Rhodobacterales are an order of the Alphaproteobacteria.

[2] Gene transfer agents are viruslike elements produced by Rhodobacterales which transfer DNA and may be an important factor in their evolution.

[3] From Greek rhodon, the rose, and bakterion, a rod.

This refers to the colour of aerobic phototrophic cultures of this order of bacteria which can be pink or red due to the production of carotenoids.

This Rhodobacterales article is a stub.