Academic literature on the topic 'Stigmatelline'

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Journal articles on the topic "Stigmatelline"

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Hauska, Günter, Edelgard Herold, Claudia Huber, Wolfgang Nitschke, and Danuse Sofrova. "Stigmatellin Affects Both Hemes of Cytochrome b in Cytochrome b6f/bc1-Complexes." Zeitschrift für Naturforschung C 44, no. 5-6 (1989): 462–67. http://dx.doi.org/10.1515/znc-1989-5-620.

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Abstract Stigmatellin causes spectral changes of both hemes of cytochrome b or b6 in cytochrome bc1/b6f-complexes. It also affects the redox potentials of all three hemes, including cytochrome c l and f, in addition to the dramatic rise of the redox potential it exerts on the Rieske FeS-center. We conclude that stigmatellin changes the overall conformation of the complexes.
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Yadav, J. S., G. Revathi, and B. V. Subba Reddy. "Formal total synthesis of stigmatellin A." Tetrahedron Letters 58, no. 42 (2017): 3943–46. http://dx.doi.org/10.1016/j.tetlet.2017.08.048.

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Infante-Rodriguez, Carolina, Lisianne Domon, Pascal Breuilles, and Daniel Uguen. "Asymmetric Synthesis of Stigmatellin and Crocacin C." Bulletin of the Chemical Society of Japan 88, no. 2 (2015): 308–26. http://dx.doi.org/10.1246/bcsj.20140271.

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Enders, Dieter, Gunter Geibel, and Simon Osborne. "Diastereo- and Enantioselective Total Synthesis of Stigmatellin A." Chemistry - A European Journal 6, no. 8 (2000): 1302–9. http://dx.doi.org/10.1002/(sici)1521-3765(20000417)6:8<1302::aid-chem1302>3.0.co;2-j.

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Oettmeier, Walter, Doris Godde, Brigitte Kunze, and Gerhard Höfle. "Stigmatellin. A dual type inhibitor of photosynthetic electron transport." Biochimica et Biophysica Acta (BBA) - Bioenergetics 807, no. 2 (1985): 216–19. http://dx.doi.org/10.1016/0005-2728(85)90125-2.

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Covian, Raul, Thomas Kleinschroth, Bernd Ludwig, and Bernard L. Trumpower. "Asymmetric Binding of Stigmatellin to the DimericParacoccus denitrificans bc1Complex." Journal of Biological Chemistry 282, no. 31 (2007): 22289–97. http://dx.doi.org/10.1074/jbc.m702132200.

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Infante-Rodriguez, Carolina, Lisianne Domon, Pascal Breuilles, and Daniel Uguen. "ChemInform Abstract: Asymmetric Synthesis of Stigmatellin and Crocacin C." ChemInform 46, no. 29 (2015): no. http://dx.doi.org/10.1002/chin.201529254.

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Ouchane, Soufian, Ileana Agalidis, and Chantal Astier. "Natural Resistance to Inhibitors of the Ubiquinol Cytochrome c Oxidoreductase of Rubrivivax gelatinosus: Sequence and Functional Analysis of the Cytochrome bc1 Complex." Journal of Bacteriology 184, no. 14 (2002): 3815–22. http://dx.doi.org/10.1128/jb.184.14.3815-3822.2002.

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ABSTRACT Biochemical analyses of Rubrivivax gelatinosus membranes have revealed that the cytochrome bc 1 complex is highly resistant to classical inhibitors including myxothiazol, stigmatellin, and antimycin. This is the first report of a strain exhibiting resistance to inhibitors of both catalytic Q0 and Qi sites. Because the resistance to cytochrome bc 1 inhibitors is primarily related to the cytochrome b primary structure, the petABC operon encoding the subunits of the cytochrome bc 1 complex of Rubrivivax gelatinosus was sequenced. In addition to homologies to the corresponding proteins fr
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Belyaeva, Elena A., Tatyana V. Sokolova, Larisa V. Emelyanova, and Irina O. Zakharova. "Mitochondrial Electron Transport Chain in Heavy Metal-Induced Neurotoxicity: Effects of Cadmium, Mercury, and Copper." Scientific World Journal 2012 (2012): 1–14. http://dx.doi.org/10.1100/2012/136063.

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To clarify the role of mitochondrial electron transport chain (mtETC) in heavy-metal-induced neurotoxicity, we studied action of Cd2+, Hg2+, and Cu2+on cell viability, intracellular reactive oxygen species formation, respiratory function, and mitochondrial membrane potential of rat cell line PC12. As found, the metals produced, although in a different way, dose- and time-dependent changes of all these parameters. Importantly, Cd2+beginning from 10 [mu]M and already at short incubation time (3 h) significantly inhibited the FCCP-uncoupled cell respiration; besides, practically the complete inhi
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Oettmeier, Walter, and Silvana Preuße. "Herbicide and Quinone Binding to Chromatophores and Reaction Centers from Rhodobacter sphaeroides." Zeitschrift für Naturforschung C 42, no. 6 (1987): 690–92. http://dx.doi.org/10.1515/znc-1987-0607.

