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Fig. 1 | BMC Biology

Fig. 1

From: Arabidopsis PRC1 core component AtRING1 regulates stem cell-determining carpel development mainly through repression of class I KNOX genes

Fig. 1

AtRING1a and AtRING1b exhibit similarities yet some differences in expression pattern at the reproductive stage. ag Expression pattern of AtRING1a in AtRING1a::AtRING1a-GUS transgenic lines. a Inflorescence. Note strong GUS staining in sepal primordia. b Floral bud at stages 8 and 9 of flower development. Note strong GUS staining in early floral organs. Unless otherwise indicated, flower developmental stages are defined according to [60]. c Emerging flower. Note strong GUS staining in ovules, but none in mature pollen. d Globular stage of embryo development. e Heart stage of embryo development. f Linear cotyledon stage of embryo development. g Mature green stage of embryo development. hq Expression pattern of AtRING1b detected in AtRING1b::AtRING1b-GUS transgenic lines. h Three-day-old seedling. i One-month-old seedling. j Inflorescence. k Flower bud at stage 8. l Mature ovule. m Mature pollen and filament. n Fertilized ovule at 2 days after pollination (DAP). o Globular stage of embryo development. p Heart stage. q Bending cotyledon stage. Bars = 100 μm, except 50 μm in a, b, j, and k; 1 mm in h and i

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