Thermotolerant Kluyveromyces marxianus and Saccharomyces cerevisiae strains representing potentials for bioethanol production from Jerusalem artichoke by consolidated bioprocessing

Hu, Nan; Yuan, Bo; Sun, Juan; Wang, Shian; Li, Fu‐Li

doi:10.1007/s00253-012-4240-8

Cited by 88 publications

(64 citation statements)

References 46 publications

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“…Consequentially, there have been many 19 studies seeking to exploit the beneficial traits of K. marxianus for bioethanol 20 production. For example, ethanol has been produced from different substrates 21 such as glucose (Castro and Roberto, 2014), lignocellulosic material 22 (Goshima et al, 2013) and Jerusalem artichoke (Hu et al, 2012). 23 24 genome of the K. marxianus strain DMKU3-1042, used for high-temperature 11 ethanol fermentations, was used for genome comparisons (Lertwattanasakul 12 et al, 2015;Nonklang et al, 2008).…”

Section: K 17mentioning

confidence: 99%

Polymorphisms in the LAC12 gene explain lactose utilisation variability in Kluyveromyces marxianus strains

Varela¹,

Montini²,

Scully³

et al. 2017

FEMS Yeast Research

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Section: K 17mentioning

confidence: 99%

Polymorphisms in the LAC12 gene explain lactose utilisation variability in Kluyveromyces marxianus strains

Varela¹,

Montini²,

Scully³

et al. 2017

FEMS Yeast Research

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“…In the present work, initial pH of the medium affected ethanol yield and the content of N and C at DDG. A wide range of optimum pH (4.0 to 8.0) was reported for S. cerevisiae JZ1C isolated from rhizosphere of Jerusalem artichoke using inulin and Jerusalem artichoke tuber as substrate at 35°C (Hu et al, 2012). Optimum pH for S. cerevisiae BY4742 was in the range of 4.0 to 5.0.…”

Section: Discussionmentioning

confidence: 97%

Improving ethanol production by co-culturing of Saccharomyces cerevisiae with Candida tropicalis from rice husk hydrolysate media

Sopandi¹,

Wardah²

2017

Afr. J. Microbiol. Res.

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The use of agricultural by-product as feed stock and co-culture fermentation is a good strategy for improving the efficiency of fermentation and ethanol production. Most rice husks have low protein and nitrogen content and need to be supplemented with nitrogen for fermentation process. This research sought to determine the optimal supplementation of rice husk stream-based fermentation medium with nitrogen and molasses sources, initial pH and incubation time for maximizing ethanol production by coculturing Saccharomyces cerevisiae with Candida tropicalis. Urea, sodium nitrate and ammonium nitrate were used as nitrogen sources and molasses was used as carbon sources. Co-cultures of S.

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“…However, a few S. cerevisiae strains are able to utilize inulin and convert inulin-type sugars to ethanol (Lim et al, 2011;Hu et al, 2012). It was shown that the invertase SUC2 is a key enzyme responsible for inulin utilization by S. cerevisiae due to its exoinulinase activity .…”

Section: Endoinulinase and Inherent Invertasementioning

confidence: 99%

“…Hu et al (2012) isolated and characterized two K. marxianus PT-1 (CGMCC AS2.4515) and S. cerevisiae JZ1C (CGMCC AS2.3878) and reported the highest extracellular inulinase activity and ethanol yield of 73.6 and 65.2 g ethanol/l, respectively, in Jerusalem artichoke tuber flour fermentation (200 g /l) at 40 °C. This study confirmed the distinctive superiority of K. marxianus as CBP organism for ethanol production from inulin-type oligosaccharides such as Jerusalem artichoke tubers (Hu et al, 2012). Yuan et al (2012) could successfully produce ethanol from inulin-rich Jerusalem artichoke tubers using the inulinase-producing yeast K. marxianus Y179 in a fed-batch operation.…”

Section: Kluyveromyces Marxianusmentioning

confidence: 99%

“…Previous studies have shown the high potential of K. marxianus for CBP ethanol production using different feedstocks at high temperatures (Fonseca et al, 2007(Fonseca et al, , 2008Yuan et al, 2012;Flores et al, 2013). Hu et al (2012) isolated and characterized two K. marxianus PT-1 (CGMCC AS2.4515) and S. cerevisiae JZ1C (CGMCC AS2.3878) and reported the highest extracellular inulinase activity and ethanol yield of 73.6 and 65.2 g ethanol/l, respectively, in Jerusalem artichoke tuber flour fermentation (200 g /l) at 40 °C. This study confirmed the distinctive superiority of K. marxianus as CBP organism for ethanol production from inulin-type oligosaccharides such as Jerusalem artichoke tubers (Hu et al, 2012).…”

Section: Kluyveromyces Marxianusmentioning

confidence: 99%

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Advances in consolidated bioprocessing systems for bioethanol and butanol production from biomass: a comprehensive review

2015

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HIGHLIGHTS Various CBP strategies have been discussed. Recently, lignocellulosic biomass as the most abundant renewable resource has been widely considered for bioalcohols production. However, the complex structure of lignocelluloses requires a multi-step process which is costly and time consuming. Although, several bioprocessing approaches have been developed for pretreatment, saccharification and fermentation, bioalcohols production from lignocelluloses is still limited because of the economic infeasibility of these technologies. This cost constraint could be overcome by designing and constructing robust cellulolytic and bioalcohols producing microbes and by using them in a consolidated bioprocessing (CBP) system. This paper comprehensively reviews potentials, recent advances and challenges faced in CBP systems for efficient bioalcohols (ethanol and butanol) production from lignocellulosic and starchy biomass. The CBP strategies include using native single strains with cellulytic and alcohol production activities, microbial co-cultures containing both cellulytic and ethanologenic microorganisms, and genetic engineering of cellulytic microorganisms to be alcohol-producing or alcohol producing microorganisms to be cellulytic. Moreover, high-throughput techniques, such as metagenomics, metatranscriptomics, next generation sequencing and synthetic biology developed to explore novel microorganisms and powerful enzymes with high activity, thermostability and pH stability are also discussed. Currently, the CBP technology is in its infant stage, and ideal microorganisms and/or conditions at industrial scale are yet to be introduced. So, it is essential to bring into attention all barriers faced and take advantage of all the experiences gained to achieve a high-yield and low-cost CBP process.

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Thermotolerant Kluyveromyces marxianus and Saccharomyces cerevisiae strains representing potentials for bioethanol production from Jerusalem artichoke by consolidated bioprocessing

Cited by 88 publications

References 46 publications

Polymorphisms in the LAC12 gene explain lactose utilisation variability in Kluyveromyces marxianus strains

Polymorphisms in the LAC12 gene explain lactose utilisation variability in Kluyveromyces marxianus strains

Improving ethanol production by co-culturing of Saccharomyces cerevisiae with Candida tropicalis from rice husk hydrolysate media

Advances in consolidated bioprocessing systems for bioethanol and butanol production from biomass: a comprehensive review

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