hoxX (hypX) is a functional member of the Alcaligenes eutrophus hyp gene cluster.

abstract：:The presence of one periplasmic [NiFe] hydrogenase, one periplasmic [Fe] hydrogenase, and one cytoplasmic NADP-reducing hydrogenase has been previously established in Desulfovibrio fructosovorans. In the present work, marker-exchange mutagenesis was performed to determine the function of the tetrameric NADP-reducing h...

journal_title：Archives of microbiology

authors： Malki S,De Luca G,Fardeau ML,Rousset M,Belaich JP,Dermoun Z

更新日期：1997-01-01 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：:YfkE, a protein from Bacillus subtilis, exhibits homology to the Ca(2+):Cation Antiporter (CaCA) Family. In a fluorescence-based assay of everted membrane vesicles prepared from Na(+)(Ca(2+))/H(+) antiporter-defective mutant Escherichia coli KNabc, YfkE exhibited robust Ca(2+)/H(+) antiport activity, with a K (m) for ...

journal_title：Archives of microbiology

authors： Fujisawa M,Wada Y,Tsuchiya T,Ito M

更新日期：2009-08-01 00:00:00

abstract：:Video-enhanced light microscopy of the apical and subapical regions of growing hyphae of several fungal species revealed the existence of momentary synchronized motions of subcellular organelles. First discovered in a temperature-sensitive morphological mutant (ramosa-1) of Aspergillus niger, these seemingly spontaneo...

journal_title：Archives of microbiology

authors： Reynaga-Peña CG,Bartnicki-García S

更新日期：2005-05-01 00:00:00

abstract：:The most important tools in killing and overcoming on the microbes and pathogens that cause diseases in medicine and/or in agriculture are the antibiotics. The discovery and synthesis of the microbial natural products or antibiotics has greatly developed genetically and biotechnologically quickly in the last decades. ...

journal_title：Archives of microbiology

authors： Arafat HH,Abu-Tahon MA,Isaac GS

更新日期：2020-10-19 00:00:00

abstract：:The distribution of sex pheromone induced aggregation substance was studied on the cell surface of various Enterococcus faecalis strains. In the accompanying paper we have shown that the aggregation substance appears as a layer of hairlike structures. Using direct and indirect immunogold technique, transmission electr...

journal_title：Archives of microbiology

authors： Wanner G,Formanek H,Galli D,Wirth R

更新日期：1989-01-01 00:00:00

abstract：:Respiratory NADH oxidation in the rumen bacterium Prevotella bryantii is catalyzed by the Na+-translocating NADH:quinone oxidoreductase (NQR). A method for cell disruption and membrane isolation of P. bryantii under anoxic conditions using the EmulisFlex-C3 homogenizer is described. We compared NQR activity and protei...

journal_title：Archives of microbiology

authors： Schleicher L,Fritz G,Seifert J,Steuber J

更新日期：2020-07-01 00:00:00

abstract：:L-(+)-lactate dehydrogenase (LDH) from Staphylococcus epidermidis ATCC 14990 was purified by affinity chromatography. The purified enzyme was specifically activated by fructose-1,6-diphosphate (FDP). The concentration of FDP required for 50% maximal activity was about 0.15 mM. The enzyme activity was inhibited by aden...

journal_title：Archives of microbiology

authors： Götz F,Schleifer KH

更新日期：1975-11-07 00:00:00

abstract：:The diversity of eukaryotic populations, in particular protozoa, in the water supplies of intensively reared broilers has not been previously studied. This important food-rearing environment was screened for the molecular diversity of eukaryotes by the analysis of PCR-amplified 18S rRNA. DNA was extracted from filtere...

journal_title：Archives of microbiology

authors： Snelling WJ,McKenna JP,Hack CJ,Moore JE,Dooley JS

更新日期：2006-07-01 00:00:00

abstract：:Gas chromatography-mass spectrometry studies of the nitrogen isotopic composition of the N-trifluoroacetyl n-butyl ester derivatives of the amino acids from isolated hydrolyzed cyanophycin from 15N-enriched cells led to two major findings: (1) the amino acid composition of this granular polypeptide, isolated using pro...

