Works by Laatsch, Hartmut

Results: 66

Gutingimycin: ein komplexer Metabolit aus einem marinen Streptomyceten ( Marine Bakterien, 26. Mitteilung. Diese Arbeit wurde vom Bundesministerium für Bildung und Forschung (BMBF 03F0346A) unterstützt. R.P.M. dankt dem Deutschen Akademischen Austauschdienst (DAAD) für ein Promotionsstipendium. 25. Mitteilung: R. P. Maskey, E. Helmke, H. Laatsch, J. Antibiot. 2003, 56, 942949. )

Published in:

Angewandte Chemie, 2004, v. 116, n. 10, p. 1301, doi. 10.1002/ange.200352312

By:

Rajendra P. Maskey;
Madhumati Sevvana;
Isabel Usón;
Elisabeth Helmke;
Hartmut Laatsch

Publication type:

Article

Synthesis of a 125I labelled azido-substituted glibenclamide analogue for photoaffinity labelling of the sulfonylurea receptor.

Published in:

Journal of Labelled Compounds & Radiopharmaceuticals, 1994, v. 34, n. 7, p. 675, doi. 10.1002/jlcr.2580340713

By:

Chudziak, Franz;
Schwanstecher, Mathias;
Laatsch, Hartmut;
Panten, Uwe

Publication type:

Article

New Metabolites From the Endophytic Fungus Cercophora samala Associated With Mitragyna inermis.

Published in:

Natural Product Communications, 2021, v. 16, n. 5, p. 1, doi. 10.1177/1934578X211013220

By:

Vouffo, Erik Donfack;
Douanla-Meli, Clovis;
Awantu, Angelbert Fusi;
Lenta, Bruno Ndjakou;
Ngouela, Sylvère;
Tsamo, Etienne;
Laatsch, Hartmut

Publication type:

Article

Boshramycinones A-C: New anthracyclinones produced by a marine-derived Streptomyces sp.: isolation, structure elucidation and biological activities.

Published in:

Natural Product Research, 2021, v. 35, n. 8, p. 1281, doi. 10.1080/14786419.2019.1645658

By:

Shaaban, Khaled A.;
Shaaban, Mohamed;
Meiners, Marinus;
Schüffler, Anja;
Kelter, Gerhard;
Fiebig, Heinz-Herbert;
Laatsch, Hartmut

Publication type:

Article

Isolation, Synthesis And Structure Determination Of Cannabidiol Derivatives And Their Cytotoxic Activities.

Published in:

Natural Product Research, 2021, v. 35, n. 3, p. 471, doi. 10.1080/14786419.2019.1638381

By:

Nalli, Yedukondalu;
Jan, Suraya;
Lauro, Gianluigi;
Ur Rasool, Javeed;
Lone, Waseem I.;
Sarkar, Aminur R.;
Banday, Junaid;
Bifulco, Giuseppe;
Laatsch, Hartmut;
Syed, Sajad H.;
Ali, Asif

Publication type:

Article

Terretonin M: A new meroterpenoid from the thermophilic Aspergillus terreus TM8 and revision of the absolute configuration of penisimplicins.

Published in:

Natural Product Research, 2018, v. 32, n. 20, p. 2437, doi. 10.1080/14786419.2017.1419230

By:

Shaaban, Mohamed;
El-Metwally, Mohammad Magdy;
Abdel-Razek, Ahmed Adel;
Laatsch, Hartmut

Publication type:

Article

Structure elucidation of a new natural diketopiperazine from a Microbispora aerata strain isolated from Livingston Island, Antarctica.

Published in:

Natural Product Research, 2013, v. 27, n. 2, p. 164, doi. 10.1080/14786419.2012.665911

By:

Ivanova, Veneta;
Laatsch, Hartmut;
Kolarova, Mariana;
Aleksieva, Krasja

Publication type:

Article

Cyclo -(His,Leu): A new microbial diketopiperazine from a terrestrial Bacillus subtilis strain B38.

