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Figure 7 | BMC Plant Biology

Figure 7

From: MYB80 homologues in Arabidopsis, cotton and Brassica: regulation and functional conservation in tapetal and pollen development

Figure 7

Semi-thin sections of developing Arabidopsis anthers from a transgenic At80MD plant (line 13). A. Stage 8; vacuolated tapetum cells and enlarged microspores. B. Stage 10; tapetum cells are highly vacuolated and enlarged. Microspores commence degrading. C. Stage 11; microspores remain vacuolated, enlarged tapetum with reduced cytoplasm. D. Stage 12; degenerated tapetum and collapsed pollen grains. MSp, microspores; PG, pollen grains; Sm, septum; T, tapetum. Scale bars = 25 μm in A, scale bars = 50 μm in B, C and D.

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BMC Plant Biology

ISSN: 1471-2229

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