Relevant bibliographies by topics / Juvenile hormone biosynthesis

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Juvenile hormone biosynthesis'

Author: Grafiati
Published: 4 June 2021
Last updated: 19 February 2022

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Journal articles on the topic "Juvenile hormone biosynthesis"

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Couche, G. A., C. Gillott, S. S. Tobe, and R. Feyereisen. "Juvenile hormone biosynthesis during sexual maturation and after mating in the adult male migratory grasshopper, Melanoplus sanguinipes." Canadian Journal of Zoology 63, no. 12 (1985): 2789–92. http://dx.doi.org/10.1139/z85-417.

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Juvenile hormone III is the exclusive juvenile hormone produced by the corpora allata in adult male Melanoplus sanguinipes. For the first 5 days after adult emergence, the rate of juvenile hormone biosynthesis is low, it then increases rapidly to peak on day 7. Between days 7 and 12 the rate declines to that of newly emerged males and then increases again in 14-day insects. In males allowed a single mating on day 7, the rate of juvenile hormone biosynthesis remains elevated at least to day 12.
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Chiang, A. S., W. Y. Lin, H. P. Liu, et al. "Insect NMDA receptors mediate juvenile hormone biosynthesis." Proceedings of the National Academy of Sciences 99, no. 1 (2002): 37–42. http://dx.doi.org/10.1073/pnas.012318899.

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NORIEGA, F., J. RIBEIRO, J. KOENER, et al. "Comparative genomics of insect juvenile hormone biosynthesis☆." Insect Biochemistry and Molecular Biology 36, no. 4 (2006): 366–74. http://dx.doi.org/10.1016/j.ibmb.2006.01.013.

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Liu, Suning, Kang Li, Yue Gao, et al. "Antagonistic actions of juvenile hormone and 20-hydroxyecdysone within the ring gland determine developmental transitions in Drosophila." Proceedings of the National Academy of Sciences 115, no. 1 (2017): 139–44. http://dx.doi.org/10.1073/pnas.1716897115.

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In both vertebrates and insects, developmental transition from the juvenile stage to adulthood is regulated by steroid hormones. In insects, the steroid hormone, 20-hydroxyecdysone (20E), elicits metamorphosis, thus promoting this transition, while the sesquiterpenoid juvenile hormone (JH) antagonizes 20E signaling to prevent precocious metamorphosis during the larval stages. However, not much is known about the mechanisms involved in cross-talk between these two hormones. In this study, we discovered that in the ring gland (RG) of Drosophila larvae, JH and 20E control each other’s biosynthesis. JH induces expression of a Krüppel-like transcription factor gene Kr-h1 in the prothoracic gland (PG), a portion of the RG that produces the 20E precursor ecdysone. By reducing both steroidogenesis autoregulation and PG size, high levels of Kr-h1 in the PG inhibit ecdysteriod biosynthesis, thus maintaining juvenile status. JH biosynthesis is prevented by 20E in the corpus allatum, the other portion of the RG that produces JH, to ensure the occurrence of metamorphosis. Hence, antagonistic actions of JH and 20E within the RG determine developmental transitions in Drosophila. Our study proposes a mechanism of cross-talk between the two major hormones in the regulation of insect metamorphosis.
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Hoffmann, Klaus Hubert, Matthias Walther Lorenz, and Paul Max Klein. "Ovarian Control of Juvenile Hormone-III Biosynthesis in the Cricket Species Gryllus bimaculatus (Ensifera: Gryllidae)." Entomologia Generalis 20, no. 3 (1996): 157–67. http://dx.doi.org/10.1127/entom.gen/20/1996/157.

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Bloch, Guy, David W. Borst, Zhi-Yong Huang, Gene E. Robinson, Jonathan Cnaani, and Abraham Hefetz. "Juvenile hormone titers, juvenile hormone biosynthesis, ovarian development and social environment in Bombus terrestris." Journal of Insect Physiology 46, no. 1 (2000): 47–57. http://dx.doi.org/10.1016/s0022-1910(99)00101-8.

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LARRERE, MYRIAM, LUCIEN LAVENSEAU, JEAN NOËL TASEI, and FRANCK COUILLAUD. "Juvenile hormone biosynthesis and diapause termination inBombus terrestris." Invertebrate Reproduction & Development 23, no. 1 (1993): 7–14. http://dx.doi.org/10.1080/07924259.1993.9672288.

