Abstract：
:Growth of mesophilic Aeromonas sp. strains from serogroups O:13, O:33 and O:44 at different temperatures and osmolarity resulted in changes in the lipopolysaccharide (LPS) and virulence of the strains tested, as we had previously reported for strains from serogroup O:34. The effect of osmolarity could be observed when the cells grew at 37 degrees C but not at 20 degrees C. Purified LPS from cells cultivated at 20 degrees C (high or low osmolarity) or at 37 degrees C at high osmolarity was smooth, whereas the LPS extracted from the cells cultivated on low osmolarity was rough. The smooth strains were resistant to the bactericidal activity of non-immune serum, while the rough strains were sensitive and showed better adhesion to Hep-2 cells than the rough strains. Furthermore, the smooth strains were more virulent for fish and mice than the rough strains. For mesophilic Aeromonas sp. strains from serogroups O:1 to O:44, these changes were not observed, except for serogroups O:13, O:33, O:34 and O:44.
journal_name
Res Microbioljournal_title
Research in microbiologyauthors
Merino S,Aguilar A,Rubires X,Tomás JMdoi
10.1016/s0923-2508(98)80323-9subject
Has Abstractpub_date
1998-06-01 00:00:00pages
407-16issue
6eissn
0923-2508issn
1769-7123pii
S0923-2508(98)80323-9journal_volume
149pub_type
杂志文章abstract：:Long polar fimbriae (LPF) are related to type I fimbriae in genetic organization and were first identified in Salmonella enterica serovar Typhimurium. Four lpfA genetic variants designated lpfA(O157/OI-141), lpfA(O157/OI-154), lpfA(O26) and lpfA(O113) have been identified in Shiga toxin-producing Escherichia coli (STE...
journal_title：Research in microbiology
pub_type： 杂志文章
doi：10.1016/j.resmic.2005.06.009
更新日期：2006-03-01 00:00:00
abstract：:Cell death induced by adherence of Staphylococcus aureus was observed in Cryptococcus neoformans. To investigate this death mechanism, we examined three factors: actin dynamics using rhodamine-phalloidin staining, accumulation of reactive oxygen species (ROS) via conversion of 2',7'-dichlorofluorescein diacetate to 2'...
journal_title：Research in microbiology
pub_type： 杂志文章
doi：10.1016/j.resmic.2008.07.006
更新日期：2008-11-01 00:00:00
abstract：:Lectin-like substances of 54 marine algae, corresponding to 30 red algae and 24 brown algae, were studied to estimate the agglutination activity against Candida guilliermondii. Extracts of Dictyopteris membranacea, Bifurcaria bifurcata, Halidrys siliquosa, Ascophyllum nodosum, Fucus serratus and F. spiralis algae show...
journal_title：Research in microbiology
pub_type： 杂志文章
doi：10.1016/0923-2508(89)90013-2
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abstract：:During the past twenty-nine years, not a single class of antimicrobial agents has been discovered that has led to new approved human drugs. Despite a dramatic increase in the potency of existing classes, the need for new effective antimicrobial agents continues. The bacterial phosphotransferase system (PTS) offers the...
journal_title：Research in microbiology
pub_type： 杂志文章,评审
doi：10.1016/0923-2508(92)90089-7
更新日期：1992-06-01 00:00:00
abstract：:A gene encoding a sixth chitin synthase (Umchs6, sequence GenBank accession No. ) from the plant pathogenic hemibasidiomycete Ustilago maydis (DC.) Cda. was isolated and characterized. The predicted protein is 1103 amino acids in length with a calculated molecular mass of 123.5 kDa. a2b2 null mutants were obtained by ...
journal_title：Research in microbiology
pub_type： 杂志文章
doi：10.1016/j.resmic.2003.11.005
更新日期：2004-03-01 00:00:00
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journal_title：Research in microbiology
pub_type： 杂志文章
doi：10.1016/0923-2508(90)90019-m
更新日期：1990-06-01 00:00:00
abstract：:A hydrogen-producing bacterial strain was newly isolated from a hot spring and identified as Klebsiella oxytoca HP1 by 16S rRNA gene sequence analysis and detection by BioMerieux Vitek. Important parameters, including substrates, starting pH of culture, temperature and oxygen concentration for batch ferment hydrogen p...
journal_title：Research in microbiology
pub_type： 杂志文章
doi：10.1016/j.resmic.2004.08.004
更新日期：2005-01-01 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
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journal_title：Research in microbiology
pub_type： 杂志文章
doi：10.1016/j.resmic.2008.10.012
更新日期：2009-03-01 00:00:00
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journal_title：Research in microbiology
pub_type： 杂志文章
doi：10.1016/0923-2508(92)90060-2
更新日期：1992-09-01 00:00:00
abstract：:The sensitivity and specificity of 7 PCR assays described for the identification of Campylobacter jejuni and Campylobacter coli were examined using alkaline cell lysates from a collection of 100 well characterized reference strains of C. jejuni, C. coli, Campylobacter lari and related Campylobacter, Helicobacter and A...
journal_title：Research in microbiology
pub_type： 杂志文章
doi：10.1016/j.resmic.2007.11.020
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journal_title：Research in microbiology
pub_type： 杂志文章
doi：10.1016/j.resmic.2004.03.004
更新日期：2004-09-01 00:00:00
abstract：:Clostridium tyrobutyricum is an anaerobic bacterium responsible for late blowing defects during cheese ripening and it is of scientific interest for biological hydrogen production. A scanning electron microscopy (SEM) coating technique and X-ray microanalysis were developed to analyze the architecture and chemical com...
