ArticleFrontiers in plant science2022
Photosynthetic Light Harvesting and Thylakoid Organization in a CRISPR/Cas9 Arabidopsis Thaliana LHCB1 Knockout Mutant.
Article in Frontiers in plant science, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.
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20 citing papers in PubMed, 42 citations in OpenAlex.
- Article
- Specific light-harvesting complexes mediate grana stacking and prevent energy spillover between photosystems in plant chloroplasts.The Plant cell · 2026Article
- Leaf development regulates state transition capacity in trees.Nature communications · 2026Article
- Singlet Oxygen in Plants: Mechanistic Insights into Production, Oxidative Damage, and Stress-Response Signaling.Antioxidants (Basel, Switzerland) · 2026Review
- Laminar patterning transcription factors orchestrate spatial metabolite partitioning in Capsicum fruit.Nature plants · 2026Article
- Transcriptome-based investigation of the response and repair mechanisms in the photosynthetic system of Cycas panzhihuaensis under dual high-temperature and drought stress.BMC plant biology · 2026Article
- State transitions in Physcomitrium patens studied with time-resolved fluorescence.Photosynthesis research · 2026Article
- What are grana in chloroplasts of vascular plants good for?Annals of botany · 2026Review
- Charge reversal at the Lhcb2 N-terminus impairs phosphorylation and PSI-LHCII complex formation.Photosynthesis research · 2026Article
- Genome-Wide Identification and Functional Characterization of theInternational journal of molecular sciences · 2025Article
- Genetic diversity and adaptive evolutionary history of Sapindus in China: insights from whole-genome resequencing of 100 representative individuals.Plant biotechnology journal · 2025Article
- Unraveling yield heterosis in Chinese cabbage hybrid by comparative transcriptomic analysis andFrontiers in plant science · 2025Article
- Light-Driven Hybrid Nanoreactor Harnessing the Synergy of Carboxysomes and Organic Frameworks for Efficient Hydrogen Production.ACS catalysis · 2024Article
- Transcriptome analysis revealed enrichment pathways and regulation of gene expression associated with somatic embryogenesis in Camellia sinensis.Scientific reports · 2023Article
- Integrated Analysis of the Transcriptome and Metabolome ofInternational journal of molecular sciences · 2023Article
- Article
- Article
- Single chloroplast in folio imaging sheds light on photosystem energy redistribution during state transitions.Plant physiology · 2023Article
- Different Photosynthetic Response to High Light in Four Triticeae Crops.International journal of molecular sciences · 2023Article
- Photosystem II supercomplexes lacking light-harvesting antenna protein LHCB5 and their organization in the thylakoid membrane.Physiologia plantarumArticle
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Authors and funding
11 authors at 5 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Light absorbed by chlorophylls of Photosystems II and I drives oxygenic photosynthesis. Light-harvesting complexes increase the absorption cross-section of these photosystems. Furthermore, these complexes play a central role in photoprotection by dissipating the excess of absorbed light energy in an inducible and regulated fashion. In higher plants, the main light-harvesting complex is trimeric LHCII. In this work, we used CRISPR/Cas9 to knockout the five genes encoding LHCB1, which is the major component of LHCII. In absence of LHCB1, the accumulation of the other LHCII isoforms was only slightly increased, thereby resulting in chlorophyll loss, leading to a pale green phenotype and growth delay. The Photosystem II absorption cross-section was smaller, while the Photosystem I absorption cross-section was unaffected. This altered the chlorophyll repartition between the two photosystems, favoring Photosystem I excitation. The equilibrium of the photosynthetic electron transport was partially maintained by lower Photosystem I over Photosystem II reaction center ratio and by the dephosphorylation of LHCII and Photosystem II. Loss of LHCB1 altered the thylakoid structure, with less membrane layers per grana stack and reduced grana width. Stable LHCB1 knockout lines allow characterizing the role of this protein in light harvesting and acclimation and pave the way for future
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