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Effect of ultraviolet radiation A and B on growth and mycotoxin production by Aspergillus carbonarius and Aspergillus parasiticus in grape and pistachio media. / García-Cela, E.; Marin, S.; Sanchis, V.; Crespo-Sempere, A.; Ramos, A.J.

In: Fungal Biology, Vol. 119, No. 1, 01.01.2015, p. 67-78.

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@article{d33c03226bd54f9781ac3f6670afc61f,
title = "Effect of ultraviolet radiation A and B on growth and mycotoxin production by Aspergillus carbonarius and Aspergillus parasiticus in grape and pistachio media",
abstract = "The effects of two exposure times per day (6 and 16h) of UV-A or UV-B radiation, combined with dark and dark plus light incubation periods during 7-21don fungal growth and mycotoxins production of Aspergillus species were studied. Aspergillus carbonarius and Aspergillus parasiticus were inoculated on grape and pistachio media under diurnal and nocturnal temperatures choosing light photoperiod according to harvest conditions of these crops in Spain. Ultraviolet irradiation had a significant effect on A. carbonarius and A. parasiticus colony size (diameter, biomass dry weight, and colony density) and mycotoxin accumulation, although intraspecies differences were observed. Inhibition of A. carbonarius fungal growth decreased when exposure time was reduced from 16h to 6h, but this was not always true for ochratoxin A (OTA) production. OTA reduction was higher under UV-A than UV-B radiation and the reduction increased along time conversely to the aflatoxins (AFs). Aflatoxin B1 (AFB1) was the main toxin produced by A. parasiticus except in the UV-B light irradiated colonies which showed a higher percentage of AFG than AFB. Morphological changes were observed in colonies grown under UV-B light.",
keywords = "A. carbonarius, A. parasiticus, Aflatoxins, Climate Change, Ochratoxin A, Ozone depletion",
author = "E. Garc{\'i}a-Cela and S. Marin and V. Sanchis and A. Crespo-Sempere and A.J. Ramos",
year = "2015",
month = jan,
day = "1",
doi = "10.1016/j.funbio.2014.11.004",
language = "English",
volume = "119",
pages = "67--78",
journal = "Fungal Biology",
issn = "1878-6146",
publisher = "Elsevier",
number = "1",

}

RIS

TY - JOUR

T1 - Effect of ultraviolet radiation A and B on growth and mycotoxin production by Aspergillus carbonarius and Aspergillus parasiticus in grape and pistachio media

AU - García-Cela, E.

AU - Marin, S.

AU - Sanchis, V.

AU - Crespo-Sempere, A.

AU - Ramos, A.J.

PY - 2015/1/1

Y1 - 2015/1/1

N2 - The effects of two exposure times per day (6 and 16h) of UV-A or UV-B radiation, combined with dark and dark plus light incubation periods during 7-21don fungal growth and mycotoxins production of Aspergillus species were studied. Aspergillus carbonarius and Aspergillus parasiticus were inoculated on grape and pistachio media under diurnal and nocturnal temperatures choosing light photoperiod according to harvest conditions of these crops in Spain. Ultraviolet irradiation had a significant effect on A. carbonarius and A. parasiticus colony size (diameter, biomass dry weight, and colony density) and mycotoxin accumulation, although intraspecies differences were observed. Inhibition of A. carbonarius fungal growth decreased when exposure time was reduced from 16h to 6h, but this was not always true for ochratoxin A (OTA) production. OTA reduction was higher under UV-A than UV-B radiation and the reduction increased along time conversely to the aflatoxins (AFs). Aflatoxin B1 (AFB1) was the main toxin produced by A. parasiticus except in the UV-B light irradiated colonies which showed a higher percentage of AFG than AFB. Morphological changes were observed in colonies grown under UV-B light.

AB - The effects of two exposure times per day (6 and 16h) of UV-A or UV-B radiation, combined with dark and dark plus light incubation periods during 7-21don fungal growth and mycotoxins production of Aspergillus species were studied. Aspergillus carbonarius and Aspergillus parasiticus were inoculated on grape and pistachio media under diurnal and nocturnal temperatures choosing light photoperiod according to harvest conditions of these crops in Spain. Ultraviolet irradiation had a significant effect on A. carbonarius and A. parasiticus colony size (diameter, biomass dry weight, and colony density) and mycotoxin accumulation, although intraspecies differences were observed. Inhibition of A. carbonarius fungal growth decreased when exposure time was reduced from 16h to 6h, but this was not always true for ochratoxin A (OTA) production. OTA reduction was higher under UV-A than UV-B radiation and the reduction increased along time conversely to the aflatoxins (AFs). Aflatoxin B1 (AFB1) was the main toxin produced by A. parasiticus except in the UV-B light irradiated colonies which showed a higher percentage of AFG than AFB. Morphological changes were observed in colonies grown under UV-B light.

KW - A. carbonarius

KW - A. parasiticus

KW - Aflatoxins

KW - Climate Change

KW - Ochratoxin A

KW - Ozone depletion

UR - https://www.scopus.com/inward/record.uri?eid=2-s2.0-84921286937&doi=10.1016%2fj.funbio.2014.11.004&partnerID=40&md5=6c0e86f1fc0731009069b75e08302fa0

U2 - 10.1016/j.funbio.2014.11.004

DO - 10.1016/j.funbio.2014.11.004

M3 - Article

VL - 119

SP - 67

EP - 78

JO - Fungal Biology

JF - Fungal Biology

SN - 1878-6146

IS - 1

ER -