanEcuadorian populations of A. fraterculus show a major haplotype with a few variants, and form a clade with the lowland populations of southern Brazil an Argentina, but are clearly differentiated from them. Andean-Ecuadorian populations of Anastrepha fraterculus appear to be homogeneous with respect to their mitochondrial genome and thus their identity as members of a single gene pool is confi rmed by these results. Résumé. Relations phylogénétiques entres les populations des Andes d'Equateur d'Anastrepha

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Evolutionary Assembly of the Milkweed Fauna: Cytochrome Oxidase I and the Age of TetraopesBeetles

Cited by 186 publications

References 69 publications

An old adaptive radiation of forest dung beetles in Madagascar

An old adaptive radiation of forest dung beetles in Madagascar

Phylogenetic signal in plant pathogen–host range

Phylogenetic relationships of Andean-Ecuadorian populations ofAnastrepha fraterculus(Wiedemann 1830) (Diptera: Tephritidae) inferred from COI and COII gene sequences

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