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Horseman, G., R. Hartmann, M. Virant-Doberlet, W. Loher, and F. Huber. "Nervous control of juvenile hormone biosynthesis in Locusta migratoria." Proceedings of the National Academy of Sciences 91, no. 8 (1994): 2960–64. http://dx.doi.org/10.1073/pnas.91.8.2960.

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Brent, C., and A. Dolezal. "Radiochemical Assay of Juvenile Hormone Biosynthesis Rate in Ants." Cold Spring Harbor Protocols 2009, no. 7 (2009): pdb.prot5248. http://dx.doi.org/10.1101/pdb.prot5248.

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Ferenz, Hans-Jörg, and Elke Aden. "Kontrolle der Juvenilhormon-Biosynthese durch das Ovar bei Locusta migratoria (Orthoptera): Acrididae)." Entomologia Generalis 18, no. 1-2 (1993): 9–17. http://dx.doi.org/10.1127/entom.gen/18/1993/9.

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Dissertations / Theses on the topic "Juvenile hormone biosynthesis"

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Ferenz, Hans-Jörg, and Martin G. Peter. "The inhibitory effect of sinefungin on juvenile hormone biosynthesis and development in locusts." Universität Potsdam, 1987. http://opus.kobv.de/ubp/volltexte/2008/1681/.

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The antibiotic fungal metabolite sinefungin is a potent inhibitor of S-adenosylmethionine-acceptor methyltransferases. Its effect on insect metabolism and especially on corpora allata farnesoic acid methyltransferase, which catalyzes the penultimate step of juvenile hormone biosynthesis, was investigated in Locusta migratoria. Injection of sinefungin results in a delay of imaginal molt and in suppression of ovary development. Isolated corpora allata are unable to synthesize juvenile hormone III in the presence of more than 1.0 mM sinefungin. In a cell-free system containing the S-adenosylmethionine-dependent farnesoic acid methyltransferase from corpora allata sinefungin is a competitive inhibitor of the synthesis of methylfarnesoate with Ki of 1 μM.
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Bede, Jacqueline C. "Insect juvenile hormone III in the sedge, Cyperius iria L, distribution, biosynthesis and possible biological function(s)." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape2/PQDD_0027/NQ50023.pdf.

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Kappler, Christine. "Caracterisation de trois hydroxylases intervenant dans la biosynthese de l'ecdysone chez les insectes." Université Louis Pasteur (Strasbourg) (1971-2008), 1988. http://www.theses.fr/1988STR13055.

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Etude sur 3 systemes enzymatiques des etapes finales de la biosynthese de l'ecdysone : la 2,22,25-tridesoxyecdysone c-25 hydroxylase, la 2,22-didesoxyecdysone c-22 hydroxylase et la 2-desoxyecdysone c-2 hydroxylase. La plupart des tissus de l. M. Peuvent realiser l'hydroxylation, et ceci des les stades precoces de l'embryogenese, mais seuls les tissus ecdysiosynthetiques (glandes prothoraciques, cellules follicilaires) possedent une voie preferentielle. La c-2 hydroxylase est mitochondriale et se caracterise comme une monooxygenase a cytochrome p-450. La c-22 hydroxylase est essentiellement mitochondriale, la c-25 hydroxylase est microsomale
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Nyati, Pratik. "Characterization of Juvenile Hormone Biosynthetic Enzymes in the Mosquito, Aedes aegypti." FIU Digital Commons, 2014. http://digitalcommons.fiu.edu/etd/1688.

