Clostridium algidixylanolyticum sp. nov., a psychrotolerant, xylan-degrading, spore-forming bacterium.

Broda, D.M.; Saul, David; Bell, Robert G.; Musgrave, D. R.

doi:10.1099/00207713-50-2-623

Cited by 55 publications

(30 citation statements)

References 30 publications

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“…Representatives of Catonella are known from their fermentative activity with acetic acid as the main product [52], whereas Clostridium genus members have both fermentative and electrogenic activity and have been shown to degrade unusually wide range of substrates including cellulose [53]. Clostridium were also reported to ferment glycerol, xylose or pentosans into acetate [54][55][56]. The strain Clostridium butyricum has been shown to ferment glucose to acetate, butyrate, CO 2 and H 2 , but also lactate, formate and ethanol [57,58].…”

Section: Discussionmentioning

confidence: 99%

Evolving Microbial Communities in Cellulose-Fed Microbial Fuel Cell

et al. 2018

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Abstract:The abundance of cellulosic wastes make them attractive source of energy for producing electricity in microbial fuel cells (MFCs). However, electricity production from cellulose requires obligate anaerobes that can degrade cellulose and transfer electrons to the electrode (exoelectrogens), and thus most previous MFC studies have been conducted using two-chamber systems to avoid oxygen contamination of the anode. Single-chamber, air-cathode MFCs typically produce higher power densities than aqueous catholyte MFCs and avoid energy input for the cathodic reaction. To better understand the bacterial communities that evolve in single-chamber air-cathode MFCs fed cellulose, we examined the changes in the bacterial consortium in an MFC fed cellulose over time. The most predominant bacteria shown to be capable electron generation was Firmicutes, with the fermenters decomposing cellulose Bacteroidetes. The main genera developed after extended operation of the cellulose-fed MFC were cellulolytic strains, fermenters and electrogens that included: Parabacteroides, Proteiniphilum, Catonella and Clostridium. These results demonstrate that different communities evolve in air-cathode MFCs fed cellulose than the previous two-chamber reactors.

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Section: Discussionmentioning

confidence: 99%

Evolving Microbial Communities in Cellulose-Fed Microbial Fuel Cell

et al. 2018

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“…Clostridium butyricum, Clostridium algidixylanolyticum, Anaerofilum pentosovorans, Bacteroides sp., Acinetobacter sp., and Propionibacterium sp. produce organic acids such as acetic, butyric, formatic, lactic, succinic, and propionic acid that may contribute to corrosion (8,22,28,58,60). Desulfovibrio desulfuricans and Desulfovibrio aminophilus are two important SRB that play an important role in metal corrosion (15,16,60) by reducing sulfate and/or sulfur to hydrogen sulfide (H 2 S) (4).…”

Section: Resultsmentioning

confidence: 99%

“…(19), poly(3-hydroxybutyrate-co-3-hydroxyvalerate)-degrading denitrifiers (Acidovorax sp., Pseudomonas sp., and Comamonas sp.) (29), and xylan-degrading bacteria (Clostridium algidixylanolyticum) (8). The nature of the pipeline environment justified the presence of biodegrading bacteria.…”

