Thesis statement in Swedish and English abstract inserted. Based on 5 previously prepared or published papers reprinted here. "Dissertation." "ISRN SLU-MIKRO-R--64--SE." Includes bibliographical references.
Series:
Report / Swedish University of Agricultural Sciences, Department of Microbiology, Uppsala Genetic Center, 64 Report / Swedish University of Agricultural Sciences, Department of Microbiology, Uppsala Genetic Center, 0348-4041 ; 64
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