National Repository of Grey Literature 75 records found  beginprevious56 - 65next  jump to record: Search took 0.00 seconds. 
Population genetics of Grey Wolf (Canis lupus) in Eurasia
Báčová, Alžběta ; Černá Bolfíková, Barbora (advisor) ; Pavel, Pavel (referee)
The grey wolf (Canis lupus) is the largest canine carnivore living on northern hemisphere of the Earth. Excessive persecution of Canis lupus at the turn of 19th and 20th century has caused nearly extermination of this animal species in the most parts of its natural habitat. Natural habitat got rapidly smaller at that time. At the end of 20th century number of individuals of Canis lupus has increased and the grey wolf has started to return to its natural habitat due to better legal protection. Its natural habitat is very fragmented especially in Western Europe. The origin of founders of wolf populations is estimated and the tracks of migrating individuals are followed, by monitoring the gene flow. In last fifteen years the grey wolf has started to return back to Czech countryside. Usage of microsatellites proved its presence in Beskyd Mountains, Czech and Slovakia republic. Comparing DNA samples of Canis lupus with those of Carpathian wolves showed the same origin of both groups within Europe. Detailed research points to deeper structure even within subpopulation.
Aspects of reproduction biology of the moss \kur{Helodium blandowii}
BRADÁČOVÁ, Jitka
Regeneration from stem and branch fragments of the moss Helodium blandowii was examined in common garden and field experiments. The treatments included one cm long terminal stem fragments and branches of one cm and half cm length with and without the terminal and their regeneration was observed in course of 3 months in the common garden experiment and 15 months in the field. Dynamics of Helodium patches was observed in course of 2 years in permanent plots of the nature reserve Ruda. Genetic stucture of all recent Czech populations of Helodium blandowii was investigated and compared with a pilot survey of populations from Scandinavia and Lithuania using the microsatellite markes developed for this study.
Searching repetitive DNA in nucleotide sequences
Moskovská, Kateřina ; Provazník, Ivo (referee) ; Kubicová, Vladimíra (advisor)
This bachelor thesis deals with problem of repetitive DNA and algorithms for searching tandem repeats. Tandem repeats are important for biological industry. They are used as gene marker for creating genetic maps, profiles of DNA for paternity testing and in forensic sphere. Tandem repeats wreak several sever humen illness and it is another reason for their searching. Therefore are algorithms for searching of tandem repeats objects of many studies. We can divided algorithms to two main groups – algorithms based on string matching and algorithms based on digital signal processing. Task of this bachelor thesis is choose one member of each group and propose their implementation and than implement them in program Matlab. Result of this thesis should be comparison both programs. This comparison pass off on the basis of chosen criterion and several sequences. Both program transform these sequences and than can be programs compare.
Genetic diversity of cattle in Czech Republic
ČERVINKA, Václav
The thesis deals with genetic diversity in the Czech Republic. Firstly domestication of livestock in general and then domestication of cattle is decribed. History of cattle in the Czech Republic, the importance of cattle breeding and last but not least the condition of cattle in the Czech Republic is also introduced. The thesis is also focused on biodiversity, threats to biodiversity and its conservation and the levels of diversity are also specified. Genetic markers,microsatellites, minisatellites, SNP, polymorphic structural genes and also mutations are described. The cattle breeds farmed in the Czech Republic are specified next. The National Programme, genetic resources and genetic resources in the Czech Republic are evaluated. Finally genetic resources of " česká červinka" and "český strakatý skot" are described.
Aspects of reproduction biology of the moss \kur{Helodium blandowii}
BRADÁČOVÁ, Jitka
Regeneration from stem and branch fragments of the moss Helodium blandowii was examined in common garden and field experiments. The treatments included one cm long terminal stem fragments and branches of one cm and half cm length with and without the terminal and their regeneration was observed in course of 3 months in the common garden experiment and 15 months in the field. Dynamics of Helodium patches was observed in course of 2 years in permanent plots of the nature reserve Ruda. Genetic stucture of all recent Czech populations of Helodium blandowii was investigated and compared with a pilot survey of populations from Scandinavia and Lithuania using the microsatellite markes developed for this study.
