Photomicrographs from Biology 3200 Laboratory Exercise 3
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Gram Stain Endospore Stain Acid Fast Stain
Bacillus thuringiensis B. thuringiensis - Brightfield Mycobacterium smegmatis
Escherichia coli B. thuringiensis - Phase contrast Escherichia coli
Serratia marcescens  
Staphylococcus epidermidis PHB Stain Modified Gin Stain
  B. thuringiensis - Brightfield B. thuringiensis
  B. thuringiensis - Phase contrast Escherichia coli

 

Title: Phase contrast micrograph of sproulating culture of Bacillus thuringiensis cells

Description: Cells were cultivated on NA agar for 36 h at 28C. A wet mount slide was prepared and observed under phase contrast microscopy with a 100 X oil immersion objective.

Material preparation by: Brent Selinger