ArticleThe Plant cell2022
The tetratricopeptide repeat protein OsTPR075 promotes heading by regulating florigen transport in rice.
Article in The Plant cell, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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13 citing papers in PubMed, 28 citations in OpenAlex.
- Unraveling the Genetic Architecture of Photoperiod Sensitivity in Myanmar Rice Landraces Through Integrated GWAS and Transcriptome Analysis.International journal of molecular sciences · 2026Article
- Genome-Wide Identification of theInternational journal of molecular sciences · 2026Article
- Regulation of storage organ formation by long-distance tuberigen signals in potato.Horticulture research · 2025Article
- Identification of QTLs for early maturity-related traits based on RIL population of two elite cotton cultivars.BMC plant biology · 2024Article
- Evolution and Function of MADS-Box Transcription Factors in Plants.International journal of molecular sciences · 2024Review
- The phosphatidylethanolamine-binding proteins OsMFT1 and OsMFT2 regulate seed dormancy in rice.The Plant cell · 2024Article
- Overexpression of cassava melatonin receptor PMTR1 plays dual roles in development under light and dark conditions in Arabidopsis.Plant cell reports · 2024Article
- The Function of Florigen in the Vegetative-to-Reproductive Phase Transition in and around the Shoot Apical Meristem.Plant & cell physiology · 2024Review
- Unlocking Nature's Clock: CRISPR Technology in Flowering Time Engineering.Plants (Basel, Switzerland) · 2023Review
- Environmental control of rice flowering time.Plant communications · 2023Review
- Tetratricopeptide repeat protein SlREC2 positively regulates cold tolerance in tomato.Plant physiology · 2023Article
- Navigating rice seedling cold resilience: QTL mapping in two inbred line populations and the search for genes.Frontiers in plant science · 2023Article
- Flowering time and photoperiod sensitivity in rice: Key players and their interactions identified.The Plant cell · 2022Article
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Authors and funding
10 authors at 4 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Rice (Oryza sativa) is one of the most important crops worldwide. Heading date is a vital agronomic trait that influences rice yield and adaption to local conditions. Hd3a, a proposed florigen that primarily functions under short-day (SD) conditions, is a mobile flowering signal that promotes the floral transition in rice. Nonetheless, how Hd3a is transported from leaves to the shoot apical meristem (SAM) under SDs remains elusive. Here, we report that FT-INTERACTING PROTEIN9 (OsFTIP9) specifically regulates rice flowering time under SDs by facilitating Hd3a transport from companion cells (CCs) to sieve elements (SEs). Furthermore, we show that the tetratricopeptide repeat (TPR) protein OsTPR075 interacts with both OsFTIP9 and OsFTIP1 and strengthens their respective interactions with Hd3a and the florigen RICE FLOWERING LOCUS T1 (RFT1). This in turn affects the trafficking of Hd3a and RFT1 to the SAM, thus regulating flowering time under SDs and long-day conditions, respectively. Our findings suggest that florigen transport in rice is mediated by different OsFTIPs under different photoperiods and those interactions between OsTPR075 and OsFTIPs are essential for mediating florigen movement from leaves to the SAM.
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