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  • 1
    Online Resource
    Online Resource
    Advances in the Biology of Phototrophic Bacteria (2021)
    Basel, Switzerland : MDPI - Multidisciplinary Digital Publishing Institute
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    UID:
    gbv_1794549161
    Format: 1 Online-Ressource (274 p.)
    ISBN: 9783036522692 , 9783036522708
    Content: The application of genomic, transcriptomic, and proteomic analyses brings new dimensions to our understanding of the biology of phototrophic bacteria. Comparing gene sequences of photosynthetic reaction center proteins and a key enzyme of bacteriochlorophyll biosynthesis from more than 150 genomes demonstrates the ancient roots of phototrophic bacteria. The presence and phylogeny of biosynthetic pathways of the compatible solutes ectoine and glycine betaine define groups of marine and halophilic phototrophic bacteria. The wide range of ecological niches conquered during evolution is demonstrated by the adaptation of cyanobacterial genera Scytonema, Tolypothrix, and Nostoc to different temperature ranges and the adaptation of Heliorestis species to alkaline habitats. Differences between phototrophic purple bacteria from marine and freshwater habitats are reflected in the preference for sulfidic and non-sulfidic niches. Also, a high proportion of siderophore producers was found among isolates from freshwater sources opposed to those from salty habitats . The primary colonization of carbonate rocks by a group of novel endolithic cyanobacteria and the following successions were studied over 9 months. The genomic characterization of the aerobic Dinoroseobacter strain AAP5, the strictly anaerobic and syntrophic Prosthecochloris ethylica, and the strictly anaerobic Heliorestis convoluta is reported. Significant differences in relation to oxygen are reflected in oxygen production by some species, oxygen tolerance over a wide range of concentrations, and the use of oxygen for energy generation or a strictly anaerobic lifestyle. Relations to oxygen are highlighted in papers on photooxidative stress, regulation of iron–sulfur cluster formation, and interactions of redox regulators. In situ metatranscriptomic and proteomic studies demonstrate the high metabolic flexibility of Chloroflexus aggregans in a hot spring microbial mat and show its adaptation to the changing conditions over day and night periods by a well-coordinated regulation of key metabolic processes for both phototrophic and chemotrophic growth
    Note: English
    Language: English
    URL: kostenfrei
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    Stabi Berlin
    UB Potsdam
  • 2
    Article
    Article
    Methane- and ammonia-oxidizing bacteria at the chemocline of Lake Kinneret (Israel) / (2010)
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    UID:
    kobvindex_IGB000018241
    In: Aquatic microbial ecology. - 58(2010)3, S. 241-248
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    Article
    IGB Berlin get availability status
  • 3
    Online Resource
    Online Resource
    Advances in the biology of phototrophic bacteria (2021)
    Basel : MDPI
    Details
    UID:
    b3kat_BV048580909
    Format: 1 Online-Ressource (VII, 264 Seiten) , Illustrationen, Diagramme
    ISBN: 9783036522708
    Note: Printed edition of the special issue published in Microorganisms
    Additional Edition: Erscheint auch als Druck-Ausgabe ISBN 978-3-0365-2269-2
    Language: English
    Keywords: Mikrobiologie ; Bakterien ; Aufsatzsammlung
    DOI: 10.3390/books978-3-0365-2270-8
    URL: Volltext  (kostenfrei)
    URL: Volltext  (kostenfrei)
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    Fulltext
    Fulltext
    EUV Frankfurt
  • 4
    Online Resource
    Online Resource
    Recommended standards for the description of new species of anoxygenic phototrophic bacteria (2004)
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    UID:
    gbv_59286717X
    ISSN: 1466-5026
    Content: Recommended standards for the description of new species of the anoxygenic phototrophic bacteria are proposed in accordance with Recommendation 30b of the International Code of Nomenclature of Bacteria. These standards include information on the natural habitat, ecology and phenotypic properties including morphology, physiology and pigments and on genetic information and nucleic acid data. The recommended standards were supported by the Subcommittee on the taxonomy of phototrophic bacteria of the International Committee on Systematics of Prokaryotes. They are considered as guidelines for authors to prepare descriptions of new species.
    In: International journal of systematic and evolutionary microbiology, Reading : SGM, 2000, 54(2004), 4, Seite 1415-1421, 1466-5026
    In: volume:54
    In: year:2004
    In: number:4
    In: pages:1415-1421
    Language: English
    DOI: 10.1099/ijs.0.03002-0
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  • 5
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    Online Resource
    Gombapyrones, new alpha-pyrone metabolites produced by Streptomyces griseoruber Acta 3662 (2009)
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    UID:
    gbv_611696827
    Format: Ill., graph. Darst
    ISSN: 1881-1469
    Content: Gombapyrones AD, new members of the alpha-pyrone family of secondary metabolites, were produced by Streptomyces griseoruber Acta 3662, which was isolated from bamboo tree rhizosphere. The strain was characterized by its morphological and chemotaxonomical features and by 16S rDNA sequencing as S. griseobuber. The gombapyrone structures were determined by mass spectrometry and by NMR experiments, and were found to have an inhibitory activity against protein tyrosine phosphatase 1B and glycogen synthase kinase 3beta.
