The transcription factor CaBBX20 regulates capsanthin accumulation in pepper (Capsicum annuum L.)

Ma, Jing; Dai, Jiaxi; Liu, Xiaowei; Lin, Dong

doi:10.1016/j.scienta.2023.111907

Cited by 6 publications

(3 citation statements)

References 50 publications

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“…Of these, capsorubin and capsanthin demonstrated the most significant downregulation, decreasing by 4.92-fold and 7.34-fold, respectively. These compounds have been extensively associated with the development of red pigmentation in pepper fruit [12,29]. We speculated that the significant difference in capsorubin and capsanthin might contribute to the inconsistency in fruit color between ZY and ZR peppers.…”

Section: Discussionmentioning

confidence: 99%

Integrative Metabolome and Transcriptome Analyses Provide Insights into Carotenoid Variation in Different-Colored Peppers

Lv,

Zhang,

et al. 2023

IJMS

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Carotenoids are important pigments in pepper fruits. The colors of each pepper are mainly determined by the composition and content of carotenoid. The ‘ZY’ variety, which has yellow fruit, is a natural mutant derived from a branch mutant of ‘ZR’ with different colors. ZY and ZR exhibit obvious differences in fruit color, but no other obvious differences in other traits. To investigate the main reasons for the formation of different colored pepper fruits, transcriptome and metabolome analyses were performed in three developmental stages (S1–S3) in two cultivars. The results revealed that these structural genes (PSY1, CRTISO, CCD1, CYP97C1, VDE1, CCS, NCED1 and NCED2) related to carotenoid biosynthesis were expressed differentially in the two cultivars. Capsanthin and capsorubin mainly accumulated in ZR and were almost non-existent in ZY. S2 is the fruit color-changing stage; this may be a critical period for the development of different color formation of ZY and ZR. A combination of transcriptome and metabolome analyses indicated that CCS, NCED2, AAO4, VDE1 and CYP97C1 genes were key to the differences in the total carotenoid content. These new insights into pepper fruit coloration may help to improve fruit breeding strategies.

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Section: Discussionmentioning

confidence: 99%

Integrative Metabolome and Transcriptome Analyses Provide Insights into Carotenoid Variation in Different-Colored Peppers

Lv,

Zhang,

et al. 2023

IJMS

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“…In the last five years, numerous TFs that regulate carotenoid synthesis have been identified in fruits and vegetables. Examples include Malus domestica apetala2 (AP2)/ethylene response factor (ERF) TF MdAP2-34, MdMADS6 (Dang et al 2021;Li et al 2022a), Musa acuminata squamosa promoter binding protein-like 16 (MaSPL16) (Zhu et al 2020), Citrus sinensis CsERF061, CsMADS5 (Lu et al 2021;Zhu et al 2021), and Capsicum annuum B-box (BBX) zinc-finger TF CaBBX20 (Ma et al 2023). However, research on carotenoids in ornamental plants has been less extensive compared to fruits and vegetables.…”

Section: Regulators Of Flower Color Compound Biosynthesismentioning

confidence: 99%

Coordination among flower pigments, scents and pollinators in ornamental plants

Shen,

Rao,

et al. 2024

HORTIC. ADV.

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Flower color and scent, crucial qualitative characteristics of ornamental plants, display extensive variation. These distinct pigments and scents play a key role in attracting specific pollinators. While previous research primarily delved into the synthetic regulatory mechanisms of individual traits and their respective attraction to insects, recent studies unveil an interconnectedness between flower color and scent through transcriptional regulatory networks. Moreover, evidence suggests that both color and scent actively contribute to insect attraction. This review summarizes the co-regulation and synthesis of pigments and scents, highlighting their pivotal roles in pollinator attraction. The insights provided will serve as valuable references for applications in metabolic engineering, novel variety breeding, and insect and pest detection and management.

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“…Both PIF1 and HY5 directly bind to the G-box in the PSY promoter in Arabidopsis, and these two proteins exhibit antagonistic effects on PSY expression, highlighting their opposing roles in carotenoid biosynthesis 12 . BBX proteins have also been implicated as regulators of carotenoid biosynthesis in tomato 19 and pepper 94 . However, their regulatory roles appear to be limited to specific carotenoid biosynthetic genes, such as PSY in tomato and CCS ( capsanthin-capsorubin synthase ) in pepper.…”

Section: Introductionmentioning

confidence: 99%

Light regulation of the biosynthesis of phenolics, terpenoids, and alkaloids in plants

Liu,

Singh,

Pattanaik

et al. 2023

Commun Biol

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Biosynthesis of specialized metabolites (SM), including phenolics, terpenoids, and alkaloids, is stimulated by many environmental factors including light. In recent years, significant progress has been made in understanding the regulatory mechanisms involved in light-stimulated SM biosynthesis at the transcriptional, posttranscriptional, and posttranslational levels of regulation. While several excellent recent reviews have primarily focused on the impacts of general environmental factors, including light, on biosynthesis of an individual class of SM, here we highlight the regulation of three major SM biosynthesis pathways by light-responsive gene expression, microRNA regulation, and posttranslational modification of regulatory proteins. In addition, we present our future perspectives on this topic.

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The transcription factor CaBBX20 regulates capsanthin accumulation in pepper (Capsicum annuum L.)

Cited by 6 publications

References 50 publications

Integrative Metabolome and Transcriptome Analyses Provide Insights into Carotenoid Variation in Different-Colored Peppers

Integrative Metabolome and Transcriptome Analyses Provide Insights into Carotenoid Variation in Different-Colored Peppers

Coordination among flower pigments, scents and pollinators in ornamental plants

Light regulation of the biosynthesis of phenolics, terpenoids, and alkaloids in plants

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