MBD0042
Escherichia coli FISH probe - Cy3
Probe for fluorescence in situ hybridization (FISH)
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50 μL
CHF 1’050.00
CHF 1’050.00
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Cambia visualizzazione
50 μL
CHF 1’050.00
About This Item
Codice UNSPSC:
12352200
NACRES:
NA.55
CHF 1’050.00
Check Cart for Availability
Prodotti consigliati
Livello qualitativo
tecniche
FISH: suitable
Fluorescenza
λex 550 nm; λem 570 nm
Condizioni di spedizione
dry ice
Temperatura di conservazione
−20°C
Descrizione generale
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
FISH technique can serve as a powerful tool in the microbiome research field by allowing the observation of native microbial populations in diverse microbiome environments, such as samples from human origin (blood3 and tissue4), microbial ecology (solid biofilms5 and aquatic systems 6) and plants7. 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 there are some reports that describe recognition of other bacteria with this probe, such as, Shigella boydii, Citrobacter davisae, Citrobacter lapagei, Citrobacter neteri 11 and Klebsiella pneumoniae 12.
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.
FISH technique can serve as a powerful tool in the microbiome research field by allowing the observation of native microbial populations in diverse microbiome environments, such as samples from human origin (blood3 and tissue4), microbial ecology (solid biofilms5 and aquatic systems 6) and plants7. 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 there are some reports that describe recognition of other bacteria with this probe, such as, Shigella boydii, Citrobacter davisae, Citrobacter lapagei, Citrobacter neteri 11 and Klebsiella pneumoniae 12.
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.
Applicazioni
Probe for fluorescence in situ hybridization (FISH),recognizes Escherichia coli cells
Caratteristiche e vantaggi
- 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.
Codice della classe di stoccaggio
12 - Non Combustible Liquids
Classe di pericolosità dell'acqua (WGK)
nwg
Punto d’infiammabilità (°F)
Not applicable
Punto d’infiammabilità (°C)
Not applicable
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L K Poulsen et al.
Infection and immunity, 62(11), 5191-5194 (1994-11-01)
Fluorescent oligonucleotide probes targeting rRNA were used to develop an in situ hybridization technique by which the spatial distribution of Escherichia coli in the large intestines of streptomycin-treated mice was determined. Single E. coli cells were identified in thin frozen
Arthur C Ouwehand et al.
Microbiology and immunology, 48(7), 497-500 (2004-07-24)
The fecal and mucosal microbiota of infants with rectal bleeding and the fecal microbiota of healthy age-matched controls were investigated by fluorescent in situ hybridization. Bifidobacteria were the main genus in both the feces and mucosa. The other genera tested
D Grimm et al.
Applied and environmental microbiology, 64(7), 2686-2690 (1998-07-02)
Based on comparative sequence analysis, we have designed an oligonucleotide probe complementary to a region of 16S rRNA of Legionella pneumophila which allows the differentiation of L. pneumophila from other Legionella species without cultivation. The specificity of the new probe
Stuart C Smith et al.
European journal of nutrition, 45(6), 335-341 (2006-06-10)
Changes in the composition of gastrointestinal microbiota by dietary interventions using pro- and prebiotics provide opportunity for improving health and preventing disease. However, the capacity of lupin kernel fiber (LKFibre), a novel legume-derived food ingredient, to act as a prebiotic
Rafael Gustavo Hermes et al.
The British journal of nutrition, 109(6), 1001-1012 (2012-08-02)
Casein glycomacropeptide (CGMP), a glycoprotein originating during cheese manufacture, has shown promising effects by promoting the growth of some beneficial bacteria in vitro, although its activity has not been well explored. The present study was designed to evaluate the effects
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