Effect of water activity on ochratoxin A production by Aspergillus niger aggregate species
The effect of water activity ( a w) (0.82–0.99) on growth and ochratoxin A (OTA) production by twelve Aspergillus niger aggregate strains, cultured in Czapek Yeast Autolysate agar (CYA) and Yeast Extract Sucrose agar (YES), was studied for an incubation period of 30 days. The strains were selected t...
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| Veröffentlicht in: | International journal of food microbiology 2006-04, Vol.108 (2), p.188-195 |
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| creator | Esteban, A. Abarca, M.L. Bragulat, M.R. Cabañes, F.J. |
| description | The effect of water activity (
a
w) (0.82–0.99) on growth and ochratoxin A (OTA) production by twelve
Aspergillus niger aggregate strains, cultured in Czapek Yeast Autolysate agar (CYA) and Yeast Extract Sucrose agar (YES), was studied for an incubation period of 30 days. The strains were selected to include diverse sources, different reported abilities to produce OTA and different ITS-5.8 S rDNA Restriction Fragment Length Polymorphism (RFLP) pattern. They were characterized by Random Amplification of Polymorphic DNA (RAPD) and ITS-5.8 S rDNA and 28 S rDNA (D1/D2) sequencing. Regardless of the
a
w value tested, YES was a better culture medium than CYA for OTA production. The
a
w range for OTA production was narrower than that for growth. OTA was produced from 0.90, 0.92, 0.94 or 0.96 to 0.99
a
w depending on the strain and the culture medium. The molecular study differentiated strains into two groups which corresponded to the RFLP types N and T although it did not distinguish them by their source of isolation or OTA producing abilities. Our results show that
A. niger aggregate strains are able to grow and produce OTA over a wide
a
w range. These results will lead to a better understanding of the contribution of
A. niger aggregate in OTA contamination of food and feed. |
| doi_str_mv | 10.1016/j.ijfoodmicro.2005.12.002 |
| format | Article |
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a
w) (0.82–0.99) on growth and ochratoxin A (OTA) production by twelve
Aspergillus niger aggregate strains, cultured in Czapek Yeast Autolysate agar (CYA) and Yeast Extract Sucrose agar (YES), was studied for an incubation period of 30 days. The strains were selected to include diverse sources, different reported abilities to produce OTA and different ITS-5.8 S rDNA Restriction Fragment Length Polymorphism (RFLP) pattern. They were characterized by Random Amplification of Polymorphic DNA (RAPD) and ITS-5.8 S rDNA and 28 S rDNA (D1/D2) sequencing. Regardless of the
a
w value tested, YES was a better culture medium than CYA for OTA production. The
a
w range for OTA production was narrower than that for growth. OTA was produced from 0.90, 0.92, 0.94 or 0.96 to 0.99
a
w depending on the strain and the culture medium. The molecular study differentiated strains into two groups which corresponded to the RFLP types N and T although it did not distinguish them by their source of isolation or OTA producing abilities. Our results show that
A. niger aggregate strains are able to grow and produce OTA over a wide
a
w range. These results will lead to a better understanding of the contribution of
A. niger aggregate in OTA contamination of food and feed.</description><identifier>ISSN: 0168-1605</identifier><identifier>EISSN: 1879-3460</identifier><identifier>DOI: 10.1016/j.ijfoodmicro.2005.12.002</identifier><identifier>PMID: 16443301</identifier><identifier>CODEN: IJFMDD</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Agar ; Aspergillus niger ; Aspergillus niger - growth & development ; Aspergillus niger - metabolism ; Biological and medical sciences ; Black aspergilli ; Black aspergillus ; carcinogens ; Colony Count, Microbial ; Consumer Product Safety ; Culture Media ; DNA, Fungal - analysis ; food contamination ; Food Contamination - analysis ; Food industries ; Food Microbiology ; food pathogens ; Food toxicology ; Fundamental and applied biological sciences. Psychology ; Humans ; microbial growth ; Ochratoxin A ; Ochratoxins - biosynthesis ; Polymorphism, Restriction Fragment Length ; Random Amplified Polymorphic DNA Technique ; secondary metabolites ; Time Factors ; toxic substances ; toxigenic strains ; Water - metabolism ; Water activity</subject><ispartof>International journal of food microbiology, 2006-04, Vol.108 (2), p.188-195</ispartof><rights>2005 Elsevier B.V.