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Besides s-triazine and triazinone herbicides the chromone stigmatellin and tetrahalogen-substituted 1.4-benzoquinones are inhibitors of photosynthetic electron flow from reduced cytochrome c to ubiquinone-6 in isolated bacterial reaction centers. With isolated bacterial chromatophores binding experiments with radiolabeled herbicides can be performed in a similar way as with thylakoids from higher plants. Tetrahalogen-substituted 1.4-benzoquinones in a Michael type reaction can add onto nucleophilic groups in proteins. In bacterial reaction centers, a [14C]tetra- bromo-1.4-benzoquinone (bromani
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Dissertations / Theses on the topic "Stigmatelline"

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DOMON, LISIANNE. "Synthese d'un derive o-benzyle de la stigmatelline." Université Louis Pasteur (Strasbourg) (1971-2008), 1999. http://www.theses.fr/1999STR13022.

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Ce memoire decrit la synthese de la stigmatelline qui est un compose naturel antifongique. Aucune synthese de ce compose n'a ete decrite a ce jour. La strategie de synthese qui a ete mise en oeuvre est basee, essentiellement, sur l'utilisation : i) de l'acide gallique, qui est un compose extremement bon marche et naturellement abondant, pour generer la partie heterocyclique ; ii) d'un triol de symetrie meso, facilement accessible par condensation, selon reformatski, de 2-bromopropionate d'ethyle avec le formiate de methyle, qui conduit par desymetrisation enzymatique a un synthon comportant tr
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Infante-Rodriguez, Carolina Uguen Daniel. "Synthèse asymétrique, et confirmation de structure, de la stigmatelline et de la crocacine C." Strasbourg : Université de Strasbourg, 2009. http://eprints-scd-ulp.u-strasbg.fr:8080/1078/01/INFANTE_RODRIGUEZ_Carolina_restr_2009.pdf.

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Infante-Rodriguez, Carolina. "Synthèse asymétrique, et confirmation de structure, de la stigmatelline et de la crocacine C." Strasbourg, 2009. http://www.theses.fr/2009STRA6001.

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La stigmatelline et la crocacine C sont deux molécules isolées de cultures de myxobactéries. Elles présentent toutes les deux la propriété d’inhiber le processus de transfert d’électrons au niveau du complexe bc1 des cytochromes de cellules eucaryotes. Ces composés ont déjà été synthétisées. Cependant, aucune analyse RX de ces deux molécules ou d’intermédiaires clés de leur synthèse n’avaient jusqu’alors été réalisées. Ce mémoire décrit les synthèses totales de la stigmatelline et de la crocacine C au départ d’un intermédiaire commun dont la configuration absolue a été établie de façon indiscu
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VOGELEISEN-MUTTERER, VOGELEISEN FREDERIQUE. "Utilisation d'elements de la triade propionique en synthese asymetrique de la pristinamycine et de la stigmatelline." Université Louis Pasteur (Strasbourg) (1971-2008), 1996. http://www.theses.fr/1996STR13005.

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Beaucoup de composes antibiotiques de type macrolide possedent une structure comportant une ou plusieurs unites 2,4-dimethyl-pentaniques hydroxylees en 3, appelees elements de la stereotriade. Une synthese tres commode de ces elements a ete realisee par une simple condensation de type reformatsky de 2-bromopropionate d'ethyle et de formiate d'ethyle, suivie d'une cristallisation fractionnee et d'une reduction en triols correspondants (2,4-dimethyl-1,3,5-pentanetriols). L'acetylation enzymatique des triols de stereochimie meso permet alors d'obtenir de grandes quantites de chirons utilisables e
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Gaitatzis, Nikolaos [Verfasser]. "Neuartige modulare Megasynthasen aus Myxobakterien : die Stigmatellin- und Myxochelin-Biosynthese in Stigmatella aurantiaca / von Nikolaos Gaitatzis." 2005. http://d-nb.info/974473383/34.

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Book chapters on the topic "Stigmatelline"

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Giangiacomo, Kathleen M., Dan E. Robertson, M. R. Gunner, and P. Leslie Dutton. "Stigmatellin and Other Electron Transfer Inhibitors as Probes for the QB Binding Site in the Reaction Center of Photosynthetic Bacteria." In Progress in Photosynthesis Research. Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-3535-8_98.

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