What are the effects of chloroplast number on carotenoid concentrations in tomatoes?
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The effects of chloroplast number on carotenoid concentrations in tomatoes have been studied in several papers. One study found that high-pigment mutants with increased chloroplast number showed increased accumulation of carotenoids in fruits . Another study focused on genetically engineered tomato lines and found that increasing the number of CrtR-b2 transcripts led to elevated xanthophyll contents in both chloroplasts and chromoplasts, resulting in higher carotenoid concentrations in fruits . Manipulating the levels of plastid-localized Hsp70 in transgenic tomato plants also impacted carotenoid accumulation in ripe fruit, suggesting a role for this chaperone in regulating carotenoid metabolism . Additionally, a comparison of proteome profiles in tomato fruits revealed differentially expressed proteins related to carotenoid accumulation, including GCPE, which was found to be more abundant in chromoplasts with high carotenoid accumulation . Overall, these studies suggest that chloroplast number can affect carotenoid concentrations in tomatoes by influencing carotenoid biosynthesis, sequestration, and storage processes.
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| Papers (4) | Insight |
|---|---|
| The effects of chloroplast number on carotenoid concentrations in tomatoes are not mentioned in the provided paper. The paper discusses the roles of plastid-located phosphate transporters in carotenoid accumulation in plants. | |
79 Citations | The effects of chloroplast number on carotenoid concentrations in tomatoes are not mentioned in the provided paper. The paper focuses on the up-regulation of a specific protein called CHRC and its role in enhancing carotenoid accumulation in high-pigment tomato fruits. |
| The effects of chloroplast number on carotenoid concentrations in tomatoes are not mentioned in the provided paper. The paper focuses on the overexpression of the CrtR-b2 gene and its effects on xanthophyll synthesis and accumulation in tomato plants. | |
| The effects of chloroplast number on carotenoid concentrations in tomatoes are not mentioned in the provided paper. The paper discusses the manipulation of plastidial protein quality control components to improve carotenoid contents in tomato fruit. |
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