Bacteria

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Pathogens

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A bacteria or virus that can cause disease

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Bacteria

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a member of a large group of unicellular microorganisms that have cell walls but lack organelles and an organized nucleus, including some that can cause disease.

synonyms:

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Archaea

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microorganisms that are similar to bacteria in size and simplicity of structure but radically different in molecular organization.

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Peptidoglycan

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a substance forming the cell walls of many bacteria,

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Cocci

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any spherical or roughly spherical bacterium.

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Bacilli

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a disease-causing bacterium

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Vibrios

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a waterborne bacterium of a group that includes some pathogenic

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Spirochete

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a flexible spirally twisted bacterium, especially one that causes syphilis.

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Gram stain

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a staining technique for the preliminary identification of bacteria

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Streptococcus

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a bacterium of a genus that includes the agents of souring of milk and dental decay

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Pili

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Short, filamentous projections on a bacterial cell

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Proteus

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a bacterium found in the intestines of animals and in the soil.

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Anthracis

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an infectious disease of warm-blooded animals (as cattle and sheep) caused by a spore-forming bacterium

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Endospore

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a resistant asexual spore that develops inside some bacteria cells.

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Clostridium botulinum

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Botulism is a rare but serious condition caused by toxins from bacteria

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Phototrophs

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a phototrophic organism.

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Autotrophs

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an organism that is able to form nutritional organic substances from simple inorganic substances such as carbon dioxide

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Heterotrophs

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an organism deriving its nutritional requirements from complex organic substances.

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Photoautotrophs

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are organisms that carry out photosynthesis.

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Photoheterotrophs

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, they are organisms that use light for energy, but cannot use carbon dioxide as their sole carbon source.

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Chemoautotrophs

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an organism, typically a bacterium, that derives energy from the oxidation of inorganic compounds.

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Chemoheterotrophs

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organisms that obtain energy by the oxidation of electron donors in their environment

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Biofilms

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a thin, slimy film of bacteria that adheres to a surface.

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Extreme halophiles

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are organisms that live in extremely salty environments

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Extreme thermophiles

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microorganisms adapted to temperatures normally found only in hot springs, hydrothermal