</rights><rights>2006 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c460t-5992b42123112612eabe238141868c8ee2d7b68b126371a630b9618c466a38ad3</citedby><cites>FETCH-LOGICAL-c460t-5992b42123112612eabe238141868c8ee2d7b68b126371a630b9618c466a38ad3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0168160505006161$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=17675476$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/16443301$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Esteban, A.</creatorcontrib><creatorcontrib>Abarca, M.L.</creatorcontrib><creatorcontrib>Bragulat, M.R.</creatorcontrib><creatorcontrib>Cabañes, F.J.</creatorcontrib><title>Effect of water activity on ochratoxin A production by Aspergillus niger aggregate species</title><title>International journal of food microbiology</title><addtitle>Int J Food Microbiol</addtitle><description>The effect of water activity (
a
w) (0.82–0.99) on growth and ochratoxin A (OTA) production by twelve
Aspergillus niger aggregate strains, cultured in Czapek Yeast Autolysate agar (CYA) and Yeast Extract Sucrose agar (YES), was studied for an incubation period of 30 days. The strains were selected to include diverse sources, different reported abilities to produce OTA and different ITS-5.8 S rDNA Restriction Fragment Length Polymorphism (RFLP) pattern. They were characterized by Random Amplification of Polymorphic DNA (RAPD) and ITS-5.8 S rDNA and 28 S rDNA (D1/D2) sequencing. Regardless of the
a
w value tested, YES was a better culture medium than CYA for OTA production. The
a
w range for OTA production was narrower than that for growth. OTA was produced from 0.90, 0.92, 0.94 or 0.96 to 0.99
a
w depending on the strain and the culture medium. The molecular study differentiated strains into two groups which corresponded to the RFLP types N and T although it did not distinguish them by their source of isolation or OTA producing abilities. Our results show that
A. niger aggregate strains are able to grow and produce OTA over a wide
a
w range. These results will lead to a better understanding of the contribution of
A. niger aggregate in OTA contamination of food and feed.</description><subject>Agar</subject><subject>Aspergillus niger</subject><subject>Aspergillus niger - growth & development</subject><subject>Aspergillus niger - metabolism</subject><subject>Biological and medical sciences</subject><subject>Black aspergilli</subject><subject>Black aspergillus</subject><subject>carcinogens</subject><subject>Colony Count, Microbial</subject><subject>Consumer Product Safety</subject><subject>Culture Media</subject><subject>DNA, Fungal - analysis</subject><subject>food contamination</subject><subject>Food Contamination - analysis</subject><subject>Food industries</subject><subject>Food Microbiology</subject><subject>food pathogens</subject><subject>Food toxicology</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Humans</subject><subject>microbial growth</subject><subject>Ochratoxin A</subject><subject>Ochratoxins - biosynthesis</subject><subject>Polymorphism, Restriction Fragment Length</subject><subject>Random Amplified Polymorphic DNA Technique</subject><subject>secondary metabolites</subject><subject>Time Factors</subject><subject>toxic substances</subject><subject>toxigenic strains</subject><subject>Water - metabolism</subject><subject>Water activity</subject><issn>0168-1605</issn><issn>1879-3460</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqNkU1v3CAQhlHVqNmk_QstPTQ3uwzYgI-rVfohReohyaUXhDF2WXnNFuy0--8zq10pPfYEYp53ZvRAyEdgJTCQn7dl2PYxdrvgUiw5Y3UJvGSMvyIr0KopRCXZa7JCVhcgWX1JrnLeMgSFYG_IJciqwhusyM_bvvduprGnf-zsE7VuDk9hPtA40eh-JTvHv2Gia7pPsVuwiO_tga7z3qchjOOS6RSGY3AYkh-wB8WSCz6_JRe9HbN_dz6vyeOX24fNt-Lux9fvm_Vd4XDLuaibhrcVBy4AuATubeu50FCBltpp73mnWqlbLAoFVgrWNhI0hqUV2nbimtyc-uKGvxefZ7ML2flxtJOPSzagQAklNILNCURrOSffm30KO5sOBpg5ijVb849YcxRrgBsUi9n35yFLu_PdS_JsEoFPZ8BmZ8c-2cmF_MIpqepKSeQ-nLjeRmOHhMzjPccGDJjSja6R2JwIj9Kegk8mo87J-S4k_CrTxfAfCz8DBaKlUg</recordid><startdate>20060425</startdate><enddate>20060425</enddate><creator>Esteban, A.</creator><creator>Abarca, M.L.</creator><creator>Bragulat, M.R.</creator><creator>Cabañes, F.J.