ArticleFrontiers in plant science2016
Identification of Putative RuBisCo Activase (TaRca1)-The Catalytic Chaperone Regulating Carbon Assimilatory Pathway in Wheat (Triticum aestivum) under the Heat Stress.
Article in Frontiers in plant science, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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Who cites it
15 citing papers in PubMed.
- Integrating molecular networks and physiological adaptation for heat-resilient crops.Journal of integrative plant biology · 2026Review
- Identification of quantitative trait loci and candidate genes for grain superoxide dismutase activity in wheat.BMC plant biology · 2024Article
- Article
- Molecular characterization and expression pattern of Rubisco activase gene GhRCAβ2 in upland cotton (Gossypium hirsutum L.).Genes & genomics · 2024Article
- Calcium signal regulated carbohydrate metabolism in wheat seedlings under salinity stress.Physiology and molecular biology of plants : an international journal of functional plant biology · 2024Article
- Transcriptional Regulation of Small Heat Shock Protein 17 (sHSP-17) byPlants (Basel, Switzerland) · 2023Article
- Function of Chloroplasts in Plant Stress Responses.International journal of molecular sciences · 2021Review
- Enhancing crop yield by using Rubisco activase to improve photosynthesis under elevated temperatures.Stress biology · 2021Review
- Gene Expression and Proteomics Studies Suggest an Involvement of Multiple Pathways Under Day and Day-Night Combined Heat Stresses During Grain Filling in Wheat.Frontiers in plant science · 2021Article
- Characterization of the starch synthase under terminal heat stress and its effect on grain quality of wheat.3 Biotech · 2020Article
- A Conserved Sequence from Heat-Adapted Species Improves Rubisco Activase Thermostability in Wheat.Plant physiology · 2019Article
- Quantitative proteomic analysis reveals novel stress-associated active proteins (SAAPs) and pathways involved in modulating tolerance of wheat under terminal heat.Functional & integrative genomics · 2019Article
- Metabolic Reprogramming in Chloroplasts under Heat Stress in Plants.International journal of molecular sciences · 2018Review
- Evolution of Rubisco activase gene in plants.Plant molecular biology · 2018Article
- Exploring the heat-responsive chaperones and microsatellite markers associated with terminal heat stress tolerance in developing wheat.Functional & integrative genomics · 2017Article
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16 authors.
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Abstract
RuBisCo activase (Rca) is a catalytic chaperone involved in modulating the activity of RuBisCo (key enzyme of photosynthetic pathway). Here, we identified eight novel transcripts from wheat through data mining predicted to be Rca and cloned a transcript of 1.4 kb from cv. HD2985, named as TaRca1 (GenBank acc. no. KC776912). Single copy number of TaRca1 was observed in wheat genome. Expression analysis in diverse wheat genotypes (HD2985, Halna, PBW621, and HD2329) showed very high relative expression of TaRca1 in Halna under control and HS-treated, as compared to other cultivars at different stages of growth. TaRca1 protein was predicted to be chloroplast-localized with numerous potential phosphorylation sites. Northern blot analysis showed maximum accumulation of TaRca1 transcript in thermotolerant cv. during mealy-ripe stage, as compared to thermosusceptible. Decrease in the photosynthetic parameters was observed in all the cultivars, except PBW621 in response to HS. We observed significant increase in the Rca activity in all the cultivars under HS at different stages of growth. HS causes decrease in the RuBisCo activity; maximum reduction was observed during pollination stage in thermosusceptible cvs. as validated through immunoblotting. We observed uniform carbon distribution in different tissues of thermotolerant cvs., as compared to thermosusceptible. Similarly, tolerance level of leaf was observed maximum in Halna having high Rca activity under HS. A positive correlation was observed between the transcript and activity of TaRca1 in HS-treated Halna. Similarly, TaRca1 enzyme showed positive correlation with the activity of RuBisCo. There is, however, need to manipulate the thermal stability of TaRca1 enzyme through protein engineering for sustaining the photosynthetic rate under HS-a novel approach toward development of "climate-smart" crop.
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