Phytotoxic metabolites of Phoma sorghina, a new foliar pathogen of pokeweed
Phoma sorghina is a newly described leaf spot pathogen on pokeweed. The fungus produced six Phytotoxins in liquid culture which were isolated and structurally identified as 6-methylsalicylic acid, epoxydon, desoxyepoxydon, phyllostine, 2,3′-dihydroxy-4-methoxy-5′,6-dimethyl diphenylether, and epoxyd...
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| Veröffentlicht in: | Mycologia 1992-09, Vol.84 (5), p.715-723 |
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| container_title | Mycologia |
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| creator | Venkatasubbaiah, P. (North Carolina State University, Raleigh, NC) Van Dyke, C.G Chilton, W.S |
| description | Phoma sorghina is a newly described leaf spot pathogen on pokeweed. The fungus produced six Phytotoxins in liquid culture which were isolated and structurally identified as 6-methylsalicylic acid, epoxydon, desoxyepoxydon, phyllostine, 2,3′-dihydroxy-4-methoxy-5′,6-dimethyl diphenylether, and epoxydon 6-methylsalicylate ester. The cell-free culture filtrate and all six toxins caused necrosis when spotted on pokeweed leaves and eight other weed species thus all six toxins were nonspecific Phytotoxins. Epoxydon, desoxyepoxydon and the diphenylether showed strong antimicrobial properties against all bacteria and fungi tested. 6-Methylsalicylic acid, epoxydon and the diphenylether also inhibited sorghum root growth. |
| doi_str_mv | 10.1080/00275514.1992.12026197 |
| format | Article |
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(North Carolina State University, Raleigh, NC) ; Van Dyke, C.G ; Chilton, W.S</creator><creatorcontrib>Venkatasubbaiah, P. (North Carolina State University, Raleigh, NC) ; Van Dyke, C.G ; Chilton, W.S</creatorcontrib><description>Phoma sorghina is a newly described leaf spot pathogen on pokeweed. The fungus produced six Phytotoxins in liquid culture which were isolated and structurally identified as 6-methylsalicylic acid, epoxydon, desoxyepoxydon, phyllostine, 2,3′-dihydroxy-4-methoxy-5′,6-dimethyl diphenylether, and epoxydon 6-methylsalicylate ester. The cell-free culture filtrate and all six toxins caused necrosis when spotted on pokeweed leaves and eight other weed species thus all six toxins were nonspecific Phytotoxins. Epoxydon, desoxyepoxydon and the diphenylether showed strong antimicrobial properties against all bacteria and fungi tested. 6-Methylsalicylic acid, epoxydon and the diphenylether also inhibited sorghum root growth.</description><identifier>ISSN: 0027-5514</identifier><identifier>EISSN: 1557-2536</identifier><identifier>DOI: 10.1080/00275514.1992.12026197</identifier><identifier>CODEN: MYCOAE</identifier><language>eng</language><publisher>Lawrence, KS: Taylor & Francis</publisher><subject>Acetates ; AGENT PATHOGENE ; Agronomy. Soil science and plant productions ; Biological and medical sciences ; BIOLOGICAL CONTROL ; Biological control and other methods ; CHAMPIGNON ; CHEMICAL COMPOSITION ; COMPOSICION QUIMICA ; COMPOSITION CHIMIQUE ; CONTROL BIOLOGICO ; DESHERBAGE ; epoxydon ; ESCARDA ; Esters ; Ethers ; Fundamental and applied biological sciences. Psychology ; Fungal spores ; FUNGI ; HONGOS ; Leaves ; LUTTE BIOLOGIQUE ; METABOLITE ; METABOLITES ; METABOLITOS ; ORGANISMOS PATOGENOS ; Parasitic plants. Weeds ; PATHOGENICITY ; PATHOGENS ; PHOMA ; Phoma sorghina ; PHYTOLACCA AMERICANA ; PHYTOLACCACEAE ; Phytopathology. Animal pests. Plant and forest protection ; PHYTOTOXINS ; PLANT PATHOGENIC FUNGI ; PODER PATOGENO ; pokeweed ; POUVOIR PATHOGENE ; SECONDARY METABOLITES ; Sorghum ; Toxicity ; TOXINAS ; TOXINE ; TOXINS ; WEED CONTROL ; Weeds</subject><ispartof>Mycologia, 1992-09, Vol.84 (5), p.715-723</ispartof><rights>1992 Taylor and Francis Group, LLC 1992</rights><rights>Copyright 1992 The New York Botanical Garden</rights><rights>1993 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c2664-fa999b05f879c7e801c55cf824169fc9e1e08063e0d133142d66e082211595f63</citedby><cites>FETCH-LOGICAL-c2664-fa999b05f879c7e801c55cf824169fc9e1e08063e0d133142d66e082211595f63</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/3760381$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/3760381$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>314,780,784,803,27924,27925,58017,58250</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=4567044$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Venkatasubbaiah, P. (North