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Showing 1 to 12 of 2066 entries
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Revealing Nature's Cellulase Diversity: The Digestion Mechanism of Caldicellulosiruptor bescii CelA

diversity

Brunecky R, Alahuhta M, Xu Q, Donohoe BS.
GSID: IieGVQ6oYn8J
R Brunecky, M Alahuhta, Q Xu, BS Donohoe… - Science, 2013 - science.org

Most fungi and bacteria degrade plant cell walls by secreting free, complementary enzymes that hydrolyze cellulose; however, some bacteria use large enzymatic assemblies called cellulosomes, which recruit complementary enzymes to protein scaffolds. The thermophilic …

Bioprocess and biotecnology: effect of xylanase from Aspergillus niger and Aspergillus flavus on pulp biobleaching and enzyme production using agroindustrial residues as substract.

SpringerPlus

de Alencar Guimaraes NC, Sorgatto M, Peixoto-Nogueira Sde C, Betini JH, Zanoelo FF, Marques MR, de Moraes Polizeli Mde L, Giannesi GC.
PMID: 24010038
Springerplus. 2013 Aug 13;2:380. doi: 10.1186/2193-1801-2-380. eCollection 2013.

This study compares two xylanases produced by filamentous fungi such as A. niger and A. flavus using agroindustrial residues as substract and evaluated the effect of these enzymes on cellulose pulp biobleaching process. Wheat bran was the best carbon...

Genome sequencing and transcriptome analysis of .

Biotechnology for biofuels

Ivanova C, Ramoni J, Aouam T, Frischmann A, Seiboth B, Baker SE, Le Crom S, Lemoine S, Margeot A, Bidard F.
PMID: 28912831
Biotechnol Biofuels. 2017 Sep 07;10:209. doi: 10.1186/s13068-017-0897-7. eCollection 2017.

BACKGROUND: The hydrolysis of biomass to simple sugars used for the production of biofuels in biorefineries requires the action of cellulolytic enzyme mixtures. During the last 50 years, the ascomycete RESULTS: Sequence comparison of the cellulase-negative strain QM9978 to...

Single cell oil production by .

Biotechnology for biofuels

Zhao C, Fang H, Chen S.
PMID: 28852423
Biotechnol Biofuels. 2017 Aug 23;10:202. doi: 10.1186/s13068-017-0889-7. eCollection 2017.

BACKGROUND: Single cell oil (SCO) production from lignocelluloses by oleaginous microorganisms is still high in production cost, making the subsequent production of biofuels inviable economically in such an era of low oil prices. Therefore, how to upgrade the final...

Crystal structure and biochemical characterization of the recombinant ThBgl, a GH1 β-glucosidase overexpressed in Trichoderma harzianum under biomass degradation conditions.

Biotechnology for biofuels

Santos CA, Zanphorlin LM, Crucello A, Tonoli CCC, Ruller R, Horta MAC, Murakami MT, de Souza AP.
PMID: 27006690
Biotechnol Biofuels. 2016 Mar 22;9:71. doi: 10.1186/s13068-016-0487-0. eCollection 2016.

BACKGROUND: The conversion of biomass-derived sugars via enzymatic hydrolysis for biofuel production is a challenge. Therefore, the search for microorganisms and key enzymes that increase the efficiency of the saccharification of cellulosic substrates remains an important and high-priority area...

Process relevant screening of cellulolytic organisms for consolidated bioprocessing.

Biotechnology for biofuels

Antonov E, Schlembach I, Regestein L, Rosenbaum MA, Büchs J.
PMID: 28450887
Biotechnol Biofuels. 2017 Apr 24;10:106. doi: 10.1186/s13068-017-0790-4. eCollection 2017.

BACKGROUND: Although the biocatalytic conversion of cellulosic biomass could replace fossil oil for the production of various compounds, it is often not economically viable due to the high costs of cellulolytic enzymes. One possibility to reduce costs is consolidated...

