Abstract:
:Maize root colonization by two fluorescentPseudomonas strains M.3.1. and TR335, isolated respectively frommaize and tomato roots, were studied in hydroponic conditions. Each bacteriumwas inoculated separately, and three different colonization areas werestudied: nutrient solution, rhizoplane, and endorhizosphere. The twoPseudomonas strains established large rhizosphere populations, andrhizoplane colonization of the entire root system was similar for bothstrains. However, strain M.3.1. colonized the endorhizosphere moreefficiently than strain TR335. Seminal root cuttings from the tip to the seedallowed the assessment of colonization of three different root areas (i.e.,root cap and elongation area, root-hair zone, and mature zone). Rhizoplanecolonizations of all these three areas by M.3.1. were significantly the same,whereas strain TR335 colonized the rhizoplane of the root cap and elongationarea more actively than the root-hair zone and mature zone. Population sizeof the strain M.3.1. in the internal tissue of these areas was greater thanthat of strain TR335. Co-inoculations of the two strains indicated astimulation of the population size of strain M.3.1. regardless of root areastudied, whereas population size of strain TR335 remained unchanged. Theseresults demonstrated that external and internal maize root tissues werecolonized to a greater extent by a strain isolated from a maize rhizospherethan by one isolated from another rhizosphere.
journal_name
Curr Microbioljournal_title
Current microbiologyauthors
Benizri E,Schoeny A,Picard C,Courtade A,Guckert Adoi
10.1007/s002849900185subject
Has Abstractpub_date
1997-05-01 00:00:00pages
297-302issue
5eissn
0343-8651issn
1432-0991pii
2499journal_volume
34pub_type
杂志文章abstract::The abundance and diversity of chemotactic heterotrophic bacteria associated with Arctic cyanobacteria was determined. The viable numbers ranged between 10(4) and 10(6) cell g(-1) cyanobacterial biomass. A total of 112 morphotypes, representing 22 phylotypes based on their 16S rRNA sequence similarity were isolated fr...
journal_title:Current microbiology
pub_type: 杂志文章
doi:10.1007/s00284-012-0243-z
更新日期:2013-01-01 00:00:00
abstract::A thermophilic bacterial strain GXN151 which could degrade Avicel efficiently was isolated and identified as Bacillus licheniformis. A genomic library of GXN151 was constructed and two novel endoglucanase genes designated cel9A and cel12A were isolated by screening the library on carboxylmethyl cellulase indicator pla...
journal_title:Current microbiology
pub_type: 杂志文章
doi:10.1007/s00284-004-4291-x
更新日期:2004-10-01 00:00:00
abstract::PCR has been widely used to identify cry-type genes, to determine their distribution, to detect new such genes and to predict insecticidal activities. We describe here a molecular approach to analyze the genetic diversity of B. thuringiensis cry-like genes based on denaturing gradient gel electrophoresis (DGGE). This ...
journal_title:Current microbiology
pub_type: 杂志文章
doi:10.1007/s00284-010-9776-1
更新日期:2011-03-01 00:00:00
abstract::Degradation of n-alkanes in diesel oil by Pseudomonas aeruginosa strain WatG (WatG) was verified in soil microcosms. The total petroleum hydrocarbon (TPH) degradation level in two bioaugmentation samples was 51% and 46% for 1 week in unsterilized and sterilized soil microcosms, respectively. The TPH degradation in the...
journal_title:Current microbiology
pub_type: 杂志文章
doi:10.1007/s00284-005-0133-8
更新日期:2006-03-01 00:00:00
abstract::The search for a vaccine capable of conferring heterologous protection, through the identification of conserved and cross-protective antigens, remains an ongoing priority in leptospirosis research. In the present study, an in silico analysis was used to identify potentially protective lipoproteins from Leptospira inte...
journal_title:Current microbiology
pub_type: 杂志文章
doi:10.1007/s00284-010-9865-1
更新日期:2011-04-01 00:00:00
abstract::Polymorphisms in enzymatically amplified ribosomal DNA (rDNA) were examined in 18 strains of Saccharomyces. Restriction patterns generated from the region spanning the internal transcribed spacers (ITS) and the 5.8S rDNA produced two clusters corresponding to S. bayanus and S. cerevisiae. The type culture of S. carlsb...
journal_title:Current microbiology
pub_type: 杂志文章
doi:10.1007/BF01575857
更新日期:1992-11-01 00:00:00
abstract::To well understand the community structure and composition of mesophilic microorganisms in anaerobic system fed with PTA wastewater, an up-flow anaerobic fixed bed reactor was continuously run at 33 and 37 °C for 75 and 60 days, respectively. Both fluorescence in situ hybridization analysis and 454-pyrosequencing were...
journal_title:Current microbiology
pub_type: 杂志文章
doi:10.1007/s00284-015-0884-9
更新日期:2015-11-01 00:00:00
abstract::A NaCl(r) mutant of the diazotrophic cyanobacterium Anabaena variabilis has been isolated by NTG mutagenesis and selection for NaCl resistance. The NaCl(r) strain has been characterized with respect to its mechanism of NaCl tolerance and regulation of Na(+) influx. NaCl(r) strain exhibits low Na(+) influx, accumulated...
