Fig. 6From: The Mesorhizobium huakuii transcriptional regulator AbiEi plays a critical role in nodulation and is important for bacterial stress responseStructure of 4-week-old Astragalus sinicus nodules and bacteroids. Nodules were induced by M. huakuii 7653R (A, D), HKabiEi (B, E), HKabiEi(pBBRabiEi) (C, F). Scale bars = 200 μm (A, B, C), 2 μm (D, E, F). i, incrassated membrane; dissociation; v, vacuolation; s, senescing bacteroidBack to article page