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A Plastid Gene Phylogeny of the Yam Genus, Dioscorea: Roots, Fruits and Madagascar
A phylogenetic analysis based on sequence data from the plastid genes rbcL and matK is presented, using 67 species of Dioscorea and covering all the main Old World and selected New World lineages, and finds that a clade of rhizomatous taxa is sister to the rest of Diocorea.
Aluminum hyperaccumulation in angiosperms: A review of its phylogenetic significance
The preliminary conclusions support the primitive status of aluminum hyperaccumulation, which provides an evolutionary model system for the integration of different biological disciplines, such as systematics, ecology, biogeography, physiology, and biochemistry.
Exploring genetic variation in the tomato (Solanum section Lycopersicon) clade by whole-genome sequencing.
Results suggest that phylogenetic relationships are correlated with habitat, indicating the occurrence of geographical races within these groups, which is of practical importance for Solanum genome evolution studies.
Phylogeny of Cyperaceae Based on DNA Sequence Data: Current Progress and Future Prospects
The phylogenetic position of 40 species in 21 genera is presented in this study for the first time, elucidating their position in Abildgaardieae (Trachystylis), CryptangIEae (Didymiandrum, Exochogyne), Cypereae (Androtrichum, Volkiella), Eleocharideae (Chillania), and Schoeneae (Calyptrocarya, Morelotia).
Symbiotic diversity, specificity and distribution of rhizobia in native legumes of the Core Cape Subregion (South Africa).
Although host genotype was the main factor determining rhizobial diversity, ecological factors such as soil acidity and site elevation were positively correlated with genetic variation within Mesorhizobium and Burkholderia, respectively, indicating an interplay of host and environmental factors on the distribution of Fynbos rhizobia.
What is a Genus in Cypereae: Phylogeny, Character Homology Assessment and Generic Circumscription in Cypereae
- A. M. Muasya, A. Vrijdaghs, D. Simpson, M. Chase, P. Goetghebeur, E. Smets
- BiologyThe Botanical Review
- 1 February 2009
Using a DNA-based tree as the framework, the homology of key taxonomic characters in tribe Cypereae is assessed and the question of generic circumscription is revisited, to include all taxa with a Cyperus-type embryo and perianth segments.
CARNOY: A new digital measurement tool for palynology
CARNOY is an image analysis application written from the ground up for use in palynology and morphology that can export measurements to almost every other software package for further analysis and is available for free on the Internet.
Phylogeny and biogeography of Balsaminaceae inferred from ITS sequences
The ITS phylogenies reveal that extant Impatiens species are of Southeast Asian origin, from where dispersals to boreal Eurasia and North America, to central Asia and eastern Europe via the Himalayas, and to India and Africa have occurred.
Rapid radiation of Impatiens (Balsaminaceae) during Pliocene and Pleistocene: result of a global climate change.
Phylogeny of Cyperaceae based on DNA sequence data - a new rbcL analysis
A parsimony analysis was carried out using all rbcL sequences currently available for Cyperaceae, including data for two new genera, with one outcome may be that only two subfamilies, Mapanioideae and Cyperoideae, are recognized.