The commercial product Frostban consists of a genetically altered bacterium which prevents ice crystals from forming on plants, thereby reducing freezing of plants and ?nancial distress to the farmers as a result of freezing weather. This product contains a strain of ______.
A) Escherichia coli B) Pseudomonas syringae C) Thermus aquaticus D) Saccharomyces cerevisiae E) Pseudomonas ?uorescens