Inhibition of Aspergillus flavus in Soil by Antagonistic Pseudomonas Strains Reduces the Potential for Airborne Spore Dispersal
Pseudomonas chlororaphis strain JP1015 and P. fluorescens strain JP2175 were previously isolated from Mississippi cornfield soil samples and selected for their growth inhibition of Aspergillus flavus in laboratory culture. In this study, the antifungal activity of these bacterial strains against A....
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| Veröffentlicht in: | Phytopathology 2010-06, Vol.100 (6), p.532-538 |
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| creator | Palumbo, Jeffrey D O'Keeffe, Teresa L Kattan, Ali Abbas, Hamed K Johnson, Bobbie J |
| description | Pseudomonas chlororaphis strain JP1015 and P. fluorescens strain JP2175 were previously isolated from Mississippi cornfield soil samples and selected for their growth inhibition of Aspergillus flavus in laboratory culture. In this study, the antifungal activity of these bacterial strains against A. flavus in soil coculture was determined. Growth of A. flavus was inhibited up to 100-fold by P. chlororaphis strain JP1015 and up to 58-fold by P. fluorescens strain JP2175 within 3 days following soil coinoculation. A. flavus propagule densities after 16 days remained 7- to 20-fold lower in soil treated with either bacterial strain. Using a bench-scale wind chamber, we demonstrated that treatments of soil with P. chlororaphis strain JP1015 and P. fluorescens strain JP2175 reduced airborne spores dispersed across a 1 m distance by 75- to 1,000-fold and 10- to 50-fold, respectively, depending on soil type and inoculum level. These results suggest that application of these bacterial strains may be effective in reducing soil populations of mycotoxigenic fungi, thereby reducing fungal spore formation, and ultimately reducing the potential for crop plant infection via airborne transmission. |
| doi_str_mv | 10.1094/PHYTO-100-6-0532 |
| format | Article |
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In this study, the antifungal activity of these bacterial strains against A. flavus in soil coculture was determined. Growth of A. flavus was inhibited up to 100-fold by P. chlororaphis strain JP1015 and up to 58-fold by P. fluorescens strain JP2175 within 3 days following soil coinoculation. A. flavus propagule densities after 16 days remained 7- to 20-fold lower in soil treated with either bacterial strain. Using a bench-scale wind chamber, we demonstrated that treatments of soil with P. chlororaphis strain JP1015 and P. fluorescens strain JP2175 reduced airborne spores dispersed across a 1 m distance by 75- to 1,000-fold and 10- to 50-fold, respectively, depending on soil type and inoculum level. These results suggest that application of these bacterial strains may be effective in reducing soil populations of mycotoxigenic fungi, thereby reducing fungal spore formation, and ultimately reducing the potential for crop plant infection via airborne transmission.</description><identifier>ISSN: 0031-949X</identifier><identifier>EISSN: 1943-7684</identifier><identifier>DOI: 10.1094/PHYTO-100-6-0532</identifier><identifier>PMID: 20465408</identifier><identifier>CODEN: PHYTAJ</identifier><language>eng</language><publisher>St. Paul, MN: American Phytopathological Society</publisher><subject>Antibiosis ; antifungal properties ; Aspergillus flavus ; Aspergillus flavus - growth & development ; Biological and medical sciences ; biological control ; biological control agents ; disease transmission ; food contamination ; Fundamental and applied biological sciences. Psychology ; fungal antagonists ; in vitro studies ; microbial colonization ; microbial contamination ; microbial growth ; mycotoxins ; Phytopathology. Animal pests. Plant and forest protection ; Pseudomonas ; Pseudomonas chlororaphis ; Pseudomonas fluorescens ; Pseudomonas fluorescens - growth & development ; soil bacteria ; soil fungi ; Soil Microbiology ; Spores, Fungal - isolation & purification ; sporulation ; Wind ; Zea mays - microbiology</subject><ispartof>Phytopathology, 2010-06, Vol.100 (6), p.532-538</ispartof><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c426t-9457851a73a07508930dee914e8f9fa2c0a37bda1838bd17b26036dba9c396693</citedby><cites>FETCH-LOGICAL-c426t-9457851a73a07508930dee914e8f9fa2c0a37bda1838bd17b26036dba9c396693</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,3711,27901,27902</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=22847682$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/20465408$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Palumbo, Jeffrey D</creatorcontrib><creatorcontrib>O'Keeffe, Teresa L</creatorcontrib><creatorcontrib>Kattan, Ali</creatorcontrib><creatorcontrib>Abbas, Hamed K</creatorcontrib><creatorcontrib>Johnson, Bobbie J</creatorcontrib><title>Inhibition of Aspergillus flavus in Soil by Antagonistic Pseudomonas Strains Reduces the Potential for Airborne Spore Dispersal</title><title>Phytopathology</title><addtitle>Phytopathology</addtitle><description>Pseudomonas chlororaphis strain JP1015 and P. fluorescens strain JP2175 were previously isolated from Mississippi cornfield soil samples and selected for their growth inhibition of Aspergillus flavus in laboratory culture. In this study, the antifungal activity of these bacterial strains against A. flavus in soil coculture was determined. Growth of A. flavus was inhibited up to 100-fold by P. chlororaphis strain JP1015 and up to 58-fold by P. fluorescens strain JP2175 within 3 days following soil coinoculation. A. flavus propagule densities after 16 days remained 7- to 20-fold lower in soil treated with either bacterial strain. Using a bench-scale wind chamber, we demonstrated that treatments of soil with P. chlororaphis strain JP1015 and P. fluorescens strain JP2175 reduced airborne spores dispersed across a 1 m distance by 75- to 1,000-fold and 10- to 50-fold, respectively, depending on soil type and inoculum level. These results suggest that application of these bacterial strains may be effective in reducing soil populations of mycotoxigenic fungi, thereby reducing fungal spore formation, and ultimately reducing the potential for crop plant infection via airborne transmission.</description><subject>Antibiosis</subject><subject>antifungal properties</subject><subject>Aspergillus flavus</subject><subject>Aspergillus flavus - growth & development</subject><subject>Biological and medical sciences</subject><subject>biological control</subject><subject>biological control agents</subject><subject>disease transmission</subject><subject>food contamination</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>fungal antagonists</subject><subject>in vitro studies</subject><subject>microbial colonization</subject><subject>microbial contamination</subject><subject>microbial growth</subject><subject>mycotoxins</subject><subject>Phytopathology. Animal pests. Plant and forest protection</subject><subject>Pseudomonas</subject><subject>Pseudomonas chlororaphis</subject><subject>Pseudomonas fluorescens</subject><subject>Pseudomonas fluorescens - growth & development</subject><subject>soil bacteria</subject><subject>soil fungi</subject><subject>Soil Microbiology</subject><subject>Spores, Fungal - isolation & purification</subject><subject>sporulation</subject><subject>Wind</subject><subject>Zea mays - microbiology</subject><issn>0031-949X</issn><issn>1943-7684</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkUFv1DAQRi1ERZfCnRP4gjiljGPHiY-rQmmlSl2xrQSnaJI4WyOvvbUdpJ7613HYpRx7mjm8-WbsR8g7BqcMlPi8uvh5c10wgEIWUPHyBVkwJXhRy0a8JAsAzgol1I9j8jrGXwBQN5V8RY5LELIS0CzI46W7M51JxjvqR7qMOx02xtop0tHi71yMo2tvLO0e6NIl3HhnYjI9XUU9DX7rHUa6TgGNi_S7HqZeR5ruNF35pF0yaOnoA12a0PngNF3vfND0i5kXRbRvyNGINuq3h3pCbs-_3pxdFFfX3y7PlldFL0qZ8iOqfDrDmiPUFTSKw6C1YkI3oxqx7AF53Q3IGt50A6u7UgKXQ4eq50pKxU_Ip33uLvj7ScfUbk3stbXotJ9iWwsJLP8Kf57knAOr2EzCnuyDjzHosd0Fs8Xw0DJoZz_tXz-5hVa2s5888v4QPnVbPTwN_BOSgY8HAGOPdgzoehP_c2Ujstw56MOeG9G3uAmZuV2XwPJpmSiZ5H8Aozqiyw</recordid><startdate>20100601</startdate><enddate>20100601</enddate><creator>Palumbo, Jeffrey D</creator><creator>O'Keeffe, Teresa L</creator><creator>Kattan, Ali</creator><creator>Abbas, Hamed K</creator><creator>Johnson, Bobbie J</creator><general>American Phytopathological Society</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>7X8</scope><scope>7QL</scope><scope>7ST</scope><scope>C1K</scope><scope>M7N</scope><scope>SOI</scope></search><sort><creationdate>20100601</creationdate><title>Inhibition of Aspergillus flavus in Soil by Antagonistic Pseudomonas Strains Reduces the Potential for Airborne Spore Dispersal</title><author>Palumbo, Jeffrey D ; O'Keeffe, Teresa L ; Kattan, Ali ; Abbas, Hamed K ; Johnson, Bobbie