Introducción al mundo microbiano

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Introducción al
mundo
microbiano
Víctor de Lorenzo
Centro Nacional de Biotecnología
CSIC, Madrid (Spain)
Nuestro sistema
de interés
NO2
CH3
Cl
Cl
Cl
Cl
NH2
CH3
(CH)n
CH3
CH3
NO2
Cl
CH3
OH
Cl
CH3
OH
BIO-REMEDIACION
A
Tóxico
BIO-REMEDIACION
A
Tóxico
B
Inocuo
BIO-REMEDIACION
A
Tóxico
B
Inocuo
Catalizador biológico
BIO-REMEDIACION
A
Tóxico
B
Inocuo
Catalizador biológico
BIO-REMEDIACION
CO2 + H2O
mineralización
B
C transformación
B
inmovilización
Donde buscar
esos
Biocatalizadores?
Approximate timing of major events in the
history of life on Earth
Los tres dominios
del árbol de la vida
LUCA
Propiedades microbianas de interés
medioambiental
•
Rutas biodegradativas para compuestos recalcitrantes
• Mineralización de especies químicas toxida
• eliminación del azufre orgánico del c. fósiles
• biosensoers
• Química verde
• Tolerancia
a metales pesados
• volatilización
• ensayos de biodisponibilidad/toxicidad
• bioacumulacion:eliminación de iones tóxicos
• biotransformaciones y re-speciacion
• Producción
de surfactantes: bioremediacion de petróleo
Internal structure of bacterial and archaeal cells (prokaryotes) as
compared with plant and animal cells (eukaryotes)
Internal structure of bacterial and archaeal cells (prokaryotes) as
compared with plant and animal cells (eukaryotes)
Shapes and characteristics of free-living microorganisms
Shapes and characteristics of free-living microorganisms.
A ciliated protozoan
Features of viruses
Fossilized stromatolite
Cultivos de enriquecimiento
Growth curve of bacteria in laboratory medium
Streaking plates to obtain isolated colonies
Serial dilution of cultures to obtain isolated colonies
Plaque assay for determining number of infectious viral
particles in a sample
Bacteria undergoing cell division
Gram stain procedure
Structure of gram-positive cell well
Structure of gram-negative cell wall
Structure of flagella
Bacterial motion mediated by flagella
Chemotaxis
Circular representation of a genome sequence
Overview of transcription and translation and antibiotics that inhibit
these processes at different levels
The disk diffusion antimicrobial susceptibility test
Antimicrobial susceptibility assays that give MIC values
Antimicrobial susceptibility assays that give MIC
values
Mutations occurring at different sites in the DNA
Célula procariótica (bacterias)
Nutrientes
Contaminantes
Membrana
Ribosomas
ADN
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