Published in:

Natural Product Research, 2013, v. 27, n. 2, p. 108, doi. 10.1080/14786419.2012.660635

By:

Elkahoui, Salem;
Abdel rahim, Hamdi;
Tabbene, Olfa;
Shaaban, Mohamed;
Limam, Ferid;
Laatsch, Hartmut

Publication type:

Article

New bioactive compounds from Aloe hijazensis.

Published in:

Natural Product Research, 2009, v. 23, n. 11, p. 1035, doi. 10.1080/14786410802242851

By:

Abd-Alla, Howaida I.;
Shaaban, Mohamed;
Shaaban, Khaled A.;
Abu-Gabal, Nagat S.;
Shalaby, Nagwa M.M.;
Laatsch, Hartmut

Publication type:

Article

Crystal structure of trioxacarcin A covalently bound to DNA.

Published in:

Nucleic Acids Research, 2008, v. 36, n. 10, p. 3508, doi. 10.1093/nar/gkn245

By:

Pfoh, Roland;
Laatsch, Hartmut;
Sheldrick, George M.

Publication type:

Article

Sulochrins and alkaloids from a fennel endophyte Aspergillus sp. FVL2.

Published in:

Natural Product Research, 2023, v. 37, n. 8, p. 1310, doi. 10.1080/14786419.2021.2005054

By:

Shaaban, Mohamed;
Abdel-Razek, Ahmed S.;
Previtali, Viola;
Clausen, Mads Hartvig;
Gotfredsen, Charlotte H.;
Laatsch, Hartmut;
Ding, Ling

Publication type:

Article

Evaluation of in vitro and in vivo activity of benzindazole-4,9-quinones against Cryptosporidium parvum.

Published in:

2002

By:

Kayser, Oliver;
Waters, W. Ray;
Woods, Keith M.;
Upton, Steve J.;
Keithly, Janet S.;
Laatsch, Hartmut;
Kiderlen, Albrecht F.

Publication type:

journal article

Longiflorol, a bergenin α-d-apioside from the stem bark of Diospyros longiflora, and its antioxidant activity.

Published in:

Zeitschrift für Naturforschung B: A Journal of Chemical Sciences, 2018, v. 73, n. 8, p. 539, doi. 10.1515/znb-2018-0019

By:

de dieu Dongmo, Jean;
Mvot Akak, Carine;
Feussi Tala, Michel;
Belle Ebanda Kedi, Philippe;
Azebaze, Anatole Guy Blaise;
Vardamides, Juliette Catherine;
Laatsch, Hartmut

Publication type:

Article

A new furan carboxamide and two potential precursors from a terrestrial streptomycete.

Published in:

Zeitschrift für Naturforschung B: A Journal of Chemical Sciences, 2017, v. 72, n. 3, p. 175, doi. 10.1515/znb-2016-0202

By:

Naureen, Humaira;
Tala, Michel Feussi;
Shaaban, Khaled A.;
Shaaban, Mohamed;
Schüffler, Anja;
Laatsch, Hartmut

Publication type:

Article

Structure elucidation and synthesis of hydroxylated isatins from Streptomycetes.

Published in:

Zeitschrift für Naturforschung B: A Journal of Chemical Sciences, 2016, v. 71, n. 12, p. 1191, doi. 10.1515/znb-2016-0143

By:

Shaaban, Khaled A.;
Shaaban, Mohamed;
Nair, Vimal;
Schuhmann, Imelda;
Win, Hnin Yu;
Lei, Lei;
Dittrich, Birger;
Helmke, Elisabeth;
Schüffler, Anja;
Laatsch, Hartmut

Publication type:

Article

Conocarpol, a new cycloartane triterpenoid from Diospyros conocarpa.

Published in:

Zeitschrift für Naturforschung B: A Journal of Chemical Sciences, 2016, v. 71, n. 9, p. 935, doi. 10.1515/znb-2016-0059

By:

Feusso, Hermann Marius Feumo;
Akak, Carine Mvot;
Tala, Michel Feussi;
Azebaze, Anatole Guy Blaise;
Tsabang, Nole;
Vardamides, Juliette Catherine;
Laatsch, Hartmut

Publication type:

Article

New bioactive metabolites from Penicillium purpurogenum MM.

