東京大学農学部卒業、東京大学大学院農学系研究科博士課程退学(農学博士)。茨城大学農学部助手、茨城大学農学部助教授を経て平成8年東北大学遺伝生態研究センター教授。平成13年改組で現職

1. 南澤究（2016）植物における共生の総論、（第13章pp.138-146）、共生微生物、生物と密接に関わるミクロな生命体、化学同人（東京）
2. Minamisawa et al. 2016. Are symbiotic methanotrophs key microbes for N acquisition in paddy rice root? Microbes Environ. 31: 4-10.
3. Akiyama et al. 2016. Mitigation of soil N₂O emission by inoculation with a mixed culture of indigenous Bradyrhizobium diazoefficiens. Scientific Reports 6: 32869.
4. Igai et al. 2016. Nitrogen fixation and nifH diversity in human gut microbiota. Scientific Reports 6: 31942.
5. Hidaka et al. 2015. Visualization of NO₃－/NO₂－ dynamics in living cells by fluorescence resonance energy transfer (FRET) imaging employing a rhizobial two-component regulatory system. J. Biol. Chem. 291: 2260-2269. 
6. Anda et al. 2015. Bacterial clade with the ribosomal RNA operon on a small plasmid rather than the chromosome. Proceedings of the National Academy of Sciences, 112: 14343-14347.
7. Iida et al. 2015. Symbiosis island shuffling with abundant insertion sequences in the genomes of extra-slow-growing strains of soybean bradyrhizobia. Appl. Environ. Microbiol. 81:4143-4154.
8. Okubo et al. 2015. Elevated atmospheric CO₂ levels affect community structure of rice root-associated bacteria. Front. Microbiol. 6: 136.
9. Shiina et al. 2014. Correlation between soil type and N₂O reductase genotype (nosZ) of indigenous soybean bradyrhizobia: nosZ-minus populations are dominant in Andosols. Microbes Environ. 29: 420-426.
10. Sanchez et al. 2014. The nitrate-sensing NasST system regulates nitrous oxide reductase and periplasmic nitrate reductase in Bradyrhizobium japonicum. Environ. Microbiol. 16: 3263-3274
11. Bao et al. 2014. Metaproteomic identification of diazotrophic methanotrophs and their localization in root tissues of field-grown rice plants. Appl. Environ. Microbiol. 80: 5043-5052. (Research Highlight selected)
12. Bao et al. 2014. A rice gene for microbial symbiosis, Oryza sativa CCaMK, reduces CH4 flux in a paddy field with low nitrogen input. Appl. Environ. Microbiol. 80: 1995-2003. (Research Highlight selected)
13. Ikeda et al. 2014. Low nitrogen fertilization adapts rice root microbiome to low nutrient environment by changing biogeochemical functions. Microbes Environ. 29: 50-59.
14. Itakura et al. 2013. Mitigation of nitrous oxide emissions from soils by Bradyrhizobium japonicum inoculation. Nature Climate Change 3: 208-212.
15. Okubo et al. 2013. Genome anlaysis suggests that the soil oligotrophic bacterium Agromonas oligotrophica (Bradyrhizobium oligotrophicum) is a nitrogen-fixing symbiont of Aeschynomene indica. Appl. Environ. Microbiol. 79: 2542-2551.
16. 南澤 究 (2013) 物質循環のミッシングリンクを解く微生物研究、遺伝、９月号, 67(5): 544-546.
17. Ikeda, S., T. Ohkubo, T. Kaneko, S. Inaba, T. Maekawa, S. Eda, S. Sato, S. Tabata, H. Mitsui, and K. Minamisawa. 2010. Community shifts of soybean stem-associated bacteria responding to different nodulation phenotypes and N levels. ISME Journal 4: 315-26.
18. Itakura et al. 2009. Genomic comparison of Bradyrhizobium japonicum strains with different symbiotic nitrogen-fixing capabilities and other Bradyrhizobiaceae members. ISME J. 3: 326-339. 
19. Okubo, T., S. Fukushima, M. Itakura, K. Oshima, A. Longtonglang, N. Teaumroong, H. Mitsui, M. Hattori, R. Hattori, T. Hattori, and K. Minamisawa. 2013.

日本微生物生態学会、植物微生物研究会、日本土壌肥料学会、日本土壌微生物学会、 日本農芸化学会、国際微生物生態学会(ISME)