نتایج جستجو برای: bacillus megaterium
تعداد نتایج: 56310 فیلتر نتایج به سال:
In low-GC Gram-positive bacteria, carbon catabolite repression (CCR) is exerted by transcriptional regulation through a protein complex consisting of catabolite control protein CcpA and serine phosphorylated phosphocarrier protein HPr (HPr-ser-P). We investigated the interaction between these components of Lactobacillus casei and Bacillus megaterium. CcpA of L. casei could not complement a B. m...
A 16 kb DNA fragment has been isolated from a Bacillus megaterium genomic library and fully sequenced. The fragment contains 15 open reading frames, 14 of which are thought to constitute a B. megaterium cobalamin biosynthetic (cob) operon. Within the operon, 11 genes display similarity to previously identified Salmonella typhimurium cobalamin biosynthetic genes (cbiH60, -J, -C, -D, -ET, -L, -F,...
An artificial microbial community consisted of Ketogulonicigenium vulgare and Bacillus megaterium has been used in industry to produce 2-keto-gulonic acid (2-KGA), the precursor of vitamin C. During the mix culture fermentation process, sporulation and cell lysis of B. megaterium can be observed. In order to investigate how these phenomena correlate with 2-KGA production, and to explore how two...
BACKGROUND Fourier transform infrared spectroscopy (FTIR) has been used as analytical tool in chemistry for many years. In addition, FTIR can also be applied as a rapid and non-invasive method to detect and identify microorganisms. The specific and fingerprint-like spectra allow - under optimal conditions - discrimination down to the species level. The aim of this study was to develop a fast an...
As part of a screening program aimed at the discovery of new lead compounds for the treatment of oral diseases, probiotic Bacillus megaterium isolated from fish gut was studied for its anticaries activity. Our objective is to enumerate the antibacterial effect of Bacillus megaterium against the dental caries causing micro organism Streptococcus mutans. Agar well diffusion to determine Zone of i...
Lignin is the second most abundant renewable biopolymer in nature after cellulose, yet it is degraded by only a small number of microorganisms. Ligninolytic enzymes are involved in the degradation of the complex and recalcitrant polymer lignin. This group of enzymes are highly versatile in nature and they find application in a wide variety of industries. In the present study lignin peroxidase p...
Feather keratin is highly resistant to degradation, but some keratinase producing microorganisms can easily degrade these insoluble keratins. These keratinase producing species have an important application in removal of poultry waste and recycled into valuable byproduct. A feather-degrading bacterium with high keratinase activity was isolated and identified as Bacillus megaterium (A1). The sel...
Siphophage Staley was isolated because of its ability to grow on Bacillus megaterium. Here we report the complete genome and annotation of phage Staley and describe core features. Among its interesting genes is one encoding an SleB germination protein.
Bacilli are genetically and physiologically diverse, ranging from innocuous to highly pathogenic. Here, we present annotated genome assemblies for 20 strains belonging to Bacillus anthracis, B. atrophaeus, B. cereus, B. licheniformis, B. macerans, B. megaterium, B. mycoides, and B. subtilis.
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