ArticleJournal of experimental botany2023
Chlorophyll fluorescence-based high-throughput phenotyping facilitates the genetic dissection of photosynthetic heat tolerance in African (Oryza glaberrima) and Asian (Oryza sativa) rice.
Article in Journal of experimental botany, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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10 citing papers in PubMed, 22 citations in OpenAlex.
- High-Throughput Phenotyping: Status and Applications in Rice Breeding.Plants (Basel, Switzerland) · 2026Review
- Diversity Analysis of Global White Clover (International journal of molecular sciences · 2026Article
- Geometric image-based phenotyping and physiological analysis for validation of rice salinity tolerance screening under artificial pot conditions.BMC plant biology · 2026Article
- Integrative genomic approaches to unravel genomic regions and candidate genes associated with flag leaf photosynthesis at the reproductive stage in rice.Frontiers in plant science · 2026Article
- Shining light on photosynthesis.Journal of experimental botany · 2025Article
- Revisiting development and physiology of wild rice relatives for crop improvement and climate resilience.Plant cell reports · 2025Review
- Decrypting molecular mechanism of heat stress tolerance in rice to tackle climate change challenges through recent approaches.Frontiers in plant science · 2025Review
- Discovering novel genomic regions explaining adaptation of bread wheat to conservation agriculture through GWAS.Scientific reports · 2024Article
- Analysis of Photosynthetic Characteristics and Screening High Light-Efficiency Germplasm in Sugarcane.Plants (Basel, Switzerland) · 2024Article
- Early-Stage Detection of Biotic and Abiotic Stress on Plants by Chlorophyll Fluorescence Imaging Analysis.Biosensors · 2023Review
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Authors and funding
11 authors at 3 institutions in 3 countries.
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No grant is acknowledged in the PubMed record.
Abstract
Rising temperatures and extreme heat events threaten rice production. Half of the global population relies on rice for basic nutrition, and therefore developing heat-tolerant rice is essential. During vegetative development, reduced photosynthetic rates can limit growth and the capacity to store soluble carbohydrates. The photosystem II (PSII) complex is a particularly heat-labile component of photosynthesis. We have developed a high-throughput chlorophyll fluorescence-based screen for photosynthetic heat tolerance capable of screening hundreds of plants daily. Through measuring the response of maximum PSII efficiency to increasing temperature, this platform generates data for modelling the PSII-temperature relationship in large populations in a small amount of time. Coefficients from these models (photosynthetic heat tolerance traits) demonstrated high heritabilities across African (Oryza glaberrima) and Asian (Oryza sativa, Bengal Assam Aus Panel) rice diversity sets, highlighting valuable genetic variation accessible for breeding. Genome-wide association studies were performed across both species for these traits, representing the first documented attempt to characterize the genetic basis of photosynthetic heat tolerance in any species to date. A total of 133 candidate genes were highlighted. These were significantly enriched with genes whose predicted roles suggested influence on PSII activity and the response to stress. We discuss the most promising candidates for improving photosynthetic heat tolerance in rice.
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