نتایج جستجو برای: lignocellulose

تعداد نتایج: 1980  

2017
Prashant Mohan-Anupama Pawar Marta Derba-Maceluch Sun-Li Chong Madhavi Latha Gandla Shamrat Shafiul Bashar Tobias Sparrman Patrik Ahvenainen Mattias Hedenström Merve Özparpucu Markus Rüggeberg Ritva Serimaa Martin Lawoko Maija Tenkanen Leif J Jönsson Ewa J Mellerowicz

BACKGROUND Lignocellulose from fast growing hardwood species is a preferred source of polysaccharides for advanced biofuels and "green" chemicals. However, the extensive acetylation of hardwood xylan hinders lignocellulose saccharification by obstructing enzymatic xylan hydrolysis and causing inhibitory acetic acid concentrations during microbial sugar fermentation. To optimize lignocellulose f...

2017
Lucas Auer Adèle Lazuka David Sillam-Dussès Edouard Miambi Michael O'Donohue Guillermina Hernandez-Raquet

Termites are xylophages, being able to digest a wide variety of lignocellulosic biomass including wood with high lignin content. This ability to feed on recalcitrant plant material is the result of complex symbiotic relationships, which involve termite-specific gut microbiomes. Therefore, these represent a potential source of microorganisms for the bioconversion of lignocellulose in bioprocesse...

2015
Yongjun Wei Haokui Zhou Jun Zhang Lei Zhang Alei Geng Fanghua Liu Guoping Zhao Shengyue Wang Zhihua Zhou Xing Yan Lorenzo Brusetti

Diverse cellulolytic bacteria are essential for maintaining high lignocellulose degradation ability in biogas digesters. However, little was known about functional genes and gene clusters of dominant cellulolytic bacteria in biogas digesters. This is the foundation to understand lignocellulose degradation mechanisms of biogas digesters and apply these gene resource for optimizing biofuel produc...

Journal: :Applied and environmental microbiology 2015
Cassandra E Nelson Jeffrey G Gardner

The depolymerization of the recalcitrant polysaccharides found in lignocellulose has become an area of intense interest due to the role of this process in global carbon cycling, human gut microbiome nutritional contributions, and bioenergy production. However, underdeveloped genetic tools have hampered study of bacterial lignocellulose degradation, especially outside model organisms. In this re...

2017
Bruno L. Mello Anna M. Alessi Diego M. Riaño-Pachón Eduardo R. deAzevedo Francisco E. G. Guimarães Melissa C. Espirito Santo Simon McQueen-Mason Neil C. Bruce Igor Polikarpov

Background Using globally abundant crop residues as a carbon source for energy generation and renewable chemicals production stand out as a promising solution to reduce current dependency on fossil fuels. In nature, such as in compost habitats, microbial communities efficiently degrade the available plant biomass using a diverse set of synergistic enzymes. However, deconstruction of lignocellul...

2017
Dong Wu Xueren Qian Jing Shen

The development of lignocellulose-derived sustainable plastics is an important strategy for a greener future. Cellulosic hydrogels, which are readily generated from a cellulosic source (e.g., wood pulp), can be converted into high-strength plastics by hot-pressing. In this process, cellulose macromolecules are fluidized and reassembled, leading to significant change of bonding interactions and ...

2013
Mekonnen M Demeke Heiko Dietz Yingying Li María R Foulquié-Moreno Sarma Mutturi Sylvie Deprez Tom Den Abt Beatriz M Bonini Gunnar Liden Françoise Dumortier Alex Verplaetse Eckhard Boles Johan M Thevelein

BACKGROUND The production of bioethanol from lignocellulose hydrolysates requires a robust, D-xylose-fermenting and inhibitor-tolerant microorganism as catalyst. The purpose of the present work was to develop such a strain from a prime industrial yeast strain, Ethanol Red, used for bioethanol production. RESULTS An expression cassette containing 13 genes including Clostridium phytofermentans ...

2012
Matt D. Sweeney Feng Xu

The economic utilization of abundant lignocellulosic biomass as a feedstock for the production of fuel and chemicals would represent a profound shift in industrial carbon utilization, allowing sustainable resources to substitute for, and compete with, petroleum based products. In order to exploit biomass as a source material for production of renewable compounds, it must first be broken down in...

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