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. 2018 Oct 1;115(44):11327–11332. doi: 10.1073/pnas.1806304115

Fig. 1.

Fig. 1.

Identification and characterization of the ta2-1 mutant. (A) Scheme of the genetic screen for ta mutants in rice using a half-seed assay. (B and C) Transversally (B) and longitudinally (C) sectioned ZH11 and ta2-1 dehusked mature grains, stained with the cell viability dye Evans blue. (Scale bar: 0.5 mm.) (D) Morphology of the aleurone at the lateral positions of ZH11 and ta2-1 endosperms. (Scale bar: 50 μm.) (E) Average numbers of aleurone cell layers, calculated in 20-cell file regions at the dorsal, upper lateral, lateral, lower lateral, and ventral positions of ZH11 and ta2-1 endosperms (n = 30). **Significant differences from ZH11 at the 0.01 level according to Student’s t test. (F) Aleurone at the lateral positions of ZH11 and ta2-1 endosperms at 7 and 9 DAP. (Scale bar: 20 μm.) Arrowheads in B and C and orange lines in D and F indicate the aleurone. e, embryo; se, starchy endosperm.