First report of fatty acid-derived alkaloids produced by species of the ladybird genus Scymnus (Coccinellidae: Coleoptera)
Species in the genus Scymnus Kugelann are common, but there is little information available on their defence compounds. Pupae are covered with setae on tips of which there are small droplets of liquid. This study explored the patterns of the distribution of the droplets and the influence of diet on...
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Académie des sciences
2023-06-01
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| Series: | Comptes Rendus. Chimie |
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| Online Access: | https://comptes-rendus.academie-sciences.fr/chimie/articles/10.5802/crchim.230/ |
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| author | Magro, Alexandra Ramon-Portugal, Felipe Touboul, David Borges, Isabel Hemptinne, Jean-Louis |
| author_facet | Magro, Alexandra Ramon-Portugal, Felipe Touboul, David Borges, Isabel Hemptinne, Jean-Louis |
| author_sort | Magro, Alexandra |
| collection | DOAJ |
| description | Species in the genus Scymnus Kugelann are common, but there is little information available on their defence compounds. Pupae are covered with setae on tips of which there are small droplets of liquid. This study explored the patterns of the distribution of the droplets and the influence of diet on their production in five species of Scymnus. GC-MS analyses were used to determine the chemical identity of droplets.All these species produced droplets, but the patterns in the distributions varied among species. Preliminary data indicates a de novo synthesis of the droplet compounds by these ladybirds. The results of the GC-MS analyses suggest that Scymnus spp. produce azamacrolides, which are fatty acid-derived alkaloids. |
| format | Article |
| id | doaj-art-714e3037ccf54bb2bc4171d507fce571 |
| institution | Kabale University |
| issn | 1878-1543 |
| language | English |
| publishDate | 2023-06-01 |
| publisher | Académie des sciences |
| record_format | Article |
| series | Comptes Rendus. Chimie |
| spelling | doaj-art-714e3037ccf54bb2bc4171d507fce5712025-02-07T13:38:15ZengAcadémie des sciencesComptes Rendus. Chimie1878-15432023-06-0126S216517610.5802/crchim.23010.5802/crchim.230First report of fatty acid-derived alkaloids produced by species of the ladybird genus Scymnus (Coccinellidae: Coleoptera)Magro, Alexandra0https://orcid.org/0000-0002-7043-0845Ramon-Portugal, Felipe1https://orcid.org/0000-0002-9519-9707Touboul, David2https://orcid.org/0000-0003-2751-774XBorges, Isabel3https://orcid.org/0000-0003-1807-0659Hemptinne, Jean-Louis4https://orcid.org/0000-0003-3875-2497ENSFEA, University of Toulouse, 2 rt de Narbonne, Castanet-Tolosan, France; Laboratoire Evolution et Diversité biologique, UMR 5174 CNRS/UPS/IRD, 118 rt de Narbonne Bt 4R1, 31062 Toulouse cedex 9, FranceINTHERES, Université de Toulouse, INRA, ENVT. INTHERES UMR 1436 INRA/ENVT, 23 chemin des Capelles. 31 076 Toulouse, France; Laboratoire Evolution et Diversité biologique, UMR 5174 CNRS/UPS/IRD, 118 rt de Narbonne Bt 4R1, 31062 Toulouse cedex 9, FranceInstitut de Chimie des Substances Naturelles, Université Paris-Saclay, CNRS, UPR 2301, 91198, Gif-sur-Yvette, FrancecE3c/ABG – Centre for Ecology, Evolution and Environmental Changes/Azorean Biodiversity Group and University of the Azores, 9501-801 Ponta Delgada, Azores, PortugalENSFEA, University of Toulouse, 2 rt de Narbonne, Castanet-Tolosan, France; Laboratoire Evolution et Diversité biologique, UMR 5174 CNRS/UPS/IRD, 118 rt de Narbonne Bt 4R1, 31062 Toulouse cedex 9, FranceSpecies in the genus Scymnus Kugelann are common, but there is little information available on their defence compounds. Pupae are covered with setae on tips of which there are small droplets of liquid. This study explored the patterns of the distribution of the droplets and the influence of diet on their production in five species of Scymnus. GC-MS analyses were used to determine the chemical identity of droplets.All these species produced droplets, but the patterns in the distributions varied among species. Preliminary data indicates a de novo synthesis of the droplet compounds by these ladybirds. The results of the GC-MS analyses suggest that Scymnus spp. produce azamacrolides, which are fatty acid-derived alkaloids.https://comptes-rendus.academie-sciences.fr/chimie/articles/10.5802/crchim.230/AzamacrolidesDefensive compoundsPupaeInsectsDietGC-MS |
| spellingShingle | Magro, Alexandra Ramon-Portugal, Felipe Touboul, David Borges, Isabel Hemptinne, Jean-Louis First report of fatty acid-derived alkaloids produced by species of the ladybird genus Scymnus (Coccinellidae: Coleoptera) Comptes Rendus. Chimie Azamacrolides Defensive compounds Pupae Insects Diet GC-MS |
| title | First report of fatty acid-derived alkaloids produced by species of the ladybird genus Scymnus (Coccinellidae: Coleoptera) |
| title_full | First report of fatty acid-derived alkaloids produced by species of the ladybird genus Scymnus (Coccinellidae: Coleoptera) |
| title_fullStr | First report of fatty acid-derived alkaloids produced by species of the ladybird genus Scymnus (Coccinellidae: Coleoptera) |
| title_full_unstemmed | First report of fatty acid-derived alkaloids produced by species of the ladybird genus Scymnus (Coccinellidae: Coleoptera) |
| title_short | First report of fatty acid-derived alkaloids produced by species of the ladybird genus Scymnus (Coccinellidae: Coleoptera) |
| title_sort | first report of fatty acid derived alkaloids produced by species of the ladybird genus scymnus coccinellidae coleoptera |
| topic | Azamacrolides Defensive compounds Pupae Insects Diet GC-MS |
| url | https://comptes-rendus.academie-sciences.fr/chimie/articles/10.5802/crchim.230/ |
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