Works by Helmke, Elisabeth

Results: 15

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

Isolation and characterization of marine psychrophilic phage-host systems from Arctic sea ice.

Published in:

Extremophiles, 2003, v. 7, n. 5, p. 377, doi. 10.1007/s00792-003-0334-7

By:

Borriss, Michael;
Helmke, Elisabeth;
Hanschke, Renate;
Schweder, Thomas

Publication type:

Article

Cloning, expression, and characterization of a chitinase gene from the Antarctic psychrotolerant bacterium Vibrio sp. strain Fi:7.

Published in:

Extremophiles, 2001, v. 5, n. 2, p. 119, doi. 10.1007/s007920100179

By:

Bendt, Anne;
Hüller, Heike;
Kammel, Ulrike;
Helmke, Elisabeth;
Schweder, Thomas

Publication type:

Article

Cloning of two pectate lyase genes from the marine Antarctic bacterium Pseudoalteromonas haloplanktis strain ANT/505 and characterization of the enzymes.

Published in:

Extremophiles, 2001, v. 5, n. 1, p. 35, doi. 10.1007/s007920000170

By:

Van Truong, Le;
Tuyen, Ho;
Helmke, Elisabeth;
Binh, Le Tran;
Schweder, Thomas

Publication type:

Article

Explosive volcanism on the ultraslow-spreading Gakkel ridge, Arctic Ocean.

Published in:

Nature, 2008, v. 453, n. 7199, p. 1236, doi. 10.1038/nature07075

By:

Sohn, Robert A.;
Willis, Claire;
Humphris, Susan;
Shank, Timothy M.;
Singh, Hanumant;
Edmonds, Henrietta N.;
Kunz, Clayton;
Hedman, Ulf;
Helmke, Elisabeth;
Jakuba, Michael;
Liljebladh, Bengt;
Linder, Julia;
Murphy, Christopher;
Nakamura, Ko-ichi;
Sato, Taichi;
Schlindwein, Vera;
Stranne, Christian;
Tausenfreund, Maria;
Upchurch, Lucia;
Winsor, Peter

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

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

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

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

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

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

Volatile Organic Compounds from Arctic Bacteria of the Cytophaga-Flavobacterium-Bacteroides Group: A Retrobiosynthetic Approach in Chemotaxonomic Investigations.

Published in:

Chemistry & Biodiversity, 2005, v. 2, n. 3, p. 318, doi. 10.1002/cbdv.200590014

By:

Dickschat, Jeroen S.;
Helmke, Elisabeth;
Schulz, Stefan

Publication type:

Article

Predominance of β-proteobacteria in summer melt pools on Arctic pack ice.

Published in:

Limnology & Oceanography, 2004, v. 49, n. 4, p. 1013, doi. 10.4319/lo.2004.49.4.1013

By:

Brinkmeyer, Robin;
Glöckner, Frank-Oliver;
Helmke, Elisabeth;
Amann, Rudolf

Publication type:

Article

Symbiotic Relations of Sediment-Agglutinating Nematodes and Bacteria in Detrital Habitats: The Enzyme-Sharing Concept.

Published in:

Marine Ecology, 2002, v. 23, n. 2, p. 93, doi. 10.1046/j.1439-0485.2002.02765.x

By:

Riemann, Franz;
Helmke, Elisabeth

Publication type:

Article

Works by Helmke, Elisabeth

Isolation and characterization of marine psychrophilic phage-host systems from Arctic sea ice.

Cloning, expression, and characterization of a chitinase gene from the Antarctic psychrotolerant bacterium Vibrio sp. strain Fi:7.

Cloning of two pectate lyase genes from the marine Antarctic bacterium Pseudoalteromonas haloplanktis strain ANT/505 and characterization of the enzymes.

Explosive volcanism on the ultraslow-spreading Gakkel ridge, Arctic Ocean.

Structure elucidation and synthesis of hydroxylated isatins from Streptomycetes.

Glucopiericidin C: a cytotoxic piericidin glucoside antibiotic produced by a marine Streptomyces isolate<sup>*</sup>.

Nitro derivatives from the Arctic ice bacterium Salegentibacter sp. isolate T436<sup>*</sup>.

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

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

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

Volatile Organic Compounds from Arctic Bacteria of the Cytophaga-Flavobacterium-Bacteroides Group: A Retrobiosynthetic Approach in Chemotaxonomic Investigations.

Predominance of β-proteobacteria in summer melt pools on Arctic pack ice.

Symbiotic Relations of Sediment-Agglutinating Nematodes and Bacteria in Detrital Habitats: The Enzyme-Sharing Concept.