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Chapter 20 :

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Abstract:

is widespread in nature and frequently isolated from soil and growing plants . In addition to rice, pasta, and spices, dairy products are among the most common food vehicles for . There are two types of foodborne illness. The first type, which is caused by an emetic toxin, results in vomiting, whereas the second type, which is caused by enterotoxin(s), results in diarrhea. Little is known about susceptible populations, but the more severe types of the illness have occasionally involved young athletes (19 years) or the elderly (60 years). The emetic toxin, causing vomiting, had been isolated and characterized, whereas the diarrheal disease is caused by one or more enterotoxins. The spore of is an important factor in foodborne illness. First, the spore is more hydrophobic than any other spp. spores, which enables it to adhere to several types of surfaces. Neither of the two commercial immunoassays available for enterotoxin detection can quantify the toxicity of enterotoxins. Desserts, meat dishes, and dairy products are most frequently associated with diarrheal illness, whereas rice and pasta are the most common vehicles of emetic illness. Three types of enterotoxins involved in outbreaks of foodborne illness have been identified. Two of these enterotoxins possess three components and are related, whereas the third is a one-component protein (CytK).

Citation: Granum P. 2007. , p 445-455. In Doyle M, Beuchat L (ed), Food Microbiology: Fundamentals and Frontiers, Third Edition. ASM Press, Washington, DC. doi: 10.1128/9781555815912.ch20

Key Concept Ranking

Meat and Meat Products
0.49913257
Sodium Dodecyl Sulfate
0.47163212
Foodborne Illnesses
0.45869806
16s rRNA Sequencing
0.42646965
0.49913257
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Figures

Image of Figure 20.1
Figure 20.1

Genetic organization of the three enterotoxins , , and ( ). The enterotoxins are all regulated by PlcR-PapR, which binds upstream of , , and . There is an inverted repeat of 13 bp between and . An aminopeptidase gene () is found about 600 bp downstream of has an ORF () upstream, encoding a protein of unknown function, and a histi-dine kinase () further upstream. encodes a long-chain fatty acid coenzyme A ligase (orientated in the direction opposite to that of ). The arrowheads indicate the orientation of the genes. The gaps between the different genes are indicated by a solid line.

Citation: Granum P. 2007. , p 445-455. In Doyle M, Beuchat L (ed), Food Microbiology: Fundamentals and Frontiers, Third Edition. ASM Press, Washington, DC. doi: 10.1128/9781555815912.ch20
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References

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Tables

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Table 20.1

Criteria to differentiate members of the group

Citation: Granum P. 2007. , p 445-455. In Doyle M, Beuchat L (ed), Food Microbiology: Fundamentals and Frontiers, Third Edition. ASM Press, Washington, DC. doi: 10.1128/9781555815912.ch20
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Table 20.2

Examples of types of foods involved in foodborne illness and outbreaks

Citation: Granum P. 2007. , p 445-455. In Doyle M, Beuchat L (ed), Food Microbiology: Fundamentals and Frontiers, Third Edition. ASM Press, Washington, DC. doi: 10.1128/9781555815912.ch20
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Table 20.3

Characteristics of the two types of foodborne illness caused by

Citation: Granum P. 2007. , p 445-455. In Doyle M, Beuchat L (ed), Food Microbiology: Fundamentals and Frontiers, Third Edition. ASM Press, Washington, DC. doi: 10.1128/9781555815912.ch20
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Table 20.4

Properties of the emetic toxin cereulide

Citation: Granum P. 2007. , p 445-455. In Doyle M, Beuchat L (ed), Food Microbiology: Fundamentals and Frontiers, Third Edition. ASM Press, Washington, DC. doi: 10.1128/9781555815912.ch20
Generic image for table
Table 20.5

Toxins produced by

Citation: Granum P. 2007. , p 445-455. In Doyle M, Beuchat L (ed), Food Microbiology: Fundamentals and Frontiers, Third Edition. ASM Press, Washington, DC. doi: 10.1128/9781555815912.ch20
Generic image for table
Table 20.6

Properties of the Nhe proteins

Citation: Granum P. 2007. , p 445-455. In Doyle M, Beuchat L (ed), Food Microbiology: Fundamentals and Frontiers, Third Edition. ASM Press, Washington, DC. doi: 10.1128/9781555815912.ch20

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