Molecular phylogeny and diversification history of Prosopis (Fabaceae: Mimosoideae)
01 Mar 2008-Biological Journal of The Linnean Society (Blackwell Publishing Ltd)-Vol. 93, Iss: 3, pp 621-640
TL;DR: A combined approach including molecular phylogeny, molecular dating, and character optimization analysis was applied to study Prosopis diversification and evolution, suggesting that prosopis is not a natural group.
Abstract: The genus Prosopis is an important member of arid and semiarid environments around the world. To study Prosopis diversification and evolution, a combined approach including molecular phylogeny, molecular dating, and character optimization analysis was applied. Phylogenetic relationships were inferred from five different molecular markers (matK-trnK, trnL-trnF, trnS-psbC, G3pdh, NIA). Taxon sampling involved a total of 30 Prosopis species that represented all Sections and Series and the complete geographical range of the genus. The results suggest that Prosopis is not a natural group. Molecular dating analysis indicates that the divergence between Section Strombocarpa and Section Algarobia plus Section Monilicarpa occurred in the Oligocene, contrasting with a much recent diversification (Late Miocene) within each of these groups. The diversification of the group formed by species of Series Chilenses, Pallidae, and Ruscifoliae is inferred to have started in the Pliocene, showing a high diversification rate. The moment of diversification within the major lineages of American species of Prosopis is coincident with the spreading of arid areas in the Americas, suggesting a climatic control for diversification of the group. Optimization of habitat parameters suggests an ancient occupation of arid environments by Prosopis species. © 2008 The Linnean Society of London, Biological Journal of the Linnean Society, 2008, 93, 621–640.
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TL;DR: Using a hybrid phylogenomic approach, it is estimated that the cactus lineage diverged from its closest relatives ≈35 million years ago (Ma), however, major diversification events in cacti were more recent, with most species-rich clades originating in the late Miocene.
Abstract: The cacti are one of the most celebrated radiations of succulent plants. There has been much speculation about their age, but progress in dating cactus origins has been hindered by the lack of fossil data for cacti or their close relatives. Using a hybrid phylogenomic approach, we estimated that the cactus lineage diverged from its closest relatives ≈35 million years ago (Ma). However, major diversification events in cacti were more recent, with most species-rich clades originating in the late Miocene, ≈10-5 Ma. Diversification rates of several cactus lineages rival other estimates of extremely rapid speciation in plants. Major cactus radiations were contemporaneous with those of South African ice plants and North American agaves, revealing a simultaneous diversification of several of the world's major succulent plant lineages across multiple continents. This short geological time period also harbored the majority of origins of C(4) photosynthesis and the global rise of C(4) grasslands. A global expansion of arid environments during this time could have provided new ecological opportunity for both succulent and C(4) plant syndromes. Alternatively, recent work has identified a substantial decline in atmospheric CO(2) ≈15-8 Ma, which would have strongly favored C(4) evolution and expansion of C(4)-dominated grasslands. Lowered atmospheric CO(2) would also substantially exacerbate plant water stress in marginally arid environments, providing preadapted succulent plants with a sharp advantage in a broader set of ecological conditions and promoting their rapid diversification across the landscape.
398 citations
Université de Montréal1, Cornell University2, University of Zurich3, Royal Botanic Garden Edinburgh4, Royal Botanic Gardens5, Arizona State University6, University of the Western Cape7, University of Melbourne8, State University of Feira de Santana9, Australian National University10, East Carolina University11, International Trademark Association12, University of Reading13, Chiba University14, Montana State University15, University of Arizona16, Commonwealth Scientific and Industrial Research Organisation17, Tohoku University18, American Museum of Natural History19, Empresa Brasileira de Pesquisa Agropecuária20, Arizona State University at the Polytechnic campus21, New York Botanical Garden22, Wageningen University and Research Centre23
TL;DR: This work examines how the legume systematic research community might join forces to produce a comprehensive phylogenetic estimate for the Leguminosae, and examines how morphology can be incorporated into legume phylogeny to address issues in comparative biology and classification.