Characterization of Yuhushiella sp. TD-032 from the Thar Desert and its antimicrobial activity.

Journal of advanced pharmaceutical technology & research

Ibeyaima A, Rana J, Dwivedi A, Gupta S, Sharma SK, Saini N, Sarethy IP.
PMID: 27144149
J Adv Pharm Technol Res. 2016 Apr-Jun;7(2):32-6. doi: 10.4103/2231-4040.177201.

During a screening program for antimicrobial compounds from underexplored habitats, a Gram-positive bacterium TD-032, was isolated from arid soil, Thar Desert (India), and analyzed for its morphological, physicochemical, and antimicrobial properties. The 16S ribosomal DNA (rDNA) sequence of the...

The binding of cellulase variants to dislocations: a semi-quantitative analysis based on CLSM (confocal laser scanning microscopy) images.

AMB Express

Hidayat BJ, Weisskopf C, Felby C, Johansen KS, Thygesen LG.
PMID: 26626331
AMB Express. 2015 Dec;5(1):76. doi: 10.1186/s13568-015-0165-9. Epub 2015 Dec 01.

Binding of enzymes to the substrate is the first step in enzymatic hydrolysis of lignocellulose, a key process within biorefining. During this process elongated plant cells such as fibers and tracheids have been found to break into segments at...

Mechanism of lignin inhibition of enzymatic biomass deconstruction.

Biotechnology for biofuels

Vermaas JV, Petridis L, Qi X, Schulz R, Lindner B, Smith JC.
PMID: 26697106
Biotechnol Biofuels. 2015 Dec 21;8:217. doi: 10.1186/s13068-015-0379-8. eCollection 2015.

BACKGROUND: The conversion of plant biomass to ethanol via enzymatic cellulose hydrolysis offers a potentially sustainable route to biofuel production. However, the inhibition of enzymatic activity in pretreated biomass by lignin severely limits the efficiency of this process.RESULTS: By...

Evaluation of wild herbivore faeces from South Africa as a potential source of hydrolytically active microorganisms.

SpringerPlus

Ndlela LL, Schmidt S.
PMID: 26900540
Springerplus. 2016 Feb 09;5:118. doi: 10.1186/s40064-016-1739-y. eCollection 2016.

This study assessed faecal matter from three indigenous South African herbivores-zebra, giraffe and impala-as a potential source for hydrolytically active aerobic and facultatively anaerobic bacteria. Herbivore droppings were collected freshly in a local nature reserve in Pietermaritzburg, South Africa....

Phylogenetic and metabolic diversity of Tunisian forest wood-degrading fungi: a wealth of novelties and opportunities for biotechnology.

3 Biotech

Daâssi D, Zouari-Mechichi H, Belbahri L, Barriuso J, Martínez MJ, Nasri M, Mechichi T.
PMID: 28330115
3 Biotech. 2016 Jun;6(1):46. doi: 10.1007/s13205-015-0356-8. Epub 2016 Feb 04.

In this study, 51 fungal strains were isolated from decaying wood samples collected from forests located in the Northwest of Tunisia in the vicinity of Bousalem, Ain Draham and Kef. Phylogenetic analysis based on the sequences of the internal...

Development of cellobiose-degrading ability in Yarrowia lipolytica strain by overexpression of endogenous genes.

Biotechnology for biofuels

Guo Z, Duquesne S, Bozonnet S, Cioci G, Nicaud JM, Marty A, O'Donohue MJ.
PMID: 26244054
Biotechnol Biofuels. 2015 Aug 04;8:109. doi: 10.1186/s13068-015-0289-9. eCollection 2015.

BACKGROUND: Yarrowia lipolytica, one of the most widely studied "nonconventional" oleaginous yeast species, is unable to grow on cellobiose. Engineering cellobiose-degrading ability into this yeast is a vital step towards the development of cellulolytic biocatalysts suitable for consolidated bioprocessing.RESULTS:...

Showing 1 to 12 of 2066 entries