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Song SS, Ran WX, Gao LH, Wang YC, Lv WY, Tao Y, Chen L, Li CF. A functional study reveals CsNAC086 regulated the biosynthesis of flavonols in Camellia sinensis. PLANTA 2024; 259:147. [PMID: 38714547 DOI: 10.1007/s00425-024-04426-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Accepted: 04/26/2024] [Indexed: 05/10/2024]
Abstract
MAIN CONCLUSION CsNAC086 was found to promote the expression of CsFLS, thus promoting the accumulation of flavonols in Camellia sinensis. Flavonols, the main flavonoids in tea plants, play an important role in the taste and quality of tea. In this study, a NAC TF gene CsNAC086 was isolated from tea plants and confirmed its regulatory role in the expression of flavonol synthase which is a key gene involved in the biosynthesis of flavonols in tea plant. Yeast transcription-activity assays showed that CsNAC086 has self-activation activity. The transcriptional activator domain of CsNAC086 is located in the non-conserved C-terminal region (positions 171-550), while the conserved NAC domain (positions 1-170) does not have self-activation activity. Silencing the CsNAC086 gene using antisense oligonucleotides significantly decreased the expression of CsFLS. As a result, the concentration of flavonols decreased significantly. In overexpressing CsNAC086 tobacco leaves, the expression of NtFLS was significantly increased. Compared with wild-type tobacco, the flavonols concentration increased. Yeast one-hybrid assays showed CsNAC086 did not directly regulate the gene expression of CsFLS. These findings indicate that CsNAC086 plays a role in regulating flavonols biosynthesis in tea plants, which has important implications for selecting and breeding of high-flavonols-concentration containing tea-plant cultivars.
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Affiliation(s)
- Sa-Sa Song
- College of Tea Science and Tea Culture, Zhejiang A&F University, Hangzhou, 311300, China
| | - Wei-Xi Ran
- College of Tea Science and Tea Culture, Zhejiang A&F University, Hangzhou, 311300, China
| | - Long-Han Gao
- College of Tea Science and Tea Culture, Zhejiang A&F University, Hangzhou, 311300, China
| | - Yu-Chun Wang
- College of Tea Science and Tea Culture, Zhejiang A&F University, Hangzhou, 311300, China
| | - Wu-Yun Lv
- College of Tea Science and Tea Culture, Zhejiang A&F University, Hangzhou, 311300, China
| | - Yu Tao
- College of Tea Science and Tea Culture, Zhejiang A&F University, Hangzhou, 311300, China
| | - Liang Chen
- Key Laboratory of Biology, Genetics and Breeding of Special Economic Animals and Plants, Ministry of Agriculture and Rural Affairs, Tea Research Institute of the Chinese Academy of Agricultural Sciences, Hangzhou, 310008, China.
| | - Chun-Fang Li
- College of Tea Science and Tea Culture, Zhejiang A&F University, Hangzhou, 311300, China.
- Key Laboratory of Biology, Genetics and Breeding of Special Economic Animals and Plants, Ministry of Agriculture and Rural Affairs, Tea Research Institute of the Chinese Academy of Agricultural Sciences, Hangzhou, 310008, China.
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2
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Cao Y, Mei Y, Zhang R, Zhong Z, Yang X, Xu C, Chen K, Li X. Transcriptional regulation of flavonol biosynthesis in plants. HORTICULTURE RESEARCH 2024; 11:uhae043. [PMID: 38623072 PMCID: PMC11017525 DOI: 10.1093/hr/uhae043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/26/2023] [Accepted: 02/02/2024] [Indexed: 04/17/2024]
Abstract
Flavonols are a class of flavonoids that play a crucial role in regulating plant growth and promoting stress resistance. They are also important dietary components in horticultural crops due to their benefits for human health. In past decades, research on the transcriptional regulation of flavonol biosynthesis in plants has increased rapidly. This review summarizes recent progress in flavonol-specific transcriptional regulation in plants, encompassing characterization of different categories of transcription factors (TFs) and microRNAs as well as elucidation of different transcriptional mechanisms, including direct and cascade transcriptional regulation. Direct transcriptional regulation involves TFs, such as MYB, AP2/ERF, and WRKY, which can directly target the key flavonol synthase gene or other early genes in flavonoid biosynthesis. In addition, different regulation modules in cascade transcriptional regulation involve microRNAs targeting TFs, regulation between activators, interaction between activators and repressors, and degradation of activators or repressors induced by UV-B light or plant hormones. Such sophisticated regulation of the flavonol biosynthetic pathway in response to UV-B radiation or hormones may allow plants to fine-tune flavonol homeostasis, thereby balancing plant growth and stress responses in a timely manner. Based on orchestrated regulation, molecular design strategies will be applied to breed horticultural crops with excellent health-promoting effects and high resistance.
