ArticlePlants (Basel, Switzerland)2019
N-Linked Glycosylation Modulates Golgi-Independent Vacuolar Sorting Mediated by the Plant Specific Insert.
Article in Plants (Basel, Switzerland), 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
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Who cites it
8 citing papers in PubMed, 24 citations in OpenAlex.
- Heterologous Production of Cyprosin B in Nicotiana benthamiana: Unveiling the Role of the Plant-Specific Insert Domain in Protein Function and Subcellular Localisation.Plant biotechnology journal · 2026Article
- Shifting Routes: Plant-Specific Insert Trafficking and Function in Arabidopsis Seedlings Under Abiotic Stress.Plant direct · 2025Article
- Arabidopsis KNS3 and its two homologs mediate endoplasmic reticulum-to-plasma membrane traffic of boric acid channels.Journal of experimental botany · 2024Article
- Interaction Dynamics of Plant-Specific Insert Domains fromMolecules (Basel, Switzerland) · 2024Article
- Coping with Abiotic Stress in Plants-An Endomembrane Trafficking Perspective.Plants (Basel, Switzerland) · 2022Review
- Unconventional Pathways of Protein Secretion: MammalsFrontiers in cell and developmental biology · 2022Review
- Abiotic Stress Triggers the Expression of Genes Involved in Protein Storage Vacuole and Exocyst-Mediated Routes.International journal of molecular sciences · 2021Article
- PSI relieves the pressure of membrane fusion.The Journal of biological chemistry · 2020Article
Corrections and comments
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
Abstract
In plant cells, the conventional route to the vacuole involves the endoplasmic reticulum, the Golgi and the prevacuolar compartment. However, over the years, unconventional sorting to the vacuole, bypassing the Golgi, has been described, which is the case of the Plant-Specific Insert (PSI) of the aspartic proteinase cardosin A. Interestingly, this Golgi-bypass ability is not a characteristic shared by all PSIs, since two related PSIs showed to have different sensitivity to ER-to-Golgi blockage. Given the high sequence similarity between the PSI domains, we sought to depict the differences in terms of post-translational modifications. In fact, one feature that draws our attention is that one is N-glycosylated and the other one is not. Using site-directed mutagenesis to obtain mutated versions of the two PSIs, with and without the glycosylation motif, we observed that altering the glycosylation pattern interferes with the trafficking of the protein as the non-glycosylated PSI-B, unlike its native glycosylated form, is able to bypass ER-to-Golgi blockage and accumulate in the vacuole. This is also true when the PSI domain is analyzed in the context of the full-length cardosin. Regardless of opening exciting research gaps, the results obtained so far need a more comprehensive study of the mechanisms behind this unconventional direct sorting to the vacuole.
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Registered trials
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.