Abstract：
:Glucose-limited continuous cultures were used to analyze sigmaB activity at decreasing growth rates. Expression of the sigmaB-dependent genes gsiB and ctc started to increase at a growth rate of 0.2 h-1, and both genes were induced approximately fivefold at a growth rate of 0.1 h-1 as compared to expression at the maximal growth rate. However, maximal sigmaB activity was only reached when the growth stopped as a result of the exhaustion of the carbon and energy source glucose. During glucose-limited growth, increased expression of the general stress regulon at growth rates below 0.2 h-1 did not provide wild-type cells with a growth advantage over sigB mutants. Instead, expression of the stress regulon seems to constitute a significant burden during glucose-limited growth, resulting in a selective growth advantage of the sigB mutant as compared to the wild-type at a growth rate of 0.08 h-1.
journal_name
Arch Microbioljournal_title
Archives of microbiologyauthors
Schweder T,Kolyschkow A,Völker U,Hecker Mdoi
10.1007/s002030050731keywords:
subject
Has Abstractpub_date
1999-05-01 00:00:00pages
439-43issue
6eissn
0302-8933issn
1432-072Xpii
91710439.203journal_volume
171pub_type
杂志文章abstract：:The haloalkaliphilic archaeon Natronobacterium vacuolatum forms cylinder-shaped gas vesicles throughout the growth cycle when grown in media containing 15-25% NaCl. Cells cultivated in media containing 13% NaCl are, however, gas-vesicle-free. The major gas vesicle structural protein, nv-GvpA, was detected by an antise...
journal_title：Archives of microbiology
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doi：10.1007/s002030050465
更新日期：1997-07-01 00:00:00
abstract：:During a screening program intended to identify genes encoding enzymes typical for secondary metabolism in Sorangium cellulosum So ce90, an aromatic amino acid decarboxylase gene (ddc) was detected. Expression of ddc in Escherichia coli and subsequent enzyme assays with cell-free extracts confirmed the proposed functi...
journal_title：Archives of microbiology
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更新日期：2000-04-01 00:00:00
abstract：:Gayal (Bos frontalis) of the Yunnan region is well adapted to harsh environmental conditions. Its diet consists predominantly of bamboo, reeds, and woody plants, suggesting that the rumen of this species contains many fiber-degrading bacteria and cellulases. The aim of this study was to identify and modify specific ce...
journal_title：Archives of microbiology
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doi：10.1007/s00203-020-01812-3
更新日期：2020-07-01 00:00:00
abstract：:The fine structure of the Gram-negative filamentous gliding bacterium, Herpetosiphon is described. The outer membrane of the cell envelope could not be resolved as a separate structure, probably because it is fused with the underlying dense (peptidoglycan) layer. There was an additional wall layer outside this membran...
journal_title：Archives of microbiology
pub_type： 杂志文章
doi：10.1007/BF00428379
更新日期：1975-03-10 00:00:00
abstract：:Hopane glycolipid, isolated from Bacillus acidocaldarius, was studied in its ability to support growth from Mycoplasma mycoides var. capri as substitute for sterols. All attempts to culture Mycoplasma on hopane glycolipid failed. When added together with cholesterol, the effect of HGL was a reduction in growth rate. T...
journal_title：Archives of microbiology
pub_type： 杂志文章
doi：10.1007/BF00413519
更新日期：1982-12-01 00:00:00
abstract：:CSM2, a cold-sensitive mutant of psychrophilic Pseudomonas syringae, grows like wild-type cells when cultured at 22 and 28 degrees C; but at 4 degrees C, the growth is retarded. In CSM2, AAT (coding for aspartate aminotransferase) is identified as the mutated gene. The expression of AAT in Pseudomonas syringae was tra...
journal_title：Archives of microbiology
pub_type： 杂志文章
doi：10.1007/s00203-010-0591-7
更新日期：2010-08-01 00:00:00
abstract：:A highly efficient method of transposon mutagenesis was developed for genetic analysis of Xanthobacter autotrophicus Py2. The method makes use of a transposon delivery vector that encodes a hyperactive Tn 5 transposase that is 1,000-fold more active than the wild-type transposase. In this construct, the transposase is...
