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Genome size variability and its relationship towards selected biological characteristics of arachnids
Šilhavá, Veronika ; Opatová, Věra (advisor) ; Urfus, Tomáš (referee)
Genome size, also called C-value, describes the amount of DNA contained in haploid set of chromosomes in organism. Knowledge of this value can be useful for example as indicator of technical difficulty and financial cost of projects using genome seqencing, or it can be used for taxonomic purposes as well. Genome size encompasses immense variability across the animal kingdom. We also encounter variability among arachnids, even between species within the same genus. However, the relationship between genome size and biological characteristics of arachnids has not been examined so far. In this thesis, I assembled genome size data for all arachnid orders alongside with a variety of their biological characteristics. These traits were subsequently mapped onto the phylogenetics trees. In certain arachnid orders, the genome size could be related to the body size, life span and potentially also to ecology (e.g. web type, retreat). Unfortunatelly, genome size data are available only for a small portion of Arachnida diversity, which complicates the interpretation.
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