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National Repository of Grey Literature 1 records found  Search took 0.01 seconds. 
Molecular mechanisms of cell polarity and morphogenesis in moss Physcomitrella patens
 D'Agostino, Viktoria ; Žárský, Viktor (advisor) ; Soukup, Aleš (referee)
Plant cells are able to establish polarity and expand by tip growth. Polarized cells often embrace functions important for plant viability. The process of tip growth requires actin cytoskeleton in collaboration with a number of accessory proteins. The position of the intensively expanding region is provided by microtubules and the function of signalling proteins. Polarized secretion regulates the structural properties and subsequently the shape of the cell wall. Some components of the secretory and signalling pathways are highly conserved among eukaryotes, others are found exclusively in the plant kingdom. Though much has been discovered in yeast and animal cells, many mechanisms in plants are yet to be revealed. Model systems performing tip growth, such as root hairs, pollen tubes and protonema cells, enable comparison and thus a complementary overview of the various processes.
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