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Literature summary for 1.1.1.288 extracted from

  • Tian, Y.; Wang, H.; Zhang, Z.; Zhao, X.; Wang, Y.; Zhang, L.
    An RNA-seq analysis reveals differential transcriptional responses to different light qualities in leaf color of Camellia sinensis cv. Huangjinya (2022), J. Plant Growth Regul., 41, 612-627 .
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Cloned(Commentary)

Cloned (Comment) Organism
library construction and transcriptome sequencing and analysis, RNA-seq enzyme expression analysis Camellia sinensis

Localization

Localization Comment Organism GeneOntology No. Textmining
chloroplast
-
 Camellia sinensis 9507
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Organism

Organism UniProt Comment Textmining
Camellia sinensis A0A2H4X2U9 cv. Huangjinya
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Source Tissue

Source Tissue Comment Organism Textmining
leaf
-
 Camellia sinensis
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Synonyms

Synonyms Comment Organism
ABA2
-
 Camellia sinensis
XDR
-
 Camellia sinensis

Expression

Organism Comment Expression
Camellia sinensis zeaxanthin epoxidase (ZEP) is upregulated and ABA2 is downregulated under red + blue light (RB), resulting in high accumulation of carotenoid content down
Camellia sinensis upregulated xanthoxin dehydrogenase (ABA2) reduces carotenoid content under blue light (BL) up

General Information

General Information Comment Organism
evolution the enzyme belongs to the short-chain dehydrogenase/reductase superfamily of enzymes Camellia sinensis
metabolism the enzyme is involved in the carotenoid synthesis and metabolism. Transcriptional response of different light qualities in leaf coloration of cv. Huangjinya, RNA-seq analysis with three biological replicates identifies differentially expressed genes involved in pigment metabolism pathways. With regard to porphyrin and chlorophyll metabolism, the protochlorophyllide oxidoreductase (POR) is upregulated and chlorophyllase (Chlase) is downregulated under red light (RL) compared with white light (WL), which contributes to high chlorophyll content in cv. Huangjinya. The upregulated POR and magnesium chelatase H subunit (CHLH) are identified under red + blue light (RB). Blue light (BL) significantly promotes carotenoid biosynthesis, accompanied by the related upregulated genes. But upregulated xanthoxin dehydrogenase (ABA2) reduces carotenoid content under BL. Zeaxanthin epoxidase (ZEP) is upregulated and ABA2 is downregulated under RB, resulting in high accumulation of carotenoid content. BL and RL upregulated expressions of genes involved in flavonoid biosynthesis in cv. Huangjinya. Differential expressions of genes involved in flavonoid biosynthesis is considered as the results of leaf color change. In addition, the genes related to photosynthesis are downregulated under RL, whereas these are upregulated under BL when compared with WL. In conclusion, the effect of light quality on the leaf coloration of cv. Huangjinya is mainly dependent on chlorophyll content by altering corresponding genes expressions. RL may promote the accumulation of chlorophyll in cv. Huangjinya leaves by upregulating the expression of genes related to chlorophyll synthesis (e.g. POR) and downregulating expression of genes related to chlorophyll degradation (e.g. Chlase). BL can upregulate the expression of genes related to both biosynthesis (e.g. POR, hemA) and degradation (e.g. Chlase) of chlorophyll, resulting in little change in leaf color of cv. Huangjinya under BL when compared with WL. Upregulated genes involved in chlorophyll biosynthesis (e.g. POR, CHLH) induce greener color of cv. Huangjinya treated with RB Camellia sinensis