ArticleThe New phytologist2022
Salinity induces discontinuous protoxylem via a DELLA-dependent mechanism promoting salt tolerance in Arabidopsis seedlings.
Article in The New phytologist, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers, 1 of them a synthesis that pooled it.
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Who cites it
13 citing papers in PubMed, 1 synthesis or guideline pooled it, 20 citations in OpenAlex.
- Abiotic Stress in Crop Production.International journal of molecular sciences · 2023Pooled it
- Origin and Development of Phloem and Xylem as Revealed in 3D Models of the Vascular Cylinder in Primary Roots ofPlants (Basel, Switzerland) · 2026Article
- Population-specific physiological response profiles characterize salinity tolerance in the Antarctic extremophileFrontiers in plant science · 2026Article
- The ZAT14 family promotes cell death and regulates expansins to affect xylem formation and salt tolerance in Arabidopsis.The Plant cell · 2025Article
- XND1-centered network regulates salt tolerance by integrating root xylem plasticity and NaProceedings of the National Academy of Sciences of the United States of America · 2025Article
- Genome-Wide Identification ofBiology · 2025Article
- Nicotiana benthamiana VASCULAR-RELATED NAC-DOMAIN7-2 (NbVND7-2) has a role in xylem formation during interfamily grafting.Journal of experimental botany · 2025Article
- The transcriptional integration of environmental cues with root cell type development.Plant physiology · 2024Review
- Genome-wide identification and expression pattern analysis of the kiwifruit GRAS transcription factor family in response to salt stress.BMC genomics · 2024Article
- Hormonal control of the molecular networks guiding vascular tissue development in the primary root meristem of Arabidopsis.Journal of experimental botany · 2023Review
- microRNA165 and 166 modulate response of the Arabidopsis root apical meristem to salt stress.Communications biology · 2023Article
- Root and Leaf Anatomy, Ion Accumulation, and Transcriptome Pattern under Salt Stress Conditions in Contrasting Genotypes ofPlants (Basel, Switzerland) · 2023Article
- Genome-Wide Characterization and Expression Profiling of theInternational journal of molecular sciences · 2022Article
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Salinity is detrimental to plants and developmental adjustments limiting salt uptake and transport is therefore important for acclimation to high salt. These parameters may be influenced by xylem morphology, however how plant root xylem development is affected by salt stress remains unclear. Using molecular and genetic techniques and detailed phenotypic analyses, we demonstrate that salt causes distinct effects on Arabidopsis seedling root xylem and reveal underlying molecular mechanisms. Salinity causes intermittent inhibition of protoxylem cell differentiation, generating protoxylem gaps, in Arabidopsis and several other eudicot seedlings. The extent of protoxylem gaps in seedlings positively correlates with salt tolerance. Reduced gibberellin signalling is required for protoxylem gap formation. Mutant analyses reveal that the xylem differentiation regulator VASCULAR RELATED NAC DOMAIN 6 (VND6), along with secondary cell wall producing and cell wall modifying enzymes, including EXPANSIN A1 (EXP1), are involved in protoxylem gap formation, in a DELLA-dependent manner. Salt stress is likely to reduce levels of bioactive gibberellins, stabilising DELLAs, which in turn activates multiple factors modifying protoxylem differentiation. Salt stress impacts seedling survival and formation of protoxylem gaps may be a measure to enhance salt tolerance.
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