Published in:

Zeitschrift für Naturforschung B: A Journal of Chemical Sciences, 2016, v. 71, n. 4, p. 287, doi. 10.1515/znb-2015-0185

By:

Shaaban, Mohamed;
El-Metwally, Mohammad Magdy;
Laatsch, Hartmut

Publication type:

Article

Salaterpene E, a eudesmane-type sesquiterpene from Salacia longipes var. camerunensis.

Published in:

Zeitschrift für Naturforschung B: A Journal of Chemical Sciences, 2016, v. 71, n. 2, p. 87, doi. 10.1515/znb-2015-0106

By:

Mba'ning, Brice Mittérant;
Ndjakou, Bruno Lenta;
Talontsi, Ferdinand Mouafo;
Lannang, Alain Meli;
Dittrich, Birger;
Ngouela, Silvère Augustin;
Tsamo, Etienne;
Sewald, Norbert;
Laatsch, Hartmut

Publication type:

Article

N-methylphenylalanyl-dehydrobutyrine diketopiperazine, an A-factor mimic that restores antibiotic biosynthesis and morphogenesis in Streptomyces globisporus 1912-B2 and Streptomyces griseus 1439.

Published in:

Journal of Antibiotics, 2015, v. 68, n. 1, p. 9, doi. 10.1038/ja.2014.86

By:

Matselyukh, Bohdan;
Mohammadipanah, Fatemeh;
Laatsch, Hartmut;
Rohr, Jürgen;
Efremenkova, Olga;
Khilya, Volodymyr

Publication type:

Article

Khatmiamycin, a motility inhibitor and zoosporicide against the grapevine downy mildew pathogen Plasmopara viticola from Streptomyces sp. ANK313.

Published in:

Journal of Antibiotics, 2011, v. 64, n. 10, p. 655, doi. 10.1038/ja.2011.68

By:

Abdalla, Muna Ali;
Win, Hnin Yu;
Islam, Md. Tofazzal;
von Tiedemann, Andreas;
Schüffler, Anja;
Laatsch, Hartmut

Publication type:

Article

Glucopiericidin C: a cytotoxic piericidin glucoside antibiotic produced by a marine Streptomyces isolate*.

Published in:

Journal of Antibiotics, 2011, v. 64, n. 2, p. 205, doi. 10.1038/ja.2010.125

By:

Shaaban, Khaled A;
Helmke, Elisabeth;
Kelter, Gerhard;
Fiebig, Heinz Herbert;
Laatsch, Hartmut

Publication type:

Article

Aqabamycins A-G: novel nitro maleimides from a marine Vibrio species. I. Taxonomy, fermentation, isolation and biological activities.

Published in:

Journal of Antibiotics, 2010, v. 63, n. 6, p. 297, doi. 10.1038/ja.2010.34

By:

Al-Zereini, Wael;
Fotso Fondja Yao, Clarisse Blanchine;
Laatsch, Hartmut;
Anke, Heidrun

Publication type:

Article

Aqabamycins A–G: novel nitro maleimides from a marine Vibrio species: II. Structure elucidation*.

Published in:

Journal of Antibiotics, 2010, v. 63, n. 6, p. 303, doi. 10.1038/ja.2010.35

By:

Fotso Fondja Yao, Clarisse Blandine;
Zereini, Wael Al;
Fotso, Serge;
Anke, Heidrun;
Laatsch, Hartmut

Publication type:

Article

A new α-methylanthraquinone glucoside from Emex spinosus.

Published in:

Natural Product Research, 2006, v. 20, n. 8, p. 742, doi. 10.1080/14786410500281789

By:

Hawas, Usama W.;
El-Ansari, Mohamed A.;
Laatsch, Hartmut

Publication type:

Article

An acetoxygenated analogue of ergosterol from a soft coral of the genus Lobophytum.