Section: Vol 69 2003 Microbial Communities In Gas Pipelines 5359mentioning

confidence: 99%

Characterization of Microbial Communities in Gas Industry Pipelines

Zhu

Lubeck

Kilbane

2003

Appl Environ Microbiol

141

102

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Culture-independent techniques, denaturing gradient gel electrophoresis (DGGE) analysis, and random cloning of 16S rRNA gene sequences amplified from community DNA were used to determine the diversity of microbial communities in gas industry pipelines. Samples obtained from natural gas pipelines were used directly for DNA extraction, inoculated into sulfate-reducing bacterium medium, or used to inoculate a reactor that simulated a natural gas pipeline environment. The variable V2-V3 (average size, 384 bp) and V3-V6 (average size, 648 bp) regions of bacterial and archaeal 16S rRNA genes, respectively, were amplified from genomic DNA isolated from nine natural gas pipeline samples and analyzed. A total of 106 bacterial 16S rDNA sequences were derived from DGGE bands, and these formed three major clusters: beta and gamma subdivisions of Proteobacteria and gram-positive bacteria. The most frequently encountered bacterial species was Comamonas denitrificans, which was not previously reported to be associated with microbial communities found in gas pipelines or with microbially influenced corrosion. The 31 archaeal 16S rDNA sequences obtained in this study were all related to those of methanogens and phylogenetically fall into three clusters: order I, Methanobacteriales; order III, Methanomicrobiales; and order IV, Methanosarcinales. Further microbial ecology studies are needed to better understand the relationship among bacterial and archaeal groups and the involvement of these groups in the process of microbially influenced corrosion in order to develop improved ways of monitoring and controlling microbially influenced corrosion.Corrosion is a leading cause of pipe failure and is a main component of the operating and maintenance costs of gas industry pipelines (3,10,18,23,30,31,(42)(43)(44)54). Quantifying the cost of corrosion generally, and more specifically the cost associated with microbial corrosion, in the gas industry is not easily done and is controversial. Pipeline corrosion was estimated in 1996 to cost the gas industry about $840 million/year (10), and in 2001 it was estimated that the annual cost of all forms of corrosion to the oil and gas industries was $13.4 billion, of which microbially influenced corrosion accounted for about $2 billion (31). While it is well recognized that chemical and microbial mechanisms both contribute to corrosion, it is uncertain what the relative contribution of microbial activity to overall pipe corrosion is. It has been estimated that 40% of all internal pipeline corrosion in the gas industry can be attributed to microbial corrosion (23, 44), but data are needed to confirm or revise this estimate. Basic research to increase our understanding of the microbial species involved in microbial corrosion and their interactions with metal surfaces and with other microorganisms will be the basis for the development of new approaches for the detection, monitoring, and control of microbial corrosion. A thorough knowledge of the causes of microbially influenced corrosion and an effici...

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“…The current study is, however, the first to show that these species make up the majority of the psychrophilic and/or psychrotolerant anaerobic bacterial population in beef abattoirs and their environments. These species have been frequently associated with the spoilage of vacuum-packed chilled lamb and beef (3,4,13,24), and their relatively high incidence presents a con- a Facultative anaerobic isolate. b BLAST analysis using the NCBI nucleotide sequence database identified each isolate with similarity values of Ն98%.…”

Section: Discussionmentioning

confidence: 99%

Diversity of Culturable Psychrophilic and Psychrotrophic Anaerobic Bacteria Isolated from Beef Abattoirs and Their Environments

Moschonas

Bolton

McDowell

et al. 2011

Appl Environ Microbiol

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This study identified 431 psychrophilic or psychrotrophic isolates from commercial Irish beef abattoir environments and "blown packs" of vacuum-packed beef, using PCR and 16S rRNA sequencing, and estimated their intraspecies genetic diversity using restriction fragment length polymorphism (RFLP) analysis and spacer region PCR (SR-PCR). Twenty-five species were identified in the 431 isolates, with the most frequently recovered species being Clostridium gasigenes (n ‫؍‬ 315), Clostridium estertheticum (n ‫؍‬ 17), and a potentially novel species designated strain TC1 (n ‫؍‬ 52). These species were previously found to be associated with a particular type of spoilage known as blown-pack spoilage (BPS), which occurs in chilled-stored (i.e., ؊1.5°C to 4°C) vacuum-packaged meat within 2 to 4 weeks and involves the production of large volumes of gas. Overall, the study demonstrates the considerable and not previously reported diversity of the anaerobic microflora in abattoirs and the presence of a wide range of organisms capable of causing BPS at chilled temperatures.

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Clostridium algidixylanolyticum sp. nov., a psychrotolerant, xylan-degrading, spore-forming bacterium.

Abstract: A psychrotolerant Clostridium species was isolated from vacuum-packed, temperature-abused raw lamb. Colonies of this micro-organism on sheepblood agar were circular with an entire margin, grey-white, translucent and β-

Cited by 55 publications

References 30 publications

Evolving Microbial Communities in Cellulose-Fed Microbial Fuel Cell

Evolving Microbial Communities in Cellulose-Fed Microbial Fuel Cell

Characterization of Microbial Communities in Gas Industry Pipelines

Diversity of Culturable Psychrophilic and Psychrotrophic Anaerobic Bacteria Isolated from Beef Abattoirs and Their Environments

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