Abstract：
:Coenzyme F420 is a 8-hydroxy-5-deazaflavin present in methanogenic bacteria. We have investigated whether the pyrimidine ring of the deazaflavin originates from guanine as in flavin biosynthesis, in which the pyrimidine ring of guanine is conserved. For this purpose the incorporation of [2-14C]guanine and of [8-14C]guanine into F420 by growing cultures of Methanobacterium thermoautotrophicum was studied. Only in the case of [2-14C]guanine did F420 become labeled. The specific radioactivity of the deazaflavin and of guanine isolated from nucleic acids of [2-14C]guanine grown cells were identical. This finding suggests that the pyrimidine ring of the deazaflavin and of flavins are synthesized by the same pathway. F420 did not become labeled when M. thermoautotrophicum was grown in the presence of methyl-[14C]methionine, [U-14C]phenylalanine or [U-14C]tyrosine. This excludes that C-5 of the deazaflavin is derived from the methyl group of methionine and that the benzene ring comes from phenylalanine or tyrosine.
journal_name
Arch Microbioljournal_title
Archives of microbiologyauthors
Jaenchen R,Schönheit P,Thauer RKdoi
10.1007/BF00410735subject
Has Abstractpub_date
1984-04-01 00:00:00pages
362-5issue
4eissn
0302-8933issn
1432-072Xjournal_volume
137pub_type
杂志文章abstract：:In the Tat protein export pathway of Gram-negative bacteria, TatA and TatB are homologous proteins that carry out distinct and essential functions in separate sub-complexes. In contrast, Gram-positive Tat systems usually lack TatB and the TatA protein is bifunctional. We have used a mutagenesis approach to delineate T...
journal_title：Archives of microbiology
pub_type： 杂志文章
doi：10.1007/s00203-011-0699-4
更新日期：2011-08-01 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
pub_type： 杂志文章,评审
doi：10.1007/s00203-020-01862-7
更新日期：2020-08-01 00:00:00
abstract：:The ability of the imperfect soil fungus Paecilomyces lilacinus to transform the environmental pollutant dibenzofuran was investigated. Transformation of dibenzofuran and related derivatives lead to 14 products, which were identified by UV spectroscopy, mass spectrometry, and proton nuclear magnetic resonance spectros...
journal_title：Archives of microbiology
pub_type： 杂志文章
doi：10.1007/s00203-004-0695-z
更新日期：2004-09-01 00:00:00
abstract：:Clostridium aminobutyricum ferments 4-aminobutyrate via succinic semialdehyde, 4-hydroxybutyrate, 4-hydroxybutyryl-CoA and crotonyl-CoA to acetate and butyrate. The genes coding for the enzymes that catalyse the interconversion of these intermediates are arranged in the order abfD (4-hydroxybutyryl-CoA dehydratase), a...
journal_title：Archives of microbiology
pub_type： 杂志文章
doi：10.1007/s002030000195
更新日期：2000-09-01 00:00:00
abstract：:A Gram-reaction-negative, facultatively anaerobic bacterium, designated SAP-19T, was isolated from sap extracted from Acer pictum in Mt. Halla in Jeju, Republic of Korea and its taxonomic statue was investigated by a polyphasic approach including genome- and 16S rRNA gene-based phylogenetic analyses. Cells were motile...
journal_title：Archives of microbiology
pub_type： 杂志文章
doi：10.1007/s00203-020-01961-5
更新日期：2020-11-01 00:00:00
abstract：:The divergently transcribed sulfur oxidation (sox) operon of a sulfur chemolithotrophs, Pseudaminobacter salicylatoxidans KCT001, comprising sox TRS-VW-XYZABCD, is regulated by a repressor (SoxR). SoxR binds to two disparate operators, sv (present in between soxS and soxV) and wx (present in between soxW and soxX). He...
journal_title：Archives of microbiology
pub_type： 杂志文章
doi：10.1007/s00203-012-0808-z
更新日期：2012-09-01 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
pub_type： 杂志文章
doi：10.1007/s00203-012-0865-3
更新日期：2013-03-01 00:00:00
abstract：:Inorganic polyphosphate (iPoP)-linear chains of up to hundreds of phosphate residues-is ubiquitous in nature and appears to be involved in many different cellular processes. In Saccharomyces cerevisiae, iPoP has been detected in high concentrations, especially after transfer of phosphate-deprived cells to a high-phosp...
