Genetic diversity of fast-growing rhizobia that nodulate soybean ( Glycine max L. Merr).

abstract：:Nitrosomonas europaea, a Gram-negative obligate chemolithoautotroph, participates in global nitrogen cycling by carrying out nitrification and derives energy for growth through oxidation of ammonia. In this work, the physiological, proteomic, and transcriptional responses of N. europaea to zinc stress were studied. Th...

journal_title：Archives of microbiology

authors： Park S,Ely RL

更新日期：2008-06-01 00:00:00

abstract：:Non-hemolytic enterotoxin (NHE), a tri-partite, proteinaceous toxin encoded by contiguous nheA, nheB and nheC genes of Bacillus cereus sensu lato (B. cereus s.l.), is considered to be associated with the foodborne diarrheic syndrome. However, B. cereus s.l. includes a number of closely related strains, and the occurre...

journal_title：Archives of microbiology

authors： Cai Y,Huang T,Xu Y,Zhou G,Zou P,Zeng G,Liu X

更新日期：2017-07-01 00:00:00

abstract：:Coagulase-negative staphylococci (CNS) are opportunistic pathogens that are currently emerging as causative agents of human disease. Though CNS are widespread in the clinic and food, their precise identification at species level is important. Here, using 16S rRNA sequencing, 55 staphylococcal isolates were identified ...

journal_title：Archives of microbiology

authors： Kim J,Hong J,Lim JA,Heu S,Roh E

更新日期：2018-01-01 00:00:00

abstract：:Aflatoxins are highly toxic and carcinogenic fungal secondary metabolites. At least 18 enzyme activities are required for aflatoxin biosynthesis in the filamentous fungus Aspergillus parasiticus. One of these enzymes, versicolorin B synthase (VBS), catalyzes bisfuran ring closure in versiconal hemiacetal (a reaction n...

journal_title：Archives of microbiology

authors： Chiou CH,Lee LW,Owens SA,Whallon JH,Klomparens KL,Townsend CA,Linz JE

更新日期：2004-09-01 00:00:00

abstract：:Experiments were performed to isolate mutants lacking alkaline phosphatase in Chlamydomonas reinhardi. Mutants with null enzyme activity were obtained. A cytological study of these mutants however revealed cell wall defects, suggesting that the loss of phosphatase activity in these strains is not due to the inactivati...

journal_title：Archives of microbiology

authors： Loppes R,Deltour R

更新日期：1975-05-05 00:00:00

abstract：:The effect of intestinal molecules produced by the host on the virulence of Pseudomonas fluorescens is poorly documented. In the present work, we evaluated the secretion of human β-defensin-2 (hBD-2) by enterocytes after infection with P. fluorescens (a species previously suggested to be involved in inflammatory bowel...

journal_title：Archives of microbiology

authors： Madi A,Alnabhani Z,Leneveu C,Mijouin L,Feuilloley M,Connil N

更新日期：2013-03-01 00:00:00

abstract：:Ostracods collected from shallow coral reefs in the Bahamas were found to exhibit blue light-stimulated orange fluorescence at night. Fluorescent spectra revealed the presence of orange fluorescence with a maximum emission at ~595 nm on the carapace of these ostracods, while scanning electron microscopy revealed a mor...

journal_title：Archives of microbiology

authors： Jarett J,Fiore C,Mazel C,Lesser M

更新日期：2013-09-01 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

authors： Kovachev SM

更新日期：2020-03-01 00:00:00

abstract：:Recently, a unique archaeal/bacterial community that grows in a macroscopically visible string-of-pearls-like structure in cold (~10 degrees C), sulfurous marsh water was discovered. Here, a new technique is described that allows the fast and reliable growth of these string-of-pearls-like microbial communities in larg...

journal_title：Archives of microbiology

authors： Moissl C,Rudolph C,Rachel R,Koch M,Huber R

更新日期：2003-09-01 00:00:00

abstract：:Acanthamoeba spp. consists of free-living amoebae, widespread in nature, which occasionally can cause human infections including granulomatous amoebic encephalitis and amoebic keratitis. Acanthamoeba pathogenesis is not entirely known and correlations between pathogenic potential and taxonomy are complex issues. In or...

journal_title：Archives of microbiology

authors： da Rocha-Azevedo B,Costa e Silva-Filho F

更新日期：2007-11-01 00:00:00

abstract：:Thermotoga hypogea is an extremely thermophilic anaerobic bacterium capable of growing at 90 degrees C. It uses carbohydrates and peptides as carbon and energy sources to produce acetate, CO(2), H(2), L-alanine and ethanol as end products. Alcohol dehydrogenase activity was found to be present in the soluble fraction ...

