Search Results - "Röser, Martin"

Karyotype evolution in Phalaris (Poaceae): The role of reductional dysploidy, polyploidy and chromosome alteration in a wide-spread and diverse genus by Winterfeld, Grit, Becher, Hannes, Voshell, Stephanie, Hilu, Khidir, Röser, Martin

“…Karyotype characteristics can provide valuable information on genome evolution and speciation, in particular in taxa with varying basic chromosome numbers and…”
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Molecular Phylogenetics and Micromorphology of Australasian Stipeae (Poaceae, Subfamily Pooideae), and the Interrelation of Whole-Genome Duplication and Evolutionary Radiations in This Grass Tribe by Tkach, Natalia, Nobis, Marcin, Schneider, Julia, Becher, Hannes, Winterfeld, Grit, Jacobs, Surrey W L, Röser, Martin

“…The mainly Australian grass genus (tribe Stipeae) comprising approximately 64 species represents a remarkable example of an evolutionary radiation. To…”
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Molecular phylogenetics, morphology and a revised classification of the complex genus Saxifraga (Saxifragaceae) by Tkach, Natalia, Röser, Martin, Miehe, Georg, Muellner-Riehl, Alexandra N., Ebersbach, Jana, Favre, Adrien, Hoffmann, Matthias H.

“…Saxifraga, the most species-rich and taxonomically complex genus of Saxifragaceae, is a characteristic component of temperate to polar climatic zones and of…”
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Repeated upslope biome shifts in Saxifraga during late-Cenozoic climate cooling by Carruthers, Tom, Moerland, Michelangelo S., Ebersbach, Jana, Favre, Adrien, Folk, Ryan A., Hawkins, Julie A., Muellner-Riehl, Alexandra N., Röser, Martin, Soltis, Douglas E., Tkach, Natalia, Baker, William J., de Vos, Jurriaan M., Eiserhardt, Wolf L.

“…Mountains are among the most biodiverse places on Earth, and plant lineages that inhabit them have some of the highest speciation rates ever recorded. Plant…”
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High mountain origin, phylogenetics, evolution, and niche conservatism of arctic lineages in the hemiparasitic genus Pedicularis (Orobanchaceae) by Tkach, Natalia, Ree, Richard H., Kuss, Patrick, Röser, Martin, Hoffmann, Matthias H.

“…[Display omitted] •The first study of arctic species of Pedicularis in a molecular phylogenetic context.•Arctic Pedicularis evolved 12–14 times…”
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Contrasting evolutionary origins of two mountain endemics: Saxifraga wahlenbergii (Western Carpathians) and S. styriaca (Eastern Alps) by Tkach, Natalia, Röser, Martin, Suchan, Tomasz, Cieślak, Elżbieta, Schönswetter, Peter, Ronikier, Michał

“…The Carpathians and the Alps are the largest mountain ranges of the European Alpine System and important centres of endemism. Among the distinctive endemic…”
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Molecular Phylogeny of the Species-Rich Carex sect. Racemosae (Cyperaceae) Based on Four Nuclear and Chloroplast Markers by Gebauer, Sebastian, Röser, Martin, Hoffmann, Matthias H.

“…Carex is one of the most species-rich genera of the world and an important component of vegetation, particularly in colder regions. One of its larger groups is…”
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Molecular phylogenetics, character evolution and systematics of the genus Micranthes (Saxifragaceae) by Tkach, Natalia, Röser, Martin, Hoffmann, Matthias H.

