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Toxicological profile pathogenic species on maize in Serbia

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2022
bitstream_4096.pdf (1.085Mb)
Authors
Obradović, Ana
Nikolić, Milica
Savić, Iva
Krnjaja, Vesna
Stanković, Slavica
Conference object (Published version)
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Abstract
Fusarium and Aspergillus toxigenic species are considered to be the most common pathogens in maize. Agroecological conditions in Serbia favour the development of numerous pathogenic and toxigenic species of the genus Fusarium and Aspergillus. Global climate change may favour the contamination of maize with high levels of aflatoxins and fusariotoxins in temperate areas, such as Serbia. Fusarium graminearum synthesises mycotoxins from which the most important are type B trichothecene - deoxynivalenol (DON), its acetyl-ester derivatives (3- АDON and 15-АDON) and nivalenol (NIV). The two most important species of fungi responsible for aspergillosis kernel and ear rot are Aspergillus flavus and Aspergillus parasiticus, producers of aflatoxins (B1, B2, G1, and G2). Isolates of F. graminearum and A. parasiticus identified from maize grain samples collected over 12 years from 40 localities in Serbia were analyzed. Production potential of isolates were determined by high-pe...rformance liquid chromatography method (HPLC). Results of perennial research showed high variability in the concentrations of mycotoxins deoxynivalenol and aflatoxins in maize kernels. Detected concentrations of DON varied from 10,9 to 154.6 µg/g (average 47,2 µg/g), while 3ADON concentrations ranged from 3.42 to 71.6 µg/g (average 15,6 µg/g ) and 15ADON from 5.4 to 121.3 µg/g (average 29,8 µg/g). Mycotoxin 15ADON were predominant in observed samples. The average synthesis of aflatoxin B1 was 4145.97 µg/kg (range 14.24 to 7361.03 µg/kg) by which the isolates of this group were classified into strong producers of AFB1. The average synthesis of aflatoxin B2 was 403.55 µg/kg, aflatoxin G1 3490.07 µg/kg and G2 198.29 µg/kg averaging, respectivel

Keywords:
Fusarium / Aspergillus / Maize / Mycotoxins
Source:
Book of Abstracts, XXVth EUCARPIA Maize and Sorghum "Conference Current Challenges and New Methods for Maize and Sorghum Breeding", May 30 – June 2, 2022, Belgrade, Serbia, 2022, 58-58