Published in:

Natural Product Research, 2004, v. 18, n. 6, p. 575, doi. 10.1080/14786410410001704804

By:

Radhika, Parvataneni;
Asolkar, Ratnakar N.;
Laatsch, Hartmut

Publication type:

Article

Inhibitory Effects of Macrotetrolides from Streptomyces spp. On Zoosporogenesis and Motility of Peronosporomycete Zoospores Are Likely Linked with Enhanced ATPase Activity in Mitochondria.

Published in:

Frontiers in Microbiology, 2016, v. 7, p. 1, doi. 10.3389/fmicb.2016.01824

By:

Islam, Md. Tofazzal;
Laatsch, Hartmut;
von Tiedemann, Andreas

Publication type:

Article

Epicoccolides: Antimicrobial and Antifungal Polyketides from an Endophytic Fungus Epicoccum sp. Associated with Theobroma cacao.

Published in:

European Journal of Organic Chemistry, 2013, v. 2013, n. 15, p. 3174, doi. 10.1002/ejoc.201300146

By:

Talontsi, Ferdinand Mouafo;
Dittrich, Birger;
Schüffler, Anja;
Sun, Han;
Laatsch, Hartmut

Publication type:

Article

Nematicidal activity of fervenulin isolated from a nematicidal actinomycete, Streptomyces sp. CMU-MH021, on Meloidogyne incognita.

Published in:

World Journal of Microbiology & Biotechnology, 2011, v. 27, n. 6, p. 1373, doi. 10.1007/s11274-010-0588-z

By:

Ruanpanun, Pornthip;
Laatsch, Hartmut;
Tangchitsomkid, Nuchanart;
Lumyong, Saisamorn

Publication type:

Article

Formation of gutingimycin: analytical investigation of trioxacarcin A-mediated alkylation of dsDNA.

Published in:

Analytical & Bioanalytical Chemistry, 2008, v. 390, n. 4, p. 1139, doi. 10.1007/s00216-007-1737-6

By:

Fitzner, Ansgar;
Frauendorf, Holm;
Laatsch, Hartmut;
Diederichsen, Ulf

Publication type:

Article

“Pseudoalteromonas januaria” SUT 11 as the Source of Rare Lipodepsipeptides.

Published in:

Current Microbiology, 2008, v. 56, n. 3, p. 199, doi. 10.1007/s00284-007-9023-6

By:

Kalinovskaya, Nataliya I.;
Dmitrenok, Andrey S.;
Kuznetsova, Tatyana A.;
Frolova, Galina M.;
Christen, Richard;
Laatsch, Hartmut;
Alexeeva, Yulia V.;
Ivanova, Elena P.

Publication type:

Article

Isolation, Antimicrobial Activity, and Metabolites of Fungus Cladosporium sp. Associated with Red Alga Porphyra yezoensis.

Published in:

Current Microbiology, 2008, v. 56, n. 3, p. 229, doi. 10.1007/s00284-007-9063-y

By:

Ling Ding;
Song Qin;
Fuchao Li;
Xiaoyuan Chi;
Laatsch, Hartmut

Publication type:

Article

Isolation and Identification of Metabolites Produced by Marine Streptomyces sp. S007.

Published in:

Natural Product Research & Development, 2011, v. 23, n. 3, p. 410

By:

ZHANG Hong-yu;
QIN Mei;
LI Fu-chao;
LAATSCH Hartmut;
WANG Hong-peng;
QIN Song

Publication type:

Article

Absolute Configuration of Fusarone, a New Azaphilone from the Endophytic Fungus.

