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JOURNAL ARTICLE

Advances in the technologies for studying consortia of bacteria and cyanobacteria/microalgae in wastewaters

Isiri Adhiwarie Perera, Sudharsanam Abinandan, Suresh R Subashchandrabose, Kadiyala Venkateswarlu, Ravi Naidu, Mallavarapu Megharaj
Critical Reviews in Biotechnology 2019 April 11, : 1-23
30971144
The excessive generation and discharge of wastewaters have been serious concerns worldwide in the recent past. From an environmental friendly perspective, bacteria, cyanobacteria and microalgae, and the consortia have been largely considered for biological treatment of wastewaters. For efficient use of bacteria‒cyanobacteria/microalgae consortia in wastewater treatment, detailed knowledge on their structure, behavior and interaction is essential. In this direction, specific analytical tools and techniques play a significant role in studying these consortia. This review presents a critical perspective on physical, biochemical and molecular techniques such as microscopy, flow cytometry with cell sorting, nanoSIMS and omics approaches used for systematic investigations of the structure and function, particularly nutrient removal potential of bacteria‒cyanobacteria/microalgae consortia. In particular, the use of specific molecular techniques of genomics, transcriptomics, proteomics metabolomics and genetic engineering to develop more stable consortia of bacteria and cyanobacteria/microalgae with their improved biotechnological capabilities in wastewater treatment has been highlighted.

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