Fluorescence in situ hybridization of genes in environmental microbiology Cristina Moraru 1 Fluorescence in situ hybridization of genes in environmental microbiology Dissertation zur Erlangung des Grades eines Doktors der Naturwissenschaften - Dr. rer. nat. - dem Fachbereich Biologie/Chemie der Universität Bremen vorgelegt von Cristina Moraru Bremen 2010 2 Table of contents Table of contents ..................................................................................................................... 3Summary.................................................................................................................................. 5Zusammenfassung .................................................................................................................. 7List of abbreviations ................................................................................................................. 91. Introduction........ 111.1. Detection methods for in situ hybridizations............................................................... 121.2. Gene detection protocols and signal amplification methods in FISH techniques....... 121.3. Parameters influencing hybridization of polynucleotide nucleic acids........................ 241.5. Thesis Objectives ....................................................................................................... 302.