ArticleNature communications2021
Persistent directional growth capability in Arabidopsis thaliana pollen tubes after nuclear elimination from the apex.
Article in Nature communications, 2021. 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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Who cites it
14 citing papers in PubMed.
- Arabidopsis KASH domains are differentially required for distinct LINC complex roles in stomata, roots and pollen.Journal of cell science · 2026Article
- PEK14: A Kinesin-4 Necessary for Male-Derived Fertility in Arabidopsis thaliana.Cytoskeleton (Hoboken, N.J.) · 2026Article
- Two-step, long-distance nuclear migration guided by distinct actin networks prior to plant root hair formation.PNAS nexus · 2026Article
- Kinesins control male germ unit assembly for sperm delivery in Arabidopsis.Nature plants · 2025Article
- Kinesin proteins HUG1 and HUG2 are essential for the formation and transportation of male germ units in Arabidopsis pollen tubes.Nature plants · 2025Article
- Dynamic changes in chromatin structure and transcriptional activity in the generative cells of Lilium longiflorum.Journal of plant research · 2025Article
- A review on the function of arabinogalactan-proteins during pollen grain development.Plant reproduction · 2025Review
- Integrative dynamics of cell wall architecture and plant growth under salt stress.Frontiers in plant science · 2025Review
- The male germ unit association is independently regulated of GUM inPlant direct · 2024Article
- Distinct functions of microtubules and actin filaments in the transportation of the male germ unit in pollen.Nature communications · 2024Article
- Acetylation of inorganic pyrophosphatase by S-RNase signaling induces pollen tube tip swelling by repressing pectin methylesterase.The Plant cell · 2023Article
- Removal of the endoplasma membrane upon sperm cell activation after pollen tube discharge.Frontiers in plant science · 2023Article
- Possible molecular mechanisms of persistent pollen tube growth withoutFrontiers in plant science · 2022Article
- From birth to function: Male gametophyte development in flowering plants.Current opinion in plant biology · 2021Review
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Authors and funding
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
During the double fertilization process, pollen tubes deliver two sperm cells to an ovule containing the female gametes. In the pollen tube, the vegetative nucleus and sperm cells move together to the apical region where the vegetative nucleus is thought to play a crucial role in controlling the direction and growth of the pollen tube. Here, we report the generation of pollen tubes in Arabidopsis thaliana whose vegetative nucleus and sperm cells are isolated and sealed by callose plugs in the basal region due to apical transport defects induced by mutations in the WPP domain-interacting tail-anchored proteins (WITs) and sperm cell-specific expression of a dominant mutant of the CALLOSE SYNTHASE 3 protein. Through pollen-tube guidance assays, we show that the physiologically anuclear mutant pollen tubes maintain the ability to grow and enter ovules. Our findings provide insight into the sperm cell delivery mechanism and illustrate the independence of the tip-localized vegetative nucleus from directional growth control of the pollen tube.
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