Assertion: nodule | /r/HasProperty | duncan
Facets:
Source sentences:
text: Enzymes of the TCA cycle appear to be essential for nitrogen fixation in S. meliloti since mutations in succinate dehydrogenase (sdh), malate dehydrogenase (mdh), isocitrase dehydrogenase (icd), 2-oxoglutarate dehydrogenase, aconitase (acnA), and citrate synthase (gltA) abolish N 2 fixation, despite that nodules were formed (Duncan and Fraenkel, 1979; McDermott and Kahn, 1992; Mortimer et al., 1999; Dymov et al., 2004; Koziol et al., 2009).