Transcriptomic Analysis of the Effect of Pruning on Growth, Quality, and Yield of Wuyi Rock Tea

Zhang, Qi; Zhang, Ying; Wang, Yuhua; Zou, Jishuang; Lin, Shaoxiong; Chen, Meihui; Miao, Pengyao; Jia, Xiaoli; Cheng, Pengyuan; Pang, Xiaomin; Ye, Jianghua; Wang, Haibin

doi:10.3390/plants12203625

Cited by 5 publications

(9 citation statements)

References 39 publications

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“…Zhang et al discovered that pruning tea plants enhance the accumulation and metabolism of sugar substances, accelerate the synthesis and transport of phytohormones and fatty acids, and thus improve the adaptive capacity of tea plants. It is beneficial for promoting tea plant growth and increasing tea yield [4]. In this study, the analyses of KEGG and GO revealed that DEGs significantly enriched in the pathways of plant-pathogen interaction, phytohormone signaling, and circadian rhythms in pruned tea plant spring buds.…”

Section: Discussionmentioning

confidence: 67%

“…Pruning is a common and crucial practice in tea garden management [3]. It regulates branch growth and new growth of tea plants by inducing phytohormones [4]. Shaping Agronomy 2024, 14, 1105 2 of 16 of tea plants affects the yield and quality of fresh tea leaves [5], and pruning can change the branching habit of the natural growth of the tea plants to extend the crown to the peripheral space, promote nutrient growth, and eliminate apical dominance, increase bud sprouting, and lead to an increase in the rate of photosynthesis.…”

Section: Introductionmentioning

confidence: 99%

“…Zhang et al investigated the effect of pruning on 'Wuyi Rock Tea' using transcriptomics technology, and the results showed that pruning enhanced the gene expression of nine metabolic pathways, including fatty acid synthesis and carbohydrate metabolism, nitrogen metabolism, endoplasmic reticulum protein processing, and phytohormone signaling in tea, thereby promoting the growth of tea plants and increasing tea yield. Pruning promotes the growth and development of tea plants [4]. However, it is important to note that different varieties of tea plants require specific regulation to ensure optimal growth and tea quality.…”

Section: Introductionmentioning

confidence: 99%

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Comparison of the Effect of Pruning on Plant Growth and Transcriptome Profiles in Different Tea Varieties

Kan,

Tang,

Feng

et al. 2024

Agronomy

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Although pruning contributes to the growth and development of new shoots, it is important to note that the growth potential and yield of tea varieties may differ after pruning due to genetic and environmental factors. In this experiment, 20 different varieties of tea plants were used to observe their potential for growth, shoot development, and other phenotypic indexes after pruning. The study aimed to determine the suitability of each variety for heavy pruning. It was concluded that there were obvious differences in tree strength and new growth after pruning of the different varieties, with ‘Zhongcha 302’ exhibiting the strongest growth and ‘Emei Wenchun’ showing the weakest growth. In order to understand the molecular mechanisms involved, a transcriptomic analysis was carried out on the two tea varieties. The results of the data indicate that the expression of CYP450 family was high in ‘Zhongcha 302’. In ‘Emei Wenchun’, the expression of NCED was higher than that in ‘Zhongcha 302’. The KEGG results indicate that pruning stimulates the expression of genes involved in phytohormone signalling and plant–pathogen interaction pathways in tea plants. The study offered scientific guidance for tea plant pruning suitability and preliminarily revealed the regulatory mechanism of new shoot growth in different tea plant varieties at the transcriptome level.

