Works by Helmke, Elisabeth

Results: 15

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
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
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
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
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
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
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
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
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

Works by Helmke, Elisabeth

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

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.

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

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

Structure elucidation and synthesis of hydroxylated isatins from Streptomycetes.

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

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.