purple bacteria

/ˌpʌrpəl bækˌtɪriə/
IPA guide

Definitions of purple bacteria
  1. noun
    free-living Gram-negative pink to purplish-brown bacteria containing bacteriochlorophyll
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    type of:
    phototrophic bacteria, phototropic bacteria
    green and purple bacteria; energy for growth is derived from sunlight; carbon is derived from carbon dioxide or organic carbon
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