journal_title：Archives of microbiology
pub_type： 杂志文章
doi：10.1007/s00203-002-0442-2
更新日期：2002-09-01 00:00:00
abstract：:Recent studies indicated that bioluminescence of the marine bacterium Vibrio harveyi may both stimulate DNA repair and contribute to detoxification of deleterious oxygen derivatives. Therefore, it was also proposed that these reactions can be considered biological roles of bacterial luminescence and might act as evolu...
journal_title：Archives of microbiology
pub_type： 杂志文章
doi：10.1007/s00203-005-0764-y
更新日期：2005-03-01 00:00:00
abstract：:A Gram-stain-negative, aerobic, non-motile and yellow-colored bacterium, strain 17J57-3 T, was isolated from soil collected in Pyeongchang city, Korea. Phylogenetic analyses based on 16S rRNA gene sequences revealed that strain 17J57-3 T formed a distinct lineage within the family Oxalobacteraceae (order Burkholderial...
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doi：10.1007/s00203-020-02076-7
更新日期：2020-10-15 00:00:00
abstract：:Twelve genes involved in thiamin biosynthesis in prokaryotes have been identified and overexpressed. Of these, six are required for the thiazole biosynthesis (thiFSGH, thil, and dxs), one is involved in the pyrimidine biosynthesis (thiC), one is required for the linking of the thiazole and the pyrimidine (thiE), and f...
journal_title：Archives of microbiology
pub_type： 杂志文章,评审
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更新日期：1999-04-01 00:00:00
abstract：:Microbial changes in vaginal ecosystem may accelerate the process of cervical carcinogenesis. The developed cervical cancer can lead to changes in the vaginal microbiota. The aim of our study is to determine the vaginal microbiota changes at women with FIGO I stage cervical cancer. We conducted an open, single-site su...
journal_title：Archives of microbiology
pub_type： 杂志文章
doi：10.1007/s00203-019-01747-4
更新日期：2020-03-01 00:00:00
abstract：:Fifty isolates belonging to the six validly described species of the genus Thermus (T. aquaticus, T. filiformis, T. thermophilus, T. scotoductus, T. brockianus, and T. oshimai) isolated from hot springs of different geographical areas were compared using macrorestriction analysis of genomic DNA and ribotyping. With th...
journal_title：Archives of microbiology
pub_type： 杂志文章
doi：10.1007/s002030050474
更新日期：1997-08-01 00:00:00
abstract：:Only about one third of humans possess a microbiota capable of transforming the dietary isoflavone daidzein into equol. Little is known about the dietary and physiological factors determining this ecological feature. In this study, the in vitro metabolism of daidzein by faecal samples from four human individuals was i...
journal_title：Archives of microbiology
pub_type： 杂志文章
doi：10.1007/s00203-004-0747-4
更新日期：2005-01-01 00:00:00
abstract：:A strictly anaerobic bacterium, strain PCE1, was isolated from a tetrachloroethene-dechlorinating enrichment culture. Cells of the bacterium were motile curved rods, with approximately four lateral flagella. They possessed a gram-positive type of cell wall and contained cytochrome c. Optimum growth occurred at pH 7.2-...
journal_title：Archives of microbiology
pub_type： 杂志文章
doi：10.1007/s002030050308
更新日期：1996-02-01 00:00:00
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journal_title：Archives of microbiology
pub_type： 杂志文章
doi：10.1007/s002030050330
更新日期：1996-05-01 00:00:00
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journal_title：Archives of microbiology
pub_type： 杂志文章
doi：10.1007/s00203-007-0341-7
更新日期：2008-06-01 00:00:00
abstract：:Rather recently it has become clear that prokaryotes (Archaea and Bacteria) are able to glycosylate proteins. A literature survey revealed the different types of glycoproteins. They include mainly surface layer (S-layer) proteins, flagellins, and polysaccharide-degrading enzymes. Only in a few cases is structural info...
journal_title：Archives of microbiology
pub_type： 杂志文章,评审
doi：10.1007/s002030050484
更新日期：1997-09-01 00:00:00
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journal_title：Archives of microbiology
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doi：10.1007/s00203-003-0573-0
更新日期：2003-08-01 00:00:00
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journal_title：Archives of microbiology
pub_type： 杂志文章
doi：10.1007/s002030050782
更新日期：1999-11-01 00:00:00
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doi：10.1007/s00203-003-0615-7
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abstract：:Video-enhanced light microscopy of the apical and subapical regions of growing hyphae of several fungal species revealed the existence of momentary synchronized motions of subcellular organelles. First discovered in a temperature-sensitive morphological mutant (ramosa-1) of Aspergillus niger, these seemingly spontaneo...
