A proposed role for the cuticular fatty amides of Liposcelis bostrychophila (Psocoptera: Liposcelidae) in preventing adhesion of entomopathogenic fungi with dry-conidia
Maximum challenge exposure of Liposcelis bostrychophila to Beauveria bassiana, Paecilomyces fumosoroseus, Aspergillus parasiticus or Metarhizium anisopliae resulted in no more than 16% mortality. We investigated several of L. bostrychophila's cuticular lipids for possible contributions to its t...
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description | Maximum challenge exposure of Liposcelis bostrychophila to Beauveria bassiana, Paecilomyces fumosoroseus, Aspergillus parasiticus or Metarhizium anisopliae resulted in no more than 16% mortality. We investigated several of L. bostrychophila's cuticular lipids for possible contributions to its tolerance for entomopathogenic fungi. Saturated C14 and C16 fatty acids did not reduce the germination rates of B. bassiana or M. anisopliae conidia. Saturated C6 to C12 fatty acids that have not been identified in L. bostrychophila cuticular extracts significantly reduced germination, but the reduction was mitigated by the presence of stearamide. Cis-6-hexadecenal did not affect germination rates. Mycelial growth of either fungal species did not occur in the presence of caprylic acid, was reduced by the presence of lauric acid, and was not significantly affected by palmitic acid. Liposcelis bostrychophila is the only insect for which fatty acid amides have been identified as cuticular components. Stearamide, its major fatty amide, did not reduce germination of B. bassiana or M. anisopliae conidia or growth of their mycelia. Adhesion of conidia to stearamide preparations did not differ significantly from adhesion to the cuticle of L. bostrychophila. Pretreatment of a beetle known to be fungus-susceptible, larval Oryzaephilus surinamensis, with stearamide significantly decreased adhesion of B. bassiana or M. anisopliae conidia to their cuticles. This evidence indicates that cuticular fatty amides may contribute to L. bostrychophila's tolerance for entomopathogenic fungi by decreasing hydrophobicity and static charge, thereby reducing conidial adhesion. |
doi_str_mv | 10.1023/B:MYCO.0000041837.29478.78 |
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We investigated several of L. bostrychophila's cuticular lipids for possible contributions to its tolerance for entomopathogenic fungi. Saturated C14 and C16 fatty acids did not reduce the germination rates of B. bassiana or M. anisopliae conidia. Saturated C6 to C12 fatty acids that have not been identified in L. bostrychophila cuticular extracts significantly reduced germination, but the reduction was mitigated by the presence of stearamide. Cis-6-hexadecenal did not affect germination rates. Mycelial growth of either fungal species did not occur in the presence of caprylic acid, was reduced by the presence of lauric acid, and was not significantly affected by palmitic acid. Liposcelis bostrychophila is the only insect for which fatty acid amides have been identified as cuticular components. Stearamide, its major fatty amide, did not reduce germination of B. bassiana or M. anisopliae conidia or growth of their mycelia. Adhesion of conidia to stearamide preparations did not differ significantly from adhesion to the cuticle of L. bostrychophila. Pretreatment of a beetle known to be fungus-susceptible, larval Oryzaephilus surinamensis, with stearamide significantly decreased adhesion of B. bassiana or M. anisopliae conidia to their cuticles. This evidence indicates that cuticular fatty amides may contribute to L. bostrychophila's tolerance for entomopathogenic fungi by decreasing hydrophobicity and static charge, thereby reducing conidial adhesion.</description><identifier>ISSN: 0301-486X</identifier><identifier>EISSN: 1573-0832</identifier><identifier>DOI: 10.1023/B:MYCO.0000041837.29478.78</identifier><identifier>PMID: 15518350</identifier><language>eng</language><publisher>Netherlands: Springer Nature B.V</publisher><subject>Amides - chemistry ; Animals ; Aspergillus parasiticus ; Beauveria bassiana ; Cell Adhesion ; Coleoptera - microbiology ; Fatty acids ; Fatty Acids - chemistry ; Fungi ; Hypocreales - growth & development ; Hypocreales - physiology ; Insecta - chemistry ; Insecta - microbiology ; Insects ; Lipids ; Liposcelidae ; Metarhizium anisopliae ; Oryzaephilus surinamensis ; Paecilomyces - growth & development ; Paecilomyces - physiology ; Paecilomyces fumosoroseus ; Psocoptera</subject><ispartof>Mycopathologia (1975), 2004-07, Vol.158 (2), p.211-217</ispartof><rights>Copyright (c) 2004 Kluwer Academic Publishers</rights><rights>Kluwer Academic Publishers 