The molecular capabilities of the microbiology field have advanced to the point where oligonucleotide primers canbe developed for the specific amplification of 16S RNA gene segments of target organisms , such as cyanobacteria ,for example . If you are working with a river sample filled with bacteria , cyanobacteria , diatoms , and algae , explainwhy development of primers developed specifically for a single organism type ( such as cyanobacteria) allow for therapid and phylogenetically meaningful identification of target organisms ( again , such as cyanobacteria from a riversample in this case ) can be achieved without the need to pure culture the river sample first…