Seed parasitism redirects ovule development in Douglas fir
Many parasitic species of insects complete their entire development in seeds. They feed off storage reserves within the ovule. These reserves only normally accumulate in fertilized ovules. Consequently, female insects that oviposit their eggs directly into the plant ovule need to be able to select c...
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Veröffentlicht in: | Proceedings of the Royal Society. B, Biological sciences Biological sciences, 2005-07, Vol.272 (1571), p.1491-1496 |
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creator | Von Aderkas, P Rouault, G Wagner, R Rohr, R Roques, A |
description | Many parasitic species of insects complete their entire development in seeds. They feed off storage reserves within the ovule. These reserves only normally accumulate in fertilized ovules. Consequently, female insects that oviposit their eggs directly into the plant ovule need to be able to select correctly, as unfertilized ovules of conifers normally become so-called empty seed. We provide clear evidence that in conifers, seed-parasitizing insects do not need to discriminate between fertilized and unfertilized plant ovules when ovipositing their eggs. A host-specific insect, the chalcid Megastigmus spermotrophus Wachtl (Hymenoptera: Torymidae), lays its eggs in ovules of Douglas fir (Pseudotsuga menziesii (Mirbel) Franco) before fertilization has taken place in the plant. Oviposition not only prevents the expected degeneration and death of unfertilized ovules, but it induces energy reserve accumulation. Ovules that would otherwise develop as empty seed are redirected in their development by the insect to provide food for the developing larvae. Instead of the insect exploiting normal events during seed development, the insect manipulates seed development for its own reproductive advantage. |
doi_str_mv | 10.1098/rspb.2005.3061 |
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They feed off storage reserves within the ovule. These reserves only normally accumulate in fertilized ovules. Consequently, female insects that oviposit their eggs directly into the plant ovule need to be able to select correctly, as unfertilized ovules of conifers normally become so-called empty seed. We provide clear evidence that in conifers, seed-parasitizing insects do not need to discriminate between fertilized and unfertilized plant ovules when ovipositing their eggs. A host-specific insect, the chalcid Megastigmus spermotrophus Wachtl (Hymenoptera: Torymidae), lays its eggs in ovules of Douglas fir (Pseudotsuga menziesii (Mirbel) Franco) before fertilization has taken place in the plant. Oviposition not only prevents the expected degeneration and death of unfertilized ovules, but it induces energy reserve accumulation. Ovules that would otherwise develop as empty seed are redirected in their development by the insect to provide food for the developing larvae. Instead of the insect exploiting normal events during seed development, the insect manipulates seed development for its own reproductive advantage.</description><identifier>ISSN: 0962-8452</identifier><identifier>EISSN: 1471-2954</identifier><identifier>DOI: 10.1098/rspb.2005.3061</identifier><identifier>PMID: 16011924</identifier><language>eng</language><publisher>London: The Royal Society</publisher><subject>Animals ; British Columbia ; conifers ; Female ; France ; Host-Parasite Interactions ; Hymenoptera ; Insect development ; Insect eggs ; Insect larvae ; Insect reproduction ; Larval development ; Life Sciences ; Megastigmus ; Megastigmus spermotrophus ; Ova ; Oviposition ; Oviposition - physiology ; Ovules ; Parasitism ; parasitoids ; plant development ; plant-insect relations ; Plants ; Pseudotsuga ; Pseudotsuga - growth & development ; Pseudotsuga - parasitology ; Pseudotsuga menziesii ; Seed Development ; Seed Parasite ; seeds ; Seeds - cytology ; Seeds - growth & development ; Seeds - parasitology ; Symbiosis ; Torymidae ; Vespidae ; Wasps - physiology</subject><ispartof>Proceedings of the Royal Society. B, Biological sciences, 2005-07, Vol.272 (1571), p.1491-1496</ispartof><rights>Copyright 2005 The Royal Society</rights><rights>2005 The Royal Society</rights><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><rights>2005 The Royal Society 2005</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c781t-47abaf5259895206880d88ba8b799a78e9a4fcd190d782baa0dc0d00e229e7de3</citedby><cites>FETCH-LOGICAL-c781t-47abaf5259895206880d88ba8b799a78e9a4fcd190d782baa0dc0d00e229e7de3</cites><orcidid>0000-0002-3734-3918</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/30047712$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/30047712$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>230,314,727,780,784,803,885,27924,27925,53791,53793,58017,58250</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/16011924$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink><backlink>$$Uhttps://univ-lyon1.hal.science/hal-02570042$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Von