CN
一般描述
Fluorescent In Situ Hybridization technique (FISH) is based on the hybridization of fluorescent labeled oligonucleotide probe to a specific complementary DNA or RNA sequence in whole and intact cells.1 Microbial FISH allows the visualization, identification and isolation of bacteria due to recognition of ribosomal RNA also in unculturable samples.2
The FISH technique was successfully used to identify E.coli with the probe in various samples such as pure culture (as described in the figure legends and11,13), large and small intestines samples14-16, fecal samples17-21, colonic biopsies18, urine samples, bladder, and kidney sections embedded in paraffin22 and in E.coli biofilm23. It is strongly recommended to include positive and negative controls in FISH assays to ensure specific binding of the probe of interest and appropriate protocol conditions. We offer positive (MBD0032/33) and negative control (MBD0034/35) probes, that accompany the specific probe of interest.
Escherichia coli is a gram negative, facultative aerobic, rod-shaped coliform bacterium. E. coli colonizes the infant gut within hours of birth and establishes itself as the most abundant facultative anaerobe of the human intestinal microflora for the remainder of life, equipped with the abilities to grow in the ever-changing environment in the gut and cope with the mammalian host interaction.8,9 Nevertheless, E. coli can survive in many different ecological habitats, including abiotic environments, and is considered a highly versatile species. Known habitats of E. coli include soil, water, sediment, and food. Some strains of E. coli have evolved and adapted to a pathogenic lifestyle and can cause different disease pathologies.10
Escherichia coli probe specifically recognizes Escherichia coli cells. Yet some reports describe the recognition of other bacteria with this probe, such as, Shigella boydii, Citrobacter davisae, Citrobacter lapagei, Citrobacter neteri11 and Klebsiella pneumoniae12.
The FISH technique was successfully used to identify E.coli with the probe in various samples such as pure culture (as described in the figure legends and11,13), large and small intestines samples14-16, fecal samples17-21, colonic biopsies18, urine samples, bladder, and kidney sections embedded in paraffin22 and in E.coli biofilm23. It is strongly recommended to include positive and negative controls in FISH assays to ensure specific binding of the probe of interest and appropriate protocol conditions. We offer positive (MBD0032/33) and negative control (MBD0034/35) probes, that accompany the specific probe of interest.
Escherichia coli is a gram negative, facultative aerobic, rod-shaped coliform bacterium. E. coli colonizes the infant gut within hours of birth and establishes itself as the most abundant facultative anaerobe of the human intestinal microflora for the remainder of life, equipped with the abilities to grow in the ever-changing environment in the gut and cope with the mammalian host interaction.8,9 Nevertheless, E. coli can survive in many different ecological habitats, including abiotic environments, and is considered a highly versatile species. Known habitats of E. coli include soil, water, sediment, and food. Some strains of E. coli have evolved and adapted to a pathogenic lifestyle and can cause different disease pathologies.10
Escherichia coli probe specifically recognizes Escherichia coli cells. Yet some reports describe the recognition of other bacteria with this probe, such as, Shigella boydii, Citrobacter davisae, Citrobacter lapagei, Citrobacter neteri11 and Klebsiella pneumoniae12.
应用
Probe for fluorescence in situ hybridization (FISH), recognizes Escherichia coli cells
特点和优势
- Visualize, identify and isolate Escherichia coli cells.
- Observe native E. coli cell populations in diverse microbiome environments.
- Specific, sensitive and robust identification of E. coli in bacterial mixed population.
- Specific, sensitive and robust identification even when E. coli is in low abundance in the sample.
- FISH can complete PCR based detection methods by avoiding contaminant bacteria detection.
- Provides information on E. coli morphology and allows to study biofilm architecture.
- Identify E. coli in clinical samples such as, urine samples, bladder and kidney sections (formalin-fixed paraffin-embedded (FFPE) samples), fecal samples and colon tissue.
- The ability to detect E. coli in its natural habitat is an essential tool for studying host-microbiome interaction.
储存分类代码
12 - Non Combustible Liquids
WGK
WGK 1
闪点(°F)
Not applicable
闪点(°C)
Not applicable
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Laure C Roger et al.
Microbiology (Reading, England), 156(Pt 11), 3317-3328 (2010-09-11)
From birth onwards, the gastrointestinal (GI) tract of infants progressively acquires a complex range of micro-organisms. It is thought that by 2 years of age the GI microbial population has stabilized. Within the developmental period of the infant GI microbiota
Regina L Miranda et al.
Infection and immunity, 72(3), 1666-1676 (2004-02-24)
Escherichia coli EDL933, an O157:H7 strain, is known to colonize the streptomycin-treated CD-1 mouse intestine by growing in intestinal mucus (E. A. Wadolkowski, J. A. Burris, and A. D. O'Brien, Infect. Immun. 58:2438-2445, 1990), but what nutrients and metabolic pathways
B Regnault et al.
Research in microbiology, 151(7), 521-533 (2000-10-19)
There are several occasions when enumeration of Escherichia coli cells is needed. These include examination of urine specimens and water or food samples. Present methods rely on growth in more or less selective media (colony-forming units on agar or the
S Favre-Bonté et al.
Infection and immunity, 67(11), 6152-6156 (1999-10-26)
The role of the Klebsiella pneumoniae capsular polysaccharide (K antigen) during colonization of the mouse large intestine was assessed with wild-type K. pneumoniae LM21 and its isogenic capsule-defective mutant. When bacterial strains were fed alone to mice, the capsulated bacteria
P V Kirjavainen et al.
Gut, 51(1), 51-55 (2002-06-22)
Recent data have outlined a relationship between the composition of the intestinal microflora and allergic inflammation, and demonstrated the competence of probiotics in downregulation of such inflammation. Our aims were to characterise the relationship between gut microbes and the extent
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