ArticleNature communications2015
The Arabidopsis alkaline ceramidase TOD1 is a key turgor pressure regulator in plant cells.
Article in Nature communications, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers.
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Who cites it
27 citing papers in PubMed, 60 citations in OpenAlex.
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- Homeostasis of flavonoids and triterpenoids most likely modulates starch metabolism for pollen tube penetration in rice.Plant biotechnology journal · 2023Article
- Sterols and Sphingolipids as New Players in Cell Wall Building and Apical Growth ofPlants (Basel, Switzerland) · 2022Article
- Polymerization of the backbone of the pectic polysaccharide rhamnogalacturonan I.Nature plants · 2022Article
- Diversity in sphingolipid metabolism across land plants.Journal of experimental botany · 2022Review
- An ortholog of the MADS-box gene SEPALLATA3 regulates stamen development in the woody plant Jatropha curcas.Planta · 2022Article
- Jasmonates modulate sphingolipid metabolism and accelerate cell death in the ceramide kinase mutant acd5.Plant physiology · 2021Article
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- Transformation ofPlant biotechnology (Tokyo, Japan) · 2021Article
- LC-MS based metabolic fingerprinting of apricot pistils after self-compatible and self-incompatible pollinations.Plant molecular biology · 2021Article
- Reannotation of the cultivated strawberry genome and establishment of a strawberry genome database.Horticulture research · 2021Article
- A potential pathway for flippase-facilitated glucosylceramide catabolism in plants.Plant signaling & behavior · 2020Article
- Plasma membrane HNature communications · 2020Article
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- Intracellular mechanisms of fungal space searching in microenvironments.Proceedings of the National Academy of Sciences of the United States of America · 2019Article
- Golgi-localized LOT regulatesProceedings of the National Academy of Sciences of the United States of America · 2018Article
- The Long Journey of Pollen Tube in the Pistil.International journal of molecular sciences · 2018Review
- Identification of Key Enzymes for Pectin Synthesis in Seed Mucilage.Plant physiology · 2018Article
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Turgor pressure plays pivotal roles in the growth and movement of walled cells that make up plants and fungi. However, the molecular mechanisms regulating turgor pressure and the coordination between turgor pressure and cell wall remodelling for cell growth remain poorly understood. Here, we report the characterization of Arabidopsis TurgOr regulation Defect 1 (TOD1), which is preferentially expressed in pollen tubes and silique guard cells. We demonstrate that TOD1 is a Golgi-localized alkaline ceramidase. tod1 mutant pollen tubes have higher turgor than wild type and show growth retardation both in pistils and in agarose medium. In addition, tod1 guard cells are insensitive to abscisic acid (ABA)-induced stomatal closure, whereas sphingosine-1-phosphate, a putative downstream component of ABA signalling and product of alkaline ceramidases, promotes closure in both wild type and tod1. Our data suggest that TOD1 acts in turgor pressure regulation in both guard cells and pollen tubes.
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