Published in:

Chirality, 2012, v. 24, n. 8, p. 621, doi. 10.1002/chir.22044

By:

Yang, Sheng-Xiang;
Gao, Jin-Ming;
Laatsch, Hartmut;
Tian, Jun-Mian;
Pescitelli, Gennaro

Publication type:

Article

Gutingimycin: A Highly Complex Metabolite from a Marine Streptomycete ( Marine Bacteria, Part 26. This work was supported by the Bundesministerium für Bildung und Forschung (BMBF 03F0346A). R.P.M. thanks the Deutschen Akademischen Austauschdienst (DAAD) for a Ph.D. scholarship. Part 25: R. P. Maskey, E. Helmke, H. Laatsch, J. Antibiot. 2003, 56, 942949. )

Published in:

Angewandte Chemie International Edition, 2004, v. 43, n. 10, p. 1281, doi. 10.1002/anie.200352312

By:

Rajendra P. Maskey;
Madhumati Sevvana;
Isabel Usón;
Elisabeth Helmke;
Hartmut Laatsch

Publication type:

Article

Akashins A, B, and C: Novel Chlorinated Indigoglycosides from Streptomyces sp. GW 48/1497.

Published in:

Angewandte Chemie International Edition, 2002, v. 41, n. 4, p. 597, doi. 10.1002/1521-3773(20020215)41:4<597::AID-ANIE597>3.0.CO;2-Z

By:

Maskey, Rajendra P.;
Grün-Wollny, Iris;
Fiebig, Herbert H.;
Laatsch, Hartmut

Publication type:

Article

Nitro derivatives from the Arctic ice bacterium Salegentibacter sp. isolate T436*.

Published in:

Journal of Antibiotics, 2009, v. 62, n. 8, p. 453, doi. 10.1038/ja.2009.71

By:

Schuhmann, Imelda;
Yao, Clarisse B Fotso-Fondja;
Al-Zereini, Wael;
Anke, Heidrun;
Helmke, Elisabeth;
Laatsch, Hartmut

Publication type:

Article

Electrospray Ionization Mass Spectra of Piperazimycins A and B and γ-Butyrolactones from a Marine-derived Streptomyces sp.†.

Published in:

Journal of Antibiotics, 2008, v. 61, n. 12, p. 736, doi. 10.1038/ja.2008.87

By:

Shaaban, Khaled A;
Shaaban, Mohamed;
Facey, Petrea;
Fotso, Serge;
Frauendorf, Holm;
Helmke, Elisabeth;
Maier, Armin;
Fiebig, Heinz H;
Laatsch, Hartmut

Publication type:

Article

Essramycin: A First Triazolopyrimidine Antibiotic Isolated from Nature†.

Published in:

Journal of Antibiotics, 2008, v. 61, n. 3, p. 149, doi. 10.1038/ja.2008.124

By:

El-Gendy, Mervat M A;
Shaaban, Mohamed;
Shaaban, Khaled A;
El-Bondkly, Ahmed M;
Laatsch, Hartmut

Publication type:

Article

New Aromatic Nitro Compounds from Salegentibacter sp. T436, an Arctic Sea Ice Bacterium: Taxonomy, Fermentation, Isolation and Biological Activities.

Published in:

Journal of Antibiotics, 2007, v. 60, n. 5, p. 301, doi. 10.1038/ja.2007.38

By:

Al-Zereini, Wael;
Schuhmann, Imelda;
Laatsch, Hartmut;
Helmke, Elisabeth;
Anke, Heidrun

Publication type:

Article

Fusaristatins A and B, Two New Cyclic Lipopeptides from an Endophytic Fusarium sp.

Published in:

Journal of Antibiotics, 2007, v. 60, n. 5, p. 309, doi. 10.1038/ja.2007.39

By:

Shiono, Yoshihito;
Tsuchinari, Mio;
Shimanuki, Keiko;
Miyajima, Takeshi;
Murayama, Tetsuya;
Koseki, Takuya;
Laatsch, Hartmut;
Funakoshi, Takayuki;
Takanami, Koji;
Suzuki, Keitarou

Publication type:

Article

Bromoalterochromides A and A′, Unprecedented Chromopeptides from a Marine Pseudoalteromonas maricaloris Strain KMM 636T†.