journal_title：Archives of microbiology

authors： Merritt MV,Sid SS,Mesh L,Allen MM

更新日期：1994-01-01 00:00:00

abstract：:This study describes two Bradyrhizobium strains, UFLA03-164T and UFLA03-153, which share more than 99% sequence similarity of the 16S rRNA with the type strains of 15 species in this genus. The concatenation of three housekeeping genes (recA, gyrB, and dnaK) indicated that both strains formed a single clade separate f...

journal_title：Archives of microbiology

authors： Cabral Michel D,Azarias Guimarães A,Martins da Costa E,Soares de Carvalho T,Balsanelli E,Willems A,Maltempi de Souza E,de Souza Moreira FM

更新日期：2020-07-01 00:00:00

abstract：:The biosynthesis of two flavoproteins, 6-hydroxy-D-nicotine oxidase with covalently bound FAD and 6-hydroxy-L-nicotine oxidase containing non-covalently bound FAD, was studied in wild-type cells and in a riboflavin-requiring mutant of Arthrobacter oxidans. In the mutant cells, the rate of synthesis and the maximal act...

journal_title：Archives of microbiology

authors： Hamm HH,Decker K

更新日期：1978-10-04 00:00:00

abstract：:Organic acid production including lactate and acetate is an economically attractive technology that has gained momentum worldwide over the past years. These series of action need to be performed by an esoteric and complex microbial community, in which different members have distinct roles in the establishment of a col...

journal_title：Archives of microbiology

authors： Ali N,Gong H,Giwa AS,Yuan Q,Wang K

更新日期：2019-11-01 00:00:00

abstract：:Acinetobacter strain IVS-B aerobically grows on isovalerate as sole carbon and energy source. Isovalerate is metabolised via isovaleryl-CoA, an intermediate of the oxidative (S)-leucine degradation pathway. A 3-methylglutaconyl-CoA hydratase (EC 4.2.1.18) was purified 65-fold to apparent homogeneity from cell-free ext...

journal_title：Archives of microbiology

authors： Mack M,Liesert M,Zschocke J,Peters V,Linder D,Buckel W

更新日期：2006-05-01 00:00:00

abstract：:TonB-dependent receptors in concert with the TonB-ExbB-ExbD protein complex are responsible for the uptake of iron and substances such as vitamin B12 in several bacterial species. In this study, Tn5 mutagenesis of the sugarcane endophytic bacterium Gluconacetobacter diazotrophicus led to the isolation of a mutant with...

journal_title：Archives of microbiology

authors： de Paula Soares C,Rodrigues EP,de Paula Ferreira J,Simões Araújo JL,Rouws LF,Baldani JI,Vidal MS

更新日期：2015-03-01 00:00:00

abstract：:Differences in the rumen bacterial community have been previously reported for Soay sheep housed under different day length conditions. This study extends this previous investigation to other organs of the digestive tract, as well as the analysis of ciliated protozoa and anaerobic fungi. The detectable concentrations ...

journal_title：Archives of microbiology

authors： Thomas NA,Olvera-Ramírez AM,Abecia L,Adam CL,Edwards JE,Cox GF,Findlay PA,Destables E,Wood TA,McEwan NR

更新日期：2019-09-01 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：:We report on the genome-wide response, based on DNA microarrays, of the cyanobacterium Synechocystis sp. PCC 6803 wild type and DeltasigB to a 15 min heat shock. Approximately 9% of the genes in wild type and DeltasigB were significantly regulated (P < 0.001) following this treatment, with chaperones induced the most....

journal_title：Archives of microbiology

authors： Singh AK,Summerfield TC,Li H,Sherman LA

更新日期：2006-10-01 00:00:00

abstract：:Exoglucanase (exo-1,3-beta-D-glucan glycohydrolase, EC 3.2.1.56) activity secreted by Saccharomyces cerevisiae into the culture medium was separated by ion exchange chromatography into two glycoprotein isoenzymes which contributed 10% (exoglucanase I) and 90% (exoglucanase II) towards the total activity. Analysis of t...

