ArticlePlant, cell & environment2020
Halotropism requires phospholipase Dζ1-mediated modulation of cellular polarity of auxin transport carriers.
Article in Plant, cell & environment, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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Who cites it
18 citing papers in PubMed, 60 citations in OpenAlex.
- Stage-specific regulation of seed germination under saline-alkali stress and implications for sequential emergence capacity.Frontiers in plant science · 2026Review
- Response of hidden architects to salt stress.Planta · 2025Review
- Article
- Arabinosylation of cell wall extensin is required for the directional response to salinity in roots.The Plant cell · 2024Article
- Understanding Ameliorating Effects of Boron on Adaptation to Salt Stress in Arabidopsis.Plants (Basel, Switzerland) · 2024Article
- A root cap-localized NAC transcription factor controls root halotropic response to salt stress in Arabidopsis.Nature communications · 2024Article
- Review
- Genome-wide characterization of phospholipase D family genes in allotetraploid peanut and its diploid progenitors revealed their crucial roles in growth and abiotic stress responses.Frontiers in plant science · 2023Article
- Root dynamic growth strategies in response to salinity.Plant, cell & environment · 2022Review
- Modeling Auxin Signaling in Roots: Auxin Computations.Cold Spring Harbor perspectives in biology · 2022Review
- Arabidopsis PLDζ1 and PLDζ2 localize to post-Golgi membrane compartments in a partially overlapping manner.Plant molecular biology · 2022Article
- Root plasticity under abiotic stress.Plant physiology · 2021Review
- Root system architecture analysis inBiology open · 2021Article
- All Roads Lead to Auxin: Post-translational Regulation of Auxin Transport by Multiple Hormonal Pathways.Plant communications · 2020Review
- Halotropism: Phytohormonal Aspects and Potential Applications.Frontiers in plant science · 2020Review
- Halotropism requires phospholipase Dζ1-mediated modulation of cellular polarity of auxin transport carriers.Plant, cell & environment · 2020Article
- Editorial: Ion Homeostasis in Plant Stress and Development.Frontiers in plant science · 2020Article
- Article
Corrections and comments
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Authors and funding
6 authors at 4 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Endocytosis and relocalization of auxin carriers represent important mechanisms for adaptive plant growth and developmental responses. Both root gravitropism and halotropism have been shown to be dependent on relocalization of auxin transporters. Following their homology to mammalian phospholipase Ds (PLDs), plant PLDζ-type enzymes are likely candidates to regulate auxin carrier endocytosis. We investigated root tropic responses for an Arabidopsis pldζ1-KO mutant and its effect on the dynamics of two auxin transporters during salt stress, that is, PIN2 and AUX1. We found altered root growth and halotropic and gravitropic responses in the absence of PLDζ1 and report a role for PLDζ1 in the polar localization of PIN2. Additionally, irrespective of the genetic background, salt stress induced changes in AUX1 polarity. Utilizing our previous computational model, we found that these novel salt-induced AUX1 changes contribute to halotropic auxin asymmetry. We also report the formation of "osmotic stress-induced membrane structures." These large membrane structures are formed at the plasma membrane shortly after NaCl or sorbitol treatment and have a prolonged presence in a pldζ1 mutant. Taken together, these results show a crucial role for PLDζ1 in both ionic and osmotic stress-induced auxin carrier dynamics during salt stress.
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