Abstract: The Leguminosae, the third-largest angiosperm family, has a global distribution and high ecological and economic importance We examine how the legume systematic research community might join forces to produce a comprehensive phylogenetic estimate for the ca 751 genera and ca 19,500 species of legumes and then translate it into a phylogeny-based classification We review the current state of knowledge of legume phylogeny and highlight where problems lie, for example in taxon sampling and phylogenetic resolution We review approaches from bioinformatics and next-generation sequencing, which can facilitate the production of better phylogenetic estimates Finally, we examine how morphology can be incorporated into legume phylogeny to address issues in comparative biology and classification Our goal is to stimulate the research needed to improve our knowledge of legume phylogeny and evolution; the approaches that we discuss may also be relevant to other species-rich angiosperm clades
316 citations
TL;DR: A molecular phylogenetic study of Acacia s.l and close relatives occurring in Africa was conducted using sequence data from matK/trnK, trnL-trnF and psbA-trNH with the aim of determining the placement of the African species in the new generic system.
221 citations
Cites result from "Molecular phylogeny and diversifica..."
...…with previous studies that demonstrated the nonmonophyly of all five traditionally recognized tribes (Clarke et al., 2000; Luckow, White & Bruneau, 2000; Miller et al., 2003; Lavin, Herendeen & Wojciechowski, 2005; Catalano et al., 2008; Bouchenak-Khelladi et al., 2010; Miller & Seigler, 2012)....
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...In general, the results are in line with previous studies that demonstrated the non-monophyly of all five traditionally recognized tribes (Clarke et al., 2000; Luckow, White & Bruneau, 2000; Miller et al., 2003; Lavin, Herendeen & Wojciechowski, 2005; Catalano et al., 2008; Bouchenak-Khelladi et al., 2010; Miller & Seigler, 2012)....
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TL;DR: In this article, the authors compare available phylogenetic studies and divergence time estimates for plant lineages that may have diversified in response to Andean orogeny, and show that high-elevation lineages originated and diversified during or after the major phases of Andean uplift (mid-Miocene to Pliocene).
Abstract: Andean orogeny is considered as one of the most important events for the developmentof current plant diversity in South America. We compare available phylogenetic studies anddivergence time estimates for plant lineages that may have diversified in response to Andeanorogeny. The influence of the Andes on plant diversification is separated into four major groups:The Andes as source of new high-elevation habitats, as a vicariant barrier, as a North-Southcorridor and as generator of new environmental conditions outside the Andes. Biogeographicalrelationships between the Andes and other regions are also considered. Divergence timeestimates indicate that high-elevation lineages originated and diversified during or after the majorphases of Andean uplift (Mid-Miocene to Pliocene), although there are some exceptions. Asexpected, Andean mid-elevation lineages tend to be older than high-elevation groups. Mostclades with disjunct distribution on both sides of the Andes diverged during Andean uplift.Inner-Andean clades also tend to have divergence time during or after Andean uplift. This isinterpreted as evidence of vicariance. Dispersal along the Andes has been shown to occur ineither direction, mostly dated after the Andean uplift. Divergence time estimates of plant groupsoutside the Andes encompass a wider range of ages, indicating that the Andes may not benecessarily the cause of these diversifications. The Andes are biogeographically related to allneighbouring areas, especially Central America, with floristic interchanges in both directionssince Early Miocene times. Direct biogeographical relationships between the Andes and otherdisjunct regions have also been shown in phylogenetic studies, especially with the easternBrazilian highlands and North America. The history of the Andean flora is complex and plantdiversification has been driven by a variety of processes, including environmental change,adaptation, and biotic interactions
221 citations
Cites background from "Molecular phylogeny and diversifica..."
...However, only few of them have been dated at the crown node of that relationship: Bomarea (∼5 Ma; Chacón et al., 2012), Asteriscium and Eremocharis (both ∼11 Ma; Nicolas and Plunkett, 2014), Oxalis (∼20 Ma; Heibl and Renner, 2012), Prosopis (∼1 Ma; Catalano et al., 2008), Solanum sect....
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TL;DR: In this article, the main events in the biotic diversification of the terrestrial Neotropical biota were identified using a cladistic biogeographical analysis, where 36 animal and plant taxa were analyzed, associating geographical data only with informative nodes.
169 citations
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