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Rhizobium radiobacter(rī-zō′bē-ŭm rā″dē-ō-băk′tĕr) [″ + ″; ″ + ″]
A gram-negative rod that is a rare cause of infection in hospitalized patients, esp. those treated with plastic tubes or catheters. It has long been recognized as a plant pathogen. It has been identified as a human pathogen only in patients with cancers, critical illness, or immunosuppressing illnesses. It was formerly known as Agrobacterium radiobacter.