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bacteria
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Bacteria Facts
Campylobacter jejuni
DescriptionCampylobacter species are small and narrow Gram-negative curved rods. ... jejuni from food is difficult because the bacteria are usually present in very low numbers. ... It is usually confirmed by detecting large numbers, greater than 105 cells per gram, of the bacteria in the faeces of the patient and in the implicated food. ... It is a result of ingesting large numbers of the causative bacteria in contaminated foods. ... In older children the bacteria can cause mesenteric adenitis (pseudoappendicitis). ...
Glossary of terms
Aerobic: microorganisms requiring oxygen to growAnaerobic: microorganisms not requiring oxygen to growCatalase: an enzyme present in some microorganisms that converts hydrogen peroxide to water and oxygenCocci: bacteria that are sphere shapedCoccobacilli: bacteria that are short rod shapedFacultative anaerobic: microorganisms that can grow in either aerobic or anaerobic conditionsFlagella: a flexible tail-like structure on some microorganisms that assist them in movingGram negative: bacteria that when Gram stained appear redGram positive: bacteria that when Gram stained appear purpleGram stain: a staining technique that differentiates between classes of bacteriaIndole: a substance produced by some microorganismsMicroaerobic: microorganisms that require only small amounts of oxygen to growOxidase: an enzyme present in some microorganisms that allows them to combine oxygen (oxidation)Peritrichous flagella: flagella present around the entire bacteria pH the measurement of the acidity or alkalinity of a substancePsychrotrophic: bacteria capable of growing at temperatures below 7°CRods: bacteria that are rod-shapedSerotype: bacteria within the same species that can be distinguished on the basis of their surface antigenic propertiesSpores: spherical bodies produced internally by some bacteria, that are usually more resistant to heat and chemicalsWater Activity: the amount of water available for growth of a microorganism
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Paper Information
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Title: bacteria
Words: 6545
Rating: None
Pages: 26.2
submitted by: teressajones
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