journal_title：Archives of microbiology

authors： Ying X,Wang Y,Badiei HR,Karanassios V,Ma K

更新日期：2007-06-01 00:00:00

abstract：:The radiation resistant bacteria Micrococcus radiophilus and M. radioproteolyticus were studied by thin sectioning and freez-etching techniques and the two species were found to be similar in the fine structure. The only significant difference was in the appearance of the surfaces of the cell walls in freeze-etched pr...

journal_title：Archives of microbiology

authors： Sleytr UB,Silva MT,Kocur M,Lewis NF

更新日期：1976-04-01 00:00:00

abstract：:Two ornithine carbamoyltransferases (OCT 1 and OCT 2) were isolated from Pseudomonas syringae pv. phaseolicola and purified by precipitation with ammonium sulfate, heat denaturation, chromatography on DEAE-Sephadex A-50 and Sephadex G-200. Molecular weights of both enzymes: 110,000; optimal activity: pH 8.5 to 9.5 (OC...

journal_title：Archives of microbiology

authors： Jahn O,Sauerstein J,Reuter G

更新日期：1987-03-01 00:00:00

abstract：:Insect and mite pests are damaging stressors that are threatening the cultivation of tea plants, which result in enormous crop loss. Over the years, the effectiveness of synthetic pesticides has allowed for its prominent application as a control strategy. However, the adverse effects of synthetic pesticides in terms o...

journal_title：Archives of microbiology

authors： Idris AL,Fan X,Muhammad MH,Guo Y,Guan X,Huang T

更新日期：2020-08-01 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

authors： Moreira LM,Da Costa MS,Sá-Correia I

更新日期：1997-08-01 00:00:00

abstract：:The control of pyrimidine nucleotide formation in the bacterium Pseudomonas aurantiaca ATCC 33663 by pyrimidines was studied. The activities of the pyrimidine biosynthetic pathway enzymes were investigated in P. aurantiaca ATCC 33663 cells and from cells of an auxotroph lacking orotate phosphoribosyltransferase activi...

journal_title：Archives of microbiology

authors： Domakonda A,West TP

更新日期：2020-08-01 00:00:00

abstract：:Saccharomyces cerevisiae mutants unable to grow at ethanol concentrations at which the wild type strain S288C does grow, have been isolated. Some of them show additional phenotypic alterations in colony size, temperature sensitivity and viability in ethanol, which cosegregate with the growth sensitivity in ethanol. 21...

journal_title：Archives of microbiology

authors： Aguilera A,Benítez T

更新日期：1986-01-01 00:00:00

abstract：:Peptidoglycan of Corynebacterium species Co 112 (DSM 20606) exhibits an unknown amino acid. The amino acid was isolated from cell wall hydrolysates and identified as threo-beta-hydroxyornithine. This amino acid is found in the interpeptide bridge of the peptidoglycan of Corynebacterium sp. Co 112. The primary structur...

journal_title：Archives of microbiology

authors： Schleifer KH,Hayn I,Seidl HP,Firl J

更新日期：1983-06-01 00:00:00

abstract：:A Gram-staining-negative, non-spore-forming, non-flagellated, rod-shaped, catalase- and oxidase-negative bacterium, designated as Gsoil 193(T), was isolated from the soil of ginseng field in Pocheon province, South Korea. 16S rRNA gene sequence analysis showed that strain Gsoil 193(T) belonged to family Xanthomonadace...

journal_title：Archives of microbiology

authors： Siddiqi MZ,Im WT

更新日期：2016-08-01 00:00:00

abstract：:The spectroscopic properties of stigma inside green and dark-grown cells and of isolated stigma globules have been studied by means of a microspectrophotometer build in the Laboratory. On the base of these results and of the analysis of the absorption spectra of a stigma suspension, cell suspension and the cell methan...

journal_title：Archives of microbiology

authors： Benedetti PA,Bianchini G,Checcucci A,Ferrara R,Grassi S

更新日期：1976-12-01 00:00:00

abstract：:Glucose and other sugars, such as galactose or maltose, are able to cause carbon catabolite repression in Saccharomyces cerevisiae. Although glycolytic intermediates have been suggested as signal for repression, no evidence for such a control mechanism is available. The establishment of a correlation between levels of...

