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Figure 9 | BMC Plant Biology

Figure 9

From: Deletions of the SACPD-C locus elevate seed stearic acid levels but also result in fatty acid and morphological alterations in nitrogen fixing nodules

Figure 9

Sectioned material of nodules from mutant line FN8 prepared by ultra-rapid freezing. (a) Phase contrast micrograph of a thick resin section in the region bordering the central necrotic zone (NZ) from nodules of mutant line FN8. No cells were found in the NZ and those bordering it are in various stages of degradation. Cells near the NZ containing bacteroids are senescent (asterisk), with little evidence of host cytoplasm. Scale marker = 25 μm. (b), (c) and (d), Thin sections of bacteroids from a FN8 nodule. (b) The ultrastructure of bacteroids from host cells in the nodule periphery appears normal, indistinguishable from those in wild type nodules. (c) Bacteroids in cells near the NZ are senescent. (d) wild type bacteroids. Scale bars, 1 μm.

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BMC Plant Biology

ISSN: 1471-2229

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