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Diatoms dominate the biomass of phytoplankton in nutrient-rich conditions and form the basis of some of the world's most productive marine food webs. The diatom nuclear genome contains genes with bacterial and plastid origins as well as genes of the secondary endosymbiotic host (the exosymbiont), yet little is known about the relative contribution of each(More)
The paper presents new lexicon of verb valencies for the Czech language named VerbaLex. VerbaLex is based on three valuable language resources for Czech, three independent electronic dictionaries of verb valency frames. The first resource, Czech WordNet valency frames dictionary, was created during the Balkanet project and contains semantic roles and links(More)
This paper deals with wordnet development tools. It presents a designed and developed system for lexical database editing, which is currently employed in many national wordnet building projects. We discuss basic features of the tool as well as more elaborate functions that facilitate linguistic work in multilingual environment.
In this paper, we present the new wordnet development tool called DEBVisDic. It is built on the recently developed platform for client-server XML databases, called DEB ii. This platform is able to cover many possible applications , from which we concentrate on the new, complete reimplementation of one of the most-spread wordnet editor and browser – VisDic.(More)
Balantidiasis is considered a neglected zoonotic disease with pigs serving as reservoir hosts. However, Balantidium coli has been recorded in many other mammalian species, including primates. Here, we evaluated the genetic diversity of B. coli in non-human primates using two gene markers (SSrDNA and ITS1-5.8SDNA-ITS2). We analyzed 49 isolates of ciliates(More)
The paper presents details and comparison of two valuable language resources for Czech, two independent verb valency frames electronic dictionaries. The FIMU verb valency frames dictionary was designed during the EuroWordNet project and contains semantic roles and links to the Czech wordnet semantic network. The VALLEX 1.0 format is based on the formalism(More)
Understanding the early evolution and diversification of eukaryotes relies on a fully resolved phylogenetic tree. In recent years, most eukaryotic diversity has been assigned to six putative supergroups, but the evolutionary origin of a few major "orphan" lineages remains elusive. Two ecologically important orphan groups are the heterotrophic Telonemia and(More)
Marine plankton support global biological and geochemical processes. Surveys of their biodiversity have hitherto been geographically restricted and have not accounted for the full range of plankton size. We assessed eukaryotic diversity from 334 size-fractionated photic-zone plankton communities collected across tropical and temperate oceans during the(More)
BACKGROUND Dinoflagellates are an ecologically important group of protists with important functions as primary producers, coral symbionts and in toxic red tides. Although widely studied, the natural diversity of dinoflagellates is not well known. DNA barcoding has been utilized successfully for many protist groups. We used this approach to systematically(More)