SOIL AND WATER SCIENCES VIDEO TOPICS: FOOD SAFETY

These videos explore microbiological investigation of food- and water-borne pathogens, including epidemiological, immunological, culture-based and nucleic-acid based tools for investigating outbreaks.

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Using Crop Production Practices and Weather Conditions to Improve Microbiological Safety in Tomatoes

Dr. Max Teplitski discusses factors that can reduce sources of infection in the tomato production chain, including levels of irrigation and fertilization, weather conditions, and cultivar selection. 

Factsheet:
Factsheet (Spanish):

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Impact of Tomato Varieties and Maturity State on Susceptibility of Tomatoes to Salmonella

Dr. Max Teplitski describes research on tomato varieties and maturity state as factors in Salmonella proliferation, showing that varieties with delayed ripening traits are more resistant to the pathogen.

Factsheet:
Factsheet (Spanish):

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Outbreak Investigation: Epidemiological Investigation

In this series, Dr. Max Teplitski describes the steps involved in an outbreak investigation. In this video he explains how to detect an outbreak of a food- or water-borne illness and how to go about identifying its source.

Transcript:
Spanish Video:

Investigación de un Brote: Investigación Epidemiológica

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Outbreak Investigation: Culture Based Methods for Pathogen Detection

Dr. Max Teplitski describes why and how to culture the pathogen responsible for an outbreak based on hypotheses developed from epidemiological surveys and patient symptoms and demonstrates laboratory techniques of culture-based analyses.

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Spanish Video:

Investigación de un Brote: Detección de Patógenos Usando Métodos Basados en Cultivo

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Outbreak Investigation, Source Tracking and Pathogen Fingerprinting

Dr. Max Teplitski describes what is typically the last step in an outbreak investigation, source tracking and pathogen fingerprinting to establishing that the strains of the pathogen isolated from the source and the patient are the same.

Transcript:
Spanish Video:

Investigación de un Brote: Identificación de la Fuente y de las Huellas Digitales de los Patógenos