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Affiliation(s)
- Yunlin Cao
- Zhejiang Provincial Key Laboratory of Horticultural Crop Quality Manipulation, Zhejiang University, Hangzhou, 310058, China
- Center for Drug Safety Evaluation and Research, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China
- Shandong (Linyi) Institute of Modern Agriculture, Zhejiang University, Linyi, 276000, China
| | - Yuyang Mei
- Zhejiang Provincial Key Laboratory of Horticultural Crop Quality Manipulation, Zhejiang University, Hangzhou, 310058, China
| | - Ruining Zhang
- Zhejiang Provincial Key Laboratory of Horticultural Crop Quality Manipulation, Zhejiang University, Hangzhou, 310058, China
| | - Zelong Zhong
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China
| | - Xiaochun Yang
- Center for Drug Safety Evaluation and Research, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China
- Shandong (Linyi) Institute of Modern Agriculture, Zhejiang University, Linyi, 276000, China
| | - Changjie Xu
- Zhejiang Provincial Key Laboratory of Horticultural Crop Quality Manipulation, Zhejiang University, Hangzhou, 310058, China
| | - Kunsong Chen
- Zhejiang Provincial Key Laboratory of Horticultural Crop Quality Manipulation, Zhejiang University, Hangzhou, 310058, China
| | - Xian Li
- Zhejiang Provincial Key Laboratory of Horticultural Crop Quality Manipulation, Zhejiang University, Hangzhou, 310058, China
- Shandong (Linyi) Institute of Modern Agriculture, Zhejiang University, Linyi, 276000, China
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3
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Xiang N, Chang X, Qin L, Li K, Wang S, Guo X. Insights into tissue-specific anthocyanin accumulation in Japanese plum ( Prunus salicina L.) fruits: A comparative study of three cultivars. FOOD CHEMISTRY. MOLECULAR SCIENCES 2023; 7:100178. [PMID: 37554520 PMCID: PMC10404606 DOI: 10.1016/j.fochms.2023.100178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Revised: 07/22/2023] [Accepted: 07/22/2023] [Indexed: 08/10/2023]
Abstract
In the present study, three matured Japanese plum cultivars with different colored peel and flesh were selected to mine the key transcription factors regulating anthocyanin formation in tissues. Results showed that PsMYB10 was correlated with structural genes C4H, F3H, and ANS. PsMYB6 could positively regulate C4H (r = 0.732) and accumulated anthocyanins in Sanhua plum's flesh. Sanhua plum has the highest phenolic and anthocyanin contents (10.24 ± 0.37 gallic acid equivalent mg g-1 dry weight (DW) and 68.95 ± 1.03 μg g-1 DW), resulting itself superior biological activity as 367.1 ± 42.9 Trolox equivalent mg g-1 DW in oxygen radical absorbance capacity value and 72.79 ± 4.34 quercetin equivalent mg g-1 DW in cellular antioxidant activity value. The present work provides new insights into the regulatory mechanism of tissue-specific anthocyanin biosynthesis, confirming the pivotal role of anthocyanins in the biological activity of plums, providing essential support for the development of horticultural products enriched with anthocyanins.
