Molecular phylogeny of the subgenus Ceratotropis (genus Vigna, Leguminosae) reveals three eco-geographical groups and Late Pliocene–Pleistocene diversification: evidence from four plastid DNA region sequences

Javadi, Firouzeh; Tun, Ye Tun; Kawase, Makoto; Guan, Kang; Yamaguchi, Hirofumi

doi:10.1093/aob/mcr141

Cited by 36 publications

(36 citation statements)

References 68 publications

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“…One was found to be closely related to diploid V. trinervia (Fig. 3), in agreement with previous chloroplast results32 and suggesting that V. trinervia or a close ally was the maternal progenitor of the allopolyploid. A maximum date for the polyploidy event of 0.09 MYA is given by the divergence between these two OTUs.…”

Section: Resultssupporting

confidence: 91%

“…Asian Vigna species (subgenus Ceratotropis) are morphologically and physiologically diverse, consistent with their distribution across South, Southeast and East Asia, extending from tropical regions to the Himalayan highlands32. Subgenus Ceratotropis has been divided into three taxonomic groups (Angulares, Ceratotropis and Aconitifoliae) based on its morphological characters such as seedling germination, floral size and growth habit30.…”

Section: Resultsmentioning

confidence: 93%

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Genome sequence of mungbean and insights into evolution within Vigna species

et al. 2014

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Mungbean (Vigna radiata) is a fast-growing, warm-season legume crop that is primarily cultivated in developing countries of Asia. Here we construct a draft genome sequence of mungbean to facilitate genome research into the subgenus Ceratotropis, which includes several important dietary legumes in Asia, and to enable a better understanding of the evolution of leguminous species. Based on the de novo assembly of additional wild mungbean species, the divergence of what was eventually domesticated and the sampled wild mungbean species appears to have predated domestication. Moreover, the de novo assembly of a tetraploid Vigna species (V. reflexo-pilosa var. glabra) provides genomic evidence of a recent allopolyploid event. The species tree is constructed using de novo RNA-seq assemblies of 22 accessions of 18 Vigna species and protein sets of Glycine max. The present assembly of V. radiata var. radiata will facilitate genome research and accelerate molecular breeding of the subgenus Ceratotropis.

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Section: Resultssupporting

confidence: 91%

Section: Resultsmentioning

confidence: 93%

Genome sequence of mungbean and insights into evolution within Vigna species

et al. 2014

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“…For all three Þtness components, the initial disparity in performance between the ancestral and novel hosts was less for the Asian population than for the African population, perhaps because adzuki bean is more closely related to mung bean than to cowpea (Javadi et al 2011). For two of the traits, however, the response to selection was clearly stronger in the African population.…”

Section: Discussionmentioning

confidence: 92%

“…Given the circumstances of their original collection and subsequent laboratory maintenance, it is likely that neither population has encountered adzuki bean as a potential grain-legume host. Like mung bean, adzuki bean is a member of the Asian subgenus, Ceratropis, whereas cowpea is a member of the African subgenus, Vigna (Javadi et al 2011). Thus, adzuki bean is more closely related to the ancestral host of the Asian beetle population than to that of the African population.…”

mentioning

confidence: 99%

Adaptation to a Novel Host by a Seed Beetle (Coleoptera: Chrysomelidae: Bruchinae): Effect of Source Population

Messina

Durham

2013

Environ Entomol

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Geographic populations of a widespread species can differ in their ability to adapt to a novel environment because they possess different amounts of the requisite genetic variation. We compared responses to the same novel host in ecologically and genetically divergent populations of the seed beetle Callosobruchus maculatus (F.). Populations from Africa and Asia had been derived from and maintained on different legume hosts. In preselection assays, both populations exhibited lower survival, slower development, and smaller size on a third host (adzuki bean), and the difference in performance between the ancestral and novel hosts was especially high for the African population. Replicate lines of each population were switched to adzuki bean or maintained on the ancestral host, and beetle performance was measured on both hosts after 12 generations. Survival on adzuki bean increased substantially in the adzuki-bean lines of the African population, but improved only slightly in the Asian lines. Similarly, only the African adzuki-bean lines exhibited significantly faster development on adzuki bean. Improved performance on adzuki bean did not simultaneously reduce performance on the ancestral host. Together with previous studies, these results confirm that populations of C. maculatus often possess sufficient standing genetic variation for rapid adaptation to a novel host, but the magnitude of the response may depend on the source population. Although international trade in grain legumes can expand beetle host ranges and produce unusual biotypes, the consistent absence of strong genetic trade-offs in larval performance or adult oviposition across hosts makes it unlikely that this insect would form distinct host races.

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“…The sectional classification of subgenus Ceratotropis was confirmed by several researchers (Jaaska and Jaaska, 1990;Kaga et al, 1996;Doi et al, 2002;Konarev et al, 2002;Tomooka et al, 2002aTomooka et al, , 2002bSaini et al, 2008). Moreover, morphological studies and molecular approaches have been used efficiently for the taxonomy of the subgenus Ceratotropis (Verdcourt, 1970;Maréchal et al, 1978;Egawa and Tomooka, 1994;Lawn, 1995;Tateishi, 1996;Doi et al, 2002;Goel et al, 2002;Tateishi and Maxted, 2002;Tomooka et al, 2002b;Bisht et al, 2005;Tun and Yamaguchi, 2007;Saini et al, 2008;Saini and Jawali, 2009;Vir et al, 2010;Dixit et al, 2011;Javadi et al, 2011;Aitawade et al, 2012;Latha et al, 2014;Yadav et al, 2014).…”

Section: Introductionmentioning

confidence: 91%