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Page 1
Sulfated Metabolites of Flavonolignans and 2,3-Dehydroflavonolignans: Preparation and Properties.
Valentová K, Purchartová K, Rydlová L, Roubalová L, Biedermann D, Petrásková L, Křenková A, Pelantová H, Holečková-Moravcová V, Tesařová E, Cvačka J, Vrba J, Ulrichová J, Křen V. Valentová K, et al. Int J Mol Sci. 2018 Aug 9;19(8):2349. doi: 10.3390/ijms19082349. Int J Mol Sci. 2018. PMID: 30096957 Free PMC article.
Sulfated flavonolignans were prepared using aryl sulfotransferase from Desulfitobacterium hafniense and p-nitrophenyl sulfate as a sulfate donor and characterized by high-resolution mass spectrometry (HRMS) and nuclear magnetic resonance (NMR). Their 1,1-diphenyl-2-picrylh …
Sulfated flavonolignans were prepared using aryl sulfotransferase from Desulfitobacterium hafniense and p-nitrophenyl sulfate as a su …
Nuclear phosphatidylinositol 4,5-bisphosphate islets contribute to efficient RNA polymerase II-dependent transcription.
Sobol M, Krausová A, Yildirim S, Kalasová I, Fáberová V, Vrkoslav V, Philimonenko V, Marášek P, Pastorek L, Čapek M, Lubovská Z, Uličná L, Tsuji T, Lísa M, Cvačka J, Fujimoto T, Hozak P. Sobol M, et al. J Cell Sci. 2018 Apr 13;131(8):jcs211094. doi: 10.1242/jcs.211094. J Cell Sci. 2018. PMID: 29507116
The NLI periphery is associated with Pol II transcription machinery, including the largest Pol II subunit, transcription factors and NM1 (also known as NMI). The PtdIns(4,5)P(2)-NM1 interaction is important for Pol II transcription, since NM1 knockdown reduces the Pol II t …
The NLI periphery is associated with Pol II transcription machinery, including the largest Pol II subunit, transcription factors and NM1 (al …
Sulfated Metabolites of Luteolin, Myricetin, and Ampelopsin: Chemoenzymatic Preparation and Biophysical Properties.
Káňová K, Petrásková L, Pelantová H, Rybková Z, Malachová K, Cvačka J, Křen V, Valentová K. Káňová K, et al. J Agric Food Chem. 2020 Oct 7;68(40):11197-11206. doi: 10.1021/acs.jafc.0c03997. Epub 2020 Sep 23. J Agric Food Chem. 2020. PMID: 32910657
The compounds were tested for their ability to scavenge 1,1-diphenyl-2-picrylhydrazyl, 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulphonic acid), and N,N-dimethyl-p-phenylenediamine radicals, to reduce ferric ions and Folin-Ciocalteu reagent, and to inhibit tert-butyl hydrop …
The compounds were tested for their ability to scavenge 1,1-diphenyl-2-picrylhydrazyl, 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulphonic aci …
Chemoenzymatic Preparation and Biophysical Properties of Sulfated Quercetin Metabolites.
Valentová K, Káňová K, Di Meo F, Pelantová H, Chambers CS, Rydlová L, Petrásková L, Křenková A, Cvačka J, Trouillas P, Křen V. Valentová K, et al. Int J Mol Sci. 2017 Oct 25;18(11):2231. doi: 10.3390/ijms18112231. Int J Mol Sci. 2017. PMID: 29068411 Free PMC article.
Purified monosulfates and disulfates were fully characterized using MS and NMR and tested for their 1,1-diphenyl-2-picrylhydrazyl (DPPH), 2,2'-azinobis-(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS+) and N,N-dimethyl-p-phenylenediamine (DMPD) radical scavenging, Folin-Cio …
Purified monosulfates and disulfates were fully characterized using MS and NMR and tested for their 1,1-diphenyl-2-picrylhydrazyl (DPPH), 2, …
Assessment of Chemical Impact of Invasive Bryozoan Pectinatella magnifica on the Environment: Cytotoxicity and Antimicrobial Activity of P. magnifica Extracts.