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Affiliation(s)
- Nan Xiang
- School of Food Science and Engineering, Guangdong Province Key Laboratory for Green Processing of Natural Products and Product Safety, Engineering Research Center of Starch and Vegetable Protein Processing Ministry of Education, Research Institute for Food Nutrition and Human Health, South China University of Technology, Guangzhou 510640, China
- Department of Food, Nutrition, and Health, University of British Columbia, Vancouver, BC V6T 1Z4, Canada
| | - Xiaoxiao Chang
- Institute of Fruit Tree Research, Guangdong Academy of Agricultural Sciences, Key Laboratory of South Subtropical Fruit Biology and Genetic Resource Utilization, Ministry of Agriculture and Rural Affairs, Guangdong Provincial Key Laboratory of Tropical and Subtropical Fruit Tree Research, Guangzhou 510640, China
| | - Liuwei Qin
- School of Food Science and Engineering, Guangdong Province Key Laboratory for Green Processing of Natural Products and Product Safety, Engineering Research Center of Starch and Vegetable Protein Processing Ministry of Education, Research Institute for Food Nutrition and Human Health, South China University of Technology, Guangzhou 510640, China
| | - Kun Li
- Crop Research Institute, Key Laboratory of Crops Genetics Improvement of Guangdong Province, Guangdong Academy of Agricultural Sciences, Guangzhou 510640, China
| | - Siyun Wang
- Department of Food, Nutrition, and Health, University of British Columbia, Vancouver, BC V6T 1Z4, Canada
| | - Xinbo Guo
- School of Food Science and Engineering, Guangdong Province Key Laboratory for Green Processing of Natural Products and Product Safety, Engineering Research Center of Starch and Vegetable Protein Processing Ministry of Education, Research Institute for Food Nutrition and Human Health, South China University of Technology, Guangzhou 510640, China
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4
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He S, Xu X, Gao Q, Huang C, Luo Z, Liu P, Wu M, Huang H, Yang J, Zeng J, Wang Z. NtERF4 promotes the biosynthesis of chlorogenic acid and flavonoids by targeting PAL genes in Nicotiana tabacum. PLANTA 2023; 259:31. [PMID: 38150094 DOI: 10.1007/s00425-023-04301-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Accepted: 11/22/2023] [Indexed: 12/28/2023]
Abstract
Chlorogenic acid (CGA) and flavonoids are important secondary metabolites, which modulate plant growth and development, and contribute to plant resistance to various environmental stresses. ERF4 has been shown to be a repressor of anthocyanin accumulation in grape, but its full roles in regulating the biosynthesis of other phenylpropanoid compounds still needs to be further studied. In the present study, two NtERF4 genes were identified from N. tabacum genome. The expression level of NtERF4a was higher than that of NtERF4b in all the tobacco tissues examined. Over-expression of NtERF4a significantly promoted the accumulation of CGA and flavonoids in tobacco leaves, while silencing of NtERF4a significantly repressed the biosynthesis of CGA and flavonoids. RNA-seq analysis of NtERF4a-OE and WT plants revealed 8 phenylpropanoids-related differentially expressed genes (DEGs), including 4 NtPAL genes that encode key enzymes in the phenylpropanoid pathway. Activation of NtERF4a-GR fusion protein in tobacco significantly induced the transcription of NtPAL1 and NtPAL2 in the presence of protein synthesis inhibitor. Chromatin immunoprecipitation and Dual-Luc assays further indicated that NtERF4a could bind to the GCC box presented in the promoters of NtPAL1 and NtPAL2, thereby activating their transcription. Moreover, ectopic expression of NtERF4a induced the transcription of NtGSK1, NtMYC2, and NtJAZ3 genes, and enhanced the resistance of tobacco seedlings to salt and drought stresses, indicating multiple roles of NtERF4a in plants. Our findings revealed new roles of NtERF4a in modulating the accumulation of phenylpropanoid compounds in tobacco, and provided a putative target for improving phenylpropanoids synthesis and stress resistance in plants.
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Affiliation(s)
- Shun He
- China Tobacco Gene Research Center, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, 450001, China
| | - Xin Xu
- China Tobacco Gene Research Center, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, 450001, China
| | - Qian Gao
- Yunnan Key Laboratory of Tobacco Chemistry, R&D Center of China Tobacco Yunnan Industrial Co. Ltd., Kunming, 650202, China
| | - Changjun Huang
- Yunnan Academy of Tobacco Agricultural Sciences, Kunming, 650021, China
| | - Zhaopeng Luo
- China Tobacco Gene Research Center, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, 450001, China
| | - Pingping Liu
- China Tobacco Gene Research Center, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, 450001, China
| | - Mingzhu Wu
- China Tobacco Gene Research Center, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, 450001, China
| | - Haitao Huang
- Yunnan Key Laboratory of Tobacco Chemistry, R&D Center of China Tobacco Yunnan Industrial Co. Ltd., Kunming, 650202, China
| | - Jun Yang
- China Tobacco Gene Research Center, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, 450001, China
| | - Jianmin Zeng
- Yunnan Academy of Tobacco Agricultural Sciences, Kunming, 650021, China.
| | - Zhong Wang
- China Tobacco Gene Research Center, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, 450001, China.
