Isolation and characterization of Leptolyngbya sp KIOST-1, a basophilic and euryhaline filamentous cyanobacterium from an open paddle-wheel raceway Arthrospira culture pond in Korea
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Title
- Isolation and characterization of Leptolyngbya sp KIOST-1, a basophilic and euryhaline filamentous cyanobacterium from an open paddle-wheel raceway Arthrospira culture pond in Korea
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Author(s)
- Kim, J. H.; Choi, W.; Jeon, S. -M.; Kim, T.; Park, A.; Kim, J.; Heo, S. -J.; Oh, C.; Shim, W. -B.; Kang, D. -H.
- KIOST Author(s)
- Kim, Tae Ho(김태호); Park, Areumi(박아름이); Kim, Jun Seong(김준성); Heo, Soo Jin(허수진); Oh, Chul Hong(오철홍); Kang, Do Hyung(강도형)
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Alternative Author(s)
- 최우석; 김태호; 박아름이; 김준성; 허수진; 오철홍; 강도형
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Publication Year
- 2015-12
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Abstract
- Aims: Cyanobacteria have been used as sustainable bioresource producers for foods, feeds and other valuable natural products. However, selection of a new species (other than Arthrospira), with advantageous properties for alimentary purposes, continues to be a challenge due to potential toxicity and low biomass productivity. In this study, we report a valuable filamentous cyanobacterium isolated from Korea. Methods and Results: Morphological and phylogenetic analyses demonstrated that the isolate belongs to the genus Leptolyngbya, and consequently designated Leptolyngbya sp. KIOST-1. Interestingly, Leptolyngbya sp. KIOST-1 possessed numerous advantageous characteristics for biomass production, similar to Arthrospira. The isolate readily propagated in SOT medium with efficient biomass productivity, and its optimum growth was observed at 30 degrees C under alkaline and saline conditions. Moreover, more than half of the cellular components in Leptolyngbya sp. KIOST-1 were composed of protein, with approx. 40% of essential amino acids. Most importantly, no significant cytotoxicity was detected in the isolate. Conclusions: Leptolyngbya sp. KIOST-1 has a number of advantageous characteristics for alimentary purposes due to its efficient productivity, high protein content and lack of potential cytotoxicity. Significance and Impact of the Study: Leptolyngbya sp. KIOST-1 may be considered a potential candidate for industrial biomass production, similar to Arthrospira.
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ISSN
- 1364-5072
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URI
- https://sciwatch.kiost.ac.kr/handle/2020.kiost/2085
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DOI
- 10.1111/jam.12961
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Bibliographic Citation
- JOURNAL OF APPLIED MICROBIOLOGY, v.119, no.6, pp.1597 - 1612, 2015
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Publisher
- WILEY-BLACKWELL
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Subject
- BLUE-GREEN-ALGAE; SPIRULINA-PLATENSIS; MAXIMUM-LIKELIHOOD; PURE CULTURE; MICROALGAE; DIVERSITY; FOOD; CONTAMINATION; CULTIVATION; SUPPLEMENTS
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Keywords
- alimentary purposes; Arthrospira; biomass productivity; cyanobacterium; cytotoxicity; Leptolyngbya sp KIOST-1; protein
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Type
- Article
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Language
- English
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Document Type
- Article
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