The growth of coliform bacilli in distilled water

Bigger, Joseph W.; Nelson, J. Havelock

doi:10.1002/path.1700530204

Cited by 24 publications

(13 citation statements)

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“…For the carbon source this proved particularly difficult. That E. coli can grow in a basal salts solution without an overtly added carbon source has been reported (3,27) and is easily demonstrable; the final population density is approximately 106 cells/ml. This growth results from contamination by organic material of utensils, water, air, and filters, and, to a lesser extent, the inorganic ingredients of the medium.…”

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confidence: 96%

Effect of Nutrient Concentration on the Growth of Escherichia coli

1971

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The relationship between specific growth rate of Escherichia coli and the concentration of limiting nutrient (glucose or phosphate or tryptophan) has been determined for populations in a steady state. At high concentrations the specific growth rate is independent of the concentration of nutrient, but at low concentrations the specific growth rate is a strong function of the nutrient concentration. Such a relationship was predicted by Monod; however, Monod's equation does not predict the relationship over the entire range of nutrient concentration. If parameters of the equation are estimated from the results obtained at low concentrations, then at high concentrations of nutrient, the specific growth rate is significantly higher than that predicted by Monod's equation. These results were interpreted on the basis that the rate of growth is controlled by at least two parallel reactions and that the affinities of the enzymes catalyzing these reactions are different. The relationship between specific growth rate and mean cell volume was also measured, and the results indicate that mean cell volume depends not only on the specific growth rate but also on the nature of the limiting nutrient. There are different mean cell volumes at the same specific growth rate established by different limiting nutrients. Therefore, the mean cell volume is not uniquely determined by the specific growth rate. vide a test of the relationship inferred by Monod 210 on July 4, 2020 by guest

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confidence: 96%

Effect of Nutrient Concentration on the Growth of Escherichia coli

1971

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“…In recent years it has been demonstrated that E. coli is able to survive or grow under extreme oligotrophic conditions as found in drinking water [3] or in distilled water [2,20,21]. Obviously the growth potential of E. coli will increase with increasing amount of nutrients available.…”

Section: Discussionmentioning

confidence: 99%

Growth and in situ detection of a pathogenic Escherichia coli in biofilms of a heterotrophic water-bacterium by use of 16S- and 23S-rRNA- directed fluorescent oligonucleotide probes

Szewzyk

1994

FEMS Microbiology Ecology

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The colonization of biofilms of a benzoate‐degrading Gram‐positive water bacterium, strain B4, by a pathogenic Escherichia coli was studied in a continuous flow reactor. E. coli added to a fixed bed reactor colonized by B4, was able to grow in the biofilms and subsequently re‐enter the free water phase in high numbers. Mixed biofilms of strain B4 and E. coli were also grown on glass slides for detailed examination of the spatial order of the mixed population biofilm. Individual cells as well as microcolonies of E. coli were detected in the biofilms by hybridization with a fluorescently labeled 23S rRNA‐targeted oligonucleotide probe. The spatial distribution of E. coli could be analyzed in all layers of even thick biofilms.

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“…The possibility that fungi can grow autotrophically under oligotrophic conditions (using energy obtained from hydrogen oxidation) was suggested by Mirocha & Devay (1971). Bigger & Nelson (1941, 1943) also suggested that silicon compounds might adsorb ammonia and CO # from the atmosphere, thereby allowing bacteria to fix CO # , using energy obtained from the oxidation of ammonium. Chakrabarty et al (1988) have similarly suggested, although not conclusively proved, that certain bacteria can grow as silicon autotrophs.…”

Section: Effect Of Silicon Compounds On Growth Of a Oryzae Under Olimentioning

confidence: 99%

Effect of silicic acid and other silicon compounds on fungal growth in oligotrophic and nutrient-rich media

Wainwright¹,

Al-Wajeeh

Grayston³

1997

Mycological Research

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Article:Wainwright, M., AlWajeeh, K. and Grayston, S.J. (1997) Effect of silicic acid and other silicon compounds on fungal growth in oligotrophic and nutrient-rich media. Mycological Research, 101 (8). pp. 933-938. ISSN 1473-5504 https://doi.org/10.1017/S0953756297003560 eprints@whiterose.ac.uk https://eprints.whiterose.ac.uk/ Reuse Unless indicated otherwise, fulltext items are protected by copyright with all rights reserved. The copyright exception in section 29 of the Copyright, Designs and Patents Act 1988 allows the making of a single copy solely for the purpose of non-commercial research or private study within the limits of fair dealing. The publisher or other rights-holder may allow further reproduction and re-use of this version -refer to the White Rose Research Online record for this item. Where records identify the publisher as the copyright holder, users can verify any specific terms of use on the publisher's website. TakedownIf you consider content in White Rose Research Online to be in breach of UK law, please notify us by emailing eprints@whiterose.ac.uk including the URL of the record and the reason for the withdrawal request. Mycelium grew from a spore-mycelial inoculum of Aspergillus oryzae added to ultra-pure water (upw) containing silicon compounds, but did not grow in upw alone. Growth of other fungi also occurred in upw only when silicon compounds were added. Increased growth of A. oryzae, and other fungi, also followed the addition of silicic acid and other silicon compounds to Czapek Dox. Aspergillus oryzae solubilized silicon compounds in both upw and nutrient-rich media. Although interactions between microorganisms and silicon have been generally neglected, the results show that silicon compounds can increase fungal growth under both oligotrophic and nutrient-rich conditions.

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The growth of coliform bacilli in distilled water

Cited by 24 publications

References 0 publications

Effect of Nutrient Concentration on the Growth of Escherichia coli

Effect of Nutrient Concentration on the Growth of Escherichia coli

Growth and in situ detection of a pathogenic Escherichia coli in biofilms of a heterotrophic water-bacterium by use of 16S- and 23S-rRNA- directed fluorescent oligonucleotide probes

Effect of silicic acid and other silicon compounds on fungal growth in oligotrophic and nutrient-rich media

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