Mycotoxigenic fungi contaminating wheat; toxicity of different Alternaria compacta strains
We studied mycotoxigenic fungi contaminating stored wheat grain, measured the toxins they secreted, and assessed their harmfulness. We focused on one common genus Alternaria, and chose 19 isolates representing A. compacta to study how different strains differed in their mycotoxin secretion and toxic...
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| Veröffentlicht in: | Saudi journal of biological sciences 2019-01, Vol.26 (1), p.210-215 |
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| container_title | Saudi journal of biological sciences |
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| creator | Gashgari, R. Ameen, Fuad Al-Homaidi, E. Gherbawy, Y. Al Nadhari, S. Vijayan, V. |
| description | We studied mycotoxigenic fungi contaminating stored wheat grain, measured the toxins they secreted, and assessed their harmfulness. We focused on one common genus Alternaria, and chose 19 isolates representing A. compacta to study how different strains differed in their mycotoxin secretion and toxicity. Toxicity was assessed in a bioassay with a model bacteria Bacillus subtilis. All 19 A. compacta strains secreted toxins. Both the mycotoxin pattern and the fungal toxicity differed between the A. compacta stains. It seemed that some other toxins than alternariols or altenue acted as the main virulence factors of A. compacta against B. subtilis. We suggest that the most commonly studied mycotoxins do not necessarily indicate the toxicity of the fungi. The high variation in the amounts and toxins that different Alternaria species and strains secrete pose a challenge to the food supply chain. |
| doi_str_mv | 10.1016/j.sjbs.2018.10.007 |
| format | Article |
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We focused on one common genus Alternaria, and chose 19 isolates representing A. compacta to study how different strains differed in their mycotoxin secretion and toxicity. Toxicity was assessed in a bioassay with a model bacteria Bacillus subtilis. All 19 A. compacta strains secreted toxins. Both the mycotoxin pattern and the fungal toxicity differed between the A. compacta stains. It seemed that some other toxins than alternariols or altenue acted as the main virulence factors of A. compacta against B. subtilis. We suggest that the most commonly studied mycotoxins do not necessarily indicate the toxicity of the fungi. The high variation in the amounts and toxins that different Alternaria species and strains secrete pose a challenge to the food supply chain.</description><identifier>ISSN: 1319-562X</identifier><identifier>EISSN: 2213-7106</identifier><identifier>DOI: 10.1016/j.sjbs.2018.10.007</identifier><identifier>PMID: 30622428</identifier><language>eng</language><publisher>Riyadh, Saudi Arabia: Elsevier B.V</publisher><subject>Alternaria ; B. subtilis ; Mycotoxins ; Wheat grains ; التسمم ; التلوث ; السموم الفطرية ; القمح</subject><ispartof>Saudi journal of biological sciences, 2019-01, Vol.26 (1), p.210-215</ispartof><rights>2018 The Authors</rights><rights>2018 The Authors 2018</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3927-f495048fff3c1007fe361cfae5e57db035eae6ad3dc8472f2c6ef03c08452bf93</citedby><cites>FETCH-LOGICAL-c3927-f495048fff3c1007fe361cfae5e57db035eae6ad3dc8472f2c6ef03c08452bf93</cites><orcidid>0000-0002-8742-2673</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC6319088/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.sjbs.2018.10.007$$EHTML$$P50$$Gelsevier$$Hfree_for_read</linktohtml><link.rule.ids>230,314,727,780,784,885,3550,27924,27925,45995,53791,53793</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/30622428$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Gashgari, R.</creatorcontrib><creatorcontrib>Ameen, Fuad</creatorcontrib><creatorcontrib>Al-Homaidi, E.</creatorcontrib><creatorcontrib>Gherbawy, Y.</creatorcontrib><creatorcontrib>Al Nadhari, S.</creatorcontrib><creatorcontrib>Vijayan, V.