journal_title：Archives of microbiology
pub_type： 杂志文章
doi：10.1007/s00203-005-0031-2
更新日期：2005-11-01 00:00:00
abstract：:The set of physiological and metabolic changes occurring immediately after inoculation and during the lag phase is thought to be of vital importance for optimal offset of fermentation. The transcriptional changes taking place during the lag phase after inoculation of a late-respiratory-phase yeast culture into fresh, ...
journal_title：Archives of microbiology
pub_type： 杂志文章
doi：10.1007/s00203-003-0527-6
更新日期：2003-04-01 00:00:00
abstract：:BvgAS is a two-component system of Bordetella pertussis involved in the reciprocal regulation of the virulence genes and the flagellar biosynthesis. In this study, we found that expression of bvgAS in Escherichia coli also results in reduced motility. The repression was relieved by the addition of known chemical modul...
journal_title：Archives of microbiology
pub_type： 杂志文章
doi：10.1007/s002030050688
更新日期：1999-01-01 00:00:00
abstract：:Mannoproteins from cell walls of Saccharomyces cerevisiae synthesized at successive stages of the population growth cycle have been solubilized with Zymolyase and subsequently analyzed. The major change along the population cycle concerned a large size mannoprotein material; the size of the newly-synthesized molecules...
journal_title：Archives of microbiology
pub_type： 杂志文章
doi：10.1007/BF00425354
更新日期：1987-07-01 00:00:00
abstract：:Essential oils (EOs) are products of plant origin and include mixtures of different chemical compounds. These volatile substances have many interesting properties, including antifungal properties. Fungi may develop under field conditions on crops such as wheat or corn and are able to synthesize mycotoxins, which adver...
journal_title：Archives of microbiology
pub_type： 杂志文章
doi：10.1007/s00203-019-01673-5
更新日期：2019-10-01 00:00:00
abstract：:P1B-type ATPases are involved in heavy metal transport across the plasma membrane. Some Mycobacterium tuberculosis P-type ATPases are induced during infection, suggesting that this type of transporter could play a critical role in mycobacterial survival. To date, the ion specificity of M. tuberculosis heavy metal-tran...
journal_title：Archives of microbiology
pub_type： 杂志文章
doi：10.1007/s00203-017-1465-z
更新日期：2018-04-01 00:00:00
abstract：:In yeasts, several sensing systems localized to the plasma membrane which transduce information regarding the availability and quality of nitrogen and carbon sources and work in parallel with the intracellular nutrient-sensing systems, regulate the expression and activity of proteins involved in nutrient uptake and ut...
journal_title：Archives of microbiology
pub_type： 杂志文章
doi：10.1007/s00203-005-0022-3
更新日期：2005-11-01 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
pub_type： 杂志文章
doi：10.1007/s00203-005-0771-z
更新日期：2005-05-01 00:00:00
abstract：:The applicability of flow-microfluorometer to separate microbial cells was demonstrated with algal and bacterial cells. Algal mixtures were sorted according to the natural chlorophyll fluorescence and the bacterial mixtures were sorted according to the fluorescence of ethidium bromide-stained nucleic acid. ...
journal_title：Archives of microbiology
pub_type： 杂志文章
doi：10.1007/BF00423075
更新日期：1979-03-12 00:00:00
abstract：:Methanotrophs are ubiquitous in the environment and play an important role in mitigating global warming due to methane. They are also potentially interesting for industrial applications such as production of bulk chemicals or bioremediation. The first step in the oxidation of methane is the conversion to methanol by m...
journal_title：Archives of microbiology
pub_type： 杂志文章,评审
doi：10.1007/s002030000158
更新日期：2000-05-01 00:00:00
abstract：:A novel gram-negative, aerobic, non-spore-forming, rod-shaped and non-nitrogen fixing bacterium named strain 24NRT was isolated from wild Lilium pumilum bulbs in Fuping, Baoding City, Hebei province, PR China. The 16S rRNA gene sequences of strains 24NRT showed the highest similarity to Neorhizobium alkalisoli DSM 218...