    In: Journal of antibiotics, London [u.a.] : Nature Publ. Group, 1968, 62(2009), 8, Seite 445-452, 1881-1469
    In: volume:62
    In: year:2009
    In: number:8
    In: pages:445-452
    Language: English
    DOI: 10.1038/ja.2009.70
    URL: Volltext
    Author information: Zinecker, Heidi 1967-
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  • 6
    Online Resource
    Online Resource
    Linear and cyclic peptides from the entomopathogenic bacterium Xenorhabdus nematophilus (2008)
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    UID:
    gbv_571794785
    ISSN: 0163-3864
    Content: Three new peptides, xenortides A and B and xenematide, were isolated from a culture of the nematode-associated entomopathogenic bacterium Xenorhabdus nematophilus. Their structures were elucidated using NMR, MS, and chemical derivatization methods. Xenortides A and B are the N-phenethylamide and tryptamide derivatives, respectively, of the dipeptide (NMe-L-Leu-NMe-L-Phe). The cyclodepsipeptide xenematide has the sequence (Thr-Trp-Trp-Gly), with a 2-phenylacetamide substituent at the threonine residue and one D-tryptophan. The new peptides and the two known compounds xenocoumacin II and nematophin were tested for antibacterial, antifungal, insecticidal, and anti-Artemia salina activities. Xenematide and xenocoumacin II showed moderate antibacterial activities. Xenocoumacin II, nematophin, and the two xenortides were active in the Artemia salina assay, and xenematide acted weakly insecticidal.
    In: Journal of natural products, Washington, DC : American Chemical Society, 1979, 71(2008), 6, Seite 1074-1077, 0163-3864
    In: volume:71
    In: year:2008
    In: number:6
    In: pages:1074-1077
    Language: English
    DOI: 10.1021/np800053n
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  • 7
    Online Resource
    Online Resource
    Scopularides A and B, Cyclodepsipeptides from a marine sponge-derived fungus, Scopulariopsis brevicaulis (2008)
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    UID:
    gbv_571797873
    ISSN: 0163-3864
    Content: Two novel cyclodepsipeptides, scopularides A and B, were found in the fungus Scopulariopsis brevicaulis, which was isolated from the marine sponge Tethya aurantium. In addition, the known fungal metabolite paxilline was identified. The structures of the scopularides were elucidated by NMR, MS, and chemical derivatization methods as cyclo-(3-hydroxy-4-methyldecanoyl-Gly-L-Val-D-Leu-L-Ala-L-Phe) and cyclo-(3-hydroxy-4-methyloctanoyl-Gly-L-Val-D-Leu-L-Ala-L-Phe) for scopularide A and B, respectively. Antibiotic activity against Gram-negative bacteria was absent and against Gram-positive bacteria was weak, but activity against several tumor cell lines was significant at 10 [my]g/mL.
    In: Journal of natural products, Washington, DC : American Chemical Society, 1979, 71(2008), 6, Seite 1052-1054, 0163-3864
    In: volume:71
    In: year:2008
    In: number:6
    In: pages:1052-1054
    Language: English
    DOI: 10.1021/np070580e
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  • 8
    Online Resource
    Online Resource
    Subinhibitory concentrations of antibiotics induce phenazine production in a marine Streptomyces sp. (2008)
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    Details
    UID:
    gbv_57276152X
    ISSN: 0163-3864
    Content: Subinhibitory concentrations of antibiotics were found to enhance and modulate the production of new phenazines, streptophenazines A-H, in a marine Streptomyces isolate. The streptophenazines differ in length and substitution of an alkyl chain. The pattern of metabolites formed depends on the antibiotic used. In the presence of tetracycline, streptophenazines F and G were induced and the production of streptophenazines A-D was increased. When using bacitracin, mainly streptophenazine H was produced. Streptophenazines C and H showed moderate activity against Bacillus subtilis, while streptophenazine C was also active against Staphylococcus lentus.
    In: Journal of natural products, Washington, DC : American Chemical Society, 1979, 71(2008), 5, Seite 824-827, 0163-3864
    In: volume:71
    In: year:2008
    In: number:5
    In: pages:824-827
    Language: English
    DOI: 10.1021/np800032a
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  • 9
    Online Resource
    Online Resource
    Amphritea atlantica gen. nov., sp. nov., a gammaproteobacterium from the Logatchev hydrothermal vent field (2008)
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    Details
    UID:
    gbv_578028999
    Format: graph. Darst
    ISSN: 1466-5026
    In: International journal of systematic and evolutionary microbiology, Reading : SGM, 2000, 58(2008), 1, Seite 34-39, 1466-5026
    In: volume:58
    In: year:2008
    In: number:1
    In: pages:34-39
    Language: English
    DOI: 10.1099/ijs.0.65234-0
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  • 10
    Online Resource
    Online Resource
    Thiocapsa marina sp. nov., a novel, okenone-containing, purple sulfur bacterium isolated from brackish coastal and marine environments (2004)
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    Details
    UID:
    gbv_592866572
    Format: graph. Darst
    ISSN: 1466-5026
    In: International journal of systematic and evolutionary microbiology, Reading : SGM, 2000, 54(2004), 4, Seite 1031-1036, 1466-5026
    In: volume:54
    In: year:2004
    In: number:4
    In: pages:1031-1036
    Language: English
    DOI: 10.1099/ijs.0.02964-0
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