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The juvenile hormones (JHs) are sesquiterpenoid compounds that play a central role in insect reproduction, development and behavior. They are synthesized and secreted by a pair of small endocrine glands, the corpora allata (CA), which are intimately connected to the brain. The enzymes involved in the biosynthesis of JH are attractive targets for the control of mosquito populations. This dissertation is a comprehensive functional study of five Aedes aegypti CA enzymes, HMG-CoA synthase (AaHMGS), mevalonate kinase (AaMK), phosphomevalonate kinase (AaPMK), farnesyl diphosphate synthase (AaFPPS) and farnesyl pyrophosphate phosphatase (AaFPPase). The enzyme AaHMGS catalyzes the condensation of acetoacetyl-CoA and acetyl-CoA to produce HMG-CoA. The enzyme does not require any co-factor, although its activity is enhanced by addition of Mg2+. The enzyme AaMK is a class I mevalonate kinase that catalyzes the ATP-dependent phosphorylation of mevalonic acid to form mevalonate 5-phosphate. Activity of AaMK is inhibited by isoprenoids. The enzyme AaPMK catalyzes the cation-dependent reversible reaction of phosphomevalonate and ATP to form diphosphate mevalonate and ADP. The enzyme AaFPPS catalyzes the condensation of isopentenyl diphosphate (IPP) and dimethylallyl pyrophosphate (DMAPP) to form geranyl diphosphate (GPP) and farnesyl pyrophosphate (FPP). The enzyme AaFPPS shows an unusual product regulation mechanism, with chain length final product of 10 or 15 C depending on the metal cofactor present. The enzymes AaFPPase-1 and AaFPPase-2 efficiently hydrolyze FPP into farnesol, although RNAi experiments demonstrate that only AaFPPase-1 is involved in the catalysis of FPP into FOL in the CA of A. aegypti. This dissertation also explored the inhibition of the activity of some of the JH biosynthesis enzymes as tools for insect control. We described the effect of N-acetyl-S-geranylgeranyl-L-cysteine as a potent inhibitor of AaFPPase 1 and AaFPPase-2. In addition, inhibitors of AaMK and AaHMGS were also investigated using purified recombinant proteins. The present study provides an important contribution to the characterization of recombinant proteins, the analysis of enzyme kinetics and inhibition constants, as well as the understanding of the importance of these five enzymes in the control of JH biosynthesis rates.
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Burtenshaw, Sally M. "Characterization of Farnesoic Acid O-Methyltransferase (FAMeT) and Juvenile Hormone Acid Methyltransferase (JHAMT) in relation to Drosophila melanogaster Juvenile Hormone Biosynthesis." Thesis, 2007. http://hdl.handle.net/1974/851.

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Juvenile hormones (JHs) are key regulators of both metamorphosis and adult reproductive processes. The role of two key enzymes in the biosynthetic pathway of JH were examined: Farnesoic Acid O-Methyltransferase (FAMeT) and Juvenile Hormone Acid Methyltransferase (JHAMT). In crustaceans, FAMeT has been found to methylate farnesoic acid (FA), producing methyl farnesoate (MF) prior to epoxidation at the penultimate stage of JH biosynthesis. JHAMT was discovered more recently in the silkworm Bombyx mori and converts epoxidated FA (JHacids) to active JH through methylation using S-adenosyl-L-methionine (SAM). The aim of the proposed research is to examine the influence of a) decreasing the amount of FAMeT produced using an enhancer trapping P-element and b) increasing the levels of JHAMT and FAMeT in specific tissues using GAL4 overexpression techniques. Immunohistochemical analysis was used to confirm the presence of FAMeT in the CA of D. melanogaster ring glands. Analysis of MF, JHIII and JHB3 release in wild type and mutant stocks in the presence and absence of Drome AST (PISCF-type) suggest that Drosophila FAMeT has little if any effect on the sesquiterpenoid biosynthesis. Drome-AST appears to have a select effect on JHB3 biosynthesis and not MF or JHIII. Analysis of JHB3 release from larval and adult flies ubiquitously overexpressing JHAMT showed a significant increase when compared to wildtype (p<0.01 and p<0.0001 respectively). No significant difference was seen in JHB3 release in flies ubiquitously overexpressing FAMeT. A significant increase in hatching success was seen in flies overexpressing FAMeT in the larval ring gland and oocytes (p<0.05) whereas no significant decrease was seen in JHAMT-overexpressing flies during development. A significant extension of lifespan was also seen when FAMeT was overexpressed in the border and follicle cells of the oocyte (p<0.0001). The direct role of JHAMT in JHB3 synthesis has been demonstrated. The involvement of FAMeT and JHAMT in development and longevity may require other interacting proteins to elicit an effect, which is a limiting factor in overexpression experiments of the two enzymes. Additionally, this is the first example of AST action within D. melanogaster.<br>Thesis (Master, Biology) -- Queen's University, 2007-09-27 20:08:23.69
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Billy, Don Xaine. "Juvenile hormone bisepoxide (JHB3) biosynthesis, and its modulation in Drosophila melanogaster and Sarcophaga bullata." 2006. http://link.library.utoronto.ca/eir/EIRdetail.cfm?Resources__ID=442225&T=F.

