Improvement of acetic acid tolerance of Saccharomyces cerevisiae using a zinc-finger-based artificial transcription factor and identification of novel genes involved in acetic acid tolerance

Verfasser / Beitragende:
[Cui Ma, Xiaowen Wei, Cuihuan Sun, Fei Zhang, Jianren Xu, Xinqing Zhao, Fengwu Bai]
Ort, Verlag, Jahr:
2015
Enthalten in:
Applied Microbiology and Biotechnology, 99/5(2015-03-01), 2441-2449
Format:
Artikel (online)
ID: 605504350
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024 7 0 |a 10.1007/s00253-014-6343-x  |2 doi 
035 |a (NATIONALLICENCE)springer-10.1007/s00253-014-6343-x 
245 0 0 |a Improvement of acetic acid tolerance of Saccharomyces cerevisiae using a zinc-finger-based artificial transcription factor and identification of novel genes involved in acetic acid tolerance  |h [Elektronische Daten]  |c [Cui Ma, Xiaowen Wei, Cuihuan Sun, Fei Zhang, Jianren Xu, Xinqing Zhao, Fengwu Bai] 
520 3 |a Acetic acid is present in cellulosic hydrolysate as a potent inhibitor, and the superior acetic acid tolerance of Saccharomyces cerevisiae ensures good cell viability and efficient ethanol production when cellulosic raw materials are used as substrates. In this study, a mutant strain of S. cerevisiae ATCC4126 (Sc4126-M01) with improved acetic acid tolerance was obtained through screening strains transformed with an artificial zinc finger protein transcription factor (ZFP-TF) library. Further analysis indicated that improved acetic acid tolerance was associated with improved catalase (CAT) activity. The ZFP coding sequence associated with the improved phenotype was identified, and real-time RT-PCR analysis revealed that three of the possible genes involved in the enhanced acetic acidtolerance regulated by this ZFP-TF, namely YFL040W, QDR3, and IKS1, showed decreased transcription levels in Sc4126-M01 in the presence of acetic acid, compared to those in the control strain. Sc4126-M01 mutants having QDR3 and IKS1 deletion (ΔQDR3 and ΔIKS1) exhibited higher acetic acid tolerance than the wild-type strain under acetic acid treatment. Glucose consumption rate and ethanol productivity in the presence of 5g/L acetic acid were improved in the ΔQDR3 mutant compared to the wild-type strain. Our studies demonstrated that the synthetic ZFP-TF library can be used to improve acetic acid tolerance of S. cerevisiae and that the employment of an artificial transcription factor can facilitate the exploration of novel functional genes involved in stress tolerance of S. cerevisiae. 
540 |a Springer-Verlag Berlin Heidelberg, 2015 
690 7 |a Saccharomyces cerevisiae  |2 nationallicence 
690 7 |a Artificial transcription factor (ATF)  |2 nationallicence 
690 7 |a Zinc finger protein (ZFP)  |2 nationallicence 
690 7 |a Acetic acid tolerance  |2 nationallicence 
690 7 |a QDR3  |2 nationallicence 
690 7 |a Ethanol production  |2 nationallicence 
700 1 |a Ma  |D Cui  |u School of Life Science and Biotechnology, Dalian University of Technology, 116024, Dalian, China  |4 aut 
700 1 |a Wei  |D Xiaowen  |u School of Life Science and Biotechnology, Dalian University of Technology, 116024, Dalian, China  |4 aut 
700 1 |a Sun  |D Cuihuan  |u Liaoning Academy of Microbiology, 122000, Chaoyang, China  |4 aut 
700 1 |a Zhang  |D Fei  |u School of Life Science and Biotechnology, Dalian University of Technology, 116024, Dalian, China  |4 aut 
700 1 |a Xu  |D Jianren  |u School of Life Science and Biotechnology, Dalian University of Technology, 116024, Dalian, China  |4 aut 
700 1 |a Zhao  |D Xinqing  |u School of Life Science and Biotechnology, Dalian University of Technology, 116024, Dalian, China  |4 aut 
700 1 |a Bai  |D Fengwu  |u School of Life Science and Biotechnology, Dalian University of Technology, 116024, Dalian, China  |4 aut 
773 0 |t Applied Microbiology and Biotechnology  |d Springer Berlin Heidelberg  |g 99/5(2015-03-01), 2441-2449  |x 0175-7598  |q 99:5<2441  |1 2015  |2 99  |o 253 
856 4 0 |u https://doi.org/10.1007/s00253-014-6343-x  |q text/html  |z Onlinezugriff via DOI 
898 |a BK010053  |b XK010053  |c XK010000 
900 7 |a Metadata rights reserved  |b Springer special CC-BY-NC licence  |2 nationallicence 
908 |D 1  |a research-article  |2 jats 
949 |B NATIONALLICENCE  |F NATIONALLICENCE  |b NL-springer 
950 |B NATIONALLICENCE  |P 856  |E 40  |u https://doi.org/10.1007/s00253-014-6343-x  |q text/html  |z Onlinezugriff via DOI 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Ma  |D Cui  |u School of Life Science and Biotechnology, Dalian University of Technology, 116024, Dalian, China  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Wei  |D Xiaowen  |u School of Life Science and Biotechnology, Dalian University of Technology, 116024, Dalian, China  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Sun  |D Cuihuan  |u Liaoning Academy of Microbiology, 122000, Chaoyang, China  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Zhang  |D Fei  |u School of Life Science and Biotechnology, Dalian University of Technology, 116024, Dalian, China  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Xu  |D Jianren  |u School of Life Science and Biotechnology, Dalian University of Technology, 116024, Dalian, China  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Zhao  |D Xinqing  |u School of Life Science and Biotechnology, Dalian University of Technology, 116024, Dalian, China  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Bai  |D Fengwu  |u School of Life Science and Biotechnology, Dalian University of Technology, 116024, Dalian, China  |4 aut 
950 |B NATIONALLICENCE  |P 773  |E 0-  |t Applied Microbiology and Biotechnology  |d Springer Berlin Heidelberg  |g 99/5(2015-03-01), 2441-2449  |x 0175-7598  |q 99:5<2441  |1 2015  |2 99  |o 253