journal_title:Current microbiology
pub_type: 杂志文章
doi:10.1007/s002840010186
更新日期:2001-02-01 00:00:00
abstract::To optimize the cell lysis step for DNA extraction from activated sludge samples, two floc dispersion methods (sonication versus stirring with a cation exchange resin), and three cell lysis treatments (lysozyme + SDS, sonication in a water bath, and thermal shock) were tested. For dispersion, stirring with cation exch...
journal_title:Current microbiology
pub_type: 杂志文章
doi:10.1007/pl00006809
更新日期:1999-06-01 00:00:00
abstract::Six cyclohexylacetic acid-degrading strains were isolated from soil samples in Japan and identified as members of the genera Cupriavidus (strain KUA-1), Rhodococcus, and Dietzia by 16S rRNA gene sequence analysis. For the first time members of these genera were shown to be capable of degrading cyclohexylacetic acid. A...
journal_title:Current microbiology
pub_type: 杂志文章
doi:10.1007/s00284-008-9158-0
更新日期:2008-08-01 00:00:00
abstract::The esterase-encoding gene, estA, was cloned from Acinetobacter lwoffii I6C-1 genomic DNA into Escherichia coli BL21(DE3) with plasmid vector pET-22b (pEM1). pEM1 has a 4.4-kb EcoRI insert that contained the complete estA gene. A 2.4-kb AvaI- SphI DNA fragment was subcloned (pEM3) and sequenced. estA gene encodes a pr...
journal_title:Current microbiology
pub_type: 杂志文章
doi:10.1007/s00284-002-3886-3
更新日期:2003-04-01 00:00:00
abstract::NADPH-dependent aldose reductase activity induced by D-xylose or L-arabinose was detected in cell-free extracts of Candida guilliermondii, but only negligible activities were observed if D-glucose served as carbon source. The induction of aldose reductase activity on mixed sugars was investigated under resting cell co...
journal_title:Current microbiology
pub_type: 杂志文章
doi:10.1007/BF00298381
更新日期:1995-10-01 00:00:00
abstract::To overexpress the chitosanase gene (csn) in F. solani, a vector based on pCAMBIA 1300 was constructed. The csn gene, which is under control of the Aspergillus nidulans gpdA promoter and A. nidulans trpC terminator, was introduced back into the F. solani genome by Agrobacterium tumefaciens-mediated transformation, and...
journal_title:Current microbiology
pub_type: 杂志文章
doi:10.1007/s00284-008-9334-2
更新日期:2009-03-01 00:00:00
abstract::Porphyromonas gingivalis, one of the etiological agents of periodontitis, can be killed by red light in the presence of toluidine blue. The purpose of this study was to determine whether this light-induced killing was accompanied by changes in the fluidity of the organism's cytoplasmic membrane. A suspension of the or...
journal_title:Current microbiology
pub_type: 杂志文章
doi:10.1007/s00284-001-0095-4
更新日期:2002-08-01 00:00:00
abstract::The trag is a novel infection-related factor identified using in vivo-induced antigen technology (IVIAT) from SS2 expression libraries with swine convalescent sera. PCR-based studies of various S. suis strains collected from different sources revealed that the trag gene was present in all the virulent SS2 strains, but...
journal_title:Current microbiology
pub_type: 杂志文章
doi:10.1007/s00284-010-9643-0
更新日期:2010-12-01 00:00:00
abstract::The relationship between 16S rRNA gene sequence-derived phylogeny and the bacterial production of diterpenoids from 18 isolates of marine bacteria belonging to the genus Saprospira was determined. Restriction fragment length polymorphism (RFLP) analysis of the PCR amplified 16S rRNA genes of these isolates indicated f...
journal_title:Current microbiology
pub_type: 杂志文章
doi:10.1007/s00284-004-4358-8
更新日期:2004-10-01 00:00:00
abstract::The cbbF genes of the facultative chemoautotroph Alcaligenes eutrophus H16 are part of two highly homologous cbb operons. Both the chromosomal and the megaplasmid pHG1-borne copy of cbbF were cloned and sequenced. Subsequent analyses including comparison with known sequences from other organisms and heterologous expre...
journal_title:Current microbiology
pub_type: 杂志文章
doi:10.1007/BF00294635
更新日期:1995-07-01 00:00:00
abstract::The archaeal diversity in salt pan sediment from Mumbai, India, was investigated by 16S rDNA-dependent molecular phylogeny. Small-subunit rRNA (16S rDNA) from salt pan sediment metagenome were amplified by polymerase chain reaction (PCR) using primers specific to the domain archaea. Thirty-two unique phylotypes were o...
journal_title:Current microbiology
pub_type: 杂志文章
doi:10.1007/s00284-008-9167-z
更新日期:2008-08-01 00:00:00
abstract::Lipids contribute significantly to the pathogenesis of fungal infectious diseases and an understanding of lipid metabolism occurring in fungal pathogens can help the development of more efficient antifungal therapeutic strategies. In this study, the effect of culture age on the distribution of fatty acids among differ...