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Liu, Mei-Ann. "Development and evaluation of an in vitro radiochemical assay for juvenile hormone biosynthesis in the black blowfly, Phormia regina (Meigen)." 1985. https://scholarworks.umass.edu/theses/3046.

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Books on the topic "Juvenile hormone biosynthesis"

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Dale, John Frederick. Juvenile hormone biosynthesis and phase polymorphism in adult female "Schistocherea gregaria" and "Locusta migratorea". 1988.

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Billy, Don Xaine. Juvenile hormone bisepoxide (JHB3) biosynthesis, and its modulation in Drosophila melanogaster and Sarcophaga bullata. 2006.

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Aucoin, Richard Robert. The role of cyclic AMP and calcium on the regulation of juvenile hormone biosynthesis in "Diploptera punctata". 1987.

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Bede, Jacqueline Cyra. Insect juvenile hormone III in the sedge, Cyperus iria L.: Distribution, biosynthesis and possible biological function(s). 2000.

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Book chapters on the topic "Juvenile hormone biosynthesis"

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Yin, C. M., B. X. Zou, and J. G. Stoffolano. "Precocene II Suppresses the Biosynthesis of Juvenile Hormone, Ecdysteroids and Vitellogenin in the Black Blowfly, Phormia Regina Meigen." In Insect Neurochemistry and Neurophysiology · 1989 ·. Humana Press, 1990. http://dx.doi.org/10.1007/978-1-4612-4512-4_47.

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Edwards, J. P., J. Chambers, J. E. Short, et al. "Endogenous Juvenile Hormone III Titres and In Vitro Rates of Hormone Biosynthesis by Corpora Allata During the Reproductive Cycle of Adult Female Periplaneta Americana." In Chromatography and Isolation of Insect Hormones and Pheromones. Springer US, 1990. http://dx.doi.org/10.1007/978-1-4684-8062-7_1.

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Cusson, Michel, Stephanie E. Sen, and Tetsuro Shinoda. "Juvenile Hormone Biosynthetic Enzymes as Targets for Insecticide Discovery." In Advanced Technologies for Managing Insect Pests. Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-94-007-4497-4_3.

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Sen, Stephanie, Sara Jull, and Rebecca Whelchel. "Juvenile Hormone Biosynthesis." In Encyclopedia of Hormones. Elsevier, 2003. http://dx.doi.org/10.1016/b0-12-341103-3/00186-8.

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Hiruma, Kiyoshi, and Yu Kaneko. "Hormonal Regulation of Insect Metamorphosis with Special Reference to Juvenile Hormone Biosynthesis." In Current Topics in Developmental Biology. Elsevier, 2013. http://dx.doi.org/10.1016/b978-0-12-385979-2.00003-4.

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Feyereisen, R. "[35] Radiochemical assay for juvenile hormone III biosynthesis in Vitro." In Methods in Enzymology. Elsevier, 1985. http://dx.doi.org/10.1016/s0076-6879(85)11037-2.

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"Chapter 2Future Perspectives for Research on the Biosynthesis of Juvenile Hormones and Related Sesquiterpenoids in Arthropod Endocrinology and Ecotoxicology." In Juvenile Hormones and Juvenoids. CRC Press, 2013. http://dx.doi.org/10.1201/b14899-6.

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Hui, Jerome, William Bendena, and Stephen Tobe. "Future Perspectives for Research on the Biosynthesis of Juvenile Hormones and Related Sesquiterpenoids in Arthropod Endocrinology and Ecotoxicology." In QSAR in Environmental and Health Sciences. CRC Press, 2013. http://dx.doi.org/10.1201/b14899-3.

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Conference papers on the topic "Juvenile hormone biosynthesis"

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Homma, Yuri. "BmorPlip, a novel candidate gene involved in juvenile hormone biosynthesis inBombyx mori." In 2016 International Congress of Entomology. Entomological Society of America, 2016. http://dx.doi.org/10.1603/ice.2016.110627.

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