Archiv für Mikrobiologie

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Development of a fluorophore-ribosomal DNA restriction typing method for monitoring structural shifts of microbial communities
Archiv für Mikrobiologie - Tập 193 - Trang 341-350 - 2011
Tingting Wang, Xiaojun Zhang, Menghui Zhang, Linghua Wang, Liping Zhao
DNA restriction fragment polymorphism technologies such as amplified ribosomal DNA restriction analysis (ARDRA) and terminal restriction fragment length polymorphism (T-RFLP) have been widely used in investigating microbial community structures. However, these methods are limited due to either the low resolution or sensitivity. In this study, a fluorophore-ribosomal DNA restriction typing (f-DRT) ...... hiện toàn bộ
Nickel dependence of factor F430 content in Methanobacterium thermoautotrophicum
Archiv für Mikrobiologie - Tập 127 - Trang 273-277 - 1980
Gabriele Diekert, Barbara Weber, Rudolf K. Thauer
Factor F430 is a yellow compound of unknown structure present in methanogenic bacteria. It has recently been shown to contain nickel. In this communication the influence of the nickel concentration in the growth medium on the factor F430 content of Methanobacterium thermoautotrophicum and on the nickel content of factor F430 was studied. It was found: (1) The content of factor F430 in the cells wa...... hiện toàn bộ
Surface signaling: novel transcription initiation mechanism starting from the cell surface
Archiv für Mikrobiologie - Tập 167 Số 6 - Trang 325-331 - 1997
Volkmar Braun
Heterogeneity of lipoteichoic acid detected by anion exchange chromatography
Archiv für Mikrobiologie - Tập 157 - Trang 446-450 - 1992
Klaus Leopold, Werner Fischer
A complex polydispersity became apparent when the poly(glycerophosphate) lipoteichoic acid of Enterococcus faecalis was chromatographed on DEAE-sephadex. The chain length varied between 13 and 33 glycerophosphate residues per lipid anchor. In parallel, the extent of chain glycosylation increased from 0.2 to 0.4 diglucosyl residues per glycerophosphate unit. Substitution with D-alanine ester showed...... hiện toàn bộ
Fluoroacetamide resistance mutations in Chlamydomonas reinhardtii
Archiv für Mikrobiologie - Tập 148 - Trang 8-13 - 1987
R. C. Hodson, P. M. Gresshoff
Acetamide, a nitrogen and carbon source for Chlamydomonas reinhardtii, is hydrolyzed by acetamidase to ammonium and acetate. It also induces urea pathway activities. Fluoroacetamide (F-acetamide) is toxic to wild-type through conversion to F-citrate, a respiratory inhibitor. Resistant mutants were selected on plates of F-acetamide plus urea. When tested on acetamide plates two mutant classes were ...... hiện toàn bộ
Thermococcus waiotapuensis sp. nov., an extremely thermophilic archaeon isolated from a freshwater hot spring
Archiv für Mikrobiologie - Tập 172 - Trang 95-101 - 1999
Juan M. González, D. Sheckells, Mareike Viebahn, Donara Krupatkina, Kimberly M. Borges, F. T. Robb
An extremely thermophilic, sulfur-dependent archaeon, strain WT1, was isolated from a freshwater hot spring in the Lake Taupo area of North Island, New Zealand. The cells are flagellated, strictly anaerobic cocci that grow optimally at 85 °C and 5.4 g NaCl l–1. The strain grows heterotrophically on complex proteinaceous substrates or on appropriate salts plus amino acid mixtures and is also able ...... hiện toàn bộ
Bakterielles Wachstum bei geringen Substratkonzentrationen
Archiv für Mikrobiologie - Tập 45 - Trang 323-342 - 1963
Holger W. Jannasch
Die theoretische Beziehung zwischen Populationsdichte, Wachstumsrate und der Konzentration des wachstumsbegrenzenden Substrates (Lactat) wurde in Chemostat-Kulturen von Spirillum serpens und Spirillum spec. überprüft. Sobald die Konzentration des begrenzenden Substrates im zulaufenden Medium einen bestimmten Wert unterschritt, wurde die Population ausgewaschen. Diese Schwellenkonzentration des Sub...... hiện toàn bộ
Inhibitory effects of Lactobacillus fermentum on microbial growth and biofilm formation
Archiv für Mikrobiologie - - 2015
Оксана Владимировна Рыбальченко, В М Бондаренко, Ольга Геннадьевна Орлова, Alexander G. Markov, Salah Amasheh
Photochemical oxygen evolution by Chlorella fusca in glucose
Archiv für Mikrobiologie - Tập 67 - Trang 243-250 - 1969
H. Paschinger
Oxygen is evolved from illuminated Chlorella fusca, in absence of CO2, on addition of glucose, fructose, mannose, and, to a small extent, galactose. The amount of oxygen, as measured by manometry, is equivalent to the amount of carbon from glucose incorporated into lipids, as determined radiochemically. This amount is much more than that incorporated in light in presence of CO2, or in the dark. Th...... hiện toàn bộ
Induction of butane consumption in Pseudomonas butanovora
Archiv für Mikrobiologie - Tập 176 - Trang 114-120 - 2001
Luis A. Sayavedra-Soto, Chelsea M. Byrd, Daniel J. Arp
The induction of the enzyme activities involved in butane metabolism in Pseudomonas butanovora was characterized. P. butanovora was grown on butane or its metabolites, both singly and in mixtures with other growth substrates. Cells grown in each of the butane metabolites readily consumed the growth substrate and downstream metabolites, but consumed the upstream butane metabolites more slowly. Ups...... hiện toàn bộ
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