Academic literature on the topic 'Calothrixin'
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Journal articles on the topic "Calothrixin"
Owen, Elisabeth A., and Max A. Keniry. "Exploring the Binding of Calothrixin A to the G-Quadruplex from the c-myc Oncogene Promotor." Australian Journal of Chemistry 62, no. 11 (2009): 1544. http://dx.doi.org/10.1071/ch09169.
Full textGuingant, André, Drissa Sissouma, and Sylvain Collet. "A Synthesis of Calothrixin B." Synlett 2004, no. 14 (October 20, 2004): 2612–14. http://dx.doi.org/10.1055/s-2004-834831.
Full textKaliyaperumal, Srinivasan A., Shyamapada Banerjee, and Syam Kumar U. K. "Palladium mediated intramolecular multiple C–X/C–H cross coupling and C–H activation: synthesis of carbazole alkaloids calothrixin B and murrayaquinone A." Org. Biomol. Chem. 12, no. 32 (2014): 6105–13. http://dx.doi.org/10.1039/c4ob00493k.
Full textRamkumar, Nagarajan, and Rajagopal Nagarajan. "Total synthesis of calothrixin B via sequential Sonogashira coupling/copper-catalyzed oxidative cyclization." Organic & Biomolecular Chemistry 13, no. 45 (2015): 11046–51. http://dx.doi.org/10.1039/c5ob01766a.
Full textSperry, Jonathan, Christopher S. P. McErlean, Alexandra M. Z. Slawin, and Christopher J. Moody. "A biomimetic synthesis of calothrixin B." Tetrahedron Letters 48, no. 2 (January 2007): 231–34. http://dx.doi.org/10.1016/j.tetlet.2006.11.053.
Full textChai, Christina, Paul Bernardo, and Wuri Fitriyanto. "Palladium-Mediated Synthesis of Calothrixin B." Synlett 2007, no. 12 (July 2007): 1935–39. http://dx.doi.org/10.1055/s-2007-984520.
Full textRamkumar, Nagarajan, and Rajagopal Nagarajan. "Formal total synthesis of calothrixin B and its N-benzyl analogues." RSC Advances 5, no. 107 (2015): 87838–40. http://dx.doi.org/10.1039/c5ra18120h.
Full textBhosale, Shrikar M., Rupesh L. Gawade, Vedavati G. Puranik, and Radhika S. Kusurkar. "An efficient total synthesis of calothrixin B." Tetrahedron Letters 53, no. 23 (June 2012): 2894–96. http://dx.doi.org/10.1016/j.tetlet.2012.03.131.
Full textSissouma, Drissa, Lucie Maingot, Sylvain Collet, and André Guingant. "Concise and Efficient Synthesis of Calothrixin B." Journal of Organic Chemistry 71, no. 22 (October 2006): 8384–89. http://dx.doi.org/10.1021/jo061270o.
Full textBernardo, Paul H., Christina L. L. Chai, and John A. Elix. "A simple and concise route to calothrixin B." Tetrahedron Letters 43, no. 16 (April 2002): 2939–40. http://dx.doi.org/10.1016/s0040-4039(02)00434-3.
Full textDissertations / Theses on the topic "Calothrixin"
Islam, M. D. Rafiqul. "Nitrogen fixation by a Bangladesh deepwater rice-field Calothrix." Thesis, Durham University, 1990. http://etheses.dur.ac.uk/6180/.
Full textQuest, Benjamin. "Biochemische und Spektroskopische Charakterisierung zweier cyanobakterieller Phytochrome aus Calothrix PCC 7601." Diss., lmu, 2003. http://nbn-resolving.de/urn:nbn:de:bvb:19-9357.
Full textMaingot, Lucie. "Synthèses et modifications de calothrixines et de C-glycosylangucyclinones en vue d'évaluations biologiques." Nantes, 2008. http://www.theses.fr/2008NANT2010.
Full textIn a first part, we were interested in angucyclines which represent a large group of natural antibiotics. The structure of these compounds is characterized by an angular tetracyclic benz[a] anthracene skeleton and a C-arylglycoside. In this work, we were interested in most cases in the preparation of C-naphtylglycosides precursor of juglones. We develop a strategy consisting in building the glycoside part using an inverse electron demand heterocycloaddition in order to access to ‘‘prosugar’’ dihydropyranes. In a second part, we were interested in calothrixins. Calothrixine B and his N-oxyde derivative (calothrixine A) are natural products isolated from the cell extracts of Calothrix cyanobacteria which exhibit interesting biological activities. A new synthesis of calothrixin B inspired by recent results acquired in the field of angucyclines aza-analogues syntheses was considered. Our strategy consists in an hetero-Diels-Alder reaction between a bromocarbazole-1,4-dione and an 2-aza-1,3-diene. Moreover, this strategy allowed us to obtain a new analogue of calothrixin : isocalothrixin
SCHYNS, GHISLAIN. "Reconnaissance specifique de promoteurs chez la cyanobacterie calothrix pcc 7601 : arn polymerase et effecteurs." Paris 7, 1995. http://www.theses.fr/1995PA077254.
Full textLIOTENBERG, SYLVIANE. "Relations entre l'assimilation de l'azote et la photosynthese chez les cyanobacteries du genre calothrix." Paris 7, 1995. http://www.theses.fr/1995PA077226.
Full textSOBCZYK, ANDRE. "Caracterisation d'effecteurs transcriptionnels impliques dans la regulation de l'adaptation chromatique complementaire chez la cyanobacterie calothrix pcc7601." Paris 7, 1994. http://www.theses.fr/1994PA077093.
