ArticleRice (New York, N.Y.)2016
Overexpression of OsHox32 Results in Pleiotropic Effects on Plant Type Architecture and Leaf Development in Rice.
Article in Rice (New York, N.Y.), 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 38 papers.
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Who cites it
38 citing papers in PubMed.
- A COBRA-like protein ACL83 acts downstream of transcription factor ROC5 to control abaxial leaf curling in rice.The Plant journal : for cell and molecular biology · 2026Article
- Rolling Leaf 2 Controls Leaf Rolling by Regulating Adaxial-Side Bulliform Cell Number and Size in Rice.Plants (Basel, Switzerland) · 2025Article
- Accurate detections of the heterozygous SNPs with rice genomic data and prediction of de novo spontaneous mutation rate.Plant methods · 2025Article
- Genome-wide association analysis identifies natural allelic variants associated with leaf rolling in rice (Oryza sativa L.).Annals of botany · 2025Article
- Genome-Wide Identification of the HD-ZIP Transcription Factor Family in Maize and Functional Analysis of the Role ofPlants (Basel, Switzerland) · 2025Article
- ACL1-ROC4/5 complex reveals a common mechanism in rice response to brown planthopper infestation and drought.Nature communications · 2024Article
- HD-ZIP IV Gene ROC1 Regulates Leaf Rolling and Drought Response Through Formation of Heterodimers with ROC5 and ROC8 in Rice.Rice (New York, N.Y.) · 2024Article
- Morphological characterization and transcriptome analysis of rolled and narrow leaf mutant in soybean.BMC plant biology · 2024Article
- Research Progress on Mechanical Strength of Rice Stalks.Plants (Basel, Switzerland) · 2024Review
- Article
- Genome-Wide Identification, Characterization, and Expression Analysis of the HD-Zip Gene Family inGenes · 2024Article
- Advancements in Rice Leaf Development Research.Plants (Basel, Switzerland) · 2024Review
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- Design principles for synthetic control systems to engineer plants.Plant cell reports · 2023Review
- Article
- SEMI-ROLLED LEAF 10 stabilizes catalase isozyme B to regulate leaf morphology and thermotolerance in rice (Oryza sativa L.).Plant biotechnology journal · 2023Article
- Article
- Fine Mapping of a Pleiotropic Locus (International journal of molecular sciences · 2023Article
- ZmHOX32 is related to photosynthesis and likely functions in plant architecture of maize.Frontiers in plant science · 2023Article
- Article
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8 authors.
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Abstract
backgroundThe Class III homeodomain Leu zipper (HD-Zip III) gene family plays important roles in plant growth and development. Here, we analyze the function of OsHox32, an HD-Zip III family member, and show that it exhibits pleiotropic effects on regulating plant type architecture and leaf development in rice.
resultsTransgenic lines overexpressing OsHox32 (OsHox32-OV) produce narrow leaves that roll towards the adaxial side. Histological analysis revealed a decreased number of bulliform cells in OsHox32-OV lines. In addition, the angle between the leaf and culm was reduced, resulting in an erect plant phenotype. The height of the plants was reduced, resulting in a semi-dwarf phenotype. In addition, the chlorophyll level was reduced, resulting in a decrease in the photosynthetic rate, but water use efficiency was significantly improved, presumably due to the rolled leaf phenotype. OsHox32 exhibited constitutive expression in different organs, with higher mRNA levels in the stem, leaf sheath, shoot apical meristems and young roots, suggesting a role in plant-type and leaf development. Moreover, OsHox32 mRNA levels were higher in light and lower in the dark under both long-day and short-day conditions, indicating that OsHox32 may be associated with light regulation. Photosynthesis-associated and chlorophyll biosynthesis-associated genes were down-regulated to result in the reduction of photosynthetic capacity in OsHox32-OV lines. mRNA level of six rice YABBY genes is up-regulated or down-regulated by OsHox32, suggesting that OsHox32 may regulate the architecture of plant type and leaf development by controlling the expression of YABBY genes in rice. In addition, OsHox32 mRNA level was induced by the phytohormones, indicating that OsHox32 may be involved in phytohormones regulatory pathways.
conclusionsOsHox32, an HD-Zip III family member, plays pleiotropic effects on plant type architecture and leaf development in rice.
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