ArticleScientific reports2015
Arabidopsis FHY3/CPD45 regulates far-red light signaling and chloroplast division in parallel.
Article in Scientific reports, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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14 citing papers in PubMed.
- Plant organelle division orchestrated by the mosaic machinery of endosymbiotic relics and eukaryotic host factors.Plant physiology · 2026Review
- ThePlants (Basel, Switzerland) · 2026Review
- Article
- Genome-Wide Identification and Expression Analysis of the FAR1-RELATED SEQUENCE (FRS) Gene Family in Grape (International journal of molecular sciences · 2025Article
- Immunofluorescence staining of chloroplast proteins with frozen sections of plant tissues.Plant cell reports · 2024Article
- Genome-Wide Identification and Functional Characterization ofPlants (Basel, Switzerland) · 2023Article
- Transposon-derived transcription factors across metazoans.Frontiers in cell and developmental biology · 2023Article
- A novel amphiphilic motif at the C-terminus of FtsZ1 facilitates chloroplast division.The Plant cell · 2022Article
- Mutation of SlARC6 leads to tissue-specific defects in chloroplast development in tomato.Horticulture research · 2021Article
- Challenges and Approaches to Crop Improvement Through C3-to-C4 Engineering.Frontiers in plant science · 2021Review
- FAR1-RELATED SEQUENCE (FRS) and FRS-RELATED FACTOR (FRF) Family Proteins inFrontiers in plant science · 2018Review
- The Molecular Machinery of Chloroplast Division.Plant physiology · 2018Review
- PDV2 has a dosage effect on chloroplast division in Arabidopsis.Plant cell reports · 2017Article
- An improved immunofluorescence staining method for chloroplast proteins.Plant cell reports · 2016Article
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5 authors.
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Abstract
CPD45 (chloroplast division45),which is also known as FHY3 (far-red elongated hypocotyl3), is a key factor in the far-red light signaling pathway in Arabidopsis. We previously showed that FHY3/CPD45 also regulates chloroplast division. Because light is also a regulator of chloroplast development and division, we sought to clarify the relationship between far-red light signaling and chloroplast division pathways. We found that the chloroplast division mutant arc5-3 had no defect in far-red light sensing, and that constitutive overexpression of ARC5 rescued the chloroplast division defect, but not the defect in far-red light signaling, of cpd45. fhy1, which is defective in far-red light signaling, exhibited normal chloroplast division. Constitutive overexpression of FHY1 rescued the far-red light signaling defect, but not the chloroplast division defect, of cpd45. Moreover, ARC5 and FHY1 expression were not affected in fhy1 and arc5-3, respectively. Based on these results, we propose that FHY3/CPD45 regulates far-red light signaling and chloroplast division in parallel by activating the expression of FHY1 and ARC5 independently. This work demonstrates how relationships between different pathways in a gene regulatory network can be explored.
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