Genetic diversity of chosen horse breeds
JANKOVSKÁ, Tereza
The objective of the thesis is to clarify the findings about genetical biodiversity of horses, evaluation of the diversity and description of current state of genetic resources preservation. Firstly, the history is described, domestication of horses, breeds and biodiversity. From the genetic point of view, the thesis contains description of the genetical diversity, microsatellites, markers and mitochondria. There are described genetic sources and their preservation. Current quantities and thein progress are also mentioned.
Molekulárně-genetická analýza starokladrubských koní
Velebová, Adéla
The genetic variability and diversity of the Old Kladruber horse breed is evaluated in this master thesis. The aim is to evaluate the variability and diversity in the breed, between the sire lines and inside these lines. The detailed information about the Old Kladruber horse breed is presented in the literary overview with the breed history including the regeneration process. Basic indexes of the genetic variability are presented in the next part. 17 microsatellite markers were used to evaluate the genetic variability and diversity with further statistical analyses performed in GENEPOP 4.2 and ARLEQUIN 3.5 programs. The allele and genotype frequencies were calculated together with the number of alleles per loci and Hardy -- Weinberg equilibrium was tested for the population. Polymorphic information content, observed and expected heterozygosity and fixation coefficients were calculated. The results show surprisingly high degree of genetic variability in the Old Kladruber horse, increased probably due to introduction of other breeds during the regeneration process.
Mikrosatelity a jejich využití v genetických analýzách
Wijacki, Jan
Microsatellites are short repetitive DNA sequences localized in both procaryotic and eucaryotic genome. It belongs to the satellite DNA located in the coding and noncoding regions of genetic information. They consist of 1-6 base pairs and the number of repetitions of individual motifs can move up in the hundreds. Microsatellites are tested using the polymerase chain reaction (PCR) and polyacrylamide gel electrophoresis (PAGE) or by capillary electrophoresis and fragment analysis. They are currently widely used as molecular genetic markers used, e.g. for paternity analysis, genetic mapping studies and genetic population and diversity studies.
Studium genetické struktury a diverzity různých populací dravců (Falconiformes)
Bryndová, Marta
The main aim of this thesis was to evaluate the genetic variability in different populations of birds of prey in the Czech Republic. As an alternative source, the feathers were used for the extraction of DNA. The reference species were chosen the Peregrine Falcon (Falco peregrinus) and the Saker Falcon (Falco cherrug), which was also compared with the subpopulation living in Slovakia. Ten microsatellite markers from the literature were tested. Polymorphism of markers varied significantly, locus NVH fp5 was the least polymorphic (PIC = 0.185 F. p; PIC = 0.119 F. ch.). Null alleles were observed in this locus in the Peregrine Falcon population, that is why it should be discarded from the microsatellite panel. The genetic diversity was low among subpopulations of the Peregrine Falcon. FST for the population living in the captivity and living in the wild was 0.025. In the case of the Saker Falcon subpopulation living in Slovakia showed moderate genetic diversity values (0.185 for the subpopulation living in the captivity and 0.126 for the subpopulation living in the wild in the Czech Republic). All subpopulations (except museum specimens of the Saker Falcon) were in Hardy - Weinberg equilibrium. Gene flow was higher among subpopulations of the Peregrine Falcon than the Saker Falcon, where the other population from the different geographical area was also included. 454 sequencing revealed 3 complete mitochondrial DNA sequences of Peregrine Falcons, 2 of Saker Falcons and 2 of Gyrfalcons (Falco rusticolus). The longest sizes were 16,154 bp for the Saker Falcon, 17,239 bp for Gyrfalcon and 17,527 bp for the Peregrine Falcon. Sequence of the Peregrine Falcon was inserted into the Genbank database under accession number JX029991. Whole genome mitochondrial DNA sequences of Saker Falcons and Gyrfalcons have never been published, that is why it will be the part of the new manuscript.

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