Abstract：
:The expression of the feruloyl esterase gene faeA, the alpha-glucuronidase gene aguA, the endoxylanase gene xlnB, and the beta-xylosidase gene xlnD from Aspergillus niger on xylose was studied in a wild-type strain and in a CreA mutant. A decrease in expression of all four genes was observed with increasing xylose concentrations in the wild-type strain, whereas expression levels in the CreA mutant were not influenced. The results in the wild type indicated that xylose concentrations higher than 1 mM resulted in repression of the expression of the xylanolytic genes tested mediated by the carbon catabolite repressor protein CreA. On xylose, the expression levels of the xylanolytic genes were therefore not only determined by induction via XlnR, but also by repression via CreA. The genes tested were not influenced to the same extent by XlnR or CreA, resulting in specific expression levels and patterns for each individual gene.
journal_name
Res Microbioljournal_title
Research in microbiologyauthors
de Vries RP,Visser J,de Graaff LHdoi
10.1016/s0923-2508(99)80053-9subject
Has Abstractpub_date
1999-05-01 00:00:00pages
281-5issue
4eissn
0923-2508issn
1769-7123pii
S0923250899800539journal_volume
150pub_type
杂志文章abstract：:The promoter probe mini-Tn5-luxAB-tet was used to create a luxAB transcriptional fusion responding to fluorene in the fluorene utilising bacterium Sphingomonas sp. LB126. The mutant strain, named L-132, was impaired in fluorene utilisation and strongly emitted light upon addition of fluorene to the growth medium. L-13...
journal_title：Research in microbiology
pub_type： 杂志文章
doi：10.1016/s0923-2508(01)01268-2
更新日期：2001-12-01 00:00:00
abstract：:Urease biogenesis was monitored in the lactic acid bacterium Streptococcus thermophilus during the growth cycle using in-gel detection and a phenol-hypochloride assay. Zymogram analysis, performed in a non-denaturing polyacrylamide gel, enabled visualization of a complex profile of bands whose number and intensity wer...
journal_title：Research in microbiology
pub_type： 杂志文章
doi：10.1016/j.resmic.2005.04.005
更新日期：2005-11-01 00:00:00
abstract：:The adsorption complex of filamentous phage fd consists of two minor coat proteins, g3p and g6p, and is considered to be not only a structural entity, but also a functional unit to terminate phage assembly. Cells were infected with phage M13am8H1, which cannot assemble because it lacks the major coat protein g8p, alth...
journal_title：Research in microbiology
pub_type： 杂志文章
doi：10.1016/0923-2508(94)90042-6
更新日期：1994-11-01 00:00:00
abstract：:In this study, we identified an antimicrobial compound produced by the Gram-negative bacterium Serratia marcescens. Colonies of S. marcescens inhibited the growth of nine different methicillin-resistant Staphylococcus aureus (MRSA) isolates and several other tested Gram-positive bacterial species, but not Gram-negativ...
journal_title：Research in microbiology
pub_type： 杂志文章
doi：10.1016/j.resmic.2013.06.002
更新日期：2013-10-01 00:00:00
abstract：:There is still an urgent requirement for more sensitive, cost-effective methods for detection and susceptibility testing of mycobacteria in clinical samples. We have been investigating a simple bacteriophage-based system which could be used for both purposes. As this depends upon the detection of phages which have suc...
journal_title：Research in microbiology
pub_type： 杂志文章
doi：10.1016/s0923-2508(98)80003-x
更新日期：1998-07-01 00:00:00
abstract：:The biological complexity of trade-offs has been a major obstacle in understanding bacterial diversity and coexistence. Here we reduce the biological complexity by using isogenic Escherichia coli strains differing only in a multiplication-survival trade-off regulated by RpoS. The contribution of trade-off characterist...
journal_title：Research in microbiology
pub_type： 杂志文章
doi：10.1016/j.resmic.2015.12.001
更新日期：2016-04-01 00:00:00
abstract：:The gene encoding a lipoprotein of 67 kDa, named P67, was cloned from Mycoplasma sp. bovine group 7 strain PG50 and expressed in Escherichia coli K12. Analysis of the amino acid sequence derived from the DNA sequence of the P67 gene revealed a typical prokaryotic signal peptidase II membrane lipoprotein lipid attachme...
journal_title：Research in microbiology
pub_type： 杂志文章
doi：10.1016/s0923-2508(97)83624-8
更新日期：1998-01-01 00:00:00
abstract：:Monopolization of the vaginal econiche by a limited number of Lactobacillus species, resulting in low pH of 3.5-4.5, has been shown to protect women against vaginal dysbiosis, sexually transmitted infections and adverse pregnancy outcomes. Still, controversy exists as to which characteristics of lactobacilli are most ...
journal_title：Research in microbiology
pub_type： 杂志文章,评审
doi：10.1016/j.resmic.2017.08.001
更新日期：2017-01-01 00:00:00
abstract：:Although this volume is dedicated to honoring François Jacob, I would like my contribution to broaden the context by recalling the background within which the scientists of those times operated. The specific scientific accomplishments of Jacob will certainly be covered by the other contributors who collaborated with h...