journal_title：Archives of microbiology

authors： Ramírez M,Hernández LM,Larriba G

更新日期：1989-01-01 00:00:00

abstract：:We introduced into Rhizobium leguminosarum bv. viciae LPR1105 a new pathway for the biosynthesis of the auxin, indole-3-acetic acid (IAA), under the control of a stationary phase-activated promoter active both in free-living bacteria and bacteroids. The newly introduced genes are the iaaM gene from Pseudomonas savasta...

journal_title：Archives of microbiology

authors： Camerini S,Senatore B,Lonardo E,Imperlini E,Bianco C,Moschetti G,Rotino GL,Campion B,Defez R

更新日期：2008-07-01 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：: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：:Methanobacterium thermoautotrophicum growing on H2 plus CO2 as sole carbon and energy source was found to contain acetate thiokinase (Acetyl CoA synthetase; EC 6.2.1.1); Acetate + ATP + CoA leads to Acetyl CoA + AMP + PPi. The apparent Km value for acetate was 40 microM. Acetate kinase (EC 2.7.2.1) and phosphotransace...

journal_title：Archives of microbiology

authors： Oberlies G,Fuchs G,Thauer RK

更新日期：1980-12-01 00:00:00

abstract：:Cellulomonas uda (DSM 20108/ATCC 21399) is one of the few described cellulolytic facultative anaerobes. Based on these characteristics, we initiated a physiological study of C. uda with the aim to exploit it for cellulase production in simple bioreactors with no or sporadic aeration. Growth, cellulase activity and fer...

journal_title：Archives of microbiology

authors： Poulsen HV,Willink FW,Ingvorsen K

更新日期：2016-10-01 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：:Chromate resistance in Ralstonia metallidurans CH34 is based on chromate efflux catalyzed by ChrA efflux pumps. The bacterium harbors two chromate resistance determinants, the previously known chr(1) on plasmid pMOL28 (genes chrI, chrB(1), chrA(1), chrC, chrE, chrF(1)) and chr(2) on the chromosome (genes chrB(2), chrA...

journal_title：Archives of microbiology

authors： Juhnke S,Peitzsch N,Hübener N,Grosse C,Nies DH

更新日期：2002-12-01 00:00:00

abstract：:Bacteriophages rapidly diversify their genes through co-evolution with their hosts. We hypothesize that gene diversification of phages leads to locality in phages genome. To test this hypothesis, we investigated the genetic diversity and composition of Microcystis cyanophages using 104 sequences of Ma-LMM01-type cyano...

journal_title：Archives of microbiology

authors： Nakamura G,Kimura S,Sako Y,Yoshida T

更新日期：2014-06-01 00:00:00

abstract：:The synthesis of the luminous system of the marine luminous bacterium Photobacterium fischeri is subject to a complex, self-regulated control system called autoinduction. The bacteria produce an autoinducer which accumulates in the medium at a constant rate (as a function of cell growth). When autoinducer reaches a cr...

journal_title：Archives of microbiology

authors： Nealson KH

更新日期：1977-02-04 00:00:00

abstract：:The association of nucleoside triphosphate molecules and calcium ions with purified particles of mycobacteriophage 13 has been documented. The content of nucleoside triphosphate has been determined to be 118 molecules per phage particle by equilibrium dialysis against labelled ATP or 148 molecules per phage particle b...

journal_title：Archives of microbiology

authors： Karnik SS,Gopinathan KP

更新日期：1981-09-01 00:00:00

abstract：:An unique isotope labelling experiment was conducted whereby mixtures of sulfate and sulfite of different isotopic compositions were metabolized by Clostridium pasteurianum. The results showed during reduction of 1 mM SO3= plus 1 mM SO4=, essentially all evolved H2S arose from the sulfite whereas in the case of cellul...

journal_title：Archives of microbiology

authors： McCready RG,Laishley EJ,Krouse HR

更新日期：1976-09-01 00:00:00