Aspergillus section Flavi diversity and the role of A. novoparasiticus in aflatoxin contamination in the sugarcane production chain

Iamanaka, Beatriz Thie; Lopes, Aline de Souza; Martins, Luciano Moura; Frisvad, Jens Christian; Medina, Ángel; Magan, Naresh; Sartori, Daniele; Massi, Fernanda Pelisson; Fungaro, Maria Helena Pelegrinelli; Taniwaki, Marta Hiromi

doi:10.1016/j.ijfoodmicro.2018.12.024

Cited by 10 publications

(1 citation statement)

References 30 publications

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“…Later, the species has been reported to occur in low frequencies in the cassava from Benin (two out of 20 identified isolates) [ 14 ], maize from Brazil (four out of 85 isolates) [ 15 ], traditional herbs called yerba mate from Brazil (three out of 60 isolates) [ 16 ], and maize from China (one out of 195 isolates) [ 17 ]. On the other hand, A. novoparasiticus is the predominant species in sugarcane and its by-products from Brazil (35 out of 57 isolated strains) [ 18 ] and Egypt (40 out of 44 isolates from sugarcane juice) [ 8 ]. Linking the current data with the results of Abdallah et al [ 8 ], it can be concluded that sugarcane fields in Upper Egypt might be predominated with A. novoparasiticus for many decades.…”

Section: Resultsmentioning

confidence: 99%

Revisiting an Aspergillus flavus Strain Isolated from an Egyptian Sugarcane Field in 1930

et al. 2020

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The aflatoxin type B and G producer Aspergillus novoparasiticus was described in 2012 and was firstly reported from sputum, hospital air (Brazil), and soil (Colombia). Later, several survey studies reported the occurrence of this species in different foods and other agricultural commodities from several countries worldwide. This short communication reports on an old fungal strain (CBS 108.30), isolated from Pseudococcus sacchari (grey sugarcane mealybug) from an Egyptian sugarcane field in (or before) 1930. This strain was initially identified as Aspergillus flavus; however, using the latest taxonomy schemes, the strain is, in fact, A. novoparasiticus. These data and previous reports indicate that A. novoparasiticus is strongly associated with sugarcane, and pre-harvest biocontrol approaches with non-toxigenic A. novoparasiticus strains are likely to be more successful than those using non-toxigenic A. flavus strains. Further studies on the association between A. novoparasiticus and Pseudococcus sacchari might shed light on the distribution (and aflatoxin contamination) of this species in sugarcane. Additionally, the interaction between A. novoparasiticus, Pseudococcus sacchari, and sugarcane crop under different scenarios of climate change will be critical in order to get more insight into the host–pathogen interaction and host resistance and propose appropriate prevention strategies to decrease mycotoxin contamination and crop loss due to A. novoparasiticus attack.

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Section: Resultsmentioning

confidence: 99%

Revisiting an Aspergillus flavus Strain Isolated from an Egyptian Sugarcane Field in 1930

et al. 2020

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Natural Occurrence of Fungi and Aflatoxins Associated Sugarcane Plant and Sugarcane Juice and Their Control

Younos,

Embaby

2023

Indian J Microbiol

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Sugarcane is one of the most important crops in the world. It is also considered the most popular fresh juice in Egypt. The sugar content of the sugarcane stem represents the main source of fungal growth. This study aimed to investigate the natural co-occurrence of fungi in sugarcane plants and juice, test of aflatoxins production by aflatoxigenic fungi, and improve the quality of sugarcane juice. The obtained results indicated a notable decrease in all physical parameters of the naturally infected sugarcane plants. Isolation of fungi from sugarcane plant and juice from three localities revealed that the highest mean fungal count was recorded in sugarcane rootlets (173.55 cfu/cm), followed by sugarcane stem (94.88 cfu/cm), while sugarcane juice had the least mean fungal count (24.33 cfu/mL). The frequency of the isolated fungi associated with sugarcane plant yielded 781 fungal isolates for rootlets, 427 fungal isolates for stems, and 219 fungal isolates for juice. Four isolates of Aspergillus parasiticus were aflatoxins producers. Higher aflatoxin quantity (1434.92 ng/mL) was produced by A. parasiticus (isolate No. 21) from sugarcane stem, while A. parasiticus (isolate No. 5) from sugarcane juice was less aflatoxins producer (276.95 ng/mL). On the other hand, lemon juice showed a significant reduction effect on the fungal count of peeled and non-peeled sugarcane juice. In which the highest reduction percent of the fungal count was recorded with 20% conc. of lemon on peeled sugarcane juice (36.04%).The obtained results concluded that lemon juice was found to decrease the fungal contaminants and improve the quality of sugarcane juice.

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Aspergillus section Flavi and aflatoxins in Brazilian cassava (Manihot esculenta Crantz) and products

et al. 2021

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Aspergillus section Flavi diversity and the role of A. novoparasiticus in aflatoxin contamination in the sugarcane production chain

Cited by 10 publications

References 30 publications

Revisiting an Aspergillus flavus Strain Isolated from an Egyptian Sugarcane Field in 1930

Revisiting an Aspergillus flavus Strain Isolated from an Egyptian Sugarcane Field in 1930

Natural Occurrence of Fungi and Aflatoxins Associated Sugarcane Plant and Sugarcane Juice and Their Control

Aspergillus section Flavi and aflatoxins in Brazilian cassava (Manihot esculenta Crantz) and products

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