Lecture - Salmonella

Lecture - Salmonella - Food-borne Illness...

Info iconThis preview shows pages 1–7. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Food-borne Illness http://www.youtube.com/watch? v=s7_QPeFYTx8&feature=fvsr Gram negative Rod shaped (bacillus) Non-spore forming Motile (many flagella) Enterobacteria (Live in the intestines of many animals) Chemoorganotrophs Salmonella infections are zoonotic http://en.wikipedia.org/wiki/Salmonella Laboratory staining protocol developed to help identify bacteria Two stains are used on heat-fixed (death by heat) smear of a bacterial culture Stain #1 is crystal violet which stains the bacterial cells purple Stain #2 is usually safrarin which stains the bacterial cells red or pink Gram + bacteria appear purple under microscope because they retain the crystal violet dye in their cell walls Gram- bacteria appear red or pink under the microscope because they do not retain the blue dye, but do retain the pink dye Does not work on all types of bacteria A Gram stain of mixed Staphylococcus aureus (Gram positive cocci) and Escherichia coli (Gram negative bacilli) http://en.wikipedia.org/wiki/Gram_staining...
View Full Document

This note was uploaded on 01/13/2012 for the course IS 3020 taught by Professor Staff during the Spring '08 term at Kennesaw.

Page1 / 11

Lecture - Salmonella - Food-borne Illness...

This preview shows document pages 1 - 7. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online