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Article
Culturable bacteria in clouds at Réunion, tropical island
The viable bacterial assemblages in clouds at Réunion Island (Indian Ocean) were examined through culture-based approach. A total of 176 isolates were recovered from 15 independent cloud events collected durin...
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Article
Open AccessPublisher Correction: Effect of endogenous microbiota on the molecular composition of cloud water: a study by Fourier-transform ion cyclotron resonance mass spectrometry (FT-ICR MS)
An amendment to this paper has been published and can be accessed via a link at the top of the paper.
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Article
Open AccessMetabolic modulations of Pseudomonas graminis in response to H2O2 in cloud water
In cloud water, microorganisms are exposed to very strong stresses especially related to the presence of reactive oxygen species including H2O2 and radicals, which are the driving force of cloud chemistry. In ord...
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Article
Open AccessEffect of endogenous microbiota on the molecular composition of cloud water: a study by Fourier-transform ion cyclotron resonance mass spectrometry (FT-ICR MS)
A cloud water sample collected at the puy de Dôme observatory (PUY) has been incubated under dark conditions, with its endogenous microbiota at two different temperatures (5 and 15 °C), and the change in the m...
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Article
Open AccessMetatranscriptomic exploration of microbial functioning in clouds
Clouds constitute the uppermost layer of the biosphere. They host diverse communities whose functioning remains obscure, although biological activity potentially participates to atmospheric chemical and physic...
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Article
Metabolomic study of the response to cold shock in a strain of Pseudomonas syringae isolated from cloud water
Active microorganisms have been recently discovered in clouds, thus demonstrating the capacity of microorganisms to exist in harsh environments, including exposure to UV and oxidants, osmotic and cold shocks, ...
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Chapter
Clouds: A Transient and Stressing Habitat for Microorganisms
In this chapter, we synthesized the current knowledge about clouds as ecosystems which have been discovered very recently. First, we briefly described the cloud habitat. Cloud physics chemistry and microphysic...
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Article
Production of oligosaccharides and cellobionic acid by Fibrobacter succinogenes S85 growing on sugars, cellulose and wheat straw
Extracellular culture fluid of Fibrobacter succinogenes S85 grown on glucose, cellobiose, cellulose or wheat straw was analysed by 2D-NMR spectroscopy. Cellodextrins did not accumulate in the culture medium of ce...
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Article
Speciation and role of iron in cloud droplets at the puy de Dôme station
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Article
Evidence of Metyrapone Reduction by two Mycobacterium strains shown by 1H NMR
In situ 1H NMR monitoring ofmetyrapone incubations with resting-cellsof two strains of Mycobacterium,Mycobacterium aurum MO1 andMycobacterium sp. RP1, showed thebiotransformation of this compound,and more precis...
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Protocol
13C and 1H NMR Study of the Glycogen Futile Cycle in Fibrobacter succinogenes
Fibrobacter succinogenes, a strictly anaerobic bacterium, is a major fibrolytic species found in the rumen of cattle and sheep. It degrades cellulose into glucose and cellobiose, which are further metabolized in ...
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Protocol
The Use of Chemical Shift Reagents and 23Na NMR to Study Sodium Gradients in Microorganisms
The microbiology of extreme habitats is a fast-moving field with increasing isolation of new organisms (1). In particular, studies on halophilic Archaea or bacteria inhabiting diverse environments such as salt la...
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Article
Nuclear magnetic resonance studies of interactions between organic pollutants and soil components, a review
This article presents a short overview of selected recent papers using nuclear magnetic resonance (NMR) to investigate interactions between organic pollutants and soil components such as organic matter, clays,...
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Article
In vivo 13C NMR study of glucose and cellobiose metabolism by four cellulolytic strains of the genus Fibrobacter
The metabolism of glucose and cellobiose, products of cellulose hydrolysis, was investigated in four cellulolytic strains of the genus Fibrobacter: Fibrobacter succinogenes S85, 095, HM2 and Fibrobacter intest...
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Article
Thiomorpholine and morpholine oxidation by a cytochrome P450 in Mycobacterium aurum MO1. Evidence of the intermediates by in situ 1H NMR
Spectrophotometric assays of Mycobacterium aurum MO1 cells extracts gave evidence of a soluble cytochrome P450, involved in the degradative pathway of morpholine, a waste product from the chemical industry. In...