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Section: Discussionmentioning

confidence: 67%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Comparison of the Effect of Pruning on Plant Growth and Transcriptome Profiles in Different Tea Varieties

Kan,

Tang,

Feng

et al. 2024

Agronomy

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“…Proteins rarely act alone but form complexes or interact with other proteins to perform most biological functions [56,57]. The protein-protein interaction (PPI) is a network in which the proteins interact in a living organism, helping to uncover key core genes [58].…”

Section: Protein-protein Interaction Network Analysismentioning

confidence: 99%

Effect of Mechanical Damage in Green-Making Process on Aroma of Rougui Tea

Lin,

Wu,

et al. 2024

Foods

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Rougui Tea (RGT) is a typical Wuyi Rock Tea (WRT) that is favored by consumers for its rich taste and varied aroma. The aroma of RGT is greatly affected by the process of green-making, but its mechanism is not clear. Therefore, in this study, fresh leaves of RGT in spring were picked, and green-making (including shaking and spreading) and spreading (unshaken) were, respectively, applied after sun withering. Then, they were analyzed by GC-TOF-MS, which showed that the abundance of volatile compounds with flowery and fruity aromas, such as nerolidol, jasmine lactone, jasmone, indole, hexyl hexanoate, (E)-3-hexenyl butyrate and 1-hexyl acetate, in green-making leaves, was significantly higher than that in spreading leaves. Transcriptomic and proteomic studies showed that long-term mechanical injury and dehydration could activate the upregulated expression of genes related to the formation pathways of the aroma, but the regulation of protein expression was not completely consistent. Mechanical injury in the process of green-making was more conducive to the positive regulation of the allene oxide synthase (AOS) branch of the α-linolenic acid metabolism pathway, followed by the mevalonate (MVA) pathway of terpenoid backbone biosynthesis, thus promoting the synthesis of jasmonic acid derivatives and sesquiterpene products. Protein interaction analysis revealed that the key proteins of the synthesis pathway of jasmonic acid derivatives were acyl-CoA oxidase (ACX), enoyl-CoA hydratase (MFP2), OPC-8:0 CoA ligase 1 (OPCL1) and so on. This study provides a theoretical basis for the further explanation of the formation mechanism of the aroma substances in WRT during the manufacturing process.

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“…Plants can adopt different strategies to cope with the effects of stress. Zhang et al [ 24 ] reported that tea plants increased their own growth capacity to resist environmental stress. Waadt et al [ 25 ] reported that phytohormone synthesis rapidly increased when plants were under stress.…”

Section: Introductionmentioning

confidence: 99%

Metabolomic and transcriptomic analyses of peach leaves and fruits in response to pruning

Liu,

An,

et al. 2024

BMC Genomics

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Background Pruning is an important cultivation management option that has important effects on peach yield and quality. However, the effects of pruning on the overall genetic and metabolic changes in peach leaves and fruits are poorly understood. Results The transcriptomic and metabolomic profiles of leaves and fruits from trees subjected to pruning and unpruning treatments were measured. A total of 20,633 genes and 622 metabolites were detected. Compared with those in the control, 1,127 differentially expressed genes (DEGs) and 77 differentially expressed metabolites (DEMs) were identified in leaves from pruned and unpruned trees (pdLvsupdL), whereas 423 DEGs and 29 DEMs were identified in fruits from the pairwise comparison pdFvsupdF. The content of three auxin analogues was upregulated in the leaves of pruned trees, the content of all flavonoids detected in the leaves decreased, and the expression of almost all genes involved in the flavonoid biosynthesis pathway decreased. The phenolic acid and amino acid metabolites detected in fruits from pruned trees were downregulated, and all terpenoids were upregulated. The correlation analysis revealed that DEGs and DEMs in leaves were enriched in tryptophan metabolism, auxin signal transduction, and flavonoid biosynthesis. DEGs and DEMs in fruits were enriched in flavonoid and phenylpropanoid biosynthesis, as well as L-glutamic acid biosynthesis. Conclusions Pruning has different effects on the leaves and fruits of peach trees, affecting mainly the secondary metabolism and hormone signalling pathways in leaves and amino acid biosynthesis in fruits.

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Transcriptomic Analysis of the Effect of Pruning on Growth, Quality, and Yield of Wuyi Rock Tea

Cited by 5 publications

References 39 publications

Comparison of the Effect of Pruning on Plant Growth and Transcriptome Profiles in Different Tea Varieties

Comparison of the Effect of Pruning on Plant Growth and Transcriptome Profiles in Different Tea Varieties

Effect of Mechanical Damage in Green-Making Process on Aroma of Rougui Tea

Metabolomic and transcriptomic analyses of peach leaves and fruits in response to pruning

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