ArticlePlant physiology2010
FIBRILLIN4 is required for plastoglobule development and stress resistance in apple and Arabidopsis.
Article in Plant physiology, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 49 papers.
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49 citing papers in PubMed, 110 citations in OpenAlex.
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- Structural insights into the molecular mechanisms of OsFBN5-induced OsSPS3 catalysis.Nature plants · 2026Article
- Chloroplast Fibrillin-Mediated α-Tocopherol Biosynthesis Impaired by a Virus to Enhance Infection and to Improve Drought Tolerance.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Secreted Glycoside Hydrolase BcGH61 From Botrytis cinerea Induces Cell Death by the Apoplastic Location and Triggers Intracellular Immune Perception.Molecular plant pathology · 2026Article
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- Targeted genotyping (90K-SPET) facilitates genome-wide association studies and the prediction of yield-related traits in faba bean (Vicia faba L.).BMC plant biology · 2025Article
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- COI1 F-box proteins regulate DELLA protein levels, growth, and photosynthetic efficiency in maize.The Plant cell · 2024Article
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- Heterotrophic bacteria trigger transcriptome remodelling in the photosynthetic picoeukaryote Micromonas commoda.Environmental microbiology reports · 2024Article
- Host-Parasite interaction between brown algae and eukaryote biotrophic pathogens.Current research in microbial sciences · 2024Article
- Fibrillin gene family and its role in plant growth, development, and abiotic stress.Frontiers in plant science · 2024Review
- Effects of drought stress on photosynthetic physiological characteristics, leaf microstructure, and related gene expression of yellow horn.Plant signaling & behavior · 2023Article
- A TaSnRK1α Modulates TaPAP6L-Mediated Wheat Cold Tolerance through Regulating Endogenous Jasmonic Acid.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2023Article
- Identification of TaGL1-B1 gene controlling grain length through regulation of jasmonic acid in common wheat.Plant biotechnology journal · 2023Article
- Overexpression of plastid lipid-associated protein in marine diatom enhances the xanthophyll synthesis and storage.Frontiers in microbiology · 2023Article
- L-Aspartate and L-Glutamine Inhibit Beta-Aminobutyric Acid-Induced Resistance in Tomatoes.Plants (Basel, Switzerland) · 2022Article
- Proteomic and physiological analyses to elucidate nitric oxide-mediated adaptive responses of barley under cadmium stress.Physiology and molecular biology of plants : an international journal of functional plant biology · 2022Article
- Fibrillin2 in chloroplast plastoglobules participates in photoprotection and jasmonate-induced senescence.Plant physiology · 2022Article
Corrections and comments
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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
The fibrillins are a large family of chloroplast proteins that have been linked with stress tolerance and disease resistance. FIBRILLIN4 (FIB4) is found associated with the photosystem II light-harvesting complex, thylakoids, and plastoglobules, which are chloroplast compartments rich in lipophilic antioxidants. For this study, FIB4 expression was knocked down in apple (Malus 3 domestica) using RNA interference. Plastoglobule osmiophilicity was decreased in fib4 knockdown (fib4 KD) tree chloroplasts compared with the wild type, while total plastoglobule number was unchanged. Compared with the wild type, net photosynthetic CO(2) fixation in fib4 KD trees was decreased at high light intensity but was increased at low light intensity. Furthermore, fib4 KD trees produced more anthocyanins than the wild type when transferred from low to high light intensity, indicating greater sensitivity to high light stress. Relative to the wild type, fib4 KD apples were more sensitive to methyl viologen and had higher superoxide levels during methyl viologen treatment. Arabidopsis (Arabidopsis thaliana) fib4 mutants and fib4 KD apples were more susceptible than their wild-type counterparts to the bacterial pathogens Pseudomonas syringae pathovar tomato and Erwinia amylovora, respectively, and were more sensitive to ozone-induced tissue damage. Following ozone stress, plastoglobule osmiophilicity decreased in wild-type apple and remained low in fib4 KD trees; total plastoglobule number increased in fib4 KD apples but not in the wild type. These results indicate that FIB4 is required for plastoglobule development and resistance to multiple stresses. This study suggests that FIB4 is involved in regulating plastoglobule content and that defective regulation of plastoglobule content leads to broad stress sensitivity and altered photosynthetic activity.
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