journal_title：Archives of microbiology
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更新日期：2005-05-01 00:00:00
abstract：:Bacillus stearothermophilus strains PV 72 and ATCC 12980 carry a crystalline surface layer (S-layer) with hexagonal (p6) and oblique (p2) symmetry, respectively. Sites of insertions of new subunits into the regular lattice during cell growth have been determined by the indirect fluorescent antibody technique and the p...
journal_title：Archives of microbiology
pub_type： 杂志文章
doi：10.1007/BF00446749
更新日期：1988-01-01 00:00:00
abstract：:The bacteriocinogenic strain of Enterococcus faecalis EJ97 has been isolated from municipal waste water. It produces a cationic bacteriocin (enterocin EJ97) of low molecular mass (5,340 Da) that is very stable under mild heat conditions and is sensitive to proteolytic enzymes. The amino acid sequence of the first 18 N...
journal_title：Archives of microbiology
pub_type： 杂志文章
doi：10.1007/s002030050678
更新日期：1998-12-01 00:00:00
abstract：:In this study, two quorum sensing (QS) system genes, las and rhI; N-3-oxo-dodecanoyl homoserine lactone (AHL; 3-O-C12-HSL); and QS-related virulence factors and correlation between them were assessed in 30 fish origin P. aeruginosa isolates. The detection of two QS system of the isolates, and eight gene regions consis...
journal_title：Archives of microbiology
pub_type： 杂志文章
doi：10.1007/s00203-020-02159-5
更新日期：2021-01-04 00:00:00
abstract：:Chromate resistance in Ralstonia metallidurans CH34 is based on chromate efflux catalyzed by ChrA efflux pumps. The bacterium harbors two chromate resistance determinants, the previously known chr(1) on plasmid pMOL28 (genes chrI, chrB(1), chrA(1), chrC, chrE, chrF(1)) and chr(2) on the chromosome (genes chrB(2), chrA...
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pub_type： 杂志文章
doi：10.1007/s00203-002-0492-5
更新日期：2002-12-01 00:00:00
abstract：:The utilization of carnitine and carnitine derivatives (O-acylcarnitines, carnitine carboxylderivatives) and structure-related trimethylammonium-compounds (betaines and nitrogen-bases) by Acinetobacter calcoaceticus was studied by means of the control of growth and the quantitative detection of metabolites. The strain...
journal_title：Archives of microbiology
pub_type： 杂志文章
doi：10.1007/BF00429336
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abstract：:Glutamine synthetase (GS) activity of Schizosaccharomyces pombe 972 was high in ammonia-limited cultures, low in phosphate- and sulphate-limited cultures and not detected in glucose-limited cultures. When ammonia was 'pulsed' into an ammonia-limited culture then GS activity decreased at a rate faster than that calcula...
journal_title：Archives of microbiology
pub_type： 杂志文章
doi：10.1007/BF00549365
更新日期：1977-01-11 00:00:00
abstract：:Growth kinetics of a Vero cells adapted Bangladeshi strain of peste des petits ruminants virus was studied in Vero cells to determine maximum virus yield. One-step growth curve was formulated after determining virus in both supernatant (CFV) and cell lysate (CAV) at different time categories by microtitre plate titrat...
journal_title：Archives of microbiology
pub_type： 杂志文章
doi：10.1007/s00203-020-02154-w
更新日期：2021-01-05 00:00:00
abstract：:Of the seven amino acids required by Clostridium botulinum type E, tryptophan is the most essential and may provide the cell with nitrogen. The addition of excess tryptophan (10-20 mM) or other nitrogenous nutrients to minimal growth medium markedly decreased toxin formation but did not affect growth in C. botulinum t...
journal_title：Archives of microbiology
pub_type： 杂志文章
doi：10.1007/BF00245225
更新日期：1990-01-01 00:00:00
abstract：:Plasmid-borne hup-lacZ transcriptional fusion constructs were introduced into three separate mutant strains of Bradyrhizobium japonicum which express hydrogenase constitutively (Hupc strains SR470, SR473 and JH101) in both autotrophic and heterotrophic environments. The lacZ structural gene linked directly to the regu...
journal_title：Archives of microbiology
pub_type： 杂志文章
doi：10.1007/BF00258144
更新日期：1993-01-01 00:00:00