Carolina State University, Raleigh, NC)</creatorcontrib><creatorcontrib>Van Dyke, C.G</creatorcontrib><creatorcontrib>Chilton, W.S</creatorcontrib><title>Phytotoxic metabolites of Phoma sorghina, a new foliar pathogen of pokeweed</title><title>Mycologia</title><description>Phoma sorghina is a newly described leaf spot pathogen on pokeweed. The fungus produced six Phytotoxins in liquid culture which were isolated and structurally identified as 6-methylsalicylic acid, epoxydon, desoxyepoxydon, phyllostine, 2,3′-dihydroxy-4-methoxy-5′,6-dimethyl diphenylether, and epoxydon 6-methylsalicylate ester. The cell-free culture filtrate and all six toxins caused necrosis when spotted on pokeweed leaves and eight other weed species thus all six toxins were nonspecific Phytotoxins. Epoxydon, desoxyepoxydon and the diphenylether showed strong antimicrobial properties against all bacteria and fungi tested. 6-Methylsalicylic acid, epoxydon and the diphenylether also inhibited sorghum root growth.</description><subject>Acetates</subject><subject>AGENT PATHOGENE</subject><subject>Agronomy. Soil science and plant productions</subject><subject>Biological and medical sciences</subject><subject>BIOLOGICAL CONTROL</subject><subject>Biological control and other methods</subject><subject>CHAMPIGNON</subject><subject>CHEMICAL COMPOSITION</subject><subject>COMPOSICION QUIMICA</subject><subject>COMPOSITION CHIMIQUE</subject><subject>CONTROL BIOLOGICO</subject><subject>DESHERBAGE</subject><subject>epoxydon</subject><subject>ESCARDA</subject><subject>Esters</subject><subject>Ethers</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Fungal spores</subject><subject>FUNGI</subject><subject>HONGOS</subject><subject>Leaves</subject><subject>LUTTE BIOLOGIQUE</subject><subject>METABOLITE</subject><subject>METABOLITES</subject><subject>METABOLITOS</subject><subject>ORGANISMOS PATOGENOS</subject><subject>Parasitic plants. Weeds</subject><subject>PATHOGENICITY</subject><subject>PATHOGENS</subject><subject>PHOMA</subject><subject>Phoma sorghina</subject><subject>PHYTOLACCA AMERICANA</subject><subject>PHYTOLACCACEAE</subject><subject>Phytopathology. Animal pests. Plant and forest protection</subject><subject>PHYTOTOXINS</subject><subject>PLANT PATHOGENIC FUNGI</subject><subject>PODER PATOGENO</subject><subject>pokeweed</subject><subject>POUVOIR PATHOGENE</subject><subject>SECONDARY METABOLITES</subject><subject>Sorghum</subject><subject>Toxicity</subject><subject>TOXINAS</subject><subject>TOXINE</subject><subject>TOXINS</subject><subject>WEED CONTROL</subject><subject>Weeds</subject><issn>0027-5514</issn><issn>1557-2536</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1992</creationdate><recordtype>article</recordtype><recordid>eNqFkE9PGzEQxa2qSKSUL8Ch2kPVUzf1-O_6iFALCKQiAWdrcOxk6e462ItCvn29CoHeehrN-PfeeB4hX4DOgTb0B6VMSwliDsawOTDKFBj9gcxASl0zydVHMpugeqIOyaecH0tbXumMXN2stmMc40vrqt6P-BC7dvS5iqG6WcUeqxzTctUO-L3CavCbKhQAU7XGcRWXfpjAdfzjN94vPpODgF32x6_1iNz_-nl3dlFf_z6_PDu9rh1TStQBjTEPVIZGG6d9Q8FJ6ULDBCgTnPHgy1mKe7oAzkGwhVJlwhiANDIofkS-7XzXKT49-zzavs3Odx0OPj5nC4pzpaUooNqBLsWckw92ndoe09YCtVN2dp-dnbKz--yK8OvrBswOu5BwcG1-UwupNBXiHXvMY0z_mjNOteVaUd5AwU53WDuEmHrcxNQt7IjbLqa9Nf_vj052HgGjxWUqkvtbw0EKBvwv_1GUjw</recordid><startdate>19920901</startdate><enddate>19920901</enddate><creator>Venkatasubbaiah, P. (North Carolina State University, Raleigh, NC)</creator><creator>Van Dyke, C.G</creator><creator>Chilton, W.S</creator><general>Taylor & Francis</general><general>New York Botanical Garden</general><general>Mycological Society of America</general><scope>FBQ</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QO</scope><scope>7T7</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>M7N</scope><scope>P64</scope></search><sort><creationdate>19920901</creationdate><title>Phytotoxic metabolites of Phoma sorghina, a new foliar pathogen of pokeweed</title><author>Venkatasubbaiah, P. (North Carolina State University, Raleigh, NC) ; Van Dyke, C.G ; Chilton, W.S</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c2664-fa999b05f879c7e801c55cf824169fc9e1e08063e0d133142d66e082211595f63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1992</creationdate><topic>Acetates</topic><topic>AGENT