J</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c426t-9457851a73a07508930dee914e8f9fa2c0a37bda1838bd17b26036dba9c396693</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Antibiosis</topic><topic>antifungal properties</topic><topic>Aspergillus flavus</topic><topic>Aspergillus flavus - growth & development</topic><topic>Biological and medical sciences</topic><topic>biological control</topic><topic>biological control agents</topic><topic>disease transmission</topic><topic>food contamination</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>fungal antagonists</topic><topic>in vitro studies</topic><topic>microbial colonization</topic><topic>microbial contamination</topic><topic>microbial growth</topic><topic>mycotoxins</topic><topic>Phytopathology. Animal pests. Plant and forest protection</topic><topic>Pseudomonas</topic><topic>Pseudomonas chlororaphis</topic><topic>Pseudomonas fluorescens</topic><topic>Pseudomonas fluorescens - growth & development</topic><topic>soil bacteria</topic><topic>soil fungi</topic><topic>Soil Microbiology</topic><topic>Spores, Fungal - isolation & purification</topic><topic>sporulation</topic><topic>Wind</topic><topic>Zea mays - microbiology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Palumbo, Jeffrey D</creatorcontrib><creatorcontrib>O'Keeffe, Teresa L</creatorcontrib><creatorcontrib>Kattan, Ali</creatorcontrib><creatorcontrib>Abbas, Hamed K</creatorcontrib><creatorcontrib>Johnson, Bobbie 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>MEDLINE - Academic</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Environment Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Environment Abstracts</collection><jtitle>Phytopathology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Palumbo, Jeffrey D</au><au>O'Keeffe, Teresa L</au><au>Kattan, Ali</au><au>Abbas, Hamed K</au><au>Johnson, Bobbie J</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Inhibition of Aspergillus flavus in Soil by Antagonistic Pseudomonas Strains Reduces the Potential for Airborne Spore Dispersal</atitle><jtitle>Phytopathology</jtitle><addtitle>Phytopathology</addtitle><date>2010-06-01</date><risdate>2010</risdate><volume>100</volume><issue>6</issue><spage>532</spage><epage>538</epage><pages>532-538</pages><issn>0031-949X</issn><eissn>1943-7684</eissn><coden>PHYTAJ</coden><abstract>Pseudomonas chlororaphis strain JP1015 and P. fluorescens strain JP2175 were previously isolated from Mississippi cornfield soil samples and selected for their growth inhibition of Aspergillus flavus in laboratory culture. In this study, the antifungal activity of these bacterial strains against A. flavus in soil coculture was determined. Growth of A. flavus was inhibited up to 100-fold by P. chlororaphis strain JP1015 and up to 58-fold by P. fluorescens strain JP2175 within 3 days following soil coinoculation. A. flavus propagule densities after 16 days remained 7- to 20-fold lower in soil treated with either bacterial strain. Using a bench-scale wind chamber, we demonstrated that treatments of soil with P. chlororaphis strain JP1015 and P. fluorescens strain JP2175 reduced airborne spores dispersed across a 1 m distance by 75- to 1,000-fold and 10- to 50-fold, respectively, depending on soil type and inoculum level. 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| source | MEDLINE; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; Alma/SFX Local Collection; American Phytopathological Society Journal Back Issues |
| subjects | Antibiosis antifungal properties Aspergillus flavus Aspergillus flavus - growth & development Biological and medical sciences biological control biological control agents disease transmission food contamination Fundamental and applied biological sciences. Psychology fungal antagonists in vitro studies microbial colonization microbial contamination microbial growth mycotoxins Phytopathology. Animal pests. Plant and forest protection Pseudomonas Pseudomonas chlororaphis Pseudomonas fluorescens Pseudomonas fluorescens - growth & development soil bacteria soil fungi Soil Microbiology Spores, Fungal - isolation & purification sporulation Wind Zea mays - microbiology |
| title | Inhibition of Aspergillus flavus in Soil by Antagonistic Pseudomonas Strains Reduces the Potential for Airborne Spore Dispersal |
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