National Repository of Grey Literature 3 records found  Search took 0.01 seconds. 
Kočová, Helena ; Honys, David (advisor) ; Kocábek, Tomáš (referee)
(anglicky) Androgenesis in the plant kingdom is an interesting phenomenon, in which a new individual is regenerated from male gametophyte. Having gametophytic, i.e. haploid number of chromosomes, these plants are potentially useful in research as well as for the generation of new genotypes. Duplication of their genetic information then results in fully homozygous plants, that can be used for breeding. At the same time, microspores represent a unique system for studying totipotency, cell proliferation, differentiation and embryogenesis. However, in many important crops as well as in some model species, such technology has not yet been efficiently managed. The aim of this thesis is to summarize the knowledge about androgenesis, from the historical context to the latest discoveries, including methods, development, complications and at the end also the possible use of obtained doubled haploid plants. Keywords: androgenesis, male gametophyte, microspore embryogenesis, pollen, totipotency, cell differentiation, stress, organogenesis, haploid

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