Phylogenetic Utility of Histone H3 Intron Sequences in the Perennial Relatives of Soybean (Glycine:Leguminosae)

Doyle, Jeff J.; Kanazin, Vladimir; Shoemaker, Randy C.

doi:10.1006/mpev.1996.0092

Cited by 49 publications

(41 citation statements)

References 37 publications

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“…Although the basis of its unusual crossing behavior is unknown, one possibility is that high rates of selfing have led to the fixation of deleterious alleles in G. falcata, contributing to the expression of heterosis in interspecific crosses and obscuring the expression of reproductive isolation at postpollination prezygotic stages. Regardless, it is clear that this species exhibits novel crossing behavior that, along with its many other unique traits (Doyle et al 1996), might be the product of unusual evolutionary mechanisms or forces.…”

Section: Relationship Between Reproductive Isolation and Genetic Distmentioning

confidence: 99%

Patterns of Reproductive Isolation in Three Angiosperm Genera

2004

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Abstract. Analyses among animal species have found that reproductive isolation increases monotonically with genetic distance, evolves more quickly for prezygotic than postzygotic traits, and is stronger among sympatric than allopatric species pairs. The latter pattern is consistent with expectations under the reinforcement hypothesis. To determine whether similar trends are found among plant species, patterns of reproductive isolation (postpollination prezygotic, postzygotic, and ''total'' isolation) in three plant genera (Glycine, Silene, Streptanthus) were examined using data from previously published artificial hybridization experiments. In Silene, all measures of reproductive isolation were positively correlated with genetic distance. In contrast, in Glycine and Streptanthus, correlations between reproductive isolation and genetic distance were weak or nonsignificant, possibly due to the influence of biologically unusual taxa, variable evolutionary forces acting in different lineages, or insufficient time to accumulate reproductive isolation. There was no evidence that postpollination prezygotic reproductive isolation evolved faster than postzygotic isolation in Glycine or Silene. We also detected no evidence for faster accumulation of postmating prezygotic isolation between sympatric than allopatric species pairs; thus we found no evidence for the operation of speciation via reinforcement. In Silene, which included six polyploid species, results suggest that changes in ploidy disrupt a simple monotonic relationship between isolation and genetic distance.

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Section: Relationship Between Reproductive Isolation and Genetic Distmentioning

confidence: 99%

Patterns of Reproductive Isolation in Three Angiosperm Genera

2004

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“…Table 2. Doyle et al 1996 this study Doyle et al 1996Kanazin et al 1996 1 Lowercase letters represent intron nucleotides.…”

Section: Dna Extraction Pcr Amplification and Sequencingmentioning

confidence: 99%

“…Sequencing was conducted using the primers H3D61 and H3D553r, the latter also being specific to the single copy H3-D histone, spanning the junction between intron 3 and exon 4 (Doyle et al 1996;Doyle et al 1999b; Fig.1, Table 2). Cycle sequencing was performed using the BigDye terminator chemistry (Applied Biosystems, Foster City, CA), and sequenced products were run on an ABI 310 automated sequencer (Applied Biosystems).…”

Section: Dna Extraction Pcr Amplification and Sequencingmentioning

confidence: 99%

“…The histone H3-D was amplified with two primers: H3D61, which is specific to the histone H3-D locus spanning the exon 1 and intron 1 boundary (Doyle et al 1996;Doyle et al 1999b), and KV-13 which is complementary to a highly conserved region of exon 4 ; Fig. 1, Table 2).…”

Section: Dna Extraction Pcr Amplification and Sequencingmentioning

confidence: 99%

“…The nuclear encoded H3-D histone gene is a good candidate for investigating these questions given that it possesses three variable introns and that it is in single copy in Glycine (Doyle et al 1996), a close relative of A. americana in the papilionoid tribe Phaseoleae (Kajita et al 2001). This locus has proved useful for showing multiple polyploid origins in Glycine (Doyle et al 1999a;Doyle et al 2002), and for resolving species relationships in the genus Acacia (Miller and Bayer 2000), another member of the Leguminosae (subfamily Mimosoideae).…”

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Evolution of Triploidy in Apios Americana (Leguminosae) Revealed by Genealogical Analysis of the Histone H3-D Gene

Joly

Bruneau

2004

Evolution

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Abstract. Autotriploidy is normally considered to be maladaptive in plants because of its association with high levels of sterility. Nonetheless, triploid individuals are found in many plant species and play important roles in plant evolution, in particular as a first step toward tetraploid formation. However, few studies have addressed the evolutionary potential of triploid lineages, which may principally suffer from the impossibility of combining useful mutations in a single genome due to their low fertility. Therefore, triploids acquire genetic diversity only via recurrent evolution and somaclonal mutation. This study evaluates the potential of multiple origins of polyploidy as a source of genetic diversity in Apios americana, a North American legume that possesses both diploid and triploid populations. Ploidy level determination via flow cytometry shows that triploids are mainly restricted to the portion of eastern North America that was covered by ice during the Wisconsinan glaciation 18,000 years ago. This distribution implies that either selection or postglaciation colonization played a role in shaping this cytogeographic pattern. A haplotype network of the single copy nuclear histone H3-D gene reconstructed using statistical parsimony, together with single-strand conformational polymorphism analysis, shows that autotriploidy evolved at least three times in this species and that heterozygosity is high in triploids. The genetic diversity found in A. americana resulting from recurrent evolution and fixed heterozygosity increases the likelihood of producing successful genotypes and may give the opportunity for triploids to be better fit than diploids in new habitats. This suggests that triploid lineages can exhibit evolutionary potential of their own, and do not serve solely as a first step toward tetraploid formation.

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Potential Phylogenetic Utility of the Low-Copy Nuclear Gene pistillata in Dicotyledonous Plants: Comparison to nrDNA ITS and trnL Intron in Sphaerocardamum and Other Brassicaceae

Bailey

Doyle

1999

Molecular Phylogenetics and Evolution

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Phylogenetic Utility of Histone H3 Intron Sequences in the Perennial Relatives of Soybean (Glycine:Leguminosae)

Cited by 49 publications

References 37 publications

Patterns of Reproductive Isolation in Three Angiosperm Genera

Patterns of Reproductive Isolation in Three Angiosperm Genera

Evolution of Triploidy in Apios Americana (Leguminosae) Revealed by Genealogical Analysis of the Histone H3-D Gene

Potential Phylogenetic Utility of the Low-Copy Nuclear Gene pistillata in Dicotyledonous Plants: Comparison to nrDNA ITS and trnL Intron in Sphaerocardamum and Other Brassicaceae

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