Overview on cyanobacterial exopolysaccharides and biofilms: role in bioremediation
Ubiquitous presence of cyanobacteria even under extreme conditions since millions of years is due to their ease in adaptability to these environments through various cellular and molecular modifications. Formation of biofilms has been found to be one of the effective modes of survival under harsh en...
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| Veröffentlicht in: | Reviews in environmental science and biotechnology 2021-09, Vol.20 (3), p.781-794 |
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| creator | Potnis, Akhilesh A. Raghavan, Prashanth S. Rajaram, Hema |
| description | Ubiquitous presence of cyanobacteria even under extreme conditions since millions of years is due to their ease in adaptability to these environments through various cellular and molecular modifications. Formation of biofilms has been found to be one of the effective modes of survival under harsh environmental conditions, with exopolysaccharides (EPS) contributing to the formation of these biofilms. Cyanobacterial EPS are unique heteropolysaccharides and being anionic in nature, they have the capabilities for excellent heavy metal adsorption and thus, play a vital role in conferring tolerance against heavy metal toxicity. EPS biosynthesis occurs through multiple pathways involving a multitude of genes. A comprehensive overview on these genes in cyanobacteria using
Nostoc
sp. strain PCC7120 as the model organism has been discussed in this review. The review also emphasizes on the contribution of EPS to heavy metal remediation and biofilm formation. In the age of developing eco-friendly approaches for environmental clean-up, this information would help engineer cyanobacteria as a potential green technology tool for bioremediation and waste water management. |
| doi_str_mv | 10.1007/s11157-021-09586-w |
| format | Article |
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Nostoc
sp. strain PCC7120 as the model organism has been discussed in this review. The review also emphasizes on the contribution of EPS to heavy metal remediation and biofilm formation. In the age of developing eco-friendly approaches for environmental clean-up, this information would help engineer cyanobacteria as a potential green technology tool for bioremediation and waste water management.</description><identifier>ISSN: 1569-1705</identifier><identifier>EISSN: 1572-9826</identifier><identifier>DOI: 10.1007/s11157-021-09586-w</identifier><language>eng</language><publisher>Dordrecht: Springer Netherlands</publisher><subject>Adaptability ; Atmospheric Protection/Air Quality Control/Air Pollution ; Biofilms ; Bioremediation ; Biosynthesis ; Clean technology ; Cyanobacteria ; Earth and Environmental Science ; Environment ; Environmental cleanup ; Environmental conditions ; Environmental Engineering/Biotechnology ; Exopolysaccharides ; Genes ; Heavy metals ; Microbiology ; Nostoc ; Review Paper ; Toxicity ; Wastewater ; Wastewater management ; Water management</subject><ispartof>Reviews in environmental science and biotechnology, 2021-09, Vol.20 (3), p.781-794</ispartof><rights>The Author(s), under exclusive licence to Springer Nature B.V. 2021</rights><rights>The Author(s), under exclusive licence to Springer Nature B.V. 2021.</rights><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c319t-119f617eb5e9c0f02d9b7c84c6ec1ec7d0ecdc52c9c7ac175f4c3536b21ce6033</citedby><cites>FETCH-LOGICAL-c319t-119f617eb5e9c0f02d9b7c84c6ec1ec7d0ecdc52c9c7ac175f4c3536b21ce6033</cites><orcidid>0000-0003-4271-045X</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11157-021-09586-w$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11157-021-09586-w$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,777,781,27905,27906,41469,42538,51300</link.rule.ids></links><search><creatorcontrib>Potnis, Akhilesh A.</creatorcontrib><creatorcontrib>Raghavan, Prashanth S.</creatorcontrib><creatorcontrib>Rajaram, Hema</creatorcontrib><title>Overview on cyanobacterial exopolysaccharides and biofilms: role in bioremediation</title><title>Reviews in environmental science and biotechnology</title><addtitle>Rev Environ Sci Biotechnol</addtitle><description>Ubiquitous presence of cyanobacteria even under extreme conditions since millions of years is due to their ease in adaptability to these environments through various cellular and molecular modifications. Formation of biofilms has been found to be one of the effective modes of survival under harsh environmental conditions, with exopolysaccharides (EPS) contributing to the formation of these biofilms. Cyanobacterial EPS are unique heteropolysaccharides and being anionic in nature, they have the capabilities for excellent heavy metal adsorption and thus, play a vital role in conferring tolerance against heavy metal toxicity. EPS biosynthesis occurs through multiple pathways involving a multitude of genes. A comprehensive overview on these genes in cyanobacteria using
Nostoc
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Nostoc
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| subjects | Adaptability Atmospheric Protection/Air Quality Control/Air Pollution Biofilms Bioremediation Biosynthesis Clean technology Cyanobacteria Earth and Environmental Science Environment Environmental cleanup Environmental conditions Environmental Engineering/Biotechnology Exopolysaccharides Genes Heavy metals Microbiology Nostoc Review Paper Toxicity Wastewater Wastewater management Water management |
| title | Overview on cyanobacterial exopolysaccharides and biofilms: role in bioremediation |
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