Biochemical and transcriptome analyses of a novel chlorophyll-deficient chlorina tea plant cultivar.
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TLDR
A novel chlorophyll-deficient chlorina tea plant cultivar was identified and the expression of 259 genes related to amino acid metabolism, photosynthesis and pigment metabolism was significantly altered in ZH2 shoots compared with those of LJ43 plants.Abstract:
Background
The tea plant (Camellia sinensis (L.) O. Kuntze) is one of the most economically important woody crops. Recently, many leaf color genotypes have been developed during tea plant breeding and have become valuable materials in the processing of green tea. Although the physiological characteristics of some leaf color mutants of tea plants have been partially revealed, little is known about the molecular mechanisms leading to the chlorina phenotype in tea plants.read more
Citations
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A coupled role for CsMYB75 and CsGSTF1 in anthocyanin hyperaccumulation in purple tea.
Kang Wei,Liyuan Wang,Yazhen Zhang,Li Ruan,Hailin Li,Liyun Wu,Li-Yi Xu,Cheng-Cai Zhang,Xiaogui Zhou,Hao Cheng,Robert Edwards +10 more
TL;DR: In this paper, the role of CsGSTF1 in selective anthocyanin accumulation was investigated in the case of purple tea (Camellia sinensis) and transgenic tobacco (Nicotiana tabacum).
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Metabolomics analysis reveals the metabolic and functional roles of flavonoids in light-sensitive tea leaves.
TL;DR: The results suggest that reactive oxygen species (ROS) scavenging and the antioxidation effects of Flavonoids help chlorotic tea plants survive under high light stress, providing new evidence to clarify the functional roles of flavonoids, which accumulate to high levels in tea plants.
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Biochemical and transcriptomic analyses reveal different metabolite biosynthesis profiles among three color and developmental stages in 'Anji Baicha' (Camellia sinensis).
Chun-Fang Li,Yan-Xia Xu,Jian-Qiang Ma,Ji-Qiang Jin,Dan-Juan Huang,Ming-Zhe Yao,Chun-Lei Ma,Liang Chen +7 more
TL;DR: The distinct transcriptome profiles for each color and developmental stage enabled us to identify changes to biosynthesis pathways and revealed the contributions of such variations to the albino phenotype of tea plants.
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Cytological, physiological, and transcriptomic analyses of golden leaf coloration in Ginkgo biloba L.
TL;DR: Changes in the ratio of carotenoids to chlorophylls were the main factors driving the golden leaf coloration in the mutant G. biloba.
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Metabolic analyses reveal different mechanisms of leaf color change in two purple-leaf tea plant (Camellia sinensis L.) cultivars.
TL;DR: This study examines how tea varieties develop different levels of flavonoids, which affect tea quality due to their antioxidant and antimicrobial activity, and uncovers how the leaves of purple-leaf tea varieties acquire their color.
References
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Analysis of relative gene expression data using real-time quantitative pcr and the 2(-delta delta c(t)) method
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A simple and efficient method for isolating RNA from pine trees
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Tea catechins and polyphenols: health effects, metabolism, and antioxidant functions.
Jane V. Higdon,Balz Frei +1 more
TL;DR: The effects of tea and green tea catechins on biomarker of oxidative stress, especially oxidative DNA damage, appear very promising in animal models, but data on biomarkers of in vivo oxidative stress in humans are limited.
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