journal_title：Research in microbiology
pub_type： 杂志文章
doi：10.1016/j.resmic.2009.04.003
更新日期：2009-06-01 00:00:00
abstract：:Sporulation histidine kinases, which sense sporulation-specific signals and initiate phosphorelay reactions, are poorly conserved among Bacillus species. We found several putative genes for sporulation histidine kinases in the genome sequence of Paenibacillus polymyxa E681 and assayed the genes for complementation of ...
journal_title：Research in microbiology
pub_type： 杂志文章
doi：10.1016/j.resmic.2012.02.003
更新日期：2012-05-01 00:00:00
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journal_title：Research in microbiology
pub_type： 杂志文章
doi：10.1016/0923-2508(92)90061-r
更新日期：1992-09-01 00:00:00
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journal_title：Research in microbiology
pub_type： 杂志文章
doi：10.1016/0923-2508(90)90128-d
更新日期：1990-09-01 00:00:00
abstract：:While the scientific contributions of François Jacob were outstanding, I also consider that his conception of science, and of its place among other forms of knowledge, is also highly original, and important for the future of science in our societies. His contributions to the history and philosophy of science were neit...
journal_title：Research in microbiology
pub_type： 传,历史文章,杂志文章
doi：10.1016/j.resmic.2014.05.001
更新日期：2014-06-01 00:00:00
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journal_title：Research in microbiology
pub_type： 杂志文章
doi：10.1016/j.resmic.2011.10.007
更新日期：2012-01-01 00:00:00
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journal_title：Research in microbiology
pub_type： 杂志文章,评审
doi：10.1016/0923-2508(92)90117-7
更新日期：1992-07-01 00:00:00
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journal_title：Research in microbiology
pub_type： 杂志文章
doi：10.1016/S0923-2508(03)00069-X
更新日期：2003-05-01 00:00:00
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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
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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：:DNA-DNA hybridization showed that the Brucella strains recently isolated from marine mammals belong to the monospecific genus Brucella (more than 77% DNA relatedness). Ribotyping (HindIII rDNA restriction patterns) showed that they may represent a separate subgroup (marine type) specifically associated with marine mam...
journal_title：Research in microbiology
pub_type： 杂志文章
doi：10.1016/s0923-2508(00)01145-1
更新日期：2000-11-01 00:00:00
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journal_title：Research in microbiology
pub_type： 杂志文章
doi：10.1016/j.resmic.2010.03.004
更新日期：2010-05-01 00:00:00
abstract：:Both Neisseria meningitidis and Streptococcus pneumoniae are naturally transformable species and are known to be freely recombining in the wild. Large multilocus sequence typing (MLST) datasets have been generated for these species. Here we outline an approach which exploits these data sets in order to quantify the ex...
journal_title：Research in microbiology
pub_type： 杂志文章,评审
doi：10.1016/s0923-2508(00)00168-6
更新日期：2000-07-01 00:00:00
abstract：:Paralytic shellfish toxins (PSTs) are sodium channel blocking (SCB) toxins, produced by cyanobacteria, as well as by marine dinoflagellates and their associated bacteria, and cause serious health and economic concern worldwide. In a previous study, approximately 70% of the bacteria enriched from PST-contaminated shell...
journal_title：Research in microbiology
pub_type： 杂志文章
doi：10.1016/s0923-2508(02)01328-1
更新日期：2002-07-01 00:00:00
abstract：:Thirty mosquitocidal strains of Bacillus sphaericus isolated from different sources and localities in Brazil were characterized phenotypically and genetically to determine their relationship. Among the strains tested, 93.3% were shown to be resistant to lincomycin, 96.6% to novobiocin, 60% to chloramphenicol and all s...
journal_title：Research in microbiology
pub_type： 杂志文章
doi：10.1016/s0923-2508(99)80032-1
更新日期：1999-03-01 00:00:00
abstract：:During an epidemiologic survey, an unidentified strain of Legionella was isolated from water of a thermal spa in France. The strain (Lyon 8420412) had the cultural and biochemical characteristics typical of the genus Legionella. In direct immunofluorescence tests, the strain reacted weakly with fluorescein-conjugated ...
journal_title：Research in microbiology
pub_type： 杂志文章
doi：10.1016/0923-2508(89)90086-7
更新日期：1989-10-01 00:00:00
abstract：:Riemerella anatipestifer (RA) causes major economic losses to the duck industry. Autoinducer-2 (AI-2) is a quorum-sensing signal that regulates bacterial physiology. The luxS and pfs genes are required for AI-2 synthesis in many bacterial species. pfs encodes Pfs, which functions upstream of LuxS in the biosynthesis o...
journal_title：Research in microbiology
pub_type： 杂志文章
doi：10.1016/j.resmic.2015.06.004
更新日期：2015-07-01 00:00:00
abstract：:Mesophilic iron and sulfur-oxidizing acidophiles are readily found in acid mine drainage sites and bioleaching operations, but relatively little is known about their activities at suboptimal temperatures and in cold environments. The purpose of this work was to characterize the oxidation of elemental sulfur (S(0)), te...
journal_title：Research in microbiology
pub_type： 杂志文章
doi：10.1016/j.resmic.2009.08.022
更新日期：2009-12-01 00:00:00
