Accumulation of pyrophosphate in Escherichia coli. Relationship to growth and nucleotide synthesis.

abstract：:This study compared rhizobacterial communities in pepper greenhouses under a paddy-upland (rice-pepper) rotational system (PURS) and a monoculture repeated cropping system (RCS) and examined adverse effects of high salinity on soil properties. The following soil properties were analyzed: electrical conductivity (EC), ...

journal_title：Archives of microbiology

authors： Hahm MS,Son JS,Kim BS,Ghim SY

更新日期：2017-03-01 00:00:00

abstract：:The functional pmoA gene is frequently used to probe the diversity and phylogeny of methane-oxidizing bacteria (MOB) in various environments. Here, we compared the similarities between the pmoA gene and the corresponding 16S rRNA gene sequences of 77 described species covering gamma- and alphaproteobacterial methanotr...

journal_title：Archives of microbiology

authors： Wen X,Yang S,Liebner S

更新日期：2016-09-01 00:00:00

abstract：:In studies on the membranlytic action of various saponins on mycelium of Botrytis cinerea and Rhizoctonia solani digitonin, alpha-hederin and tomatin caused considerable leakage of free amino acids, while aescin and theasaponin were less effective. Cyclamin significantly damaged cell membranes of R. solani, but did no...

journal_title：Archives of microbiology

authors： Segal R,Schlösser E

更新日期：1975-06-22 00:00:00

abstract：:A novel thermotolerant strain of the achlorophyllous micro-alga Prototheca was isolated from a hot spring. The isolate was found to produce an appreciable amount of ethanol and CO2 from glucose under anoxic conditions at both 25 and 40 degrees C; this type of alcohol fermentation has not yet been reported in the genus...

journal_title：Archives of microbiology

authors： Ueno R,Urano N,Suzuki M,Kimura S

更新日期：2002-03-01 00:00:00

abstract：:Rhodopseudomonas capsulata produces both an intermediate (I) and a large (L) form of ribulose-1,5-bisphosphate carboxylase/oxygenase. Both forms are derepressed under CO2-limiting conditions. The L-form of the enzyme is completely repressed when the culture is grown either photoautotrophically or photoheterotrophicall...

journal_title：Archives of microbiology

authors： Shively JM,Davidson E,Marrs BL

更新日期：1984-07-01 00:00:00

abstract：:Sporothrix schenckii is the etiological agent of sporotrichosis, a mycosis of humans and other mammals. Little is known about the responses of this thermodimorphic pathogen to perturbations in the cell wall (CW) by different stress conditions. Here we describe the effect of Congo Red (CR) on the fungal growth, morphog...

journal_title：Archives of microbiology

authors： Sánchez-López JF,González-Ibarra J,Macías-Segoviano JI,Cuéllar-Cruz M,Álvarez-Vargas A,Cano-Canchola C,López-Romero E

更新日期：2019-01-01 00:00:00

abstract：:Purified flagellar filaments isolated from six methanogens were composed of multiple flagellins. Two flagellins were present in Methanococcus deltae (Mr = 34,000 and 32,000), Methanoculleus marisnigri (Mr = 31,000 and 25,500) and Methanococcus jannaschii (Mr = 31,000 and 27,500), three in Methanothermus fervidus (Mr =...

journal_title：Archives of microbiology

authors： Kalmokoff ML,Koval SF,Jarrell KF

更新日期：1992-01-01 00:00:00

abstract：:A fromaldehyde oxidase activity was found in cellfree extracts of methanol-grown yeast Candida boidinii. Loss of alcohol oxidase activity in a mutant, 48, led to loss of the formaldehyde oxidase activity, indicating that the same enzyme is probably responsible for both activities. This could be demonstrated with the p...

journal_title：Archives of microbiology

authors： Sahm H

更新日期：1975-10-27 00:00:00

abstract：:The anaerobic fungus Piromyces sp. strain E2 produces extracellular cellulolytic enzymes present both in a high molecular mass (HMM) complex or as individual proteins. Although the HMM complex was present in the culture fluid during all growth stages, the highest amounts of complex were obtained when cultures were har...

journal_title：Archives of microbiology

authors： Dijkerman R,Op den Camp HJ,Van der Drift C,Vogels GD

更新日期：1997-02-01 00:00:00

abstract：:The differential gene transcription of a deep-sea bacterium Shewanella piezotolerans WP3 in response to cold shock was analyzed by RNA arbitrarily primed PCR. Ninety primer sets were used to scan two different RNA pools derived from the culture of cold shock and its control (culture at its optimal grown temperature). ...

