| | 1 | Author
| KlausH. Hoffmann, Edeltraud Thiry, Rene Lafont | Requires cookie* | | | Title
| 4-Deoxyecdysteroids in an Insect ( Gryllus bimaculatus)  | | | | Abstract
| Following injection or ingestion o f [3H]ecdysone and [3 H]20-hydroxyecdysone, respectively, considerable quantities of 14-deoxyecdysteroids could be extracted from gut and faeces of female adult crickets. The compounds were identified as 14-deoxyecdysone and 14-deoxy-20-hydroxyecdysone on the basis o f comigration with reference substances in two H P L C systems and by its mass spectrum (only 14-deoxy-20-hydroxyecdysone). The 14-dehydroxylation is most probably caused by bacteria from the gut lumen. Feeding of [3 H]ecdysone resulted in the appearance of labelled 14-deoxyecdysone also in ovaries, fat body, muscles, and rest of the body. | | | |
Reference
| Z. Naturforsch. 45c, 703—708 (1990); received January 3 1990 | | | |
Published
| 1990 | | | |
Keywords
| Crickets, Ecdysone Metabolism, 14-Dehydroxylation, Intestinal Flora | | | |
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| | | | | TEI-XML for
| default:Reihe_C/45/ZNC-1990-45c-0703.pdf | | | | Identifier
| ZNC-1990-45c-0703 | | | | Volume
| 45 | |
| 2 | Author
| Judith Lorenz, Margit Lenz, KlausH. Hoffmann | Requires cookie* | | | Title
| Effects of Pharmacological Agents on Ecdysteroid Synthesis in vitro in Ovaries and Abdominal Integument from Female Adult Crickets, Gryllus bimaculatus de Geer (Ensifera, Gryllidae) | | | | Abstract
| In fem ale adults of G ryllus bimaculatus, ovaries as well as the abdominal integument pro duce free and conjugated ecdysteroids in vitro (Hoffmann et al., 1992). The aim of the current study was to determine the influence of various potential ecdysteroid biosynthesis effectors (RH 5849, KK 42, diflubenzuron, ketoconazole, azadirachtin, acetylenic and allenic | | | |
Reference
| Z. Naturforsch. 50c, 286 (1995); received October 14 1994/February 2 1995 | | | |
Published
| 1995 | | | |
Keywords
| Crickets, Ecdysteroid Biosynthesis, Ecdysteroid Agonist, Antiecdysteroid, Cycloheximide | | | |
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| default:Reihe_C/50/ZNC-1995-50c-0286.pdf | | | | Identifier
| ZNC-1995-50c-0286 | | | | Volume
| 50 | |
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