ArticleThe Plant cell2002
Regulation of the pollen-specific actin-depolymerizing factor LlADF1.
Article in The Plant cell, 2002. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 73 papers.
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Who cites it
73 citing papers in PubMed, 164 citations in OpenAlex.
- Cytoskeletal control of development and environmental adaptation in plants.Science China. Life sciences · 2026Review
- Evolution of the thermostability of actin-depolymerizing factors enhances the adaptation of pollen germination to high temperature.The Plant cell · 2024Article
- Actin-depolymerizing factors 8 and 11 promote root hair elongation at high pH.Plant communications · 2024Article
- Genome-wide identification of actin-depolymerizing factor family genes in melon (Frontiers in plant science · 2024Article
- Differential sensitivity of ADF isovariants to a pH gradient promotes pollen tube growth.The Journal of cell biology · 2023Article
- Exploring the Role of the Plant Actin Cytoskeleton: From Signaling to Cellular Functions.International journal of molecular sciences · 2023Review
- The α-arrestin SUP-13/ARRD-15 promotes isoform turnover of actin-interacting protein 1 inPNAS nexus · 2023Article
- Activation of actin-depolymerizing factor by CDPK16-mediated phosphorylation promotes actin turnover in Arabidopsis pollen tubes.PLoS biology · 2023Article
- Expression of Clementine Asp-Rich Proteins (CcASP-RICH) in Tobacco Plants Interferes with the Mechanism of Pollen Tube Growth.International journal of molecular sciences · 2022Article
- Let's shape again: the concerted molecular action that builds the pollen tube.Plant reproduction · 2022Review
- Phosphatidylinositol 3-phosphate regulates SCAB1-mediated F-actin reorganization during stomatal closure in Arabidopsis.The Plant cell · 2022Article
- The quest for the central players governing pollen tube growth and guidance.Plant physiology · 2021Review
- Abiotic Stress-InducedFrontiers in plant science · 2021Article
- Dynamics of Pollen Activation and the Role of HPlants (Basel, Switzerland) · 2020Article
- New opportunities and insights into Papaver self-incompatibility by imaging engineered Arabidopsis pollen.Journal of experimental botany · 2020Article
- Genome-Wide Identification and Characterization of Actin-Depolymerizing Factor (International journal of molecular sciences · 2020Article
- Control of the Actin Cytoskeleton Within Apical and Subapical Regions of Pollen Tubes.Frontiers in cell and developmental biology · 2020Review
- The Balance between Actin-Bundling Factors Controls Actin Architecture in Pollen Tubes.iScience · 2019Article
- Self-incompatibility in Papaver pollen: programmed cell death in an acidic environment.Journal of experimental botany · 2019Review
- Arabidopsis ADF5 promotes stomatal closure by regulating actin cytoskeleton remodeling in response to ABA and drought stress.Journal of experimental botany · 2019Article
13 more citing papers are in PubMed but not listed here.
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Authors and funding
8 authors at 4 institutions in 1 country.
Funding
Abstract
Pollen tube growth is dependent on a dynamic actin cytoskeleton, suggesting that actin-regulating proteins are involved. We have examined the regulation of the lily pollen-specific actin-depolymerizing factor (ADF) LlADF1. Its actin binding and depolymerizing activity is pH sensitive, inhibited by certain phosphoinositides, but not controlled by phosphorylation. Compared with its F-actin binding properties, its low activity in depolymerization assays has been used to explain why pollen ADF decorates F-actin in pollen grains. This low activity is incompatible with a role in increasing actin dynamics necessary to promote pollen tube growth. We have identified a plant homolog of actin-interacting protein, AIP1, which enhances the depolymerization of F-actin in the presence of LlADF1 by approximately 60%. Both pollen ADF and pollen AIP1 bind F-actin in pollen grains but are mainly cytoplasmic in pollen tubes. Our results suggest that together these proteins remodel actin filaments as pollen grains enter and exit dormancy.
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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.