Water microbiology articles within Nature

Featured

  • Article
    | Open Access

    Cultivation of a new anoxygenic phototrophic bacterium from Boreal Shield lake water—representing a transition form in the evolution of photosynthesis—offers insights into how the major modes of phototrophy diversified.

    • J. M. Tsuji
    • , N. A. Shaw
    •  & J. D. Neufeld

  • Article |

    In situ experiments have demonstrated chemotaxis of marine bacteria and archaea towards specific phytoplankton-derived dissolved organic matter, which leads to microscale partitioning of biogeochemical transformation in the ocean.

    • Jean-Baptiste Raina
    • , Bennett S. Lambert
    •  & Justin R. Seymour

  • Article |

    Bacteria of the SAR11 clade constitute up to one half of all marine microbes and are thought to require oxygen for growth; here, a subgroup of SAR11 bacteria are shown to thrive in ocean oxygen minimum zones and to encode abundant respiratory nitrate reductases.

    • Despina Tsementzi
    • , Jieying Wu
    •  & Frank J. Stewart

  • Letter |

    Until now, the oxidation steps necessary for complete nitrification had always been observed to occur in two separate microorganisms in a cross-feeding interaction; here, together with the study by Daims et al., van Kessel et al. report the enrichment and characterization of Nitrospira species that encode all of the enzymes necessary to catalyse complete nitrification, a phenotype referred to as ‘comammox’ (for complete ammonia oxidation).

    • Maartje A. H. J. van Kessel
    • , Daan R. Speth
    •  & Sebastian Lücker

  • Letter |

    The metagenome of uncultured, Pacific Ocean viruses linked to a ubiquitous cyanobacteria is characterized using viral-tagging, revealing discrete populations in viral sequence space that includes previously cultivated populations and new populations missed in isolate-based studies.

    • Li Deng
    • , J. Cesar Ignacio-Espinoza
    •  & Matthew B. Sullivan

  • Letter |

    Miscellaneous crenarchaeotal group (MCG) and marine benthic group-D (MBG-D) are among the most numerous archaea in sea-floor sediments; single-cell genomics reveals that these archaea belong to new branches of the archaeal tree and probably have a role in protein remineralization in anoxic marine sediments.

    • Karen G. Lloyd
    • , Lars Schreiber
    •  & Bo Barker Jørgensen

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