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A gram negative anthrax would be a designer bug in her opinion.

A gram negative anthrax would be an impossibility. The gram stain procedure is designed to differentiate the exposed peptidoglycans in the cell membrane. A gram positive organism has exposed peptidoglycans, whereas a gram negative organism does not.

This defining cell wall characteristic is inherent to the organism, and defines it's metabolic characteristics as well. If the organism is gram negative, then it is not bacillus anthracis.

Anthrax is also a comparatively large organism (among the largest) and is distinctive in this way as well.

I defer to your superior micro biological knowledge. The reference to a designer bug was something that otherwise axted in the same maner as anthrax but was a man made organism. She said she did not even know if it was possible but she had stated that gram negative was not anthrax even a selectively bred anthrax.

Sorry for any confusion biology was never my strong science.

Stay well - Stay safe - Stay armed - Yorktown