journal_title:Current microbiology
pub_type: 杂志文章
doi:10.1007/s00284-007-9052-1
更新日期:2008-02-01 00:00:00
abstract::Genetic engineering of microbes for commercial metabolite production traditionally has sought to alter the levels and/or intrinsic activities of key enzymes in relevant biosynthetic pathway(s). Microorganisms exploit similar strategies for flux control, but also coordinate flux through sets of related pathways by usin...
journal_title:Current microbiology
pub_type: 杂志文章
doi:10.1007/s002840010255
更新日期:2001-07-01 00:00:00
abstract::A Gram-negative, mobile, rod-shaped, non-spore-forming bacterium (strain 14-3(T)) was isolated from a temporary pond in Antarctica. On the basis of 16S rRNA gene sequence similarity, strain 14-3(T) was shown to belong to the genus Pseudomonas sensu stricto. Physiological and biochemical tests supported the phylogeneti...
journal_title:Current microbiology
pub_type: 杂志文章
doi:10.1007/s00284-009-9469-9
更新日期:2009-11-01 00:00:00
abstract::Acinetobacter baumannii is an emerging opportunistic pathogen that primarily infects critically ill patients in nosocomial settings and there is a need for identifying new alternative therapeutic agents against these organisms. Ceragenins are non-peptide, membrane-active agents that mimic the antimicrobial properties ...
journal_title:Current microbiology
pub_type: 杂志文章
doi:10.1007/s00284-020-01949-w
更新日期:2020-08-01 00:00:00
abstract::Lamprey was considered to be one of the most basal jawless vertebrate representatives for studying vertebrate evolution, embryo development, and the origin of adaptive immunity. Here we investigated the effect of the gut-derived Aeromonas on the lamprey leukocytes proteome using the label-free liquid chromatography-ta...
journal_title:Current microbiology
pub_type: 杂志文章
doi:10.1007/s00284-018-1468-2
更新日期:2018-07-01 00:00:00
abstract::Betel vine is an edible creeper used in folk medicine to aid digestion since time immemorial. It is an ideal candidate deemed for the bioprospection of endophytic microorganisms with valuable attributes. This study aimed at the characterization of potential bacteria from fermented betel leaves. We report the presence ...
journal_title:Current microbiology
pub_type: 杂志文章
doi:10.1007/s00284-020-02270-2
更新日期:2021-01-01 00:00:00
abstract::Clostridium (Clostridioides) difficile ribotype 027 (RT027) was detected in Germany for the first time in 2007 during an outbreak in the region of Trier, Rhineland-Palatinate and is today the most prevalent ribotype (RT) in Europe. We aimed to determine the changes in RT distribution and corresponding antimicrobial re...
journal_title:Current microbiology
pub_type: 杂志文章
doi:10.1007/s00284-019-01654-3
更新日期:2019-04-01 00:00:00
abstract::We have shown previously that Spo0A approximately P-dependent sinIR operon expression was substantially down-regulated in abrB null mutant backgrounds. In this report, we show that loss of function mutations in abrB also cause phosphorelay gene expression to be down regulated. abrB null mutations caused diminished veg...
journal_title:Current microbiology
pub_type: 杂志文章
doi:10.1007/s00284-003-4186-2
更新日期:2004-04-01 00:00:00
abstract::A total of 168 Campylobacter strains (154 C. jejuni and 14 C. coli) isolated from human clinical samples and chicken meat were typed using Penner serotyping, randomly amplified polymorphic DNA (RAPD), and pulsed-field gel electrophoresis (PFGE) with four restriction enzymes (Sac II, Sal I, Sma I, Kpn I). The 168 strai...
journal_title:Current microbiology
pub_type: 杂志文章
doi:10.1007/s00284-002-4037-6
更新日期:2003-11-01 00:00:00
abstract::A novel facultative anaerobic, Gram-stain-positive coccus, strain JS71T, was isolated from the human subgingival dental plaque of a periodontitis lesion. Phylogenetic analysis based on the 16S ribosomal RNA gene (16S rDNA) revealed that the strain belonged to the genus Streptococcus. The 16S rDNA sequence had high sim...
journal_title:Current microbiology
pub_type: 杂志文章
doi:10.1007/s00284-019-01778-6
更新日期:2019-12-01 00:00:00
abstract::Findings show 21 fungal isolates belonging to eight genera recovered from Egyptian soils that have the potential to attack L-methionine under submerged conditions. Aspergillus flavipes had the most methioninolytic activity, giving the highest yield of L-methioninase (10.78 U/mg protein), rate of methionine uptake (93....
journal_title:Current microbiology
pub_type: 杂志文章
doi:10.1007/s00284-008-9311-9
更新日期:2009-03-01 00:00:00
abstract::Francisella tularensis, the causative agent of tularemia, has attained the status of one of the high priority agents that could be used in the act of bioterrorism. Currently, there is no licensed vaccine for this highly infectious intracellular pathogen. Being a listed 'Category A' agent of the U.S. Center for Disease...
journal_title:Current microbiology
pub_type: 杂志文章
doi:10.1007/s00284-017-1217-y
更新日期:2017-04-01 00:00:00