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A DNA barcode for land plants
- P. Hollingsworth, L. Forrest, D. Little
- BiologyProceedings of the National Academy of Sciences
- 4 August 2009
The 2-locus combination of rbcL+matK will provide a universal framework for the routine use of DNA sequence data to identify specimens and contribute toward the discovery of overlooked species of land plants.
bullwinkle is required for epithelial morphogenesis during Drosophila oogenesis.
Temporal comparison of Broad-Complex expression during eggshell-appendage patterning and morphogenesis in two Drosophila species with different eggshell-appendage numbers.
Climate Change and Biosphere Response: Unlocking the Collections Vault
The full potential of NHCs for climate change research cannot be fully realized until high-quality data sets are conveniently accessible for research, but this requires that higher priority be placed on digitizing the holdings most useful forClimate change research.
Saving Darwin's muse: evolutionary genetics for the recovery of the Floreana mockingbird
- P. Hoeck, M. Beaumont, K. James, R. B. Grant, P. Grant, L. Keller
- Environmental Science, BiologyBiology Letters
- 23 April 2010
Darwin's mockingbird specimens not only revealed a level of variation that suggested speciation following geographical isolation but also return important information to their place of origin for the conservation of their conspecifics, more than 170 years later.
Mosaic analyses reveal the function of Drosophila Ras in embryonic dorsoventral patterning and dorsal follicle cell morphogenesis.
Confocal analyses of mosaic egg chambers demonstrate that Ras is required both cell- and non cell-autonomously for morphogenetic behaviors characteristic of dorsal follicle cell migration, and reveal a novel, Ras-dependent pattern of basal E-cadherin localization in dorsal midline follicle cells.
Diversity Arrays Technology (DArT) for Pan-Genomic Evolutionary Studies of Non-Model Organisms
DArT is a demonstrably valuable addition to the set of existing molecular approaches used to infer biological phenomena such as adaptive radiations, population dynamics, hybridization, introgression, ecological differentiation and phylogeography.
Phylogenetic context, generic affinities and evolutionary origin of the enigmatic Balkan orchid Gymnadenia frivaldii Hampe ex Griseb
Molecular phylogenetic analysis using the ITS region of rDNA reveals a large disparity between the two genera and demonstrates that frivaldii is embedded well within Gymnadenia s.s. Nigritella, suggesting one of three cases of independent paedomorphic floral reduction inferred in the genus.
Molecular phylogenetics and morphological reappraisal of the Platanthera clade (Orchidaceae: Orchidinae) prompts expansion of the generic limits of Galearis and Platanthera.
Resolution of major groups should facilitate future species-level research on the Platanthera clade by combining implicit assessment of morphological divergence with explicit assessment of molecular divergence.
Contrast in levels of morphological versus molecular divergence between closely related Eurasian species of Platanthera (Orchidaceae) suggests recent evolution with a strong allometric component
The failure to detect species-specific genetic differences between the two allogamous putative species indicates (but cannot conclusively demonstrate) that extensive gene-flow occurs between them, suggesting that previous assertions of pollinator specificity have been greatly exaggerated.