Taxonomy of phosphate solublizing bacteria
Although phosphate solubilizing capabilities seem to be widespread within bacterial taxa, it is surprising, that the description of phosphate solubilizing bacteria is restricted to relatively few bacterial genera. Among the bacteria, strains belonging to the genus Rhizobium and related organisms have been investigated most extensively until now. In addition, several other organisms belonging to taxonomically different and phylogenetic largely unrelated genera (e.g. Bacillus, Paenibacillus, Escherichia, Enterobacter, Rahnella, Pseudomonas, Burkholderia and some others) have been studied for their potential to solubilize phosphate. This report gives a short overview on the taxonomy of these genera and some reommendations for identification of unknown organisms with phosphate solubilizing potential in the light of microbial diversity in soil and the current species “definition” in bacteriology.
Key wordsclassical methods diversity molecular methods phosphate solubilizing bacteria species identification taxonomy
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