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Caught Red-Handed: Rc Encodes a Basic Helix-Loop-Helix Protein Conditioning Red Pericarp in Rice[W][OA]
- Megan T Sweeney, M. Thomson, B. Pfeil, S. Mccouch
- Biology, MedicineThe Plant Cell Online
- 6 January 2006
Phylogenetic analysis, supported by comparative mapping in rice and maize, showed that Rc, a positive regulator of proanthocyanidin, is orthologous with INTENSIFIER1, a negative regulator of anthocyanin production in maize, and is not in the same clade as rice bHLH anthocianin regulators.
A molecular phylogeny of the orange subfamily(Rutaceae: Aurantioideae) using nine cpDNA sequences.
- R. J. Bayer, D. Mabberley, +6 authors S. Sykes
- Biology, MedicineAmerican journal of botany
- 1 March 2009
The breeding of new, high-quality citrus cultivars depends on dependable information about the relationships of taxa within the tribe Citreae; therefore, it is important to have a well-supported…
Placing paleopolyploidy in relation to taxon divergence: a phylogenetic analysis in legumes using 39 gene families.
The results suggest that G. max and M. truncatula, along with approximately 7000 other legume species from the same clade, share an ancient round of gene duplications, either due to polyploidy or to some other process.
Relationships Among Phaseoloid Legumes Based on Sequences from Eight Chloroplast Regions
TrnL-F sequences from across a wide sample of phaseoloid legumes as well as seven additional chloroplast DNA loci analyzed separately and in combination provide support for many relationships generally consistent with, but only weakly supported, in earlier studies.
The reticulate history of Medicago (Fabaceae).
- I. Maureira-Butler, B. Pfeil, A. Muangprom, T. Osborn, J. Doyle
- Biology, MedicineSystematic biology
- 1 June 2008
The phylogenetic history of Medicago was examined for 60 accessions from 56 species using two nuclear genes (CNGC5 and beta-cop) and one mitochondrial region (rpS14-cob) to indicate that hybridization has been common and ongoing among lineages since the origin of MedChicago.
Phylogeny of Hibiscus and the Tribe Hibisceae (Malvaceae) Using Chloroplast DNA Sequences of ndhF and the rpl16 Intron
It is revealed that Hibiscus and Hibisceae may be defined by shared ancestral features, and thus are unlikely to be monophyletic groups, and the novel hypothesis that eastern Gondwana may be the centre of origin of the family is suggested.
Coalescent Simulations Reveal Hybridization and Incomplete Lineage Sorting in Mediterranean Linaria
This methodology is presented as a functional tool to disclose the evolutionary history of species complexes that have experienced both hybridization and incomplete lineage sorting, including the Quaternary-type climatic oscillations in the Mediterranean flora.
The age and biogeography of Citrus and the orange subfamily (Rutaceae: Aurantioideae) in Australasia and New Caledonia.
It is concluded that the Rutaceae crown diverged in the Eocene (36.4-56.8 Ma, mean 47.6), whereas the Aurantioideae crown originated in the early Miocene (12.1-28.2 Ma), suggesting that Gondwanan vicariance does not explain the distributions of extant Aurantiaideae.
Differential Accumulation of Retroelements and Diversification of NB-LRR Disease Resistance Genes in Duplicated Regions following Polyploidy in the Ancestor of Soybean1[W][OA]
- R. Innes, Carine Ameline-Torregrosa, +38 authors N. Young
- Biology, MedicinePlant Physiology
- 8 October 2008
Pericentromeric localization in soybean does not result in a high rate of gene inactivation, despite greatly accelerated retrotransposon accumulation, and nucleotide-binding-leucine-rich repeat disease resistance gene clusters have undergone dramatic species/homoeologue-specific duplications and losses.
Paralogy and orthology in the MALVACEAE rpb2 gene family: investigation of gene duplication in hibiscus.
- B. Pfeil, C. Brubaker, L. A. Craven, M. Crisp
- Biology, MedicineMolecular biology and evolution
- 1 July 2004
A sample of the second largest subunit of low-copy nuclear RNA polymerase II (rpb2) sequences from Malvaceae subfamily Malvoideae suggests that rpb2 has been duplicated early in the subfamily's history, and this gene may be suitable for the potential diagnosis of relatively old polyploid events.