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Peter Steier Homepage

However, little is known about the steps of functional and structural genome reduction leading to the currently strongly reduced plastid chromosomes. Tests were based on the growth inhibition of Plasmodium vivax, determined by morphological differential counts of 200 asexual parasites. This study was undertaken to analyze epidemiologic trends of laboratory-reported pertussis to evaluate current vaccination strategy in Austria. After implementation of rotavirus vaccines in childhood immunization programs, over 90% reduction of rotavirus hospitalizations has been observed in industrialized and resource deprived countries. One of those is Platypholis, whose sole species, Platypholis boninsimae, is restricted to the Bonin-Islands Ogasawara Islands about 1,000 km southeast of Japan. Paris, France, September 20-24, 2004. Peter Steier, Roswitha Drosg, Mariaelena Fedi, Walter Kutschera, Martin Schock, Dietmar Wagenbach, Eva Maria Wild.

Gerald M Schneeweiss

We additionally discuss morphological variation and the utility of morphological characters as predictors of phylogenetic relationships. Here, we trace the complex history of genome reduction in a group of closely related parasitic plants of the broomrape family Orobanchaceae. To this end, we use Cohen's d of distances between in silico polyploids, generated within a priori defined scenarios of origin from a priori delimited putative parental entities e. Based on molecular phylogeny and morphological evidence, the taxonomy of some species of sect. Such phenomena have been reported for other flavivirus infections. Location: European high mountain ranges Alps, Pyrenees. Numbers along branches are Bayesian posterior probabilities above 0.

Gerhard Weber

Sequelae on discharge included motor impairment in 8 children 14. Biomass differed between ploidy levels, but was independent from vegetation cover in both cytotypes. Model uncertainty and model selection uncertainty in maximum likelihood analyses using ChromEvol values are given as averages and, in parentheses, ranges. Temporal and spatial origins of D. Here, following molecular investigation, several taxonomic changes are made.

Herwig Kollaritsch

Here, we infer the phylogenetic position of the locally endemic Doronicum cataractarum testing previous hypotheses with respect to its biogeographic and temporal origin Tertiary origin with southwest Asian affinities versus possibly Pleistocene origin in the Alps. The presence of refugia congruently inferred by markers resolving at different time levels suggests that these refugia acted as such throughout several glacial cycles. Patterns of ndh-gene loss and functional analyses indicate that these losses are usually found in plant groups with a certain degree of heterotrophy, might rendering plastid encoded Ndh1 subunits dispensable. A good system to study their role in the European high mountains is the Doronicum clusii aggregate Asteraceae , whose four taxa D. Active immunization by using the current immunization schedules after a tick bite will not result in appropriate neutralizing antibody concentrations within due time.

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Peter Steier, Robin Golser, Oliver Forstner, Walter Kutschera, Silke Merchel, Alfred Priller, Martin Suter,Christof Vockenhuber, Anton Wallner. If the test showed a clearly visible line that was similar to the control line, the result was determined to be positive. B 266 2008 2095-2098 P. Cholera is endemic in several tropical countries, but it is only a marginal problem for travellers. The granulocyte population increased 2.

Institut für Analytische Chemie » Publikationen

The persistence of ancient lineages with a strictly regional distribution suggests that the ability of R. Deletions of photosynthesis-related genes as well as few housekeeping subunits display prominent convergences in several unrelated non-photosynthetic lineages. We used next-generation sequencing to characterize the genomes of nine species of Orobanchaceae of known phylogenetic relationships, different life forms, and including a polyploid species. Thus, BaitsFinder is expected to be broadly applicable in groups, where only transcriptomes or partial genome data of differing quality are available. Our findings suggest that the transition to obligate parasitism relaxes functional constraints on plastid genes in a stepwise manner. Misinterpretation of hybrid swarms as separate taxa and the mosaic distribution of different indumentum types have led to a gross overestimation of taxonomic diversity of V.

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Based on the combined data set, O. Plastid and mitochondrial genomes plastomes and chondromes, respectively are rewarding objects for molecular evolutionary studies and useful tools in plant phylogenetics and phylogenomics. The Rubiaceae tribe Rubieae has a world-wide distribution with up to 1,000 species. We additionally discuss morphological variation and the utility of morphological characters as predictors of phylogenetic relationships. Maximum leaf length of diploids increased with vegetation cover, but remained constant in hexaploids. Februar per mail an: Helena Grothe. Our work aims to provide a solid account on the genetic structure of L.

Tandem

Deletions of photosynthesis-related genes as well as few housekeeping subunits display prominent convergences in several unrelated non-photosynthetic lineages. B 259 2007 71-75 E. . This heat labile toxin exhibits a 80% sequence homology with cholera toxin. Based on the assumptions that vaccination is not quick acting enough after a tick bite and that the theoretical risk of antibody-dependent enhancement cannot be excluded, no vaccination or other specific measure is currently recommended after a tick bite in non-vaccinated patients, leaving the patient in a completely dissatisfactory position.

Herwig Kollaritsch

Arctic-alpine biota occupy enormous areas in the Arctic and the northern hemisphere mountain ranges and have undergone major range shifts during their comparatively short history. Outline colors and thickness reflect morphology-based determinations and ploidy level, respectively; indication of nonnominate intraspecific taxa and of morphologically untypical populations as in Fig. Therefore a shortage of Japanese encephalitis vaccines might occur before new generation vaccines based on cell culture technology will be available. We chose the high-mountain flora of the Alps and the Carpathians as study systems and demonstrate that species richness and genetic diversity are not correlated. However, European tourists, who are travelers within their own continent, do not consider themselves exposed to possible, travel-associated infections, since problem awareness among tourists as well as doctors is rather weak. Depending on the presumed frequency of hybridization, existing taxonomic concepts in this group range from distinguishing only morphological races without explicit taxonomic status to recognizing several species each with a series of intraspecific taxa. Language learning partners are matched by treffpunkt sprachen free of charge.

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