Nitrogen Compounds Utilized by Alcaligenes Faecalis

Denault, Leo J.; Cleverdon, Robert C.; Kulp, Walter L.

doi:10.1128/jb.66.4.465-467.1953

Cited by 6 publications

(1 citation statement)

References 1 publication

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The first bacterium from the Betaproteobacteria class — Alcaligenes faecalis — was isolated from a human fecal sample in 1896 ( Petruschky, 1896 ). This asaccharolytic rod that can utilize urea, a range of amino-acids, and can produce nitric oxide (NO; Denault et al , 1953 ) has frequently been detected in later studies of the gastrointestinal microbiota. A number of other bacteria within this class have been detected in recent years, showing that Betaproteobacteria are diverse and ubiquitous members of the gastrointestinal microbiota (Fig.…”

Section: Proteobacteriamentioning

confidence: 99%

The first 1000 cultured species of the human gastrointestinal microbiota

2014

View full text Add to dashboard Cite

The microorganisms that inhabit the human gastrointestinal tract comprise a complex ecosystem with functions that significantly contribute to our systemic metabolism and have an impact on health and disease. In line with its importance, the human gastrointestinal microbiota has been extensively studied. Despite the fact that a significant part of the intestinal microorganisms has not yet been cultured, presently over 1000 different microbial species that can reside in the human gastrointestinal tract have been identified. This review provides a systematic overview and detailed references of the total of 1057 intestinal species of Eukarya (92), Archaea (8) and Bacteria (957), based on the phylogenetic framework of their small subunit ribosomal RNA gene sequences. Moreover, it unifies knowledge about the prevalence, abundance, stability, physiology, genetics and the association with human health of these gastrointestinal microorganisms, which is currently scattered over a vast amount of literature published in the last 150 years. This detailed physiological and genetic information is expected to be instrumental in advancing our knowledge of the gastrointestinal microbiota. Moreover, it opens avenues for future comparative and functional metagenomic and other high-throughput approaches that need a systematic and physiological basis to have an impact.

show abstract

Section: Proteobacteriamentioning

confidence: 99%

The first 1000 cultured species of the human gastrointestinal microbiota

2014

View full text Add to dashboard Cite

show abstract

Some experiments and analysis of a predator‐prey model: Interaction between Colpidium campylum and Alcaligenes faecalis in continuous and mixed culture

Sudo¹,

Kobayashi

Aiba

1975

Biotech & Bioengineering

View full text Add to dashboard Cite

SummaryFollowing previous work in which a mass and monoxenons culture of Vorticella microstoma had been snccessfully established (Water Res., 7 , 615 (1973)) another species of Ciliata, Colpidium campylum was subjected to continuous cultivation using Alcaligenes faecalis as the sole bacterial food and asparagine as the limiting substrate. This work was primarily undertaken to reveal the interaction and biological oscillation between these two types of organisms which simulate the ecological behavior of activated sludge.The fact that the bacteria tended to flocculate and/or deflocculate, depending on the protozoan population was incorporated into the rate equations to account for the oscillation in individual population density of the predator-prey system. The mathematical approach presented earlier by Canale and other workers for biological oscillation used a homogeneously mixed system ; while nonhomogeneity originating from flocculation and defloccrilation of the bacterial food was overlooked in the earlier pnblication.

show abstract