Mould growths upon cold-store meat

Brooks, F. T.; Hansford, C. G.

doi:10.1016/s0007-1536(23)80020-1

Cited by 74 publications

(16 citation statements)

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“…As sources of the morphology dataset we used a combination of handbooks [2,4,15,16]; monographic papers [6][7][8][17][18][19]; descriptions of single taxa [9,13,[20][21][22][23][24][25][26][27][28][29]; as well as our own morphological study of each obtained strain. Characters in the morphological dataset refer to the whole species, not only to the strain studied.…”

Section: Mycological Methods and Morphologymentioning

confidence: 99%

Relationships ofScopulariopsisbased on LSU rDNA sequences

Issakainen

Jalava²,

Hyvönen

et al. 2003

Med Mycol

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Relationships between Scopulariopsis species and allied fungi were studied by sequencing a 350 bp gene region of the large subunit ribosomal RNA gene (LSU rDNA). In addition, a limited morphological dataset of nine characters was included in the cladistic analysis. Nineteen mitosporic strains (nine Scopulariopsis, five Wardomyces, three Doratomyces, one Trichurus and one Scedosporium species) and 21 meiosporic strains (14 Microascus, 4 Kernia and 3 Pithoascus species) were studied. The data were analysed using parsimony methods. Based on the analyses, the studied microascaceous fungi are divided to 12 molecular lineages. Most of the opportunistic human pathogenic Scopulariopsis species are placed in one clade ('Microascus manginii Clade'). Most synnematous anamorphs with Scopulariopsis-like conidia (Doratomyces and Trichurus) are placed in another clade ('Microascus albonigrescens Clade'), together with Wardomyces. Microascus sensu lato can be divided into seven clades which also incorporate all studied Pithoascus, Scopulariopsis, Wardomyces and Trichurus species and most of the Doratomyces species. Most of the Kernia teleomorphs and one Doratomyces species are placed in a different main clade, together with Pseudallescheria and Petriella. Future alternatives in the taxonomy of Microascus include splitting the genus or redefining it to include deviating taxa. More molecular data need to be obtained and considered in either case.

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Section: Mycological Methods and Morphologymentioning

confidence: 99%

Relationships ofScopulariopsisbased on LSU rDNA sequences

Issakainen

Jalava²,

Hyvönen

et al. 2003

Med Mycol

View full text Add to dashboard Cite

show abstract

Section: Mycological Methods and Morphologymentioning

confidence: 99%

Relationships of Scopulariopsis based on LSU rDNA sequences

Issakainen¹,

Jalava²,

Hyvönen³

et al. 2003

Med. Mycology

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Relationships between Scopulariopsis species and allied fungi were studied by sequencing a 350 bp gene region of the large subunit ribosomal RNA gene (LSU rDNA). In addition, a limited morphological dataset of nine characters was included in the cladistic analysis. Nineteen mitosporic strains (nine Scopulariopsis, five Wardomyces, three Doratomyces, one Trichurus and one Scedosporium species) and 21 meiosporic strains (14 Microascus, 4 Kernia and 3 Pithoascus species) were studied. The data were analysed using parsimony methods. Based on the analyses, the studied microascaceous fungi are divided to 12 molecular lineages. Most of the opportunistic human pathogenic Scopulariopsis species are placed in one clade ('Microascus manginii Clade'). Most synnematous anamorphs with Scopulariopsislike conidia (Doratomyces and Trichurus) are placed in another clade ('Microascus albonigrescens Clade'), together with Wardomyces. Microascus sensu lato can be divided into seven clades which also incorporate all studied Pithoascus, Scopulariopsis, Wardomyces and Trichurus species and most of the Doratomyces species. Most of the Kernia teleomorphs and one Doratomyces species are placed in a different main clade, together with Pseudallescheria and Petriella. Future alternatives in the taxonomy of Microascus include splitting the genus or redefining it to include deviating taxa. More molecular data need to be obtained and considered in either case.

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“…Postharvest disease management is thus currently suffering on one hand, as many control strategies are not anymore effective and, on the other hand, as most of the current effective compounds have shown to be toxic and harmful to humans or to aquatic communities. Furthermore, cold storage atmosphere by itself does not prevent fruit rot since minimum temperatures for growth of P. expansum have been reported to be as low as −6°C, −3°C and −2°C (Brooks & Hansford 1923; Panasenko 1967; Pitt and Hocking 2009). In order to overcome these issues, it is important to explore novel antifungal agents which may replace current control strategies (He et al 2011).…”

Section: Introductionmentioning

confidence: 99%

Assessing the efficacy of zinc oxide nanoparticles against Penicillium expansum by automated turbidimetric analysis

2017

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Public concerns about food safety have triggered a worldwide implementation of new legislations aimed at banning many of the most popular food conventional antifungal treatments. There is therefore an urgent need to identify novel and safer solutions to prevent fungal contamination of food. The antifungal effect of zinc oxide nanoparticles (ZnO NPs) against the postharvest pathogenic fungus Penicillium expansum has been investigated in this study. An automated turbidimetric assay, with a standard 96-well microplate, has been developed and optimised regarding the selection of the inoculum size in order to collect sequential optical density measurements. Data were processed by the updated version of the Lambert Pearson model to estimate the minimum inhibitory concentration and the non-inhibitory concentration values which were found to be 9.8 and 1.8 mM (i.e. 798 and 147 ppm), respectively. The current results show that turbidimetry is a reliable technique for assessing the antifungal activity of metal nanoparticles and that zinc oxide (ZnO) is an effective fungicide which can be potentially used to control food safety.

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Mould growths upon cold-store meat

Cited by 74 publications

References 1 publication

Relationships ofScopulariopsisbased on LSU rDNA sequences

Relationships ofScopulariopsisbased on LSU rDNA sequences

Relationships of Scopulariopsis based on LSU rDNA sequences

Assessing the efficacy of zinc oxide nanoparticles against Penicillium expansum by automated turbidimetric analysis

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