ArticlePlant molecular biology2013
Involvement of rose aquaporin RhPIP1;1 in ethylene-regulated petal expansion through interaction with RhPIP2;1.
Article in Plant molecular biology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 43 papers.
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Who cites it
43 citing papers in PubMed, 97 citations in OpenAlex.
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- Physiological, Genome-Wide Characterization and Expression Analysis of Aquaporin Gene Family ofGenes · 2026Article
- Scaffold protein RhCASPL1D1 stabilizes RhPIP2 aquaporins and promotes flower recovery after dehydration in rose (Horticulture research · 2025Article
- Two aquaporins, LcPIP1;4 and LcPIP1;4a, cooperatively regulate the onset of dormancy of the terminal buds in evergreen perennial litchi (Horticulture research · 2025Article
- Sizing up beauty: Mechanisms of petal size regulation in ornamental plants.Plant physiology · 2025Review
- A Plasma Membrane Intrinsic Protein GeneInternational journal of molecular sciences · 2024Article
- Dormancy regulator Prunus mume DAM6 promotes ethylene-mediated leaf senescence and abscission.Plant molecular biology · 2024Article
- RhMED15a-like, a subunit of the Mediator complex, is involved in the drought stress response in Rosa hybrida.BMC plant biology · 2024Article
- Genome-Wide Identification, Characterization, and Expression Analysis of Long-Chain Acyl-CoA Synthetases inInternational journal of molecular sciences · 2023Article
- MPK6-mediated HY5 phosphorylation regulates light-induced anthocyanin accumulation in apple fruit.Plant biotechnology journal · 2023Article
- Green synthesis of silver nanoparticles usingFrontiers in plant science · 2023Article
- Exploring aquaporin functions during changes in leaf water potential.Frontiers in plant science · 2023Review
- Expression of ExogenousBiology · 2022Article
- An Aux/IAA Family Member,Genes · 2022Article
- CkREV regulates xylem vessel development inFrontiers in plant science · 2022Article
- Genome-Wide Characterization of the Aquaporin Gene Family in Radish and Functional Analysis ofFrontiers in plant science · 2022Article
- Hormonal and environmental signaling pathways target membrane water transport.Plant physiology · 2021Review
- Molecular understanding of postharvest flower opening and senescence.Molecular horticulture · 2021Review
- Transcriptome Analysis Reveals the Senescence Process Controlling the Flower Opening and Closure Rhythm in the Waterlilies (Frontiers in plant science · 2021Article
Corrections and comments
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Authors and funding
9 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Aquaporins (AQPs) are multifunctional membrane channels and facilitate the transport of water across plant cell membranes. Among the plant AQPs, plasma membrane intrinsic proteins (PIPs), which cluster in two phylogenetic groups (PIP1 and PIP2), play a key role in plant growth. Our previous work has indicated that RhPIP2;1, a member of PIP2, is involved in ethylene-regulated cell expansion of rose petals. However, whether PIP1s also play a role in petal expansion is still unclear. Here, we identified RhPIP1;1, a PIP1 subfamily member, from 18 PIPs assemble transcripts in rose microarray database responsive to ethylene. RhPIP1;1 was rapidly and significantly down-regulated by ethylene treatment. RhETRs-silencing also clearly decreased the expression of RhPIP1;1 in rose petals. The activity of the RhPIP1;1 promoter was repressed by ethylene in rosettes and roots of Arabidopsis. RhPIP1;1 is mainly localized on endoplasmic reticulum and plasma membrane. We demonstrated that RhPIP1;1-silencing significantly inhibited the expansion of petals with decreased petal size and cell area, as well as reduced fresh weight when compared to controls. Expression of RhPIP1;1 in Xenopus oocytes indicated that RhPIP1;1 was inactive in terms of water transport, while coexpression of RhPIP1;1 with the functional RhPIP2;1 led to a significant increase in plasma membrane permeability. Yeast growth, β-Galactosidase activity, bimolecular fluorescence complementation, and colocalization assay proved existence of the interaction between RhPIP1;1 and RhPIP2;1. We argue that RhPIP1;1 plays an important role in ethylene-regulated petal cell expansion, at least partially through the interaction with RhPIP2;1.
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