Full textKone, Aboudramane. "Récentes avancées dans la synthèse de topopyrones et de calothrixines synthèse et évaluation biologique de molécules de type benzimidazolyl-chalcone." Thesis, Nantes, 2018. http://www.theses.fr/2018NANT4039/document.
Full textThis work aims is the synthesis and evaluation of bioactive molecules that can effectively contribute to fight against some infectious germs and the cancer. The first component consists of the synthesis of naturally occurring compounds, topopyrones and calothrixins. With regard to the topopyrones, five heterodienes were synthesized and their reactivities were studied, compared with a naphthoquinone-type dienophile following a Diels-Alder [4+2] cycloaddition reaction. This led to the construction of a tetracyclic skeleton close to topopyrones. As for calothrixins, we explored two new pathways that resulted in the synthesis of calothrixin B and an bromine analogue. In the second part, based on the pharmacochemical concept of juxtaposition of bioactive entities, we conceptualized and synthesized twelve benzimidazolyl-chalcones and one chromenone. The molecules thus obtained were evaluated for their anticancer activities against seven human cancer cell lines and a normal fibroblast line of human skin. These compounds showed good anticancer activities regardless of the line. These activities are superior to those of Roscovitine but lower than those of Taxol. However, the synthesized molecules were less toxic than that of the Taxol reference molecule
JIA, LIN. "Adaptation de la cyanobacterie calothrix pcc 7601 a son environnement, caracterisation de deux elements de regulation : rcaa et cyaa." Paris 7, 1996. http://www.theses.fr/1996PA077224.
Full textKendall, Shana. "Effects of Aerial Exposure on Preservation of Low-Temperature Calothrix Biosignatures in Silica Sinter from Queen's Laundry, Yellowstone National Park, USA." PDXScholar, 2015. https://pdxscholar.library.pdx.edu/open_access_etds/2537.
Full textNoubir, Sanaâ. "Adaptation de la cyanobacterie calothrix pcc 7601 a son environnement : caracterisation de rcad, un effecteur de la transcription implique dans la regulation de l'adaptation chromatique complementaire." Paris 11, 2000. http://www.theses.fr/2000PA112389.
Full textBook chapters on the topic "Calothrixin"
Pentecost, Allan. "Growth and Calcification of Calothrix — Dominated Oncolites from Northern England." In Origin, Evolution, and Modern Aspects of Biomineralization in Plants and Animals, 443–54. Boston, MA: Springer US, 1989. http://dx.doi.org/10.1007/978-1-4757-6114-6_35.
Full textKahn, Katherine, Didier Mazel, Jean Houmard, Nicole Tandeau de Marsac, and Michael R. Schaefer. "Tn5469 Mutagenesis of Chromatic Adaptation Genes in Calothrix sp. strain PCC 7601." In Photosynthesis: from Light to Biosphere, 2393–96. Dordrecht: Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-009-0173-5_563.
Full textMatthijs, Hans C. P., Jeroen H. Geerdink, Hans Balke, Andrea Haker, Hendrik Schubert, Luuc R. Mur, and Klaas J. Hellingwerf. "Sensing of Green Light in Complementary Chromatic Adaptation of the Cyanobacterium Calothrix sp." In The Phototrophic Prokaryotes, 187–94. Boston, MA: Springer US, 1999. http://dx.doi.org/10.1007/978-1-4615-4827-0_22.
Full textKahn, Katherine, Roxanne P. Nieder, and Michael R. Schaefer. "RpbA Functions in Transcriptional Control of the Constitutive Phycocyanin Gene Set in Calothrix sp. PCC 7601." In The Phototrophic Prokaryotes, 77–82. Boston, MA: Springer US, 1999. http://dx.doi.org/10.1007/978-1-4615-4827-0_9.
Full textDe Marsac, Nicole Tandeau, Didier Mazel, Thierry Damerval, Gérard Guglielmi, Véronique Capuano, and Jean Houmard. "Photoregulation of gene expression in the filamentous cyanobacterium Calothrix sp. PCC 7601: light-harvesting complexes and cell differentiation." In Molecular Biology of Photosynthesis, 195–228. Dordrecht: Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-009-2269-3_10.
Full textMatthijs, Hans C. P., Hans Balke, Udo M. van Hes, and Luuc R. Mur. "Application of Light-Emitting Diodes (Led’s) in Algal Culture: In Culture Light Harvesting Efficiency of the Green Alga Chlorella and the Cyanobacterium Calothrix." In Photosynthesis: Mechanisms and Effects, 4129–34. Dordrecht: Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-011-3953-3_958.
Full textConference papers on the topic "Calothrixin"
Singh, Tripti, Su Xu, Sadanandan Velu, and Santosh K. Katiyar. "Abstract 5386: Calothrixin A, a metabolite fromCalothrixcyanobacteria, inhibits class I histone deacetylases leading to suppression of cell growth and induction of apoptosis in human melanoma cells." In Proceedings: AACR 106th Annual Meeting 2015; April 18-22, 2015; Philadelphia, PA. American Association for Cancer Research, 2015. http://dx.doi.org/10.1158/1538-7445.am2015-5386.
Full textReports on the topic "Calothrixin"
Kendall, Shana. Effects of Aerial Exposure on Preservation of Low-Temperature Calothrix Biosignatures in Silica Sinter from Queen's Laundry, Yellowstone National Park, USA. Portland State University Library, January 2000. http://dx.doi.org/10.15760/etd.2534.
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