</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>FBQ</scope><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7T7</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>M7N</scope><scope>P64</scope></search><sort><creationdate>20060425</creationdate><title>Effect of water activity on ochratoxin A production by Aspergillus niger aggregate species</title><author>Esteban, A. ; Abarca, M.L. ; Bragulat, M.R. ; Cabañes, F.J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c460t-5992b42123112612eabe238141868c8ee2d7b68b126371a630b9618c466a38ad3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2006</creationdate><topic>Agar</topic><topic>Aspergillus niger</topic><topic>Aspergillus niger - growth & development</topic><topic>Aspergillus niger - metabolism</topic><topic>Biological and medical sciences</topic><topic>Black aspergilli</topic><topic>Black aspergillus</topic><topic>carcinogens</topic><topic>Colony Count, Microbial</topic><topic>Consumer Product Safety</topic><topic>Culture Media</topic><topic>DNA, Fungal - analysis</topic><topic>food contamination</topic><topic>Food Contamination - analysis</topic><topic>Food industries</topic><topic>Food Microbiology</topic><topic>food pathogens</topic><topic>Food toxicology</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Humans</topic><topic>microbial growth</topic><topic>Ochratoxin A</topic><topic>Ochratoxins - biosynthesis</topic><topic>Polymorphism, Restriction Fragment Length</topic><topic>Random Amplified Polymorphic DNA Technique</topic><topic>secondary metabolites</topic><topic>Time Factors</topic><topic>toxic substances</topic><topic>toxigenic strains</topic><topic>Water - metabolism</topic><topic>Water activity</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Esteban, A.</creatorcontrib><creatorcontrib>Abarca, M.L.</creatorcontrib><creatorcontrib>Bragulat, M.R.</creatorcontrib><creatorcontrib>Cabañes, F.J.</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><jtitle>International journal of food microbiology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Esteban, A.</au><au>Abarca, M.L.</au><au>Bragulat, M.R.</au><au>Cabañes, F.J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of water activity on ochratoxin A production by Aspergillus niger aggregate species</atitle><jtitle>International journal of food microbiology</jtitle><addtitle>Int J Food Microbiol</addtitle><date>2006-04-25</date><risdate>2006</risdate><volume>108</volume><issue>2</issue><spage>188</spage><epage>195</epage><pages>188-195</pages><issn>0168-1605</issn><eissn>1879-3460</eissn><coden>IJFMDD</coden><abstract>The effect of water activity (
a
w) (0.82–0.99) on growth and ochratoxin A (OTA) production by twelve
Aspergillus niger aggregate strains, cultured in Czapek Yeast Autolysate agar (CYA) and Yeast Extract Sucrose agar (YES), was studied for an incubation period of 30 days. The strains were selected to include diverse sources, different reported abilities to produce OTA and different ITS-5.8 S rDNA Restriction Fragment Length Polymorphism (RFLP) pattern. They were characterized by Random Amplification of Polymorphic DNA (RAPD) and ITS-5.8 S rDNA and 28 S rDNA (D1/D2) sequencing. Regardless of the
a
w value tested, YES was a better culture medium than CYA for OTA production. The
a
w range for OTA production was narrower than that for growth. OTA was produced from 0.90, 0.92, 0.94 or 0.96 to 0.99
a
w depending on the strain and the culture medium. The molecular study differentiated strains into two groups which corresponded to the RFLP types N and T although it did not distinguish them by their source of isolation or OTA producing abilities. Our results show that
A. niger aggregate strains are able to grow and produce OTA over a wide
a
w range. These results will lead to a better understanding of the contribution of
A. niger aggregate in OTA contamination of food and feed.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><pmid>16443301</pmid><doi>10.1016/j.ijfoodmicro.2005.12.002</doi><tpages>8</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0168-1605 |
| ispartof | International journal of food microbiology, 2006-04, Vol.108 (2), p.188-195 |
| issn | 0168-1605 1879-3460 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_17173738 |
| source | MEDLINE; Elsevier ScienceDirect Journals |
| subjects | Agar Aspergillus niger Aspergillus niger - growth & development Aspergillus niger - metabolism Biological and medical sciences Black aspergilli Black aspergillus carcinogens Colony Count, Microbial Consumer Product Safety Culture Media DNA, Fungal - analysis food contamination Food Contamination - analysis Food industries Food Microbiology food pathogens Food toxicology Fundamental and applied biological sciences. Psychology Humans microbial growth Ochratoxin A Ochratoxins - biosynthesis Polymorphism, Restriction Fragment Length Random Amplified Polymorphic DNA Technique secondary metabolites Time Factors toxic substances toxigenic strains Water - metabolism Water activity |
| title | Effect of water activity on ochratoxin A production by Aspergillus niger aggregate species |
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