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Effect of temperature on ethanol tolerance of thermotolerant Isshatchenkia orientalis IPE100
Kwon, Yong-Jin1,2; Wang, Feng1; Li, Qian1,2; Liu, Chun-Zhao1
2013-03-01
Source PublicationENGINEERING IN LIFE SCIENCES
Volume13Issue:2Pages:126-131
AbstractTolerance to high temperature and ethanol is a major factor in high-temperature bio-ethanol fermentation. The inhibitory effect of exogenously added ethanol (0100 g L1) on the growth of the newly isolated thermotolerant Issatchenkia orientalis IPE100 was evaluated at a range of temperatures (3045 degrees C). A generalized Monod equation with product inhibition was used to quantify ethanol tolerance, and it correlated well with the experimental data on microbial growth inhibition of ethanol at the temperatures of 3045 degrees C. The maximum inhibitory concentration of ethanol for growth (Pm) and toxic power (n) at the optimal growth temperature of 42 degrees C were estimated to be 96.7 g L1 and 1.23, respectively. The recently isolated thermotolerant I. orientalis IPE100 shows therefore a strong potential for the development of future high-temperature bio-ethanol fermentation technologies. This study provides useful insights into our understanding of the temperature-dependent inhibitory effects of ethanol on yeast growth.
KeywordEthanol Tolerance Modeling Product Inhibition Temperature Thermotolerant Yeast
SubtypeArticle
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
Indexed BySCI
Language英语
WOS KeywordSACCHAROMYCES-CEREVISIAE ; STRESS TOLERANCE ; FUEL ETHANOL ; FERMENTATION ; YEAST ; KINETICS ; INHIBITION ; PARAMETERS ; STRAINS ; PRODUCT
WOS Research AreaBiotechnology & Applied Microbiology
WOS SubjectBiotechnology & Applied Microbiology
WOS IDWOS:000316265500002
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/13553
Collection研究所(批量导入)
Affiliation1.Chinese Acad Sci, Inst Proc Engn, Natl Key Lab Biochem Engn, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Kwon, Yong-Jin,Wang, Feng,Li, Qian,et al. Effect of temperature on ethanol tolerance of thermotolerant Isshatchenkia orientalis IPE100[J]. ENGINEERING IN LIFE SCIENCES,2013,13(2):126-131.
APA Kwon, Yong-Jin,Wang, Feng,Li, Qian,&Liu, Chun-Zhao.(2013).Effect of temperature on ethanol tolerance of thermotolerant Isshatchenkia orientalis IPE100.ENGINEERING IN LIFE SCIENCES,13(2),126-131.
MLA Kwon, Yong-Jin,et al."Effect of temperature on ethanol tolerance of thermotolerant Isshatchenkia orientalis IPE100".ENGINEERING IN LIFE SCIENCES 13.2(2013):126-131.
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