A Review: The isolation of bacteriophages from the environment

Seeley, N. D.; Primrose, Sandy B.

doi:10.1111/j.1365-2672.1982.tb04729.x

Cited by 61 publications

(28 citation statements)

References 94 publications

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“…In particular, the inactivating effects of bacterioplankton and heat-labile dissolved compounds can be offset by the protective effect of viral adsorption to sediment and particulates suspended in the water column. Indeed, the general sorptive properties of viruses to suspended particulates in water (see the review by Bitton [26]) have been exploited in several methods for concentrating viruses from natural water samples (7,81,82,252,287,288,336). In controlled experiments, the addition of clay or sediment to water, prior to the addition of virus, lowered the decay rate of both enteroviruses (158,297) and coliphages (27,105).…”

Section: Impact Of Viruses and Viral Infection On The Aquatic Food Wementioning

confidence: 99%

Virioplankton: Viruses in Aquatic Ecosystems

Wommack

Colwell

2000

Microbiol Mol Biol Rev

1,869

108

1,620

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SUMMARY The discovery that viruses may be the most abundant organisms in natural waters, surpassing the number of bacteria by an order of magnitude, has inspired a resurgence of interest in viruses in the aquatic environment. Surprisingly little was known of the interaction of viruses and their hosts in nature. In the decade since the reports of extraordinarily large virus populations were published, enumeration of viruses in aquatic environments has demonstrated that the virioplankton are dynamic components of the plankton, changing dramatically in number with geographical location and season. The evidence to date suggests that virioplankton communities are composed principally of bacteriophages and, to a lesser extent, eukaryotic algal viruses. The influence of viral infection and lysis on bacterial and phytoplankton host communities was measurable after new methods were developed and prior knowledge of bacteriophage biology was incorporated into concepts of parasite and host community interactions. The new methods have yielded data showing that viral infection can have a significant impact on bacteria and unicellular algae populations and supporting the hypothesis that viruses play a significant role in microbial food webs. Besides predation limiting bacteria and phytoplankton populations, the specific nature of virus-host interaction raises the intriguing possibility that viral infection influences the structure and diversity of aquatic microbial communities. Novel applications of molecular genetic techniques have provided good evidence that viral infection can significantly influence the composition and diversity of aquatic microbial communities.

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Section: Impact Of Viruses and Viral Infection On The Aquatic Food Wementioning

confidence: 99%

Virioplankton: Viruses in Aquatic Ecosystems

Wommack

Colwell

2000

Microbiol Mol Biol Rev

1,869

108

1,620

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“…Although a great deal of research has been carried out into the biology of coliphages, relatively little is known about factors which influence their ecology in the aquatic environment (Seeley & Primrose 1982). Two studies (Seeley & Primrose 1980;Parry et al 1981) have shown that coliphages isolated from rivers can be separated into groups based on their ability to replicate above or below 30°C.…”

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confidence: 99%

The effect of environmental factors on coliphages in the Welsh River Dee

Nuttall

Parry

1987

Lett Appl Microbiol

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In a l‐year study at Ironbridge on the Welsh River Dee the Escherichia coli popu‐lation varied over a 200‐fold range and the coliphage populations grown at 37°C (H. T. phage) and at 22°C (L. T. phage) each varied by over 100‐fold. Both the E. coli and H. T. phage counts were shown to have highly signiflcant seasonal fluctuations, which included troughs in summer and peaks in winter. The L. T. phage count appeared to maintain a baseline population in summer and had a 20‐fold less sig‐nificant association with temperature than the H. T. phage population.

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“…In addition, positively-charged filter media have been widely used for recovering bacterial viruses and phage. However, poor detection of viruses and phage was experienced following poor absorption and inactivation caused by extreme pH level exposures [88,89]. In general, microfiltration and ultrafiltration membranes are preferable to be used for the filtration purpose due to their appropriate range of surface pore sizes that could retain microorganism effectively [90].…”

Section: Membrane Filtration (Mf) Methodsmentioning

confidence: 99%

Detection of contaminants in water supply: A review on state-of-the-art monitoring technologies and their applications

Zulkifli

Rahim

Lau

2018

Sensors and Actuators B: Chemical

232

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a b s t r a c tWater monitoring technologies are widely used for contaminants detection in wide variety of water ecology applications such as water treatment plant and water distribution system. A tremendous amount of research has been conducted over the past decades to develop robust and efficient techniques of contaminants detection with minimum operating cost and energy. Recent developments in spectroscopic techniques and biosensor approach have improved the detection sensitivities, quantitatively and qualitatively. The availability of in-situ measurements and multiple detection analyses has expanded the water monitoring applications in various advanced techniques including successful establishment in hand-held sensing devices which improves portability in real-time basis for the detection of contaminant, such as microorganisms, pesticides, heavy metal ions, inorganic and organic components. This paper intends to review the developments in water quality monitoring technologies for the detection of biological and chemical contaminants in accordance with instrumental limitations. Particularly, this review focuses on the most recently developed techniques for water contaminant detection applications. Several recommendations and prospective views on the developments in water quality assessments will also be included.

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A Review: The isolation of bacteriophages from the environment

Cited by 61 publications

References 94 publications

Virioplankton: Viruses in Aquatic Ecosystems

Virioplankton: Viruses in Aquatic Ecosystems

The effect of environmental factors on coliphages in the Welsh River Dee

Detection of contaminants in water supply: A review on state-of-the-art monitoring technologies and their applications

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