Molecular study reveals that SlHDZIV7 coordinates glandular trichome initiation in tomato, highlighting a cross-regulatory network that governs plant epidermal hair development.
Summary statement This study identifies SlHDZIV7 as an HD‐ZIP IV transcription factor in tomato that preferentially controls type VI glandular trichome initiation. SlHDZIV7, SlWoolly, and SlHDZIV14 together form a cross‐regulatory module coordinating different types of trichome formation.
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Li et al. (2026) studied this question.
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