Comment on

• Bacterial and host interactions of oral streptococci.

  Kreth J, Merritt J, Qi F. Kreth J, et al. DNA Cell Biol. 2009 Aug;28(8):397-403. doi: 10.1089/dna.2009.0868. DNA Cell Biol. 2009. PMID: 19435424 Free PMC article. Review.
• Remaining flexible in old alliances: functional plasticity in constrained mutualisms.

  Wernegreen JJ, Wheeler DE. Wernegreen JJ, et al. DNA Cell Biol. 2009 Aug;28(8):371-82. doi: 10.1089/dna.2009.0872. DNA Cell Biol. 2009. PMID: 19435425 Free PMC article. Review.
• The oral microbial consortium's interaction with the periodontal innate defense system.

  Darveau RP. Darveau RP. DNA Cell Biol. 2009 Aug;28(8):389-95. doi: 10.1089/dna.2009.0864. DNA Cell Biol. 2009. PMID: 19435427 Free PMC article. Review.
• Coevolution in Rhizobium-legume symbiosis?

  Martínez-Romero E. Martínez-Romero E. DNA Cell Biol. 2009 Aug;28(8):361-70. doi: 10.1089/dna.2009.0863. DNA Cell Biol. 2009. PMID: 19485766 Review.
• The oral microbiota: living with a permanent guest.

  Avila M, Ojcius DM, Yilmaz O. Avila M, et al. DNA Cell Biol. 2009 Aug;28(8):405-11. doi: 10.1089/dna.2009.0874. DNA Cell Biol. 2009. PMID: 19485767 Free PMC article. Review.
• Prevalence of genes encoding the type three secretion system and the effectors AexT and AexU in the Aeromonas veronii group.

  Silver AC, Graf J. Silver AC, et al. DNA Cell Biol. 2009 Aug;28(8):383-8. doi: 10.1089/dna.2009.0867. DNA Cell Biol. 2009. PMID: 19534604
• A Mesocosm of Lactobacillus johnsonii, Bifidobacterium longum, and Escherichia coli in the mouse gut.

  Denou E, Rezzonico E, Panoff JM, Arigoni F, Brüssow H. Denou E, et al. DNA Cell Biol. 2009 Aug;28(8):413-22. doi: 10.1089/dna.2009.0873. DNA Cell Biol. 2009. PMID: 19534605