ISBN: 978-86-80383-15-6

[ Google Scholar ]
Handle
https://hdl.handle.net/21.15107/rcub_ristocar_803
URI
http://r.istocar.bg.ac.rs/handle/123456789/803
Collections
  • Radovi istraživača / Researchers' publications
Institution/Community
RIStocar
TY  - CONF
AU  - Obradović, Ana
AU  - Nikolić, Milica
AU  - Savić, Iva
AU  - Krnjaja, Vesna
AU  - Stanković, Slavica
PY  - 2022
UR  - http://r.istocar.bg.ac.rs/handle/123456789/803
AB  - Fusarium and Aspergillus toxigenic species are considered to be the most common pathogens 
in maize. Agroecological conditions in Serbia favour the development of numerous pathogenic 
and toxigenic species of the genus Fusarium and Aspergillus. Global climate change may 
favour the contamination of maize with high levels of aflatoxins and fusariotoxins in temperate 
areas, such as Serbia. Fusarium graminearum synthesises mycotoxins from which the most 
important are type B trichothecene - deoxynivalenol (DON), its acetyl-ester derivatives (3-
АDON and 15-АDON) and nivalenol (NIV). The two most important species of fungi 
responsible for aspergillosis kernel and ear rot are Aspergillus flavus and Aspergillus 
parasiticus, producers of aflatoxins (B1, B2, G1, and G2). 
Isolates of F. graminearum and A. parasiticus identified from maize grain samples collected 
over 12 years from 40 localities in Serbia were analyzed. Production potential of isolates were 
determined by high-performance liquid chromatography method (HPLC).
Results of perennial research showed high variability in the concentrations of mycotoxins 
deoxynivalenol and aflatoxins in maize kernels. Detected concentrations of DON varied from 
10,9 to 154.6 µg/g (average 47,2 µg/g), while 3ADON concentrations ranged from 3.42 to 71.6 
µg/g (average 15,6 µg/g ) and 15ADON from 5.4 to 121.3 µg/g (average 29,8 µg/g). Mycotoxin 
15ADON were predominant in observed samples. The average synthesis of aflatoxin B1 was 
4145.97 µg/kg (range 14.24 to 7361.03 µg/kg) by which the isolates of this group were 
classified into strong producers of AFB1. The average synthesis of aflatoxin B2 was 403.55 
µg/kg, aflatoxin G1 3490.07 µg/kg and G2 198.29 µg/kg averaging, respectivel
C3  - Book of Abstracts, XXVth EUCARPIA Maize and Sorghum  "Conference Current Challenges and New Methods for Maize and Sorghum Breeding", May 30 – June 2, 2022, Belgrade, Serbia
T1  - Toxicological profile pathogenic species on maize in Serbia
SP  - 58
EP  - 58
UR  - https://hdl.handle.net/21.15107/rcub_ristocar_803
ER  - 
@conference{
author = "Obradović, Ana and Nikolić, Milica and Savić, Iva and Krnjaja, Vesna and Stanković, Slavica",
year = "2022",
abstract = "Fusarium and Aspergillus toxigenic species are considered to be the most common pathogens 
in maize. Agroecological conditions in Serbia favour the development of numerous pathogenic 
and toxigenic species of the genus Fusarium and Aspergillus. Global climate change may 
favour the contamination of maize with high levels of aflatoxins and fusariotoxins in temperate 
areas, such as Serbia. Fusarium graminearum synthesises mycotoxins from which the most 
important are type B trichothecene - deoxynivalenol (DON), its acetyl-ester derivatives (3-
АDON and 15-АDON) and nivalenol (NIV). The two most important species of fungi 
responsible for aspergillosis kernel and ear rot are Aspergillus flavus and Aspergillus 
parasiticus, producers of aflatoxins (B1, B2, G1, and G2). 
Isolates of F. graminearum and A. parasiticus identified from maize grain samples collected 
over 12 years from 40 localities in Serbia were analyzed. Production potential of isolates were 
determined by high-performance liquid chromatography method (HPLC).
Results of perennial research showed high variability in the concentrations of mycotoxins 
deoxynivalenol and aflatoxins in maize kernels. Detected concentrations of DON varied from 
10,9 to 154.6 µg/g (average 47,2 µg/g), while 3ADON concentrations ranged from 3.42 to 71.6 
µg/g (average 15,6 µg/g ) and 15ADON from 5.4 to 121.3 µg/g (average 29,8 µg/g). Mycotoxin 
15ADON were predominant in observed samples. The average synthesis of aflatoxin B1 was 
4145.97 µg/kg (range 14.24 to 7361.03 µg/kg) by which the isolates of this group were 
classified into strong producers of AFB1. The average synthesis of aflatoxin B2 was 403.55 
µg/kg, aflatoxin G1 3490.07 µg/kg and G2 198.29 µg/kg averaging, respectivel",
journal = "Book of Abstracts, XXVth EUCARPIA Maize and Sorghum  "Conference Current Challenges and New Methods for Maize and Sorghum Breeding", May 30 – June 2, 2022, Belgrade, Serbia",
title = "Toxicological profile pathogenic species on maize in Serbia",
pages = "58-58",
url = "https://hdl.handle.net/21.15107/rcub_ristocar_803"
}
Obradović, A., Nikolić, M., Savić, I., Krnjaja, V.,& Stanković, S.. (2022). Toxicological profile pathogenic species on maize in Serbia. in Book of Abstracts, XXVth EUCARPIA Maize and Sorghum  "Conference Current Challenges and New Methods for Maize and Sorghum Breeding", May 30 – June 2, 2022, Belgrade, Serbia, 58-58.
https://hdl.handle.net/21.15107/rcub_ristocar_803
Obradović A, Nikolić M, Savić I, Krnjaja V, Stanković S. Toxicological profile pathogenic species on maize in Serbia. in Book of Abstracts, XXVth EUCARPIA Maize and Sorghum  "Conference Current Challenges and New Methods for Maize and Sorghum Breeding", May 30 – June 2, 2022, Belgrade, Serbia. 2022;:58-58.
https://hdl.handle.net/21.15107/rcub_ristocar_803 .
Obradović, Ana, Nikolić, Milica, Savić, Iva, Krnjaja, Vesna, Stanković, Slavica, "Toxicological profile pathogenic species on maize in Serbia" in Book of Abstracts, XXVth EUCARPIA Maize and Sorghum  "Conference Current Challenges and New Methods for Maize and Sorghum Breeding", May 30 – June 2, 2022, Belgrade, Serbia (2022):58-58,
https://hdl.handle.net/21.15107/rcub_ristocar_803 .

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