ArticlePlanta2024
Ectopic expression of OsWOX9A alters leaf anatomy and plant architecture in rice.
Article in Planta, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Newly found functions and regulatory networks of WOX family: what else does the WOX say?Planta · 2026Review
- Unveiling stagnant flooding tolerance in lowland NERICAs: genomic insights and breeding prospects.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2026Article
- Synergistic induction of fertilization-independent embryogenesis in rice egg cells by paternal-genome-expressed transcription factors.Nature plants · 2024Article
- Identification of a potential homeodomain-like gene governing leaf size and venation architecture in birch.Frontiers in plant science · 2024Article
Corrections and comments
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Authors and funding
4 authors.
Funding
Abstract
MAIN
conclusionEctopic expression of OsWOX9A induces narrow adaxially rolled rice leaves with larger bulliform cells and fewer large veins, probably through regulating the expression of auxin-related and expansin genes. The WUSCHEL-related homeobox (WOX) family plays a pivotal role in plant development by regulating genes involved in various aspects of growth and differentiation. OsWOX9A (DWT1) has been linked to tiller growth, uniform plant growth, and flower meristem activity. However, its impact on leaf growth and development in rice has not been studied. In this study, we investigated the biological role of OsWOX9A in rice growth and development using transgenic plants. Overexpression of OsWOX9A conferred narrow adaxially rolled rice leaves and altered plant architecture. These plants exhibited larger bulliform cells and fewer larger veins compared to wild-type plants. OsWOX9A overexpression also reduced plant height, tiller number, and seed-setting rate. Comparative transcriptome analysis revealed several differentially expressed auxin-related and expansin genes in OsWOX9A overexpressing plants, consistent with their roles in leaf and plant development. These results indicate that the ectopic expression of OsWOX9A may have multiple effects on the development and growth of rice, providing a more comprehensive picture of how the WOX9 subfamily contributes to leaf development and plant architecture.
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