Characterization of the thermal-tolerant mutants of Chlorella sp. with high growth rate and application in outdoor photobioreactor cultivation

Seow Chin Ong; Chien Ya Kao; Sheng Yi Chiu; Ming Ta Tsai; Chih-Sheng Lin

doi:10.1016/j.biortech.2009.10.007

Characterization of the thermal-tolerant mutants of Chlorella sp. with high growth rate and application in outdoor photobioreactor cultivation

Seow Chin Ong, Chien Ya Kao, Sheng Yi Chiu, Ming Ta Tsai, Chih-Sheng Lin^*

^*此作品的通信作者

生物科技學系

研究成果: Article › 同行評審

63 引文斯高帕斯（Scopus）

摘要

In this study, two thermal-tolerant mutants of Chlorella sp. MT-7 and MT-15, were isolated. In indoor cultivation, specific growth rate (μ, d^-1) of the mutants were 1.4 to 1.8-fold at 25 °C and 3.3 to 6.7-fold at 40 °C higher than those of wild type. The carbon dioxide fixation rate of both microalgal mutants was also significantly higher than that of wild type. In outdoor closed cultivation, where the temperature of culture broth was 41 ± 1 °C, the μ of mutant strain MT-15 was 0.238 d^-1 during an 8-day cultivation. Whereas, the growth of wild type was inhibited in the outdoor cultivation. Our results show that the isolated microalgal strains are adaptable to be applied in outdoor cultivation in subtropical zones.

原文	English
頁（從 - 到）	2880-2883
頁數	4
期刊	Bioresource Technology
卷	101
發行號	8
DOIs	https://doi.org/10.1016/j.biortech.2009.10.007
出版狀態	Published - 1 4月 2010

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title = "Characterization of the thermal-tolerant mutants of Chlorella sp. with high growth rate and application in outdoor photobioreactor cultivation",

abstract = "In this study, two thermal-tolerant mutants of Chlorella sp. MT-7 and MT-15, were isolated. In indoor cultivation, specific growth rate (μ, d-1) of the mutants were 1.4 to 1.8-fold at 25 °C and 3.3 to 6.7-fold at 40 °C higher than those of wild type. The carbon dioxide fixation rate of both microalgal mutants was also significantly higher than that of wild type. In outdoor closed cultivation, where the temperature of culture broth was 41 ± 1 °C, the μ of mutant strain MT-15 was 0.238 d-1 during an 8-day cultivation. Whereas, the growth of wild type was inhibited in the outdoor cultivation. Our results show that the isolated microalgal strains are adaptable to be applied in outdoor cultivation in subtropical zones.",

keywords = "Carbon dioxide, Chlorella sp., Growth, Microalgae, Thermal-tolerant mutant",

author = "Ong, {Seow Chin} and Kao, {Chien Ya} and Chiu, {Sheng Yi} and Tsai, {Ming Ta} and Chih-Sheng Lin",

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T1 - Characterization of the thermal-tolerant mutants of Chlorella sp. with high growth rate and application in outdoor photobioreactor cultivation

AU - Ong, Seow Chin

AU - Kao, Chien Ya

AU - Chiu, Sheng Yi

AU - Tsai, Ming Ta

AU - Lin, Chih-Sheng

PY - 2010/4/1

Y1 - 2010/4/1

N2 - In this study, two thermal-tolerant mutants of Chlorella sp. MT-7 and MT-15, were isolated. In indoor cultivation, specific growth rate (μ, d-1) of the mutants were 1.4 to 1.8-fold at 25 °C and 3.3 to 6.7-fold at 40 °C higher than those of wild type. The carbon dioxide fixation rate of both microalgal mutants was also significantly higher than that of wild type. In outdoor closed cultivation, where the temperature of culture broth was 41 ± 1 °C, the μ of mutant strain MT-15 was 0.238 d-1 during an 8-day cultivation. Whereas, the growth of wild type was inhibited in the outdoor cultivation. Our results show that the isolated microalgal strains are adaptable to be applied in outdoor cultivation in subtropical zones.

AB - In this study, two thermal-tolerant mutants of Chlorella sp. MT-7 and MT-15, were isolated. In indoor cultivation, specific growth rate (μ, d-1) of the mutants were 1.4 to 1.8-fold at 25 °C and 3.3 to 6.7-fold at 40 °C higher than those of wild type. The carbon dioxide fixation rate of both microalgal mutants was also significantly higher than that of wild type. In outdoor closed cultivation, where the temperature of culture broth was 41 ± 1 °C, the μ of mutant strain MT-15 was 0.238 d-1 during an 8-day cultivation. Whereas, the growth of wild type was inhibited in the outdoor cultivation. Our results show that the isolated microalgal strains are adaptable to be applied in outdoor cultivation in subtropical zones.

KW - Carbon dioxide

KW - Chlorella sp.

KW - Growth

KW - Microalgae

KW - Thermal-tolerant mutant

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SN - 0960-8524

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JO - Bioresource Technology

JF - Bioresource Technology

IS - 8

ER -

Characterization of the thermal-tolerant mutants of Chlorella sp. with high growth rate and application in outdoor photobioreactor cultivation

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