journal_title：Research in microbiology
pub_type： 传,历史文章,杂志文章
doi：10.1016/j.resmic.2014.05.027
更新日期：2014-06-01 00:00:00
abstract：:A collection of 57 strains of hyperthermophilic Archaea from the order Thermococcales was screened for the presence of plasmids; 9 plasmids present in six of these strains were isolated and characterized in terms of size and cross-hybridization. The Notl macrorestriction patterns of genomic DNA of strains harbouring t...
journal_title：Research in microbiology
pub_type： 杂志文章
doi：10.1016/s0923-2508(97)82452-7
更新日期：1997-12-01 00:00:00
abstract：:The phylogenetic diversity of a sediment microbial community from two ponds having different salinities, 150-200 g/l (M2) and 250-300 g/l (TS38), of an Sfax (Tunisia) solar saltern, was investigated using 16S rRNA clone libraries. The 16S rRNA genes from 135 bacterial clones and 105 archaeal clones were sequenced and ...
journal_title：Research in microbiology
pub_type： 杂志文章
doi：10.1016/j.resmic.2010.05.009
更新日期：2010-09-01 00:00:00
abstract：:A new type of nitrogen-fixing, oxalate-oxidizing Azospirillum sp. was isolated from the roots of Oxalis pes-caprae. Polyphasic taxonomy was performed, including auxanography using API galleries, physiological tests and 16S rRNA sequence comparison. Optimum growth occurred at 30 degrees C, pH 7.5. Growth was observed a...
journal_title：Research in microbiology
pub_type： 杂志文章
doi：10.1016/j.resmic.2004.10.009
更新日期：2005-04-01 00:00:00
abstract：:The results of a multiple locus variable number of tandem repeat (VNTR) analysis (MLVA)-based study designed to understand the genetic diversity of soil and manure-borne Pseudomonas aeruginosa isolates, and the relationship between these isolates and a set of clinical and environmental isolates, are hereby reported. F...
journal_title：Research in microbiology
pub_type： 杂志文章
doi：10.1016/j.resmic.2013.10.004
更新日期：2014-01-01 00:00:00
abstract：:The marine psychrophilic bacterium Moritella viscosa is the causative agent of winter ulcer in farmed Atlantic salmon and cod. In this study, the growth requirements of the pathogen were established. The effects of changes in salinity and temperature on growth, surface features and proteomic regulation were also inves...
journal_title：Research in microbiology
pub_type： 杂志文章
doi：10.1016/j.resmic.2006.11.014
更新日期：2007-04-01 00:00:00
abstract：:In this review, we synthesise current models and recent comparative genomic studies describing how bacterial species may emerge through adaptation to a new ecological niche and maintain themselves in the same niche over long time periods. We notably consider the impact of genetic exchange with phylogenetically close r...
journal_title：Research in microbiology
pub_type： 杂志文章,评审
doi：10.1016/j.resmic.2015.06.008
更新日期：2015-12-01 00:00:00
abstract：:Here we characterize the first step in methionine biosynthesis in Agrobacterium tumefaciens, an α-proteobacterium. We explored the metA gene and its products and found several unique properties. Although the gene was annotated as a homoserine transsuccinylase, based upon sequence similarity to characterized homologs i...
journal_title：Research in microbiology
pub_type： 杂志文章
doi：10.1016/j.resmic.2012.10.005
更新日期：2013-01-01 00:00:00
abstract：:ATP binding cassette (ABC) systems constitute one of the most abundant superfamilies of proteins. They are involved not only in the transport of a wide variety of substances, but also in many cellular processes and in their regulation. In this paper, we made a comparative analysis of the properties of ABC systems and ...
journal_title：Research in microbiology
pub_type： 杂志文章,评审
doi：10.1016/s0923-2508(01)01194-9
更新日期：2001-04-01 00:00:00
abstract：:There are several occasions when enumeration of Escherichia coli cells is needed. These include examination of urine specimens and water or food samples. Present methods rely on growth in more or less selective media (colony-forming units on agar or the most probable number method using liquid media). Unfortunately, n...
journal_title：Research in microbiology
pub_type： 杂志文章
doi：10.1016/s0923-2508(00)00222-9
更新日期：2000-09-01 00:00:00
abstract：:Mercury methylation and demethylation processes govern the fate of methylmercury in aquatic ecosystems. Under anoxic conditions, methylation activity is mainly of biological origin and is often the result of sulfate-reducing bacteria. In this study, the use of a luminescent biosensor for screening methylmercury produc...
journal_title：Research in microbiology
pub_type： 杂志文章
doi：10.1016/j.resmic.2017.09.005
更新日期：2018-01-01 00:00:00
abstract：:Triclosan is an antimicrobial agent found in many consumer products. Triclosan inhibits the bacterial fatty acid biosynthetic enzyme, enoyl-ACP reductase (FabI). Decreased susceptibility to triclosan correlates with ciprofloxacin resistance in several bacteria. In these bacteria, resistance to both drugs maps to genes...