Aderkas, P</creatorcontrib><creatorcontrib>Rouault, G</creatorcontrib><creatorcontrib>Wagner, R</creatorcontrib><creatorcontrib>Rohr, R</creatorcontrib><creatorcontrib>Roques, A</creatorcontrib><title>Seed parasitism redirects ovule development in Douglas fir</title><title>Proceedings of the Royal Society. B, Biological sciences</title><addtitle>PROC R SOC B</addtitle><description>Many parasitic species of insects complete their entire development in seeds. They feed off storage reserves within the ovule. These reserves only normally accumulate in fertilized ovules. Consequently, female insects that oviposit their eggs directly into the plant ovule need to be able to select correctly, as unfertilized ovules of conifers normally become so-called empty seed. We provide clear evidence that in conifers, seed-parasitizing insects do not need to discriminate between fertilized and unfertilized plant ovules when ovipositing their eggs. A host-specific insect, the chalcid Megastigmus spermotrophus Wachtl (Hymenoptera: Torymidae), lays its eggs in ovules of Douglas fir (Pseudotsuga menziesii (Mirbel) Franco) before fertilization has taken place in the plant. Oviposition not only prevents the expected degeneration and death of unfertilized ovules, but it induces energy reserve accumulation. Ovules that would otherwise develop as empty seed are redirected in their development by the insect to provide food for the developing larvae. Instead of the insect exploiting normal events during seed development, the insect manipulates seed development for its own reproductive advantage.</description><subject>Animals</subject><subject>British Columbia</subject><subject>conifers</subject><subject>Female</subject><subject>France</subject><subject>Host-Parasite Interactions</subject><subject>Hymenoptera</subject><subject>Insect development</subject><subject>Insect eggs</subject><subject>Insect larvae</subject><subject>Insect reproduction</subject><subject>Larval development</subject><subject>Life Sciences</subject><subject>Megastigmus</subject><subject>Megastigmus spermotrophus</subject><subject>Ova</subject><subject>Oviposition</subject><subject>Oviposition - physiology</subject><subject>Ovules</subject><subject>Parasitism</subject><subject>parasitoids</subject><subject>plant development</subject><subject>plant-insect relations</subject><subject>Plants</subject><subject>Pseudotsuga</subject><subject>Pseudotsuga - growth & development</subject><subject>Pseudotsuga - parasitology</subject><subject>Pseudotsuga menziesii</subject><subject>Seed Development</subject><subject>Seed Parasite</subject><subject>seeds</subject><subject>Seeds - cytology</subject><subject>Seeds - growth & development</subject><subject>Seeds - parasitology</subject><subject>Symbiosis</subject><subject>Torymidae</subject><subject>Vespidae</subject><subject>Wasps - physiology</subject><issn>0962-8452</issn><issn>1471-2954</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFUs9v0zAUjhCIjcGVG5ATEoeWZyeO7R0QY2MMqRKIsorbk5M4rbu0DnZSKH89blMVCmKcLPt9P957n6PoMYEhASleOt_kQwrAhglk5E50TFJOBlSy9G50DDKjA5EyehQ98H4OAJIJdj86IhkQIml6HJ2OtS7jRjnlTWv8Ina6NE4XrY_tqqt1XOqVrm2z0Ms2Nsv4wnbTWvm4Mu5hdK9StdePdudJdH359vP51WD04d3787PRoOCCtIOUq1xVjDIpJKOQCQGlELkSOZdScaGlSquiJBJKLmiuFJQFlACaUql5qZOT6FWv23T5QpdF6MSpGhtnFsqt0SqDh5WlmeHUrpCw4EllEHjRC8z-oF2djXDzBpRxgJSuSMA-35k5-7XTvsWF8YWua7XUtvOYiQBm9P9AwhkwyTfuwx5YOOu909W-BQK4yRA3GeImQ9xkGAhPf5_3F3wXWgAkPcDZdVi8LYxu1zi3nVuG679lb25jfRp_fLOinBrCOEEQCQFGJMnwh2l2Upyi8b7TuIUcyv_t9qR3m_vWuv0MSVgz54SG-qCvG9_q7_u6cjeY8YQznIgULy5HfEQnX3AS8K93GZrp7Fv4oXgwxta9sMs2fIFto9sWSSoJVl0dUi-rIEFvlbDrxvn8kB1Iz3pSpSyqqTMer8cUSAIEUgiJJD8Bt2MW4g</recordid><startdate>20050722</startdate><enddate>20050722</enddate><creator>Von Aderkas, P</creator><creator>Rouault, G</creator><creator>Wagner, R</creator><creator>Rohr, R</creator><creator>Roques, A</creator><general>The Royal Society</general><general>Royal Society, The</general><scope>FBQ</scope><scope>BSCLL</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>7SN</scope><scope>7SS</scope><scope>C1K</scope><scope>7X8</scope><scope>1XC</scope><scope>5PM</scope><orcidid>https://orcid.org/0000-0002-3734-3918</orcidid></search><sort><creationdate>20050722</creationdate><title>Seed parasitism redirects ovule development in Douglas fir</title><author>Von Aderkas, P ; Rouault, G ; Wagner, R ; Rohr, R ; Roques, A</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c781t-47abaf5259895206880d88ba8b799a78e9a4fcd190d782baa0dc0d00e229e7de3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2005</creationdate><topic>Animals</topic><topic>British Columbia</topic><topic>conifers</topic><topic>Female</topic><topic>France</topic><topic>Host-Parasite Interactions</topic><topic>Hymenoptera</topic><topic>Insect development</topic><topic>Insect eggs</topic><topic>Insect larvae</topic><topic>Insect reproduction</topic><topic>Larval development</topic><topic>Life Sciences</topic><topic>Megastigmus</topic><topic>Megastigmus spermotrophus</topic><topic>Ova</topic><topic>Oviposition</topic><topic>Oviposition - physiology</topic><topic>Ovules</topic><topic>Parasitism</topic><topic>parasitoids</topic><topic>plant development</topic><topic>plant-insect relations</topic><topic>Plants</topic><topic>Pseudotsuga</topic><topic>Pseudotsuga - growth & development</topic><topic>Pseudotsuga - parasitology</topic><topic>Pseudotsuga menziesii</topic><topic>Seed Development</topic><topic>Seed Parasite</topic><topic>seeds</topic><topic>Seeds - cytology</topic><topic>Seeds - growth & development</topic><topic>Seeds - parasitology</topic><topic>Symbiosis</topic><topic>Torymidae</topic><topic>Vespidae</topic><topic>Wasps - physiology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Von Aderkas, P</creatorcontrib><creatorcontrib>Rouault, G</creatorcontrib><creatorcontrib>Wagner, R</creatorcontrib><creatorcontrib>Rohr, R</creatorcontrib><creatorcontrib>Roques, A</creatorcontrib><collection>AGRIS</collection><collection>Istex</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Ecology Abstracts</collection><collection>Entomology Abstracts (Full archive)</collection><collection>Environmental Sciences and Pollution Management</collection><collection>MEDLINE - Academic</collection><collection>Hyper Article en Ligne (HAL)</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Proceedings of the Royal Society. B, Biological sciences</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Von Aderkas, P</au><au>Rouault, G</au><au>Wagner, R</au><au>Rohr, R</au><au>Roques, A</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Seed parasitism redirects ovule development in Douglas fir</atitle><jtitle>Proceedings of the Royal Society. B, Biological sciences</jtitle><addtitle>PROC R SOC B</addtitle><date>2005-07-22</date><risdate>2005</risdate><volume>272</volume><issue>1571</issue><spage>1491</spage><epage>1496</epage><pages>1491-1496</pages><issn>0962-8452</issn><eissn>1471-2954</eissn><abstract>Many parasitic species of insects complete their entire development in seeds. They feed off storage reserves within the ovule. These reserves only normally accumulate in fertilized ovules. Consequently, female insects that oviposit their eggs directly into the plant ovule need to be able to select correctly, as unfertilized ovules of conifers normally become so-called empty seed. We provide clear evidence that in conifers, seed-parasitizing insects do not need to discriminate between fertilized and unfertilized plant ovules when ovipositing their eggs. A host-specific insect, the chalcid Megastigmus spermotrophus Wachtl (Hymenoptera: Torymidae), lays its eggs in ovules of Douglas fir (Pseudotsuga menziesii (Mirbel) Franco) before fertilization has taken place in the plant. Oviposition not only prevents the expected degeneration and death of unfertilized ovules, but it induces energy reserve accumulation. Ovules that would otherwise develop as empty seed are redirected in their development by the insect to provide food for the developing larvae. Instead of the insect exploiting normal events during seed development, the insect manipulates seed development for its own reproductive advantage.</abstract><cop>London</cop><pub>The Royal Society</pub><pmid>16011924</pmid><doi>10.1098/rspb.2005.3061</doi><tpages>6</tpages><orcidid>https://orcid.org/0000-0002-3734-3918</orcidid><oa>free_for_read</oa></addata></record> |
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subjects | Animals British Columbia conifers Female France Host-Parasite Interactions Hymenoptera Insect development Insect eggs Insect larvae Insect reproduction Larval development Life Sciences Megastigmus Megastigmus spermotrophus Ova Oviposition Oviposition - physiology Ovules Parasitism parasitoids plant development plant-insect relations Plants Pseudotsuga Pseudotsuga - growth & development Pseudotsuga - parasitology Pseudotsuga menziesii Seed Development Seed Parasite seeds Seeds - cytology Seeds - growth & development Seeds - parasitology Symbiosis Torymidae Vespidae Wasps - physiology |
title | Seed parasitism redirects ovule development in Douglas fir |
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