2004</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c457t-5c593f0d9d6db605ea64c952e086f0a0fbcd1504768195ac3bc6228b913114473</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/15518350$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Lord, Jeffrey C</creatorcontrib><creatorcontrib>Howard, Ralph W</creatorcontrib><title>A proposed role for the cuticular fatty amides of Liposcelis bostrychophila (Psocoptera: Liposcelidae) in preventing adhesion of entomopathogenic fungi with dry-conidia</title><title>Mycopathologia (1975)</title><addtitle>Mycopathologia</addtitle><description>Maximum challenge exposure of Liposcelis bostrychophila to Beauveria bassiana, Paecilomyces fumosoroseus, Aspergillus parasiticus or Metarhizium anisopliae resulted in no more than 16% mortality. We investigated several of L. bostrychophila's cuticular lipids for possible contributions to its tolerance for entomopathogenic fungi. Saturated C14 and C16 fatty acids did not reduce the germination rates of B. bassiana or M. anisopliae conidia. Saturated C6 to C12 fatty acids that have not been identified in L. bostrychophila cuticular extracts significantly reduced germination, but the reduction was mitigated by the presence of stearamide. Cis-6-hexadecenal did not affect germination rates. Mycelial growth of either fungal species did not occur in the presence of caprylic acid, was reduced by the presence of lauric acid, and was not significantly affected by palmitic acid. Liposcelis bostrychophila is the only insect for which fatty acid amides have been identified as cuticular components. Stearamide, its major fatty amide, did not reduce germination of B. bassiana or M. anisopliae conidia or growth of their mycelia. Adhesion of conidia to stearamide preparations did not differ significantly from adhesion to the cuticle of L. bostrychophila. Pretreatment of a beetle known to be fungus-susceptible, larval Oryzaephilus surinamensis, with stearamide significantly decreased adhesion of B. bassiana or M. anisopliae conidia to their cuticles. This evidence indicates that cuticular fatty amides may contribute to L. bostrychophila's tolerance for entomopathogenic fungi by decreasing hydrophobicity and static charge, thereby reducing conidial adhesion.</description><subject>Amides - chemistry</subject><subject>Animals</subject><subject>Aspergillus parasiticus</subject><subject>Beauveria bassiana</subject><subject>Cell Adhesion</subject><subject>Coleoptera - microbiology</subject><subject>Fatty acids</subject><subject>Fatty Acids - chemistry</subject><subject>Fungi</subject><subject>Hypocreales - growth & development</subject><subject>Hypocreales - physiology</subject><subject>Insecta - chemistry</subject><subject>Insecta - microbiology</subject><subject>Insects</subject><subject>Lipids</subject><subject>Liposcelidae</subject><subject>Metarhizium anisopliae</subject><subject>Oryzaephilus surinamensis</subject><subject>Paecilomyces - growth & development</subject><subject>Paecilomyces - physiology</subject><subject>Paecilomyces fumosoroseus</subject><subject>Psocoptera</subject><issn>0301-486X</issn><issn>1573-0832</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2004</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNqFkt9qFDEUxoNY7Fp9BQm9EL2YNX8mk8zetYvawkq9UNCrkEkyOykzkzHJKPtGPqYZu7DQm4YDgcPv-w7n8AFwidEaI0I_XG--_NzerdHySiwoX5O65GLNxTOwwozTAglKnoMVoggXpah-nIOXMd4jhHPxF-AcM5Z1DK3A3ys4BT_5aA0Mvrew9QGmzkI9J6fnXgXYqpQOUA3O2Ah9C3cu49r2LsLGxxQOuvNT53oF332NXvsp2aA2J8wo-x66Mc-xv-2Y3LiHynQ2Oj8udrnlBz-p1Pm9HZ2G7TzuHfzjUgdNOBTaj8449QqctaqP9vXxvwDfP338tr0pdnefb7dXu0KXjKeCaVbTFpnaVKapELOqKnXNiEWiapFCbaMNZqjklcA1U5o2uiJENDWmGJclpxfg7YNvPsuv2cYkB7es0avR-jnKiiPCCMFPgphzhIQgGbx8BN77OYx5CZl9CGZVSZ-AMKkpYxnaPEA6-BiDbeUU3KDCQWIkl2jIa7lEQ56iIf9HQ3KRxW-OE-ZmsOYkPWaB_gPSErdh</recordid><startdate>20040701</startdate><enddate>20040701</enddate><creator>Lord, Jeffrey C</creator><creator>Howard, Ralph W</creator><general>Springer Nature B.V</general><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>3V.</scope><scope>7X7</scope><scope>7XB</scope><scope>88A</scope><scope>88E</scope><scope>8AO</scope><scope>8FE</scope><scope>8FH</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>LK8</scope><scope>M0S</scope><scope>M1P</scope><scope>M7N</scope><scope>M7P</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>7X8</scope></search><sort><creationdate>20040701</creationdate><title>A proposed role for the cuticular fatty amides of Liposcelis bostrychophila (Psocoptera: Liposcelidae) in preventing adhesion of entomopathogenic fungi with dry-conidia</title><author>Lord, Jeffrey C ; Howard, Ralph W</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c457t-5c593f0d9d6db605ea64c952e086f0a0fbcd1504768195ac3bc6228b913114473</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2004</creationdate><topic>Amides - chemistry</topic><topic>Animals</topic><topic>Aspergillus parasiticus</topic><topic>Beauveria bassiana</topic><topic>Cell Adhesion</topic><topic>Coleoptera - microbiology</topic><topic>Fatty acids</topic><topic>Fatty Acids - chemistry</topic><topic>Fungi</topic><topic>Hypocreales - growth & development</topic><topic>Hypocreales - physiology</topic><topic>Insecta - chemistry</topic><topic>Insecta - microbiology</topic><topic>Insects</topic><topic>Lipids</topic><topic>Liposcelidae</topic><topic>Metarhizium anisopliae</topic><topic>Oryzaephilus surinamensis</topic><topic>Paecilomyces - growth & development</topic><topic>Paecilomyces - physiology</topic><topic>Paecilomyces fumosoroseus</topic><topic>Psocoptera</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lord, Jeffrey C</creatorcontrib><creatorcontrib>Howard, Ralph W</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Health & Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Biology Database (Alumni Edition)</collection><collection>Medical Database (Alumni Edition)</collection><collection>ProQuest Pharma Collection</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>Biological Science Collection</collection><collection>ProQuest Central</collection><collection>Natural Science Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>ProQuest Biological Science Collection</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>Medical Database</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biological Science Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>MEDLINE - Academic</collection><jtitle>Mycopathologia (1975)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lord, Jeffrey C</au><au>Howard, Ralph W</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A proposed role for the cuticular fatty amides of Liposcelis bostrychophila (Psocoptera: Liposcelidae) in preventing adhesion of entomopathogenic fungi with dry-conidia</atitle><jtitle>Mycopathologia (1975)</jtitle><addtitle>Mycopathologia</addtitle><date>2004-07-01</date><risdate>2004</risdate><volume>158</volume><issue>2</issue><spage>211</spage><epage>217</epage><pages>211-217</pages><issn>0301-486X</issn><eissn>1573-0832</eissn><abstract>Maximum challenge exposure of Liposcelis bostrychophila to Beauveria bassiana, Paecilomyces fumosoroseus, Aspergillus parasiticus or Metarhizium anisopliae resulted in no more than 16% mortality. We investigated several of L. bostrychophila's cuticular lipids for possible contributions to its tolerance for entomopathogenic fungi. Saturated C14 and C16 fatty acids did not reduce the germination rates of B. bassiana or M. anisopliae conidia. Saturated C6 to C12 fatty acids that have not been identified in L. bostrychophila cuticular extracts significantly reduced germination, but the reduction was mitigated by the presence of stearamide. Cis-6-hexadecenal did not affect germination rates. Mycelial growth of either fungal species did not occur in the presence of caprylic acid, was reduced by the presence of lauric acid, and was not significantly affected by palmitic acid. Liposcelis bostrychophila is the only insect for which fatty acid amides have been identified as cuticular components. Stearamide, its major fatty amide, did not reduce germination of B. bassiana or M. anisopliae conidia or growth of their mycelia. Adhesion of conidia to stearamide preparations did not differ significantly from adhesion to the cuticle of L. bostrychophila. Pretreatment of a beetle known to be fungus-susceptible, larval Oryzaephilus surinamensis, with stearamide significantly decreased adhesion of B. bassiana or M. anisopliae conidia to their cuticles. This evidence indicates that cuticular fatty amides may contribute to L. bostrychophila's tolerance for entomopathogenic fungi by decreasing hydrophobicity and static charge, thereby reducing conidial adhesion.</abstract><cop>Netherlands</cop><pub>Springer Nature B.V</pub><pmid>15518350</pmid><doi>10.1023/B:MYCO.0000041837.29478.78</doi><tpages>7</tpages></addata></record> |
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subjects | Amides - chemistry Animals Aspergillus parasiticus Beauveria bassiana Cell Adhesion Coleoptera - microbiology Fatty acids Fatty Acids - chemistry Fungi Hypocreales - growth & development Hypocreales - physiology Insecta - chemistry Insecta - microbiology Insects Lipids Liposcelidae Metarhizium anisopliae Oryzaephilus surinamensis Paecilomyces - growth & development Paecilomyces - physiology Paecilomyces fumosoroseus Psocoptera |
title | A proposed role for the cuticular fatty amides of Liposcelis bostrychophila (Psocoptera: Liposcelidae) in preventing adhesion of entomopathogenic fungi with dry-conidia |
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