journal_title：Research in microbiology
pub_type： 杂志文章
doi：10.1016/j.resmic.2007.09.003
更新日期：2007-10-01 00:00:00
abstract：:The kinetics of colicin N binding to the Escherichia coli surface, comprising the recognition of and association with cell-surface-exposed sites of OmpF porin, is a rapid event taking place during the first seconds of incubation. Immunogold labelling demonstrates the membrane localization of the colicin N bound to sen...
journal_title：Research in microbiology
pub_type： 杂志文章
doi：10.1016/s0923-2508(99)80012-6
更新日期：1998-10-01 00:00:00
abstract：:Development of effective strategies for treatment of candidiasis and other fungal diseases has posed a challenge, considering the increase in opportunistic fungal infections in HIV-positive and immunocompromised patients. The in vitro antifungal activity of essential oil from Ocimum gratissimum was investigated in ord...
journal_title：Research in microbiology
pub_type： 杂志文章
doi：10.1016/j.resmic.2004.04.004
更新日期：2004-09-01 00:00:00
abstract：:The association between bacteria and leaves in Ardisia has been described as a cyclic and obligate symbiosis in which bacteria are maintained throughout all stages of the plant's life cycle to guarantee normal growth and survival of the host. This intimate interaction suggests that both partners have co-diversified to...
journal_title：Research in microbiology
pub_type： 杂志文章
doi：10.1016/j.resmic.2011.04.003
更新日期：2011-06-01 00:00:00
abstract：:Rhizobium leguminosarum bv. trifolii synthesizes extracellular polysaccharide (EPS) that is postulated to be a biologically active signalling molecule in clover symbiosis. A group of seven exopolysaccharide-deficient (Exo), non-nitrogen-fixing mutants of R. leguminosarum bv. trifolii strain 24.1 isolated by transposon...
journal_title：Research in microbiology
pub_type： 杂志文章
doi：10.1016/S0923-2508(03)00113-X
更新日期：2003-07-01 00:00:00
abstract：:Some pathogenic species belonging to the Vibrionaceae family have been shown to regulate virulence through a complicated network of quorum sensing systems. In this study, three kinds of N-acylhomoserine lactone (AHL) signal molecules were detected in Vibrio ichthyoenteri DA3, a pathogen of cultured turbot (Scophthalmu...
journal_title：Research in microbiology
pub_type： 杂志文章
doi：10.1016/j.resmic.2009.10.004
更新日期：2010-01-01 00:00:00
abstract：:Fungal dimorphism is the capacity of certain species of fungi to grow in the form of budding yeasts or mycelium depending on the environmental conditions. This characteristic is a complex phenomenon that involves modifications of the molecular machinery in response to different environmental signals. Through the use o...
journal_title：Research in microbiology
pub_type： 杂志文章
doi：10.1016/j.resmic.2012.03.002
更新日期：2012-06-01 00:00:00
abstract：:Glucose kinase (Glk) from Streptomyces coelicolor was purified, characterized biochemically and kinetically, and compared to Glk from Streptomyces peucetius var. caesius. In both Streptomyces, 96% of the enzyme activity was detected in the cytosolic fraction. The use of a Glk activity gel showed no isoforms of the enz...
journal_title：Research in microbiology
pub_type： 杂志文章
doi：10.1016/j.resmic.2004.11.001
更新日期：2005-04-01 00:00:00
abstract：:As part of an ongoing study to determine the true habitat of Bacillus species, we report here the isolation and characterisation of Bacillus subtilis from the human gastrointestinal tract (GIT). Strains were obtained from ileum biopsies as well as from faecal samples and their biotypes defined. 16S rRNA analysis revea...
journal_title：Research in microbiology
pub_type： 杂志文章
doi：10.1016/j.resmic.2008.11.002
更新日期：2009-03-01 00:00:00
abstract：:Magnetotactic bacteria (MTB) are a group of Gram-negative bacteria synthesizing magnetic crystals that allow them aligning along magnetic field lines. They have diverse morphologies including cocci, rods, vibrio, spirilla, and multicellular magnetotactic prokaryotes (MMPs). MMPs are composed of 10-57 cells with peritr...
journal_title：Research in microbiology
pub_type： 杂志文章
doi：10.1016/j.resmic.2014.07.012
更新日期：2014-09-01 00:00:00
abstract：:The Escherichia coli mannitol permease (EIIMtl) of the phosphoenolpyruvate-dependent phosphotransferase system is a 68-kDa membrane protein that carries out the concomitant transport and phosphorylation of D-mannitol. Previous studies indicated that there are ca. 6 membrane-spanning helices within the N-terminal half ...
journal_title：Research in microbiology
pub_type： 杂志文章
doi：10.1016/0923-2508(92)90003-7
更新日期：1992-02-01 00:00:00
