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6.077  Articles
1 of 609 pages  |  10  records  |  more records»
Genetic algorithms, a sort of algorithms belonging to a more general category, so called meta-heuristics, know today a great expansion in terms of target applications, including biology, chemistry and medicine. They are inspired from primary observations ... see more

In the paper three approaches to reconstruction of languages evolution trees are compared on the material of North Caucasian languages: the expert one (comparative-historical method), lexicostatistics, application of phylogenetic algorithms to databases. ... see more

AbstractLycodonomorphus is a genus of lamprophiid water snake endemic in Africa. Although widespread, abundant and presumably an important component of many aquatic and semi-aquatic food webs, these snakes are poorly understood taxonomically, particu... see more

The 18S rRNA gene sequences of three Oocystis species were determined and subjected to two different phylogenetic analysis algorithms. Phylogenetic analysis indicated that they all belong to Oocystaceae. However, the three strains were not members of a mo... see more

Unlike genomics which study specifically culturable microorganisms, metagenomics is a field that studies microorganic samples retrieved directly from the environment. Such samples produce widely varying fragments when sequenced, many of which are still un... see more

In this study, we performed a genetic diversity analysis using RAPD markers for some Vitex agnus-castus populations grown in Aydin, Turkey. Total genomic DNA isolation from the leaves of Vitex agnus-castus was performed using a commercial kit. Seven RAPD ... see more

The phylogenetic relationships of eight Meloidogyne species and twelve isolates from Brazil and other countries were investigated using sequence data of the D2/D3 expansion segments of the large subunit of ribosomal DNA. The phylogenetic procedures used w... see more

Two internal transcribed spacer (ITS1 and ITS2) sequences of the non-coding region of the rDNA and a 16S RNA gene fragment of the mtDNA of Oncomelania hupensis, the intermediate host snail of Schistosoma japonicum in mainland China, have been investigated... see more

Earlier an unexpected phenomenon – acceleration of grammar change for Indo-European languages – was found, but its reason is not clear. Probable reason is an evolution change of cognitive mechanisms 6-11 thousand years ago. It means that evolution of the ... see more

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