The Bradyrhizobium japonicum serocluster 123 hyperreiterated DNA region, HRS1, has DNA and amino acid sequence homology to IS1380, an insertion sequence from Acetobacter pasteurianus.

Eitemau Tebyg

• Hyperreiterated DNA regions are conserved among Bradyrhizobium japonicum serocluster 123 strains.
  gan: Rodriguez-Quiñones, F, et al.
  Cyhoeddwyd: (1992)
• Use of repetitive sequences and the polymerase chain reaction technique to classify genetically related Bradyrhizobium japonicum serocluster 123 strains.
  gan: Judd, A K, et al.
  Cyhoeddwyd: (1993)
• DNA Hybridization Probe for Use in Determining Restricted Nodulation among Bradyrhizobium japonicum Serocluster 123 Field Isolates
  gan: Sadowsky, Michael J., et al.
  Cyhoeddwyd: (1990)
• Bradyrhizobium japonicum Serocluster 123 and Diversity among Member Isolates
  gan: Schmidt, E. L., et al.
  Cyhoeddwyd: (1986)
• Host Plant Effects on Nodulation and Competitiveness of the Bradyrhizobium japonicum Serotype Strains Constituting Serocluster 123
  gan: Cregan, P. B., et al.
  Cyhoeddwyd: (1989)