Comment on

• Microbial production of recalcitrant dissolved organic matter: long-term carbon storage in the global ocean.

  Jiao N, Herndl GJ, Hansell DA, Benner R, Kattner G, Wilhelm SW, Kirchman DL, Weinbauer MG, Luo T, Chen F, Azam F. Jiao N, et al. Nat Rev Microbiol. 2010 Aug;8(8):593-9. doi: 10.1038/nrmicro2386. Epub 2010 Jul 5. Nat Rev Microbiol. 2010. PMID: 20601964 Review.
• Microbial production of recalcitrant organic matter in global soils: implications for productivity and climate policy.

  Liang C, Balser TC. Liang C, et al. Nat Rev Microbiol. 2011 Jan;9(1):75; author reply 75. doi: 10.1038/nrmicro2386-c1. Epub 2010 Nov 29. Nat Rev Microbiol. 2011. PMID: 21113179 No abstract available.