Published in:

Journal of Antibiotics, 2007, v. 60, n. 1, p. 36, doi. 10.1038/ja.2007.5

By:

Speitling, Michael;
Smetanina, Olga F;
Kuznetsova, Tatyana A;
Laatsch, Hartmut

Publication type:

Article

N-Carboxamido-staurosporine and Selina-4(14),7(11)-diene-8,9-diol, New Metabolites from a Marine Streptomyces sp. †.

Published in:

Journal of Antibiotics, 2006, v. 59, n. 6, p. 331, doi. 10.1038/ja.2006.46

By:

Wu, Shao Jie;
Fotso, Serge;
Li, Fuchao;
Qin, Song;
Kelter, Gerhard;
Fiebig, Heinz H;
Laatsch, Hartmut

Publication type:

Article

Kettapeptin: Isolation, Structure Elucidation and Activity of a New Hexadepsipeptide Antibiotic from a Terrestrial Streptomyces sp.

Published in:

Journal of Antibiotics, 2006, v. 59, n. 5, p. 309, doi. 10.1038/ja.2006.44

By:

Maskey, Rajendra P;
Fotso, Serge;
Sevvana, Madhumati;
Usón, Isabel;
Grün-wollny, Iris;
Laatsch, Hartmut

Publication type:

Article

1-Hydroxy-1-norresistomycin and Resistoflavin Methyl Ether: New Antibiotics from Marine-derived Streptomycetes†, ††.

Published in:

Journal of Antibiotics, 2005, v. 58, n. 8, p. 530, doi. 10.1038/ja.2005.73

By:

Kock, Ines;
Maskey, Rajendra P;
Biabani, M A Farooq;
Helmke, Elisabeth;
Laatsch, Hartmut

Publication type:

Article

Larvicidal activity of metabolites from the endophytic Podospora sp. against the malaria vector Anopheles gambiae.

Published in:

Parasitology Research, 2011, v. 108, n. 3, p. 561, doi. 10.1007/s00436-010-2098-1

By:

Matasyoh, Josphat C.;
Dittrich, Birger;
Schueffler, Anja;
Laatsch, Hartmut

Publication type:

Article

Rubescins F–H, new vilasinin-type limonoids from the leaves of Trichilia rubescens (Meliaceae).

Published in:

Zeitschrift für Naturforschung. Section C: A Journal of Biosciences, 2019, v. 74, n. 7/8, p. 175, doi. 10.1515/znc-2018-0187

By:

Tsamo, Armelle Tontsa;
Pagna, Julio Issah Mawouma;
Nangmo, Pamela Kemda;
Mkounga, Pierre;
Laatsch, Hartmut;
Nkengfack, Augustin Ephrem

Publication type:

Article

Conocurvone-Prototype of a New Class of Anti-HIV Active Compounds?**.

Published in:

Angewandte Chemie International Edition, 1994, v. 33, n. 4, p. 422, doi. 10.1002/anie.199404221

By:

Laatsch, Hartmut

Publication type:

Article

2,2′-(Ethynediyl)bis(4-alkoxy-1-naphthols) and Dinaphthofuro[3,2- b]furans-Substances with Unusual Photoreactivity and Photochromic Behavior.

Published in:

Angewandte Chemie International Edition, 1991, v. 30, n. 7, p. 866, doi. 10.1002/anie.199108661

By:

Schmidt, Andreas Johann;
Laatsch, Hartmut;
Noltemeyer, Mathias

Publication type:

Article

Book Review: Intermediate Organic Chemistry. By J. C. Stowell.

Published in:

Angewandte Chemie International Edition, 1988, v. 27, n. 12, p. 1737, doi. 10.1002/anie.198817372

By:

Laatsch, Hartmut

Publication type:

Article

Biosynthesis of the Marine Antibiotic Pentabromopseudilin. 2. The Pyrrole Ring.

Published in:

Bioscience, Biotechnology & Biochemistry, 2005, v. 69, n. 3, p. 628, doi. 10.1271/bbb.69.628

By:

Peschke, Jorg D.;
Hanefeld, Ulf;
Laatsch, Hartmut

Publication type:

Article