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Abstract:

Alternaria tenuissima is commonly isolated from wheat in Argentina. The objective of this study was to examine the effects of temperature (15-34 °C) and water activity (0.98, 0.95 ) on growth and temporal altertoxin II (ALTX-II) production by two strains over 14-21 days on a milled wheat agar. It was shown that growth occurred over the whole temperature range tested and was optimum at 25-30 °C and 0.98 , and 30 °C at 0.95 . The incubation time did not show any significant effect on ALTX-II accumulation. The optimum conditions for ALTX-II production were 0.98 aw and 30 °C for both strains. The strains also accumulated significant amounts of this toxin at 34 °C. This is the first study to evaluate the ecology of growth and production of ALTX-II by strains of A. tenuissima.

Registro:

Documento: Artículo
Título:Temperature and water stress impacts on growth and production of altertoxin-II by strains of alternaria tenuissima from Argentinean wheat
Autor:Patriarca, A.; Medina, A.; Pinto, V.F.; Magan, N.
Filiación:Ciudad Universitaria, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Pabellón II, 3o Piso, 1428 Buenos Aires, Argentina
Applied Mycology Group, Cranfield Soil and AgriFood Institute, Cranfield University, Bedford MK43 0AL, United Kingdom
Palabras clave:Alternaria; altertoxin II; growth; temperature; water stress; altertoxin ii; mycotoxin; unclassified drug; water; agar medium; Alternaria; Alternaria tenuissima; article; ecology; fungal strain; fungus growth; nonhuman; temperature; temperature stress; toxin synthesis; water stress; wheat
Año:2014
Volumen:7
Número:3
Página de inicio:329
Página de fin:334
DOI: http://dx.doi.org/10.3920/WMJ2013.1711
Título revista:World Mycotoxin Journal
Título revista abreviado:World Mycotoxin J.
ISSN:18750710
CAS:water, 7732-18-5
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_18750710_v7_n3_p329_Patriarca

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Citas:

---------- APA ----------
Patriarca, A., Medina, A., Pinto, V.F. & Magan, N. (2014) . Temperature and water stress impacts on growth and production of altertoxin-II by strains of alternaria tenuissima from Argentinean wheat. World Mycotoxin Journal, 7(3), 329-334.
http://dx.doi.org/10.3920/WMJ2013.1711
---------- CHICAGO ----------
Patriarca, A., Medina, A., Pinto, V.F., Magan, N. "Temperature and water stress impacts on growth and production of altertoxin-II by strains of alternaria tenuissima from Argentinean wheat" . World Mycotoxin Journal 7, no. 3 (2014) : 329-334.
http://dx.doi.org/10.3920/WMJ2013.1711
---------- MLA ----------
Patriarca, A., Medina, A., Pinto, V.F., Magan, N. "Temperature and water stress impacts on growth and production of altertoxin-II by strains of alternaria tenuissima from Argentinean wheat" . World Mycotoxin Journal, vol. 7, no. 3, 2014, pp. 329-334.
http://dx.doi.org/10.3920/WMJ2013.1711
---------- VANCOUVER ----------
Patriarca, A., Medina, A., Pinto, V.F., Magan, N. Temperature and water stress impacts on growth and production of altertoxin-II by strains of alternaria tenuissima from Argentinean wheat. World Mycotoxin J. 2014;7(3):329-334.
http://dx.doi.org/10.3920/WMJ2013.1711