Species

Agrobacterium radiobacter (Bacterial crown gall)

Agrobacterium radiobacter. Photo: (c) Susan J. Hewitt, some rights reserved (CC BY-NC)

iNaturalist • Wikipedia

Agrobacterium tumefaciens (updated scientific name Rhizobium radiobacter, synonym Agrobacterium radiobacter) is the causal agent of crown gall disease (the formation of tumours) in over 140 species of eudicots. It is a rod-shaped, Gram-negative soil bacterium. Symptoms are caused by the insertion of a small segment of DNA (known as the T-DNA, for ‘transfer DNA’, not to be confused with tRNA that transfers amino acids during protein synthesis), from a plasmid into the plant cell, which is…

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