Advances in ethanol production

CC Geddes, IU Nieves, LO Ingram - Current opinion in biotechnology, 2011 - Elsevier
Barriers to the commercialization of lignocellulosic ethanol include the development of more
robust biocatalysts, reduction of cellulase costs, and high capital cost associated with a …

Simplified process for ethanol production from sugarcane bagasse using hydrolysate-resistant Escherichia coli strain MM160

CC Geddes, MT Mullinnix, IU Nieves, JJ Peterson… - Bioresource …, 2011 - Elsevier
Hexose and pentose sugars from phosphoric acid pretreated sugarcane bagasse were co-
fermented to ethanol in a single vessel (SScF), eliminating process steps for solid–liquid …

Recent advances in the metabolic engineering of Corynebacterium glutamicum for the production of lactate and succinate from renewable resources

Y Tsuge, T Hasunuma, A Kondo - Journal of Industrial …, 2015 - academic.oup.com
Recent increasing attention to environmental issues and the shortage of oil resources have
spurred political and industrial interest in the development of environmental friendly and cost …

Isolation and structural characterization of sugarcane bagasse lignin after dilute phosphoric acid plus steam explosion pretreatment and its effect on cellulose …

J Zeng, Z Tong, L Wang, JY Zhu, L Ingram - Bioresource Technology, 2014 - Elsevier
The structure of lignin after dilute phosphoric acid plus steam explosion pretreatment
process of sugarcane bagasse in a pilot scale and the effect of the lignin extracted by …

Fermentation of sweet sorghum derived sugars to butyric acid at high titer and productivity by a moderate thermophile Clostridium thermobutyricum at 50 C

L Wang, MS Ou, I Nieves, JE Erickson… - Bioresource …, 2015 - Elsevier
In this study, a moderate thermophile Clostridium thermobutyricum is shown to ferment the
sugars in sweet sorghum juice treated with invertase and supplemented with tryptone (10 g …

Effect of reduced sulfur compounds on the fermentation of phosphoric acid pretreated sugarcane bagasse by ethanologenic Escherichia coli

IU Nieves, CC Geddes, EN Miller, MT Mullinnix… - Bioresource …, 2011 - Elsevier
The addition of reduced sulfur compounds (thiosulfate, cysteine, sodium hydrosulfite, and
sodium metabisulfite) increased growth and fermentation of dilute acid hydrolysate of …

Increase in Furfural Tolerance in Ethanologenic Escherichia coli LY180 by Plasmid-Based Expression of thyA

H Zheng, X Wang, LP Yomano… - Applied and …, 2012 - Am Soc Microbiol
Furfural is an inhibitory side product formed during the depolymerization of hemicellulose by
mineral acids. Genomic libraries from three different bacteria (Bacillus subtilis YB886 …

Sweet Sorghum Juice and Bagasse as Feedstocks for the Production of Optically Pure Lactic Acid by Native and Engineered Bacillus coagulans Strains

MS Ou, D Awasthi, I Nieves, L Wang, J Erickson… - BioEnergy …, 2016 - Springer
Sweet sorghum is a bioenergy crop that produces large amounts of soluble sugars in its
stems (3–7 Mg ha− 1) and generates significant amounts of bagasse (15–20 Mg ha− 1) as a …

Improving furfural tolerance of Zymomonas mobilis by rewiring a sigma factor RpoD protein

FR Tan, LC Dai, B Wu, H Qin, ZX Shui, JL Wang… - Applied Microbiology …, 2015 - Springer
Furfural from lignocellulosic hydrolysates is the key inhibitor for bio-ethanol fermentation. In
this study, we report a strategy of improving the furfural tolerance in Zymomonas mobilis on …

Injection of air into the headspace improves fermentation of phosphoric acid pretreated sugarcane bagasse by Escherichia coli MM170

IU Nieves, CC Geddes, MT Mullinnix, RW Hoffman… - Bioresource …, 2011 - Elsevier
Microaeration (injecting air into the headspace) improved the fermentation of hemicellulose
hydrolysates obtained from the phosphoric acid pretreatment of sugarcane bagasse at 170° …