journal_title：Archives of microbiology

authors： Li S,Xiao X,Sun P,Wang F

更新日期：2008-06-01 00:00:00

abstract：:The polymorphic GC-rich repetitive sequence (PGRS) found on the chromosome of Mycobacterium tuberculosis was characterized by means of mapping, cloning and sequencing. PGRS was present in at least 26 loci and consisted of many tandem repeats of the consensus sequence CGGCGGCAA. As the core of the consensus motif was t...

journal_title：Archives of microbiology

authors： Poulet S,Cole ST

更新日期：1995-02-01 00:00:00

abstract：:Curcumin is a yellow-orange compound derived from the root of Curcuma longa (Zingiberaceae family), that has been used as a medicine, spice and coloring agent. Curcumin has proved nontoxic in a number of cell culture and whole animal studies. Curcumin has, however, been reported to have bactericidal effects at very hi...

journal_title：Archives of microbiology

authors： Dahl TA,McGowan WM,Shand MA,Srinivasan VS

更新日期：1989-01-01 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：:The role of the genomic bipyrimidine nucleotide frequency in pyrimidine dimer formation caused by germicidal UV radiation was studied in three microbial reference organisms (Escherichia coli K12, Deinococcus radiodurans R1, spores and cells of Bacillus subtilis 168). The sensitive HPLC tandem mass spectrometry assay w...

journal_title：Archives of microbiology

authors： Moeller R,Douki T,Rettberg P,Reitz G,Cadet J,Nicholson WL,Horneck G

更新日期：2010-07-01 00:00:00

abstract：:Strain YIM B00363T, a Gram-positive, aerobic, non-motile, rod-shaped, spore-forming bacterium, was isolated from saline soil samples collected from a salt lake in Xinjiang province, north-west China, and was characterized using a polyphasic approach. The optimum growth temperature was 37 °C and the optimum pH was 7.5-...

journal_title：Archives of microbiology

authors： Yang L,Huang HW,Wang Y,Kou YR,Yin M,Li Y,Wang XQ,Zhao GF,Zhu WY,Tang SK

更新日期：2021-01-01 00:00:00

abstract：:Grasses of the Urochloa genus have been widely used in crop-livestock integration systems or as cover crops in no-till systems such as in rotation with maize. Some species of Urochloa have mechanisms to reduce nitrification. However, the responses of microbial functions in crop-rotation systems with grasses and its co...

journal_title：Archives of microbiology

authors： Rocha KF,Kuramae EE,Borges BMF,Leite MFA,Rosolem CA

更新日期：2020-09-01 00:00:00

abstract：:The hmc operon of Desulfovibrio vulgaris subsp. vulgaris Hildenborough consists of six genes (hmcA to hmcF) that encode structural components of the high-molecular-mass cytochrome redox protein complex (the Hmc complex). Two genes (rrf1 and rrf2) encoding regulatory proteins are present downstream of hmcF. Expression ...

journal_title：Archives of microbiology

authors： Keon RG,Fu R,Voordouw G

更新日期：1997-06-01 00:00:00

abstract：:An organism from a goldfish aquarium, isolated on barbital medium, was found to be a Gram-positive coccus which divided in alternating planes, often appearing as a doublet or as a tetrad with adjacent sides flattened. It grew well, although slowly, on rich solid medium (LB agar) and in liquid brain-heart infusion at r...

journal_title：Archives of microbiology

authors： Poston JM

更新日期：1993-01-01 00:00:00

abstract：:Although Campylobacter survives within amoeba in-vitro, it is unknown if intra-amoeba Campylobacter jejuni can colonize broilers. Five groups of 28 day-of-hatch chicks were placed into separate isolators. Groups (1) and (2) were challenged with page's amoeba saline (PAS), and disinfected planktonic C. jejuni NCTC 1116...

journal_title：Archives of microbiology

authors： Snelling WJ,Stern NJ,Lowery CJ,Moore JE,Gibbons E,Baker C,Dooley JS

更新日期：2008-02-01 00:00:00

abstract：:To address correlations between population sizes of microbes on the leaf surfaces and leaf morphological and physicochemical properties, various leaf morphological and physicochemical features as possible predictors of microbial population sizes on the leaf surfaces of four Napier grass cultivars were assessed. Result...

journal_title：Archives of microbiology

authors： Tang G,Xu L,Yin X,Hu Y,Tian J,Zhang J

更新日期：2021-01-01 00:00:00

abstract：:Double immunodiffusion tests were performed with crude extracts from various Micrococcus species and antisera against catalase of Micrococcus luteus CCM 169. Cell-free extracts of M. lylae ATCC 27566 exhibited good cross-reaction. Cell-free extracts or catalase enriched preparations of M. varians reacted very weakly a...

