ArticleThe Plant cell2005
Destination-selective long-distance movement of phloem proteins.
Article in The Plant cell, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 37 papers.
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Who cites it
37 citing papers in PubMed, 115 citations in OpenAlex.
- Auxin Biosynthesis, Transport, Signaling, and Its Roles in Plant Leaf Morphogenesis.Plants (Basel, Switzerland) · 2025Review
- Xylem Sap Proteome Analysis Provides Insight into Root-Shoot Communication in Response to flg22.Plants (Basel, Switzerland) · 2024Article
- Evolutionary and Structural Analysis of PP16 in Viridiplantae.International journal of molecular sciences · 2024Article
- Nutritional status of Zombi pea (Vigna vexillata) as influenced by plant density and deblossoming.Scientific reports · 2024Article
- The Interplay between Enucleated Sieve Elements and Companion Cells.Plants (Basel, Switzerland) · 2023Review
- Cucumis sativus PHLOEM PROTEIN 2-A1 like gene positively regulates salt stress tolerance in cucumber seedlings.Plant molecular biology · 2023Article
- Engineering Macromolecular Trafficking Into the Citrus Vasculature.Frontiers in plant science · 2022Article
- RBP differentiation contributes to selective transmissibility of OPT3 mRNAs.Plant physiology · 2021Article
- Article
- Unraveling the Roles of Vascular Proteins Using Proteomics.Molecules (Basel, Switzerland) · 2021Review
- Phloem Sap Proteins Are Part of a Core Stress Responsive Proteome Involved in Drought Stress Adjustment.Frontiers in plant science · 2021Article
- The interplay of phloem-mobile signals in plant development and stress response.Bioscience reports · 2020Review
- Systemic signalling through translationally controlled tumour protein controls lateral root formation in Arabidopsis.Journal of experimental botany · 2019Article
- Translationally controlled tumour protein (TCTP) from tomato and Nicotiana benthamiana is necessary for successful infection by a potyvirus.Molecular plant pathology · 2017Article
- The Nucleolar Fibrillarin Protein Is Required for Helper Virus-Independent Long-Distance Trafficking of a Subviral Satellite RNA in Plants.The Plant cell · 2016Article
- Expression Profiles, Characterization and Function of HbTCTP in Rubber Tree (Hevea brasiliensis).Frontiers in plant science · 2016Article
- Article
- Structural divergence of plant TCTPs.Frontiers in plant science · 2014Article
- Long distance movement of an Arabidopsis Translationally Controlled Tumor Protein (AtTCTP2) mRNA and protein in tobacco.Frontiers in plant science · 2014Article
- The effect of translationally controlled tumour protein (TCTP) on programmed cell death in plants.BMC plant biology · 2013Article
Corrections and comments
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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 phloem macromolecular transport system plays a pivotal role in plant growth and development. However, little information is available regarding whether the long-distance trafficking of macromolecules is a controlled process or passive movement. Here, we demonstrate the destination-selective long-distance trafficking of phloem proteins. Direct introduction, into rice (Oryza sativa), of phloem proteins from pumpkin (Cucurbita maxima) was used to screen for the capacity of specific proteins to move long distance in rice sieve tubes. In our system, shoot-ward translocation appeared to be passively carried by bulk flow. By contrast, root-ward movement of the phloem RNA binding proteins 16-kD C. maxima phloem protein 1 (CmPP16-1) and CmPP16-2 was selectively controlled. When CmPP16 proteins were purified, the root-ward movement of CmPP16-1 became inefficient, suggesting the presence of pumpkin phloem factors that are responsible for determining protein destination. Gel-filtration chromatography and immunoprecipitation showed that CmPP16-1 formed a complex with other phloem sap proteins. These interacting proteins positively regulated the root-ward movement of CmPP16-1. The same proteins interacted with CmPP16-2 as well and did not positively regulate its root-ward movement. Our data demonstrate that, in addition to passive bulk flow transport, a destination-selective process is involved in long-distance movement control, and the selective movement is regulated by protein-protein interaction in the phloem sap.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.