journal_title：Archives of microbiology

authors： Belinchón MM,Gancedo JM

更新日期：2003-10-01 00:00:00

abstract：:The ability of Klebsiella oxytoca NRRL-B199 to use either lactose or the mixture of glucose and galactose as substrate for the production of 2,3-butanediol was studied in batch fermentations with different conditions of aeration and pH. 2,3-butanediol was undetected, or present in minute concentration in the fermentat...

journal_title：Archives of microbiology

authors： Champluvier B,Decallonne J,Rouxhet PG

更新日期：1989-01-01 00:00:00

abstract：:The effects of the Ca(2+)/H(+) exchanger A23187 and the K(+)/H(+) exchanger nigericin, the electrogenic membrane-potential depleters valinomycin and CCCP, and the calcium channel blockers ruthenium red, nifedipine, and nitrendipine on the apical growth of Phycomyces blakesleeanus were analyzed. While all of the compou...

journal_title：Archives of microbiology

authors： Ruiz-Herrera J,Martínez-Cadena G,Loarca F,Salcedo-Hernández R

更新日期：2003-12-01 00:00:00

abstract：:Two intestinal bacterial strains MT4s-5 and MT42 involved in the degradation of (-)-epigallocatechin (EGC) were isolated from rat feces. Strain MT4s-5 was tentatively identified as Adlercreutzia equolifaciens. This strain converted EGC into not only 1-(3, 4, 5-trihydroxyphenyl)-3-(2, 4, 6-trihydroxyphenyl)propan-2-ol ...

journal_title：Archives of microbiology

authors： Takagaki A,Kato Y,Nanjo F

更新日期：2014-10-01 00:00:00

abstract：:CO2 is required continuously during germination of Streptomyces viridochromogenes spores. Spores incubated in a defined germination medium in the absence of CO2 remain phase bright and do not release spore carbon. In the presence of CO2, the spores initiate germination accompanied by loss of refractility and spore car...

journal_title：Archives of microbiology

authors： Grund AD,Ensign JC

更新日期：1978-09-01 00:00:00

abstract：:Autotrophic cultures of the facultative chemolithotroph Alcaligenes eutrophus have been found to excrete glycollate. This excretion was greatly stimulated by the incorporation of up to 20% (v/v) oxygen in the hydrogen used for gassing. The stimulatory effect of oxygen was prevented by the addition of 10% (v/v) CO2 to ...

journal_title：Archives of microbiology

authors： Codd GA,Bowien B,Schlegel HG

更新日期：1976-11-02 00:00:00

abstract：:Mycoplasma pneumoniae and Mycoplasma genitalium are important causative agents of infections in humans. Like all other mycoplasmas, these species possess genomes that are significantly smaller than that of other prokaryotes. Moreover, both organisms possess an exceptionally compact set of DNA recombination and repair-...

journal_title：Archives of microbiology

authors： Hakim MS,Annisa L,Jariah ROA,Vink C

更新日期：2020-09-24 00:00:00

abstract：:Xanthan-deficient mutants of Xanthomonas axonopodis pv. citri, the bacterium responsible for citrus canker, were generated by deletion and marker exchange of the region encoding the carboxy-terminal end of the first glycosyltransferase, GumD. Mutants of gumD did not produce xanthan and remained pathogenic in citrus pl...

journal_title：Archives of microbiology

authors： Dunger G,Relling VM,Tondo ML,Barreras M,Ielpi L,Orellano EG,Ottado J

更新日期：2007-08-01 00:00:00

abstract：:In Lactobacillus casei BL23, phosphofructokinase activity was higher in cells utilizing sugars transported by the phosphoenolpyruvate:sugar phosphotransferase system (PTS). The phosphofructokinase gene (pfk) was cloned from L. casei and shown to be clustered with the gene encoding pyruvate kinase (pyk). pfk and pyk ge...

journal_title：Archives of microbiology

authors： Viana R,Pérez-Martínez G,Deutscher J,Monedero V

更新日期：2005-09-01 00:00:00

abstract：:Aquaspirillum magnetotacticum MS-1 cells cultured microaerobically (dissolved O2 tension 1% of saturation), expressed proteins with superoxide dismutase (SOD) activity. The majority (roughly 95%) of total cell superoxide dismutase activity was located in the cell periplasm with little or no activity in the cell cytopl...

journal_title：Archives of microbiology

authors： Short KA,Blakemore RP

更新日期：1989-01-01 00:00:00