Bioactive Streptomycetes from Isolation to Applications: A Tasmanian Potato Farm Example

Ashfield-Crook, Nina R.; Woodward, Zachary; Soust, Martin; Kurtböke, D. İpek

doi:10.1007/978-1-0716-1040-4_18

Cited by 4 publications

(3 citation statements)

References 178 publications

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“…Therefore, bacteriophage treatments gained attention to minimise product losses and nutritional properties from disease causing bacteria. Like the previous successful treatments of potatoes [37][38][39] and strawberries, 40 the observed success of streptophage treatment on nuts in this study may indicate similar positive outcomes might be possible. Therefore, information generated via the studies like the one presented here can contribute toward development of effective phage biocontrol methods targeting different problems in agriculture.…”

Section: Discussionsupporting

confidence: 78%

Volume 43 Number 1

2022

Microbiol. Aust.

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Automation in diagnostic microbiology has provided accessibility to technology overcoming the delays inherent in culture-based technology and providing options to centralisation via use of digital imaging to interpret and report culture plates which enables cultures to be shared over the internet opening the virtual diagnostic microbiology laboratory. Automation is a continuous process which precipitates faster results and invites the diagnostic laboratory into a continuous processing, 24/7 world optimising what it has to offer for improved turnaround time (TAT) and improved workload management. While molecular technology was able to decrease TAT of results it was initially specialised and not freely available to the diagnostic microbiology laboratory becoming more a centralised subspeciality. The automation of molecular methods released the technology to be able to be decentralised and provide greater local access and community benefits from the technology and providing equity of community access to the technology. Thanks to automation, diagnostic microbiology is at the forefront of opening the availability of advances in testing to the broader community via decentralising technology and sharing technology in the virtual diagnostic microbiology laboratory.

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Section: Discussionsupporting

confidence: 78%

Volume 43 Number 1

2022

Microbiol. Aust.

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Section: Discussionsupporting

confidence: 78%

Detection and control of off-flavour compound-producing streptomycetes on locally produced nuts using streptophages

2022

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Members of the phylum Actinomycetota are the most prominent part of the soil microbiota, more specifically the species within the genus Streptomyces of this phylum. Key functions of Streptomyces species (or streptomycetes in general terms) include nutrient cycling and plant growth promotion and disease protection. However, these species can also produce volatile organic compounds, predominantly geosmin, which is responsible for musty and mildew scents that are unpleasant to humans and can negatively impact the nut crop industry as odorous nuts generally lose their market value. Bacterial viruses, called bacteriophages have been previously used successfully in agriculture and aquaculture to remove such odorous species and they may therefore be applied to the nut industry. To eliminate these compounds, the producer streptomycetes may be selectively removed from nut surfaces using streptophages. The removal of Streptomyces species from nut surfaces can then be expected to minimise geosmin production, therefore removing the unpleasant off-flavours and benefiting the nut industry.

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“…carotovorum more efficiently when zinc is not present in the medium, suggesting that inorganic composition of soil is relevant when phage therapy is considered for biocontrol [74]. On the contrary, a Tasmanian potato farm study showed the protective effect of beneficial streptomycetes in soil and pointed that in case of treating the pathogenic strains of Streptomyces with phage therapy, a preliminary host range analysis should be performed since a deleterious effect against beneficial streptomycetes might produce opportunistic fungal infections [75]. In a different studio, a cocktail of six phages was used to combat the potato pathogen Dickeya solani in soft rots.…”

Section: Phage Therapy For Plantsmentioning

confidence: 99%

Phages in Food Industry Biocontrol and Bioremediation

et al. 2021

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Bacteriophages are ubiquitous in nature and their use is a current promising alternative in biological control. Multidrug resistant (MDR) bacterial strains are present in the livestock industry and phages are attractive candidates to eliminate them and their biofilms. This alternative therapy also reduces the non-desirable effects produced by chemicals on food. The World Health Organization (WHO) estimates that around 420,000 people die due to a foodborne illness annually, suggesting that an improvement in food biocontrol is desirable. This review summarizes relevant studies of phage use in biocontrol focusing on treatments in live animals, plants, surfaces, foods, wastewaters and bioremediation.

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Bioactive Streptomycetes from Isolation to Applications: A Tasmanian Potato Farm Example

Cited by 4 publications

References 178 publications

Volume 43 Number 1

Volume 43 Number 1

Detection and control of off-flavour compound-producing streptomycetes on locally produced nuts using streptophages

Phages in Food Industry Biocontrol and Bioremediation

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