Pinelopi Kokkinopoulou

ORCID: 0009-0007-5619-0287
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Research Areas
  • Plant Molecular Biology Research
  • Polysaccharides and Plant Cell Walls
  • Plant nutrient uptake and metabolism
  • Photosynthetic Processes and Mechanisms
  • Plant Stress Responses and Tolerance
  • Spectroscopy and Chemometric Analyses

Wageningen University & Research
2024

Soil salinity is a major contributor to crop yield losses. To improve our understanding of root responses salinity, we developed and exploited real-time salt-induced tilting assay. This assay follows growth upon both gravitropic salt challenges, revealing that bending modulated by Na+ ions, but not osmotic stress. Next, measured this salt-specific response in 345 natural Arabidopsis (Arabidopsis thaliana) accessions discovered genetic locus, encoding the cell wall-modifying enzyme EXTENSIN...

10.1093/plcell/koae135 article EN cc-by The Plant Cell 2024-05-01

Abstract Soil salinity is a major contributor to crop yield losses. To improve our understanding of root responses salinity, we developed and exploit here real-time salt-induced tilting assay (SITA). This method follows growth upon both gravitropic salt challenges, revealing that bending modulated by but not osmotic stress. Next, this salt-specific response was measured in 345 natural Arabidopsis accessions discovered genetic locus, encoding for the cell-wall modifying enzyme EXTENSIN...

10.1101/2022.06.22.497042 preprint EN bioRxiv (Cold Spring Harbor Laboratory) 2022-06-24

SUMMARY Genes of the family PHOSPHATIDYLETHANOLAMINE‐BINDING PROTEINS ( PEBP ) have been intensely studied in plants for their role cell (re)programming and meristem differentiation. Recently, sporadic reports presence a new type became available, highly similar to YY ‐ PEBPs prokaryotes. A comprehensive investigation spread, origin, function revealed conservation across plant kingdom. The YY‐PEBP clade seems resulted from single Horizontal Gene Transfer (HGT) episode prokaryotic organism an...

10.1111/tpj.17057 article EN cc-by-nc-nd The Plant Journal 2024-10-04

ABSTRACT Accurately determining the elemental composition of plant tissues is essential for physiological studies on stress, including salinity tolerance. However, high-throughput routine analysis light elements (range sodium to calcium) in samples challenging due need complete sample dissolution and expensive inductively coupled plasma-mass-spectrometry (ICP-MS) analysis. Lower costs method (ion chromatography, ion selective electrodes) exists, but also require lack sensitivity very small...

10.1101/2024.10.22.619597 preprint EN cc-by-nc-nd bioRxiv (Cold Spring Harbor Laboratory) 2024-10-25
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