A5056489157- Plant Diversity and Evolution
- Plant Taxonomy and Phylogenetics
- Genomics and Phylogenetic Studies
- Chromosomal and Genetic Variations
- Plant and animal studies
- Botany and Plant Ecology Studies
- Plant and Fungal Species Descriptions
- Genetic diversity and population structure
- Evolution and Paleontology Studies
- Plant Pathogens and Resistance
- Bryophyte Studies and Records
- Plant Pathogens and Fungal Diseases
- Soil and Environmental Studies
- Plant Disease Resistance and Genetics
- Ecology and Vegetation Dynamics Studies
- Marine and environmental studies
- Sesquiterpenes and Asteraceae Studies
- Plant tissue culture and regeneration
- Mediterranean and Iberian flora and fauna
- Phytochemistry and Biological Activities
- Species Distribution and Climate Change
- Marine and coastal plant biology
- Botany, Ecology, and Taxonomy Studies
- Physiological and biochemical adaptations
- Botanical Research and Applications
Florida Museum of Natural History
2016-2025
University of Florida
2016-2025
Institute of Biology of Inland Waters named Ivan Dmitrievich Papanin
2023
Tobolsk Pedagogical Institute named after D. I. Mendeleev
2023
Ural Branch of the Russian Academy of Sciences
2023
Lomonosov Moscow State University
1999-2022
Santa Fe College
2022
University of Alaska Anchorage
2021
St Vincent's Clinic
2021
UNSW Sydney
2021
Green plants (Viridiplantae) include around 450,000-500,000 species1,2 of great diversity and have important roles in terrestrial aquatic ecosystems. Here, as part the One Thousand Plant Transcriptomes Initiative, we sequenced vegetative transcriptomes 1,124 species that span a broad sense (Archaeplastida), including green (Viridiplantae), glaucophytes (Glaucophyta) red algae (Rhodophyta). Our analysis provides robust phylogenomic framework for examining evolution plants. Most inferred...
Polyploidy, or whole genome duplication, has played a major role in the evolution of many eukaryotic lineages. Although prevalence polyploidy plants is well documented, molecular and cytological consequences are understood largely from newly formed polyploids (neopolyploids) that have been grown experimentally. Classical cytogenetic studies both shown experimental neoallopolyploids often meiotic irregularities, producing chromosomally variable gametes progeny; however, little known about...
Understanding plant evolution and diversity in a phylogenomic context is an enormous challenge due, part, to limited availability of genome-scale data across phylodiverse species. The 10KP (10,000 Plants) Genome Sequencing Project will sequence characterize representative genomes from every major clade embryophytes, green algae, protists (excluding fungi) within the next 5 years. By implementing continuously improving leading-edge sequencing technologies bioinformatics tools, catalogue...
Tragopogon mirus Ownbey and T. miscellus are allopolyploids that formed repeatedly during the past 80 years following introduction of three diploids (T. dubius Scop., pratensis L. porrifolius L.) from Europe to western North America. These polyploid species known parentage useful for studying consequences recent recurrent polyploidization. We summarize analyses cytogenetic, genomic genetic polyploidy in Tragopogon. Analyses rDNA ITS (internal transcribed spacer) + ETS (external sequence data...
Atripliceae (Chenopodiaceae), including Atriplex (300 spp.) as the largest genus of family, are an ecologically important group steppes and semideserts worldwide. Relationships in poorly understood due to obscure potentially convergent morphological characters. •Using sequence variation two chloroplast markers (rbcL gene, atpB-rbcL spacer) one nrDNA marker (ITS) analyzed with BEAST, we investigated systematics biogeography Atripliceae. We surveyed flower morphology fruit anatomy study...
<h2>Abstract</h2> The evolution of chemical complexity has been a major driver plant diversification, with novel compounds serving as key innovations. species-rich mint family (Lamiaceae) produces an enormous variety that act attractants and defense molecules in nature are used widely by humans flavor additives, fragrances, anti-herbivory agents. To elucidate the mechanisms which such diversity evolved, we combined leaf transcriptome data from 48 Lamiaceae species four outgroups robust...
We sought novel evolutionary insights for the highly diverse Saxifragales by constructing a large phylogenetic tree encompassing 36.8% of species-level biodiversity. •We built 909 species and used this hypothesis to examine character evolution annual or perennial habit, woody herbaceous ovary position, petal number, carpel stamen ratio. employed likelihood approaches investigate effect habit life history on speciation extinction within clade. •Two major shifts occurred from ancestor with...
Abstract The impact of unknowingly including a hybrid or an allopolyploid in which rDNA homogenization (via gene loss, concerted evolution, some other mechanism) has not occurred to completion phylogenetic analysis internal transcribed spacer (ITS) external (ETS) sequences is unclear. To investigate the polymorphic sites on phylogeny reconstruction, we used ITS and ETS sequence data for diploids allotetraploids Tragopogon, as well diploid species Paeonia Glycine, their hybrids Rubus. Only...