</creatorcontrib><title>Mycotoxigenic fungi contaminating wheat; toxicity of different Alternaria compacta strains</title><title>Saudi journal of biological sciences</title><addtitle>Saudi J Biol Sci</addtitle><description>We studied mycotoxigenic fungi contaminating stored wheat grain, measured the toxins they secreted, and assessed their harmfulness. We focused on one common genus Alternaria, and chose 19 isolates representing A. compacta to study how different strains differed in their mycotoxin secretion and toxicity. Toxicity was assessed in a bioassay with a model bacteria Bacillus subtilis. All 19 A. compacta strains secreted toxins. Both the mycotoxin pattern and the fungal toxicity differed between the A. compacta stains. It seemed that some other toxins than alternariols or altenue acted as the main virulence factors of A. compacta against B. subtilis. We suggest that the most commonly studied mycotoxins do not necessarily indicate the toxicity of the fungi. The high variation in the amounts and toxins that different Alternaria species and strains secrete pose a challenge to the food supply chain.</description><subject>Alternaria</subject><subject>B. subtilis</subject><subject>Mycotoxins</subject><subject>Wheat grains</subject><subject>التسمم</subject><subject>التلوث</subject><subject>السموم الفطرية</subject><subject>القمح</subject><issn>1319-562X</issn><issn>2213-7106</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNp9UU2LFDEQDeLijqt_QFD66KXHfHSn0yjCsvgFu3hREC8hU12ZzdCdjElmdf79pplx0MueCl69V1WvHiEvGF0yyuSbzTJtVmnJKVMFWFLaPSILzpmoO0blY7JggvV1K_mPc_I0pQ2lUgnFnpBzQSXnDVcL8vNmDyGHP26N3kFld37tKgg-m8l5k51fV79v0eS31UwCl_dVsNXgrMWIPleXY8boTXSmqKatgWyqlKNxPj0jZ9aMCZ8f6wX5_vHDt6vP9fXXT1-uLq9rED3vatv0LW2UtVYAKx4sCsnAGmyx7YYVFS0alGYQA6im45aDREsFUNW0fGV7cUHeH-Zud6sJByhnRTPqbXSTiXsdjNP_d7y71etwp2V5D1WqDHh9HBDDrx2mrCeXAMfReAy7pDmTrWy7js1UfqBCDClFtKc1jOo5FL3Rcyh6DmXGiqEievXvgSfJ3xQK4eWBgAVHa04M1XfFZOm_O_bLG-8cRp3AoQccXETIegjuof33pGqrQw</recordid><startdate>20190101</startdate><enddate>20190101</enddate><creator>Gashgari, R.</creator><creator>Ameen, Fuad</creator><creator>Al-Homaidi, E.</creator><creator>Gherbawy, Y.</creator><creator>Al Nadhari, S.</creator><creator>Vijayan, V.</creator><general>Elsevier B.V</general><general>Saudi Biological Society</general><general>Elsevier</general><scope>6I.</scope><scope>AAFTH</scope><scope>ADJCN</scope><scope>AHFXO</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>5PM</scope><orcidid>https://orcid.org/0000-0002-8742-2673</orcidid></search><sort><creationdate>20190101</creationdate><title>Mycotoxigenic fungi contaminating wheat; toxicity of different Alternaria compacta strains</title><author>Gashgari, R. ; Ameen, Fuad ; Al-Homaidi, E. ; Gherbawy, Y. ; Al Nadhari, S. ; Vijayan, V.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3927-f495048fff3c1007fe361cfae5e57db035eae6ad3dc8472f2c6ef03c08452bf93</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Alternaria</topic><topic>B. subtilis</topic><topic>Mycotoxins</topic><topic>Wheat grains</topic><topic>التسمم</topic><topic>التلوث</topic><topic>السموم الفطرية</topic><topic>القمح</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Gashgari, R.</creatorcontrib><creatorcontrib>Ameen, Fuad</creatorcontrib><creatorcontrib>Al-Homaidi, E.</creatorcontrib><creatorcontrib>Gherbawy, Y.</creatorcontrib><creatorcontrib>Al Nadhari, S.</creatorcontrib><creatorcontrib>Vijayan, V.</creatorcontrib><collection>ScienceDirect Open Access Titles</collection><collection>Elsevier:ScienceDirect:Open Access</collection><collection>الدوريات العلمية والإحصائية - e-Marefa Academic and Statistical Periodicals</collection><collection>معرفة - المحتوى العربي الأكاديمي المتكامل - e-Marefa Academic Complete</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Saudi journal of biological sciences</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Gashgari, R.</au><au>Ameen, Fuad</au><au>Al-Homaidi, E.</au><au>Gherbawy, Y.</au><au>Al Nadhari, S.</au><au>Vijayan, V.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Mycotoxigenic fungi contaminating wheat; toxicity of different Alternaria compacta strains</atitle><jtitle>Saudi journal of biological sciences</jtitle><addtitle>Saudi J Biol Sci</addtitle><date>2019-01-01</date><risdate>2019</risdate><volume>26</volume><issue>1</issue><spage>210</spage><epage>215</epage><pages>210-215</pages><issn>1319-562X</issn><eissn>2213-7106</eissn><abstract>We studied mycotoxigenic fungi contaminating stored wheat grain, measured the toxins they secreted, and assessed their harmfulness. 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| source | Elsevier ScienceDirect Journals Complete; EZB-FREE-00999 freely available EZB journals; PubMed Central |
| subjects | Alternaria B. subtilis Mycotoxins Wheat grains التسمم التلوث السموم الفطرية القمح |
| title | Mycotoxigenic fungi contaminating wheat; toxicity of different Alternaria compacta strains |
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