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Foodborne Illness
Published in Gary S. Moore, Kathleen A. Bell, Living with the Earth, 2018
Gary S. Moore, Kathleen A. Bell
Mucormycosis is the disease caused by fungi in the order Mucorales. Species of the genera Mucor and Rhizopus are the common species responsible for this disease. Found in the soil, Mucor and Rhizopus species are common spoilage organisms of bread and fruit. Pathogenic strains such as Rhizopus oryzae, are opportunistic organisms, infecting diabetics, leukemics, and those with suppressed immune systems. The onset of the disease is rapid and includes the invasion of blood vessels, causing embolisms and tissue necrosis. The disease can spread to whole organ systems, causing meningitis and death within 2–10 days.37,39
Aspergillus spp. presence on mechanical protection gloves from the waste sorting industry
Published in Journal of Occupational and Environmental Hygiene, 2020
Carla Viegas, Marta Dias, Beatriz Almeida, Elisabete Carolino, Susana Viegas
Overall, this study showed fungal contamination on MPG differed from those found in respiratory protection devices from the same waste sorting industry assessed (Viegas, et al. 2020a, 2020b). While C. sitophila was observed most often on respiratory protection devices (Aspergillus genera was the second most observed), Aspergillus spp. (on MEA) and Penicillium spp. (on DG18) were more common on MPG. Additionally, Aspergillus counts (overall and by section) and diversity may be underestimated on MEA due the overgrowth of Mucor spp. Indeed, the DG18 presented, as expected, a higher diversity of Aspergillus genera, probably due the inhibition of Mucorales order (Bergwall and Stehn 2002), reinforcing the need of using both culture media (Viegas, et al. 2017a, 2020a, 2020b).
Production of cellulases by Thermomucor indicae-seudaticae: characterization of a thermophilic β-glucosidase
Published in Preparative Biochemistry and Biotechnology, 2019
Eduardo da Silva Martins, Eleni Gomes, Roberto da Silva, Rodolfo Bizarria Junior
Thermophilic microorganisms have been widely studied for enzyme production since the enzymes produced generally present greater thermo-stability and provide more stability to pH variations,[6] allowing their use in many industrial processes where these conditions are needed.[7]Thermomucor indicae-seudaticae is a thermophilic fungus from the group of Zygomycetes, order Mucorales, sporangiospores producer. The current study evaluated β-glucosidase production by thermophilic fungus T. indicae-seudaticae in solid-state cultivation using agro-industrial residue (wheat bran) as substrate, to determine the effect of different fermentative parameters on enzyme production, and to characterize the enzyme in relation with optimal pH and temperature of performance and the stability to these factors.
Laboratory-scale bioremediation potential of single and consortia fungal isolates from two natural hydrocarbon seepages in Trinidad, West Indies
Published in Bioremediation Journal, 2019
Sheldon Ramoutar, Azad Mohammed, Adesh Ramsubhag
Sixty-seven fungal isolates were obtained from the two sampling sites. The La Brea Pitch Lake site yielded more fungal isolates (43) than the Digity Seepage site (24). The most abundant isolates from both locations belonged to the genera Aspergillus, Curvularia, Fusarium and Penicillium, and the order Mucorales (Figure 2). The prevalence of fungal genera varied based on hydrocarbon substrates as illustrated in Figure 3. The majority of isolates were obtained for diesel (60%) while the asphaltene fraction yielded the least number of isolates (9%). Aspergillus spp. was the dominant fungi isolated for the different fractions (41 to 67% for pyrene and asphaltene, respectively).