Halocella cellulolytica gen. nov., sp. nov., a New Obligately Anaerobic, Halophilic, Cellulolytic bacterium

Simankova, M. V.; Chernych, N.A.; Осипов, Г. А.; Zavarzin, G. A.

doi:10.1016/s0723-2020(11)80270-5

Cited by 86 publications

(43 citation statements)

References 14 publications

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“…Some of the more recently described anaerobic cellulolytic species (Anaerocellum thermophilum [659], C. saccharolyticus [549], and Halocella cellulolytica [622] display somewhat wider carbohydrate utilization spectra, with compounds such as starch and various monosaccharides variously reported to serve as substrates. There appears to be a tendency for a broader range of carbohydrate utilization in more extreme environments (thermophilic or halophilic), perhaps as a consequence of a smaller amount of cellulose input, possibly combined with the presence of fewer competing species in these habitats.…”

Section: Physiology Of Cellulolytic Microorganismsmentioning

confidence: 99%

Microbial Cellulose Utilization: Fundamentals and Biotechnology

Lynd

Weimer

Zyl³

et al. 2002

Microbiol Mol Biol Rev

4,009

2,868

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Fundamental features of microbial cellulose utilization are examined at successively higher levels of aggregation encompassing the structure and composition of cellulosic biomass, taxonomic diversity, cellulase enzyme systems, molecular biology of cellulase enzymes, physiology of cellulolytic microorganisms, ecological aspects of cellulase-degrading communities, and rate-limiting factors in nature. The methodological basis for studying microbial cellulose utilization is considered relative to quantification of cells and enzymes in the presence of solid substrates as well as apparatus and analysis for cellulose-grown continuous cultures. Quantitative description of cellulose hydrolysis is addressed with respect to adsorption of cellulase enzymes, rates of enzymatic hydrolysis, bioenergetics of microbial cellulose utilization, kinetics of microbial cellulose utilization, and contrasting features compared to soluble substrate kinetics. A biological perspective on processing cellulosic biomass is presented, including features of pretreated substrates and alternative process configurations. Organism development is considered for “consolidated bioprocessing” (CBP), in which the production of cellulolytic enzymes, hydrolysis of biomass, and fermentation of resulting sugars to desired products occur in one step. Two organism development strategies for CBP are examined: (i) improve product yield and tolerance in microorganisms able to utilize cellulose, or (ii) express a heterologous system for cellulose hydrolysis and utilization in microorganisms that exhibit high product yield and tolerance. A concluding discussion identifies unresolved issues pertaining to microbial cellulose utilization, suggests approaches by which such issues might be resolved, and contrasts a microbially oriented cellulose hydrolysis paradigm to the more conventional enzymatically oriented paradigm in both fundamental and applied contexts

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Section: Physiology Of Cellulolytic Microorganismsmentioning

confidence: 99%

Microbial Cellulose Utilization: Fundamentals and Biotechnology

Lynd

Weimer

Zyl³

et al. 2002

Microbiol Mol Biol Rev

4,009

2,868

View full text Add to dashboard Cite

show abstract

“…Comparison of the four biogas communities analyzed in this study revealed that the genera Defluviitoga and Halocella were highly abundant in the thermophilic BGP4. Members of both genera were described to grow at high temperatures of up to 50°C for Halocella cellulolytica [45] and 70°C for Defluviitoga tunisiensis [46]. Additionally, these organisms use a variety of carbohydrates such as cellulose, cellobiose, xylan, and xylose for acetate, CO…”

Section: Discussionmentioning

confidence: 99%

Biphasic Study to Characterize Agricultural Biogas Plants by High-Throughput 16S rRNA Gene Amplicon Sequencing and Microscopic Analysis

Maus

Kim

Wibberg

et al. 2017

Journal of Microbiology and Biotechnology

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“…Many types of halophilic bacteria have been isolated from the Dead Sea, inland salt lakes or subterranean waters in oilfields (Oren, 1992 ;Ollivier et al, 1994 ;Rainey et al, 1995 ;Imhoff & Siilling, 1996 ;Ravot et al, 1997). Some of them were isolated from thalassohaline environments such as solar salterns ; they include phototrophic bacteria of the family Chromatiaceae (Caumette et al, 1988(Caumette et al, , 1991a(Caumette et al, , 1997, sulfate-reducing bacteria (Caumette et al, 1991 b) and fermentative bacteria (Zhilina & Zavarzin, 1990 ;Zhilina et al, 1991aZhilina et al, , b, 1992Liaw & Mah, 1992;Simankova et al, 1993). During ecological investigations in solar salterns of the French Mediterranean coast (Salin-de-Giraud, Camargue, Rhiine Delta), we isolated several new species of phototrophs and sulfate reducers that developed at the sediment surface of certain hypersaline ponds characterized by gypsum deposits and (Caumette, 1993 ;Caumette et al, 1994).…”

Section: Introductionmentioning

confidence: 99%

Haloanaerobacter salinarius sp. nov., a novel halophilic fermentative bacterium that reduces glycine-betaine to trimethylamine with hydrogen or serine as electron donors; emendation of the genus Haloanaerobacter

Mouné

Manac′h

Hirschler

et al. 1999

International Journal of Systematic and Evolutionary Microbiology

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A novel halophilic fermentative bacterium has been isolated from the black sediment below a gypsum crust and a microbial m a t in hypersaline ponds of Mediterranean salterns. Morphologically, physiologically and genetically this organism belongs to the genus Haloanaerobacter. Haloanaerobacter strain SG 3903T (T = type strain) is composed of non-sporulating long flexible rods with peritrichous flagella, able to grow in the salinity range of 5-30% NaCI, with an optimum a t 14-15%. The strain grows by fermenting carbohydrates or by using the Stickland reaction with either serine or H, as electron donors and glycine-betaine as acceptor, which is reduced to trimethylamine. The two species described so far in the genus Haloanaerobacter are not capable of Stickland reaction with glycine-betaine + serine; however, Haloanaerobacter chitinovorans can use glycine-betaine with H, as electron donor. Strain SG 3903T thus represents the first described strain in the genus Haloanaerobacter capable of the Stickland reaction with two amino acids. Although strain SG 3903T showed 67 O/ O DNA-DNA relatedness to H. chitinovorans, it is physiologically sufficiently different from the two described species to be considered as a new species which has been named Haloanaerobacter salinarius sp. nov.

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Halocella cellulolytica gen. nov., sp. nov., a New Obligately Anaerobic, Halophilic, Cellulolytic bacterium

Cited by 86 publications

References 14 publications

Microbial Cellulose Utilization: Fundamentals and Biotechnology

Microbial Cellulose Utilization: Fundamentals and Biotechnology

Biphasic Study to Characterize Agricultural Biogas Plants by High-Throughput 16S rRNA Gene Amplicon Sequencing and Microscopic Analysis

Haloanaerobacter salinarius sp. nov., a novel halophilic fermentative bacterium that reduces glycine-betaine to trimethylamine with hydrogen or serine as electron donors; emendation of the genus Haloanaerobacter

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