Background Speciose clades usually harbor species with a broad spectrum of adaptive strategies and complex distribution patterns, thus constitute ideal systems to disentangle biotic abiotic causes underlying diversification. The delimitation such study test evolutionary hypotheses is difficult because they often rely on artificial genus concepts as starting points. One the most prominent examples bellflower Campanula some 420 species, but up 600 when including all lineages which...
Background Iris L. s.l. is one of the most diverse and well-known genera in Asparagales, with approximately 250–300 circumscribed species significant economic impact. The taxonomy genus has suffered dramatic changes last century, particularly decades after application molecular techniques. As a result several contrasting systematic arrangements are currently available to taxonomists. Many that were split from s.str. past, on basis morphology (e.g., Hermodactylus, Iridodictyum, Juno,...
The area and thickness of respiratory surfaces, the constraints they impose on passive oxygen diffusion, have been linked to differences in consumption rates and/or aerobic activity levels vertebrates. However, it remains unclear how surfaces associated diffusion vary with body mass across vertebrates, particularly relation scaling rates. Here we address these issues by first quantifying dependence surface barrier for a diversity endotherms (birds mammals) ectotherms (fishes, amphibians,...
In plants, polyploidy has been a significant evolutionary force on both recent and ancient time scales. 1950, Ownbey reported two newly formed Tragopogon allopolyploids in the northwestern United States. We have made first synthetic lines of T. mirus miscellus using dubius, porrifolius, pratensis as parents colchicine treatment F(1) hybrids. also produced allotetraploids between porrifolius pratensis, which are not known from nature. report crossability diploids, well inflorescence...
The Campanuloideae (Campanulaceae) are a highly diverse clade of angiosperms found mostly in the Northern Hemisphere, with highest diversity temperate areas Old World. Chloroplast markers have greatly improved our understanding this but many relationships remain unclear primarily due to low levels molecular evolution and recent rapid divergence. Furthermore, focusing solely on maternally inherited such as those from chloroplast genome may obscure processes hybridization. In study we explore...
Differences in the limits and range of aerobic activity levels between endotherms ectotherms remain poorly understood, though such differences help explain basic species' lifestyles (e.g. movement patterns, feeding modes, interaction rates). We compare (birds mammals) (fishes, reptiles, amphibians) by evaluating body mass-dependence VO2 max, scope, heart mass a phylogenetic context based on newly constructed vertebrate supertree. Contrary to previous work, results show no significant scaling...
The core Caryophyllales consist of approximately 30 families (12,000 species) distributed worldwide. Many members evolved one-seeded or conjoined fruits, but their origin and structural diversity have not been investigated. A comparative anatomical investigation the fruits within was conducted. evolutionary reconstructions some carpological characters were traced using a tree based on rbcl matK data in order to understand ancestral changes. fruit type is inferred be an character state...
An open-access program allowing three-item statement matrices to be generated from data such as molecular sequences does not exist so far. The recently developed LisBeth package (ver. 1.0) allows representing hypotheses of homology among taxa or areas directly rooted trees hierarchies; however, this is a standard matrix-based platform. Here we present "TAXON version 1.1" (TAXON), designed for building statement-matrices binary, additive (ordered) and non-additive (unordered) multistate...
This paper is a comment on the idea of matrix-free Cladistics. Demonstration this idea's efficiency major goal study. Within proposed framework, ordinary (phenetic) matrix necessary only as "source" Hennigian trees, not primary subject analysis. Switching from matrix-based thinking to Cladistic approach clearly reveals that optimizations character-state changes are related real processes, but form data representation.
When treated in a broad sense, Iris (the ‘rainbow-flowers’) is one of the most diverse and well-known genera Asparagales. However, recent conventional phylogenetic three-taxon statement re-treatments molecular data (cpDNA) for irises (‘Iris sensu latissimo’ clade) showed that obtained patterns relationships appeared to be fully congruent narrow taxonomical arrangement (sensu stricto) include only bearded irises. Given this, we propose new taxonomic rainbow-flowers with at least 25 previously...
Recent molecular studies revealed the polyphyletic nature of broadly defined genus Polygonum. This paper includes a standard maximum parsimony (MP) and three-taxon statement analyses (3TA) as well taxonomic revision Polygonum sect. Avicularia subsect. Spinescentia (Polygonaceae) compared with two closely related taxa: Atraphaxis s.s., Bactria. In total, 27 characters, including life history, habit, morphology shoots, leaf blades, ocreas, perianth, achene, ultrasculpture perianth achene...