PATHOGENE</topic><topic>Agronomy. Soil science and plant productions</topic><topic>Biological and medical sciences</topic><topic>BIOLOGICAL CONTROL</topic><topic>Biological control and other methods</topic><topic>CHAMPIGNON</topic><topic>CHEMICAL COMPOSITION</topic><topic>COMPOSICION QUIMICA</topic><topic>COMPOSITION CHIMIQUE</topic><topic>CONTROL BIOLOGICO</topic><topic>DESHERBAGE</topic><topic>epoxydon</topic><topic>ESCARDA</topic><topic>Esters</topic><topic>Ethers</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Fungal spores</topic><topic>FUNGI</topic><topic>HONGOS</topic><topic>Leaves</topic><topic>LUTTE BIOLOGIQUE</topic><topic>METABOLITE</topic><topic>METABOLITES</topic><topic>METABOLITOS</topic><topic>ORGANISMOS PATOGENOS</topic><topic>Parasitic plants. Weeds</topic><topic>PATHOGENICITY</topic><topic>PATHOGENS</topic><topic>PHOMA</topic><topic>Phoma sorghina</topic><topic>PHYTOLACCA AMERICANA</topic><topic>PHYTOLACCACEAE</topic><topic>Phytopathology. Animal pests. Plant and forest protection</topic><topic>PHYTOTOXINS</topic><topic>PLANT PATHOGENIC FUNGI</topic><topic>PODER PATOGENO</topic><topic>pokeweed</topic><topic>POUVOIR PATHOGENE</topic><topic>SECONDARY METABOLITES</topic><topic>Sorghum</topic><topic>Toxicity</topic><topic>TOXINAS</topic><topic>TOXINE</topic><topic>TOXINS</topic><topic>WEED CONTROL</topic><topic>Weeds</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Venkatasubbaiah, P. (North Carolina State University, Raleigh, NC)</creatorcontrib><creatorcontrib>Van Dyke, C.G</creatorcontrib><creatorcontrib>Chilton, W.S</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Biotechnology Research Abstracts</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>Mycologia</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Venkatasubbaiah, P. (North Carolina State University, Raleigh, NC)</au><au>Van Dyke, C.G</au><au>Chilton, W.S</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Phytotoxic metabolites of Phoma sorghina, a new foliar pathogen of pokeweed</atitle><jtitle>Mycologia</jtitle><date>1992-09-01</date><risdate>1992</risdate><volume>84</volume><issue>5</issue><spage>715</spage><epage>723</epage><pages>715-723</pages><issn>0027-5514</issn><eissn>1557-2536</eissn><coden>MYCOAE</coden><abstract>Phoma sorghina is a newly described leaf spot pathogen on pokeweed. The fungus produced six Phytotoxins in liquid culture which were isolated and structurally identified as 6-methylsalicylic acid, epoxydon, desoxyepoxydon, phyllostine, 2,3′-dihydroxy-4-methoxy-5′,6-dimethyl diphenylether, and epoxydon 6-methylsalicylate ester. The cell-free culture filtrate and all six toxins caused necrosis when spotted on pokeweed leaves and eight other weed species thus all six toxins were nonspecific Phytotoxins. Epoxydon, desoxyepoxydon and the diphenylether showed strong antimicrobial properties against all bacteria and fungi tested. 6-Methylsalicylic acid, epoxydon and the diphenylether also inhibited sorghum root growth.</abstract><cop>Lawrence, KS</cop><pub>Taylor & Francis</pub><doi>10.1080/00275514.1992.12026197</doi><tpages>9</tpages></addata></record> |
| fulltext | fulltext |
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| ispartof | Mycologia, 1992-09, Vol.84 (5), p.715-723 |
| issn | 0027-5514 1557-2536 |
| language | eng |
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| source | Jstor Complete Legacy |
| subjects | Acetates AGENT PATHOGENE Agronomy. Soil science and plant productions Biological and medical sciences BIOLOGICAL CONTROL Biological control and other methods CHAMPIGNON CHEMICAL COMPOSITION COMPOSICION QUIMICA COMPOSITION CHIMIQUE CONTROL BIOLOGICO DESHERBAGE epoxydon ESCARDA Esters Ethers Fundamental and applied biological sciences. Psychology Fungal spores FUNGI HONGOS Leaves LUTTE BIOLOGIQUE METABOLITE METABOLITES METABOLITOS ORGANISMOS PATOGENOS Parasitic plants. Weeds PATHOGENICITY PATHOGENS PHOMA Phoma sorghina PHYTOLACCA AMERICANA PHYTOLACCACEAE Phytopathology. Animal pests. Plant and forest protection PHYTOTOXINS PLANT PATHOGENIC FUNGI PODER PATOGENO pokeweed POUVOIR PATHOGENE SECONDARY METABOLITES Sorghum Toxicity TOXINAS TOXINE TOXINS WEED CONTROL Weeds |
| title | Phytotoxic metabolites of Phoma sorghina, a new foliar pathogen of pokeweed |
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