journal_title：Archives of microbiology
pub_type： 杂志文章
doi：10.1007/s00203-019-01774-1
更新日期：2020-04-01 00:00:00
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
pub_type： 杂志文章
doi：10.1007/s00203-016-1304-7
更新日期：2017-03-01 00:00:00
abstract：:The pathway construction and allosteric regulation of phenylalanine and tyrosine biosynthesis was examined in Neisseria gonorrhoeae. A single 3-deoxy-D-arabino-heptulosonate 7-phosphate (DAHP) synthase enzyme sensitive to feedback inhibition by L-phenylalanine was found. Chorismate mutase and prephenate dehydratase ap...
journal_title：Archives of microbiology
pub_type： 杂志文章
doi：10.1007/BF00425071
更新日期：1987-01-01 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
pub_type： 杂志文章
doi：10.1007/s00203-014-1006-y
更新日期：2014-10-01 00:00:00
abstract：:DNA sequence analysis of the structural urease genes from Staphylococcus xylosus revealed that three enzyme subunits are encoded in the order of 11,000, 15,400 and 61,000 (mol. mass), which correspond to the single polypeptide chain of jack bean urease (90,800). Comparing the deduced amino acid sequence of S. xylosus ...
journal_title：Archives of microbiology
pub_type： 杂志文章
doi：10.1007/BF00288947
更新日期：1994-01-01 00:00:00
abstract：:In a soil/sediment model system we have shown recently that a gram-positive bacterium with natural competence (Bacillus subtilis) can take up transforming DNA adsorbed to sand minerals. Here we examined whether also a naturally transformable soil bacterium of the gram-negative pseudomonad (Pseudomonas stutzeri) can be...
journal_title：Archives of microbiology
pub_type： 杂志文章
doi：10.1007/BF00276535
更新日期：1990-01-01 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
pub_type： 杂志文章
doi：10.1007/BF00527071
更新日期：1981-09-01 00:00:00
abstract：:Mangrove sediment-associated bacteria are of significantly important in the field of medicine and pharmaceuticals as new promising sources of biologically active pharmacophores due to the extreme conditions, such as high salt concentration and soil anoxia. The sediment bacteria associated with Acanthus ilicifolius and...
journal_title：Archives of microbiology
pub_type： 杂志文章
doi：10.1007/s00203-020-01999-5
更新日期：2021-01-01 00:00:00
abstract：:The induction of the enzyme activities involved in butane metabolism in Pseudomonas butanovora was characterized. P. butanovora was grown on butane or its metabolites, both singly and in mixtures with other growth substrates. Cells grown in each of the butane metabolites readily consumed the growth substrate and downs...
journal_title：Archives of microbiology
pub_type： 杂志文章
doi：10.1007/s002030100304
更新日期：2001-07-01 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
pub_type： 杂志文章
doi：10.1007/s00203-020-02085-6
更新日期：2020-10-19 00:00:00
abstract：:Synthetic biology, the design and synthesis of synthetic biological systems from DNA to whole cells, has provided us with the ultimate tools for space exploration and colonisation. Herein, we explore some of the most significant advances and future prospects in the field of synthetic biology, in the context of astrobi...
journal_title：Archives of microbiology
pub_type： 信件
doi：10.1007/s00203-019-01651-x
更新日期：2019-08-01 00:00:00
abstract：:Effects of different flavonoids on various bacterial strains have been extensively reported; however, the mechanism(s) of their action on bacterial cells remain largely elusive. In this study, the antibacterial mechanism of soybean isoflavone (SI) on Staphylococcus aureus is systematically investigated using 4'6-diami...
journal_title：Archives of microbiology
pub_type： 杂志文章
doi：10.1007/s00203-010-0617-1
更新日期：2010-11-01 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
pub_type： 杂志文章
doi：10.1007/s00203-006-0095-7
更新日期：2006-05-01 00:00:00