“…With c. 85 species, the genus Micranthes is among the larger genera of the Saxifragaceae. It is only distantly related to the morphologically similar genus…”
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Correction: Karyotype evolution in Phalaris (Poaceae): The role of reductional dysploidy, polyploidy and chromosome alteration in a wide-spread and diverse genus by Winterfeld, Grit, Becher, Hannes, Voshell, Stephanie, Hilu, Khidir, Röser, Martin

“…[This corrects the article DOI: 10.1371/journal.pone.0192869.]…”
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Rapid and recent world-wide diversification of bluegrasses (Poa, Poaceae) and related genera by Hoffmann, Matthias H, Schneider, Julia, Hase, Philipp, Röser, Martin

“…Rapid species diversifications provide fascinating insight into the development of biodiversity in time and space. Most biological radiations studied to date,…”
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Glacial refugia and speciation in a group of wind-pollinated and -dispersed, endemic Alpine species of Helictotrichon (Poaceae) by Ley, Alexandra C, Nissen, Jana, Wölk, Alexandra, Röser, Martin

“…In the Alps phylogeographic studies indicate for small insect-pollinated herbs that climatic fluctuations caused significant population migrations and…”
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Polyphyly of the grass tribe Hainardieae (Poaceae: Pooideae): identification of its different lineages based on molecular phylogenetics, including morphological and cytogenetic characteristics by Schneider, Julia, Winterfeld, Grit, Röser, Martin

“…The small pooid grass tribe Hainardieae comprises six genera with approximately ten species; however, this tribe was not accepted by all previous taxonomic…”
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Genome evolution in a Mediterranean species complex: phylogeny and cytogenetics of Helictotrichon (Poaceae) allopolyploids based on nuclear DNA sequences (rDNA, topoisomerase gene) and FISH by Wölk, Alexandra, Winterfeld, Grit, Röser, Martin

“…We examined the molecular phylogeny and chromosomal features of European Helictotrichon species to explore the relationships within the genus and to…”
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Phylogenetic relationships in the grass family (Poaceae) based on the nuclear single copy locus topoisomerase 6 compared with chloroplast DNA by Blaner, Anne, Schneider, Julia, Röser, Martin

“…Phylogenetic relationships within the grass family were studied using a newly obtained locus of the nuclear single copy gene topoisomerase 6 (Topo6) spanning…”
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Antagonistic effects of whole-genome duplications and dysploidy on genome sizes in the pantropical monocot family Marantaceae: Consequences in the light of a new molecular phylogeny by Winterfeld, Grit, Paule, Juraj, Hoffmann, Matthias H., Ley, Alexandra, Röser, Martin

“…Changes in chromosome number and structure, as well as alterations in genome size, are important cytological characters that often reflect speciation events…”
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Genome composition and origin of the polyploid Aegean grass Avenula agropyroides (Poaceae) by Winterfeld, Grit, Perner, Katja, Röser, Martin

“…Aim The Aegean is a hotspot of plant biodiversity, with its island biota harbouring a large number of endemic taxa. To investigate the relationship between…”
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Phylogenetic Structure of the Grass Subfamily Pooideae Based on Comparison of Plastid matK gene-3′trnK exon and Nuclear ITS Sequences by Schneider, Julia, Döring, Elke, Hilu, Khidir W., Röser, Martin

“…The grass subfamily Pooideae was studied using DNA sequence information from the chloroplast (cp) matK gene–3′trnK exon and the nuclear ribosomal (nr)…”
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Disposition of ribosomal DNAs in the chromosomes of perennial oats (Poaceae: Aveneae) by WINTERFELD, GRIT, RÖSER, MARTIN

“…The chromosomal loci of 5S and 45S ribosomal DNAs (rDNAs) and the activity of nucleolar-organizing regions (NORs) were analysed in perennial oats of the genera…”
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Genome evolution in alpine oat-like grasses through homoploid hybridization and polyploidy by Winterfeld, Grit, Wölk, Alexandra, Röser, Martin

“…Molecular cytogenetic and phylogenetic analysis of alpine endemic wild oats of genus Helictotrichon represents a remarkable example of speciation and…”
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Sources of the Arctic Flora: Origins of Arctic Species in Ranunculus and Related Genera by Hoffmann, Matthias H, Hagen, K. Bernhard von, Horandl, Elvira, Roser, Martin, Tkach, Natalia V

“…The arctic biome is a relatively young ecosystem with ∼2300 species of vascular plants. We studied the genus Ranunculus as an example of the origin and…”
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