Published 2020
“…Here, we screened a library of nitrogen-fixing alfalfa symbionts originating from different ecoregions and containing N2O reductase genes and identified novel rhizobia (Sinorhizobium meliloti INTA1–6) exhibiting exceptionally low N2O
emissions. To understand the genetic basis of this novel eco-friendly phenotype, we sequenced and analyzed the genomes of these strains, focusing on their denitrification genes, and found mutations only in the nitrate reductase structural gene napC. …”
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