Kollar P, Šmejkal K, Salmonová H, Vlková E, Lepšová-Skácelová O, Balounová Z, Rajchard J, Cvačka J, Jaša L, Babica P, Pazourek J. Kollar P, et al. Molecules. 2016 Nov 4;21(11):1476. doi: 10.3390/molecules21111476. Molecules. 2016. PMID: 27827926 Free PMC article.
Toxicity of Pectinatella extracts could be partially caused by presence of Aeromonas species in material, since we found members of these genera as most abundant bacteria associated with P. magnifica. Furthermore, P. magnifica seems to be a promising source of certa …
Toxicity of Pectinatella extracts could be partially caused by presence of Aeromonas species in material, since we found members of these ge …
Nitroalkenes and sesquiterpene hydrocarbons from the frontal gland of three prorhinotermes termite species.
Piskorski R, Hanus R, Vasícková S, Cvacka J, Sobotník J, Svatos A, Valterová I. Piskorski R, et al. J Chem Ecol. 2007 Sep;33(9):1787-94. doi: 10.1007/s10886-007-9341-y. Epub 2007 Jul 31. J Chem Ecol. 2007. PMID: 17665266
Analysis by gas chromatography-mass spectrometry revealed (E)-1-nitropentadec-1-ene as the major component of the glands with mean values of 152, 207, and 293 microg/individual for P. canalifrons, P. inopinatus, and P. simplex, respectively. Four other 1-nitr …
Analysis by gas chromatography-mass spectrometry revealed (E)-1-nitropentadec-1-ene as the major component of the glands with mean values of …
Access to cationic polyhedral carboranes via dynamic cage surgery with N-heterocyclic carbenes.
Vrána J, Holub J, Samsonov MA, Růžičková Z, Cvačka J, McKee ML, Fanfrlík J, Hnyk D, Růžička A. Vrána J, et al. Nat Commun. 2021 Aug 17;12(1):4971. doi: 10.1038/s41467-021-25277-0. Nat Commun. 2021. PMID: 34404809 Free PMC article.
The reaction of a 10-vertex nido mono-carbene adduct with phosphorus trichloride gives nido-11-vertex 2-phospha-7,8-dicarbaundecaborane, which undergoes an oxidation of the phosphorus atom to P = O, while the product of a bis-carbene adduct reaction is best described as a …
The reaction of a 10-vertex nido mono-carbene adduct with phosphorus trichloride gives nido-11-vertex 2-phospha-7,8-dicarbaundecaborane, whi …
(E,E)-alpha-farnesene, an alarm pheromone of the termite Prorhinotermes canalifrons.
Sobotník J, Hanus R, Kalinová B, Piskorski R, Cvacka J, Bourguignon T, Roisin Y. Sobotník J, et al. J Chem Ecol. 2008 Apr;34(4):478-86. doi: 10.1007/s10886-008-9450-2. Epub 2008 Apr 2. J Chem Ecol. 2008. PMID: 18386097
Behavioral experiments showed that both the frontal gland secretion and (E,E)-alpha-farnesene triggered alarm reactions in P. canalifrons, whereas (E)-1-nitropentadec-1-ene did not affect the behavior of termite groups. ...Our data confirm (E,E)-alpha-farnesene as an alarm …
Behavioral experiments showed that both the frontal gland secretion and (E,E)-alpha-farnesene triggered alarm reactions in P. canalif …
Cytotoxic activity of C-geranyl compounds from Paulownia tomentosa fruits.
Smejkal K, Babula P, Slapetová T, Brognara E, Dall'acqua S, Zemlicka M, Innocenti G, Cvacka J. Smejkal K, et al. Planta Med. 2008 Oct;74(12):1488-91. doi: 10.1055/s-2008-1081339. Epub 2008 Aug 26. Planta Med. 2008. PMID: 18729043
The other phytoconstituents ( 2 - 8) previously isolated from P. TOMENTOSA were similarly evaluated together with the known flavanones 10 and 11. ...
The other phytoconstituents ( 2 - 8) previously isolated from P. TOMENTOSA were similarly evaluated together with the known flavanone …
22 results