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Harris, James L.

doi:10.1023/a:1013183715057

Cited by 7 publications

(4 citation statements)

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“…Then the fungi were classified to genera or species by using a light microscopy. Identification of fungi was achieved through macro-and microscopic characteristics as described by Ellis and Hesseltine [18], Pitt and Hocking [19] and de Hoog et al [20].…”

Section: Fungal Species Identificationmentioning

confidence: 99%

Exposure to airborne fungi during sorting of recyclable plastics in waste treatment facilities

Černá¹,

Wittlingerová²,

Zimová³

et al. 2017

Med Pr

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Background: In working environment of waste treatment facilities, employees are exposed to high concentrations of airborne microorganisms. Fungi constitute an essential part of them. This study aims at evaluating the diurnal variation in concentrations and species composition of the fungal contamination in 2 plastic waste sorting facilities in different seasons. Material and Methods: Air samples from the 2 sorting facilities were collected through the membrane filters method on 4 different types of cultivation media. Isolated fungi were classified to genera or species by using a light microscopy. Results: Overall, the highest concentrations of airborne fungi were recorded in summer (9.1×10 3 -9.0×10 5 colony-forming units (CFU)/m

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Section: Fungal Species Identificationmentioning

confidence: 99%

Exposure to airborne fungi during sorting of recyclable plastics in waste treatment facilities

Černá¹,

Wittlingerová²,

Zimová³

et al. 2017

Med Pr

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“…However, the most important aspect concerns the production of toxins as aflatoxins, patulin, and ochratoxins [16]. In humans, only a minority of fungal species has pathogenicity, i.e., Penicillium marneffei (Southeast Asia), which is assigned lung infections in people with HIV virus in South Asia and China, and opportunistic infections-keratitis, ear infections, and endocarditis [17].…”

Section: Introductionmentioning

confidence: 99%

Microorganisms in Honey

Silva¹,

Rabadzhiev²,

Eller³

et al. 2017

Honey Analysis

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Honey is a product with low water activity because of the great amount of sugars (fructose and glucose), and also it has antimicrobial compounds derived from flowers or because of its transformation process in the beehive. Despite all the honey microorganism barriers, some species of microorganisms are able to survive and may cause damage to honeybees or consumers. Techniques of pathogenic microorganism identification by DNA using PCR are recommended and required for sanitary and customs control. It is important to know the diversity of contaminating microorganisms in honey, especially due to disseminate pathogenic microorganisms in the international traded marketing. In contrast, beneficial microorganisms such as yeasts can remain latently in this product waiting for the moment in which the environment is suitable for their development. Among the beneficial bacteria found in honeybee products, we can mention some lactic acid bacteria that act as prebiotics when ingested. The microorganisms in the digestive tract of honeybees are important for their health. Thus, we present the knowledge of microbiota associated with honey from honeybees and stingless bees (Hymenoptera, Apidae) and the techniques available for the detection of microorganisms in honey.

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“…Microscopic examination was carried out using lacto phenol cotton blue to detect fungal structures. According to Harris [12], Aspergillus niger was identified as the target species in this study.…”

Section: Pda Preparation and Fungal Identificationmentioning

confidence: 99%

Evaluation and Characterization of Lipase Production in Aspergillus niger Isolate Qurna for Biotechnological Applications

Kadhim,

Ali,

Al-Hawash

et al. 2023

IJDNE

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This study aims to investigate the lipase-producing capabilities of the isolated strain Aspergillus niger Qurna and to provide an analysis of contemporary scholarly contributions on the subject. Our objective is to offer a comprehensive survey of recent advancements in lipase production from Aspergillus niger, juxtaposing our findings with those from other relevant studies. Significant lipase activity was observed within the Aspergillus niger Qurna isolate, with a precipitation area exceeding 55 mm by the fifth day of tracking lipase activity via a chromogenic method. The variation in the precipitation zone size among different Aspergillus niger isolates might be attributable to genetic differences or environmental influences on gene expression. Upon comparing the Aspergillus niger Qurna isolate with international isolates, it was determined that the local Aspergillus niger isolate exhibited superior lipase activity. This makes it a promising candidate for biotechnological applications, including its potential use in food, pharmaceutical, detergent, and chemical industries. Therefore, the identification of Aspergillus niger strains with high lipase activity holds significant importance for biotechnological applications.

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Cited by 7 publications

References 0 publications

Exposure to airborne fungi during sorting of recyclable plastics in waste treatment facilities

Exposure to airborne fungi during sorting of recyclable plastics in waste treatment facilities

Microorganisms in Honey

Evaluation and Characterization of Lipase Production in Aspergillus niger Isolate Qurna for Biotechnological Applications

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