ArticleJournal of experimental botany2011
PwHAP5, a CCAAT-binding transcription factor, interacts with PwFKBP12 and plays a role in pollen tube growth orientation in Picea wilsonii.
Article in Journal of experimental botany, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 40 citations in OpenAlex.
- Article
- Genome-wide analysis of the FKBP gene family and the potential role of GhFKBP 13 in chloroplast biogenesis in upland cotton.BMC genomics · 2025Article
- Identification, characterization and spatiotemporal expression analysis of the FKBP family genes in Locusta migratoria.Scientific reports · 2023Article
- Overexpression of anFrontiers in plant science · 2022Article
- Functional analysis of the heterotrimeric NF-Y transcription factor complex in cassava disease resistance.Annals of botany · 2020Article
- Picea wilsonii transcription factor NAC2 enhanced plant tolerance to abiotic stress and participated in RFCP1-regulated flowering time.Plant molecular biology · 2018Article
- Genome-wide analyses of genes encoding FK506-binding proteins reveal their involvement in abiotic stress responses in apple.BMC genomics · 2018Article
- Constitutive overexpression of the TaNF-YB4 gene in transgenic wheat significantly improves grain yield.Journal of experimental botany · 2015Article
- Genome-wide expression analysis of soybean NF-Y genes reveals potential function in development and drought response.Molecular genetics and genomics : MGG · 2015Article
- Identification and characterization of NF-Y transcription factor families in Canola (Brassica napus L.).Planta · 2014Article
- Article
- The promiscuous life of plant NUCLEAR FACTOR Y transcription factors.The Plant cell · 2012Review
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Authors and funding
9 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The HAP complex occurs in many eukaryotic organisms and is involved in multiple physiological processes. Here it was found that in Picea wilsonii, HAP5 (PwHAP5), a putative CCAAT-binding transcription factor gene, is involved in pollen tube development and control of tube orientation. Quantitative real-time reverse transcription-PCR showed that PwHAP5 transcripts were expressed strongly in germinating pollen and could be induced by Ca(2+). Overexpression of PwHAP5 in pollen altered pollen tube orientation, whereas the tube with PwHAP5RNAi showed normal growth without diminishing pollen tube growth. Furthermore, PwFKBP12, which encodes an FK506-binding protein (FKBP) was screened and a bimolecular fluorescence complementation assay performed to confirm the interaction of PwHAP5 and PwFKBP12 in vivo. Transient expression of PwFKBP12 in pollen showed normal pollen tube growth, whereas the tube with PwFKBP12RNAi bent. The phenotype of overexpression of HAP5 on pollen tube was restored by FKBP12. Altogether, our study supported the role of HAP5 in pollen tube development and orientation regulation and identified FKBP12 as a novel partner to interact with HAP5 involved in the process.
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