Search Results - "Andreasen, Katarina"

Unequal evolutionary rates between annual and perennial lineages of checker mallows (Sidalcea, Malvaceae): evidence from 18S-26S rDNA internal and external transcribed spacers by Andreasen, K, Baldwin, B G

“…Heterogeneous DNA substitution rates were found in the 18S-26S nuclear ribosomal DNA internal transcribed spacer (ITS) and external transcribed spacer (ETS)…”
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Effect of a short compulsory course on teachers’ active learning practices by Andreasen, Katarina, Lundberg, Marcus, Pålsson, Stefan, Timneanu, Nicusor

“…We investigated the impact that teachers’ participation in a short compulsory course on active learning had on their teaching practice. The course was offered…”
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Phylogeny, Hybridization, and Evolution of Habit and Breeding System in Sidalcea and Eremalche (Malvaceae) by Andreasen, Katarina

“…Reconstructing the phylogeny of the western North American Sidalcea-Eremalche lineage provides an opportunity to study the evolution of different fundamental…”
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Phylogeny, Hybridization, and Evolution of Habit and Breeding System inSidalceaandEremalche(Malvaceae) by Andreasen, Katarina

“…Reconstructing the phylogeny of the western North AmericanSidalcea-Eremalchelineage provides an opportunity to study the evolution of different fundamental…”
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The Afro-Madagascan Genus Warneckea (Melastomataceae): Molecular Systematics and Revised Infrageneric Classification by Stone, Robert Douglas, Andreasen, Katarina

“…Warneckea consists of shrubs and small trees endemic to tropical forests in Africa, Madagascar, and Mauritius. Phylogenetic analyses of sequence data from the…”
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Arnica (Asteraceae) phylogeny revisited using RPB2: Complex patterns and multiple d-paralogues by Ekenäs, Catarina, Heidari, Nahid, Andreasen, Katarina

“…[Display omitted] ► Three RPB2-d paralogues found in Arnica (Asteraceae). ► Complex patterns of polymorphism found in all three RPB2-d paralogues. ► Low levels…”
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Genetic identity of putative Linnaean plants: Successful DNA amplification of Linnaeus’s crab appleMalus baccata by Andreasen, Katarina, Manktelow, Mariette, Sehic, Jasna, Garkava-Gustavsson, Larisa

“…Advancements in molecular techniques enable us to extract DNA from historic herbarium specimens and facilitate genetic comparisons between herbarium material…”
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Successful DNA Amplification of a More than 200-Year-Old Herbarium Specimen: Recovering Genetic Material from the Linnaean Era by Andreasen, Katarina, Manktelow, Mariette, Razafimandimbison, Sylvain G.

“…The limit for successful DNA extraction was tested by amplification and sequencing of an 200-year-old herbarium specimen collected by Adam Afzelius, a student…”
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Genetic identity of putative Linnaean plants: Successful DNA amplification of Linnaeus's crab apple Malus baccata by Andreasen, Katarina, Manktelow, Mariette, Sehic, Jasna, Garkava-Gustavsson, Larisa

“…Advancements in molecular techniques enable us to extract DNA from historic herbarium specimens and facilitate genetic comparisons between herbarium material…”
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Implications of molecular systematic analyses on the conservation of rare and threatened taxa: Contrasting examples from Malvaceae by Andreasen, Katarina

“…Systematic research provides essential evidence for setting conservation priorities for rare and endangered taxa. Phylogenetic analyses can identify cryptic,…”
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A Molecular Phylogenetic Study of Arnica (Asteraceae): Low Chloroplast DNA Variation and Problematic Subgeneric Classification by Ekenäs, Catarina, Baldwin, Bruce G., Andreasen, Katarina

“…DNA sequences from five chloroplast DNA regions (the rpl16 and rps16 introns and the psbA-trnH, ycf4-cemA, and trnT-L spacers), and the nuclear ribosomal…”
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Combined phylogenetic analysis in the Rubiaceae-Ixoroideae: morphology, nuclear and chloroplast DNA data by Andreasen, Katarina, Bremer, Birgitta

“…Parsimony analyses of morphology, restriction sites of the cpDNA, sequences from the nuclear, ribosomal internal transcribed spacer (ITS), and the chloroplast…”
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Nuclear ribosomal DNA sequence polymorphism and hybridization in checker mallows ( Sidalcea, Malvaceae) by Andreasen, Katarina, Baldwin, Bruce G

“…Checker mallows ( Sidalcea, Malvaceae) constitute a western North American genus of annuals and perennials that have been regarded as taxonomically difficult…”
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A Molecular Phylogenetic Study of Arnica (Asteraceae): Low Chloroplast DNA Variation and Problematic Subgeneric Classification by Ekenaes, Catarina, Baldwin, Bruce G, Andreasen, Katarina

“…DNA sequences from five chloroplast DNA regions (the rpl16 and rps16 introns and the psbA-trnH, ycf4-cemA, and trnT-L spacers), and the nuclear ribosomal…”
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Secondary chemistry and ribosomal DNA data congruencies in Arnica (Asteraceae) by Ekenäs, Catarina, Rosén, Josetin, Wagner, Stetten, Merfort, Irmgard, Backlund, Anders, Andreasen, Katarina

“…To investigate possible congruencies between DNA sequence data and secondary chemistry, we compared nuclear ribosomal DNA (nrDNA) sequence data, sesquiterpene…”
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Screening for anti-inflammatory activity of 12 Arnica (Asteraceae) species assessed by inhibition of NF-kappaB and release of human neutrophil elastase by Ekenäs, Catarina, Zebrowska, Anna, Schuler, Barbara, Vrede, Tobias, Andreasen, Katarina, Backlund, Anders, Merfort, Irmgard, Bohlin, Lars

“…Several species in the genus Arnica have been used in traditional medicine to treat inflammatory-related disorders. Extracts of twelve Arnica species and two…”
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Reexamination of relationships, habital evolution, and phylogeography of checker mallows (Sidalcea; Malvaceae) based on molecular phylogenetic data by Andreasen, Katarina, Baldwin, Bruce G.

“…Phylogenetic analysis of nuclear ribosomal DNA external and internal transcribed spacer region (ETS and ITS) sequences for Sidalcea (Malvaceae) resolved five…”
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A Molecular Phylogenetic Study of Arnica (Asteraceae): Low Chloroplast DNA Variation and Problematic Subgeneric Classification by Ekenäs, Catarina, Baldwin, Bruce G, Andreasen, Katarina

“…DNA sequences from five chloroplast DNA regions (the rpl16 and rps16 introns and the psbA–trnH, ycf4–cemA, and trnT–L spacers), and the nuclear ribosomal…”
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Subfamilial and Tribal Relationships in the Rubiaceae Based on rbcL Sequence Data by Bremer, Birgitta, Andreasen, Katarina, Olsson, Daniel

“…A parsimony analysis of rbcL sequences from 49 Rubiaceae genera (representing 23 tribes) and 7 outgroup taxa was performed. Species representing 48 genera of…”
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Nuclear rDNA ITS sequence data used to construct the first phylogeny of Vanguerieae (Rubiaceae) by Lantz, Henrik, Andreasen, Katarina, Bremer, Birgitta

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