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. 2014 Aug 8;9(8):e103770. doi: 10.1371/journal.pone.0103770

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© 2014 Serwatowska et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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(A) Dissected wild-type M. truncatula flower showing the four floral whorls (W1 to W4). Floral phenotypes are similar in mtaga. (B) and mtagb (C) mutants. Mutant flowers (left) were opened to show the inner whorls. In W3 the staminal tubes are unfused and occasionally petaloid structures appear (arrow) replacing the anthers. Carpels in W4 present stigmatic protuberances (arrow) or multiple unfused carpels and exposed ovules (boxed). (D) MtAGab-VIGS flower with severe homeotic transformation of stamens into petals and carpels into sepaloid structures (arrows). Bars indicate 1 mm.