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Evaluation of SDS-PAGE tuber protein profiles for their potential use in potato cultivar characterization
PEŠINA, Jiří
The use of various types of gel electrophoresis for characterization and identifying plant varieties is well estabilished. This diploma work deals with the possibility characterize potato cultivar (Solanum tuberosum L.) by the help of electrophoretic technique SDS {--} PAGE tuber protein profiles. Soluble potato tuber proteins can be classified according to their molecular weight (kDa) into three groups: First, the major tuber protein patatin (37 {--} 44 kDa); second, a group constituted of protease inhibitors (6 {--} 24 kDa); and third group containing all other proteins. First two group manifest genetic variability, which is necessary evalute for its potential using of potato cultivar characterization.
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Fylogeography and genetics variability of \kur{Diuraphis noxia} (\kur{Aphididae})
PAŠÍKOVSKÝ, Jiří
The aim of this work was a research of the genetic variability of natural populations of Russian wheat aphid Diuraphis noxia (Aphididae) by means of microsatellite markers and markers for EPIC-PCR. First goal was to introduce the methods and optimise them for Diuraphis noxia. In the follow-up pilot study, specimens from 47 lines representing 12 populations from all over the world were analysed. Having used microsatellite markers, I proved expected variability among individual populations and within them. The highest genetic variability was detected between Chile and Algeria using markers for cytochrome C in EPIC-PCR. These findings can be used for further studies of the genetic variability of the aphid Diuraphis noxia.
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