A New Perspective on Microbes Formerly Known as Nitrite-Oxidizing Bacteria
By H. Daims, Sebastian Lücker, Michael Wagner. Trends in Microbiology, 2016
745 citations recorded by the source corpus.
Nitrite-oxidizing bacteria (NOB) catalyze the second step of nitrification, nitrite oxidation to nitrate, which is an important process of the biogeochemical nitrogen cycle. NOB were traditionally perceived as physiologically restricted organisms and were less intensively studied than other nitrogen-cycling microorganisms. This picture is contrasted by new discoveries of an unexpected high diversity of mostly uncultured NOB and a great physiological versatility, which includes complex microbe-microbe interactions and lifestyles outside the nitrogen cycle. Most surprisingly, close relatives to NOB perform complete nitrification (ammonia oxidation to nitrate) and this finding will have far-reaching implications for nitrification research. We review recent work that has changed our perspective on NOB and provides a new basis for future studies on these enigmatic organisms.
Subfields: Ecology, Environmental Engineering, Pollution
View Paper: https://www.semanticscholar.org/paper/d78bd1978970e4d7ceb99c189bf8aefab2cab2b2
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Citations in the corpus
- Kinetic analysis of a complete nitrifier reveals an oligotrophic lifestyle (2017, positive): “However, N. inopinata was cultured from biofilm covered by hot water1 and belongs to Nitrospira lineage II, which is usually not found in seawater1,12.”
- Soil microbial community and network changes after long-term use of plastic mulch and nitrogen fertilization on semiarid farmland (2021, background): “Decrease in the relative abundance of Nitrospirae might contribute to reducing N loss, because this phylum performs nitrite oxidation in the nitrification process (Daims et al., 2016).”
- Nitrification gene ratio and free ammonia explain nitrite and nitrous oxide production in urea-amended soils (2017, background): “In contrast, the greater and more consistent increases in nxrA compared with nxrB abundances following urea addition are consistent with Nitrobacter being a r-strategist (Daims et al., 2016).”