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Article

Control of embryo size by inositol phosphate signaling revealed by big embryo mutants of maize.

Plant physiology - 6 Feb 2026

Suzuki Masaharu, Wu Shan, Sato Yutaka, Jones Noah T, McCarty Donald R

Abstract excerpt

Inositol phosphates (InsP) play diverse signaling roles in regulating development, phosphate sensing, and energy metabolism. Here, we identify 4 maize (Zea mays) mutants, big embryo 2 (bige2), big embryo 3 (bige3), big embryo 4 (bige4), and low phytic acid 1 (lpa1), that show enlargement of the embryo at the expense of endosperm. Bige2 (identical to Lpa2), Bige3 (identical to Lpa3), and Bige4 genes encode...

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PMID: 41554099
DOI: 10.1093/plphys/kiag005

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