Cited by 476Light effects on plantsPhotosynthetic Processes and MechanismsPlant Molecular Biology Research

Phototropin-related NPL1 controls chloroplast relocation induced by blue light

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Jarillo, Jose A., Gabrys, Halina, Capel, Juan, Alonso, Jose M., Ecker, Joseph R., Cashmore, Anthony R.·2001·Nature

Abstract

In photosynthetic cells, chloroplasts migrate towards illuminated sites to optimize photosynthesis and move away from excessively illuminated areas to protect the photosynthetic machinery. Although this movement of chloroplasts in response to light has been known for over a century, the photoreceptor mediating this process has not been identified. The Arabidopsis gene NPL1 (ref. 2) is a paralogue of the NPH1 gene, which encodes phototropin, a photoreceptor for phototropic bending. Here we show that NPL1 is required for chloroplast relocation induced by blue light. A loss-of-function npl1 mutant showed no chloroplast avoidance response in strong blue light, whereas the accumulation of chloroplasts in weak light was normal. These results indicate that NPL1 may function as a photoreceptor mediating chloroplast relocation.

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Crossref · 10.1038/35073622

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Authors
Jarillo, J. A., Gabrys, H., Capel, J., Alonso, J. M., Ecker, J. R., & Cashmore, A. R.
Affiliations
  • University of Almería (ES)
  • Salk Institute for Biological Studies (US)
  • University of Pennsylvania (US)
Corresponding author
Cashmore, Anthony R.
Venue
Nature
Published
2001-04-19
Volume
410
Issue
6831
Pages
952-954
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W2035433344
Cited by
476
References
21
Citations by year
2026: 10 · 2025: 10 · 2024: 13 · 2023: 12 · 2022: 14 · 2021: 16 · 2020: 21 · 2019: 15 · 2018: 12 · 2017: 13 · 2016: 21 · 2015: 17 · 2014: 13 · 2013: 21 · 2012: 21
FWCI
37.42
Type
journal article
Language
en
Open access
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • Jagiellonian University Repository (Jagiellonian University) (submittedVersion, other-oa)
  • RePEc: Research Papers in Economics (submittedVersion)
Topics
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Light effects on plants
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Photosynthetic Processes and Mechanisms
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Molecular Biology Research
Keywords
phototropin, blue light, photoreceptors, Arabidopsis thaliana, chloroplast movement
MeSH terms
Chloroplasts, Eye Proteins, Flavoproteins, Light, Movement, Mutation, Phosphoproteins, Plant Proteins, RNA, Messenger, Gene Expression, Genes, Plant, Protein Serine-Threonine Kinases, Arabidopsis, Photoreceptor Cells, Invertebrate, Plant Leaves, Arabidopsis Proteins, Drosophila Proteins, Receptors, G-Protein-Coupled, Cryptochromes

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