journal_title：Archives of microbiology

authors： Rupprecht M,Schleifer KH

更新日期：1977-07-26 00:00:00

abstract：:Bacillus cereus F4430/73 produced the highest levels of hemolysin BL (HBL) when grown under anaerobiosis in MOD medium. Anaerobic cells grown in a chemostat at low specific growth rate (0.1-0.2 h(-1)) expressed up to sevenfold more HBL than did cells held at a faster growth rate. At 0.2 h(-1), the presence of 90 mM gl...

journal_title：Archives of microbiology

authors： Duport C,Thomassin S,Bourel G,Schmitt P

更新日期：2004-09-01 00:00:00

abstract：:The gram-negative bacterium Myxobacter sp. AL-1 produces chitosanase-cellulase activity that is maximally excreted during the stationary phase of growth. Carboxymethylcellulase zymogram analysis revealed that the enzymatic activity was correlated with two bands of 32 and 35 kDa. Ion-exchange-chromatography-enriched pr...

journal_title：Archives of microbiology

authors： Pedraza-Reyes M,Gutiérrez-Corona F

更新日期：1997-10-01 00:00:00

abstract：:The sphere-rod-sphere morphology cycle of Arthrobacter crystallopoietes was accompanied by changes in the rate of growth and the rates of DNA, RNA and protein synthesis. The patterns of macromolecule synthesis resembled those found in other bacteria during a step-up followed by a step-down in growth rate. During the s...

journal_title：Archives of microbiology

authors： St John AC,Ensign JC

更新日期：1976-12-01 00:00:00

abstract：:The regulatory elements involved in expression of the gene (fdhF) for the selenopolypeptide of formate dehydrogenase and of a gene (or transcriptional unit) (hyd) specifically responsible for the formation of the gas-evolving hydrogenase (hydrogenase 3) in Escherichia coli were investigated. Formate (or a product of i...

journal_title：Archives of microbiology

authors： Birkmann A,Zinoni F,Sawers G,Böck A

更新日期：1987-06-01 00:00:00

abstract：:1. Culture filtrates of heterotrophic bacteria were tested for their stimulatory effect on nitrification of three strains of Nitrobacter. 2. Yeast extract-peptone solution, in which Pseudomonas fluorescens had grown, after removal of the cells was added to autotrophically growing cultures of Nitrobacter agilis; it cau...

journal_title：Archives of microbiology

authors： Steinmüller W,Bock E

更新日期：1976-07-01 00:00:00

abstract：:Over 2,800 Tn 5 insertion mutants of Salmonella enterica sv. Typhimurium were screened for the loss of ability to suppress the multiplication of a spectinomycin-resistant (Spc(r)) but otherwise isogenic S. enterica sv. Typhimurium strain, when the Spc(r) mutant was added to 24-h LB broth cultures of the mutants. Selec...

journal_title：Archives of microbiology

authors： Rychlik I,Martin G,Methner U,Lovell M,Cardova L,Sebkova A,Sevcik M,Damborsky J,Barrow PA

更新日期：2002-12-01 00:00:00

abstract：:The attachment of four species of bacteria to solid surfaces was investigated to determine whether the attachment of one species of bacterium could be influenced by the presence of other attaching or attached species. Three types of experiment were done: attachment of bacteria from suspensions containing two species (...

journal_title：Archives of microbiology

authors： McEldowney S,Fletcher M

更新日期：1987-06-01 00:00:00

abstract：:A temperature-sensitive mutant of Salmonella typhimurium was isolated earlier after transposon mutagenesis with Tn10d Tet. The mutant D220 grows well at 28 degreesC but has a lower growth rate and forms filaments at 37 degreesC. Transposon-flanking fragments of mutant D220 DNA were cloned and sequenced. The transposon...

journal_title：Archives of microbiology

authors： Brawer R,Batista FD,Burrone OR,Sordelli DO,Cerquetti MC

更新日期：1998-06-01 00:00:00

abstract：:Washed cells prepared from carbon-limited continuous cultures of Alcaligenes eutrophus synthesised poly-3-hydroxybutyrate (PHB) rapidly when supplied with glucose, DL-lactate or L-lactate. Unlike growing cultures, washed cells excreted significant amounts of pyruvate. The combined rates of PHB production (qPHB) and py...

journal_title：Archives of microbiology

authors： Henderson RA,Jones CW

更新日期：1997-12-01 00:00:00