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5
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Wang Z, Yang J, Gao Q, He S, Xu Y, Luo Z, Liu P, Wu M, Xu X, Ma L, Zhang Z, Yang Y, Yang J. The transcription factor NtERF13a enhances abiotic stress tolerance and phenylpropanoid compounds biosynthesis in tobacco. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2023; 334:111772. [PMID: 37331634 DOI: 10.1016/j.plantsci.2023.111772] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 05/19/2023] [Accepted: 06/12/2023] [Indexed: 06/20/2023]
Abstract
The AP2/ERF (APETALA2/ETHYLENE RESPONSE FACTOR) transcription factors play multiple roles in modulating the biosynthesis of diverse specialized metabolites in response to various environmental stresses. ERF13 has been shown to participate in plant resistance to biotic stress as well as in repressing the synthesis of fatty acid. However, its full roles in regulating plant metabolism and stress resistance still remains to be further studied. In this study, we identified two NtERF genes from N. tabacum genome that belong to Ⅸa subgroup of ERF family. Over-expression and knock-out of NtERF13a showed that NtERF13a could enhance plant resistance to salt and drought stresses, as well as promoted the biosynthesis of chlorogenic acid (CGA), flavonoids, and lignin in tobacco. Transcriptome analysis between WT and NtERF13a-OE plants revealed 6 differentially expressed genes (DEGs) that encode enzymes catalyzing the key steps of phenylpropanoid pathway. Chromatin immunoprecipitation, Y1H, and Dual-Luc assays further clarified that NtERF13a could directly bind to the fragments containing GCC box or DRE element in the promoters of NtHCT, NtF3'H, and NtANS genes to induce the transcription of these genes. Knock-out of NtHCT, NtF3'H, or NtANS in the NtERF13a-OE background significantly repressed the increase of phenylpropanoid compound contents caused by over-expression of NtERF13a, indicating that the promotion of NtERF13a on the phenylpropanoid compound contents depends on the activity of NtHCT, NtF3'H, and NtANS. Our study demonstrated new roles of NtERF13a in promoting plant resistance to abiotic stresses, and provided a promising target for modulating the biosynthesis of phenylpropanoid compounds in tobacco.
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Affiliation(s)
- Zhong Wang
- China Tobacco Gene Research Center, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, China
| | - Jinchu Yang
- Technology Center, China Tobacco Henan Industrial Co., Ltd., Zhengzhou 450000, China
| | - Qian Gao
- Yunnan Key Laboratory of Tobacco Chemistry, R&D Center of China Tobacco Yunnan Industrial Co. Ltd., Kunming 650202, China
| | - Shun He
- China Tobacco Gene Research Center, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, China
| | - Yongming Xu
- Technology Center, China Tobacco Henan Industrial Co., Ltd., Zhengzhou 450000, China
| | - Zhaopeng Luo
- China Tobacco Gene Research Center, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, China
| | - Pingping Liu
- China Tobacco Gene Research Center, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, China
| | - Mingzhu Wu
- China Tobacco Gene Research Center, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, China
| | - Xin Xu
- China Tobacco Gene Research Center, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, China
| | - Lanxin Ma
- China Tobacco Gene Research Center, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, China
| | - Zhan Zhang
- Technology Center, China Tobacco Henan Industrial Co., Ltd., Zhengzhou 450000, China
| | - Yongfeng Yang
- Technology Center, China Tobacco Henan Industrial Co., Ltd., Zhengzhou 450000, China.
| | - Jun Yang
- China Tobacco Gene Research Center, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, China.
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6
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Wang Z, Wu X, Zhang B, Xiao Y, Guo J, Liu J, Chen Q, Peng F. Genome-wide identification, bioinformatics and expression analysis of HD-Zip gene family in peach. BMC PLANT BIOLOGY 2023; 23:122. [PMID: 36864374 PMCID: PMC9979464 DOI: 10.1186/s12870-023-04061-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Accepted: 01/12/2023] [Indexed: 06/18/2023]
Abstract
BACKGROUND HD-Zips (Homeodomain-Leucine Zippers) are a class of plant-specific transcription factors that play multiple roles in plant growth and development. Although some functions of HD-Zip transcription factor have been reported in several plants, it has not been comprehensively studied in peach, especially during adventitious root formation of peach cuttings. RESULTS In this study, 23 HD-Zip genes distributed on 6 chromosomes were identified from the peach (Prunus persica) genome, and named PpHDZ01-23 according to their positions on the chromosomes. These 23 PpHDZ transcription factors all contained a homeomorphism box domain and a leucine zipper domain, were divided into 4 subfamilies(I-IV) according to the evolutionary analysis, and their promoters contained many different cis-acting elements. Spatio-temporal expression pattern showed that these genes were expressed in many tissues with different levels, and they had distinct expression pattern during adventitious root formation and development. CONCLUSION Our results showed the roles of PpHDZs on root formation, which is helpful to better understand the classification and function of peach HD-Zip genes.
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Affiliation(s)
- Zhe Wang
- State Key Laboratory of Crop Biology, College of Horticulture Science and Engineering, Shandong Agricultural University, 271000, Tai'an, China
| | - Xuelian Wu
- State Key Laboratory of Crop Biology, College of Horticulture Science and Engineering, Shandong Agricultural University, 271000, Tai'an, China
| | - Binbin Zhang
- State Key Laboratory of Crop Biology, College of Horticulture Science and Engineering, Shandong Agricultural University, 271000, Tai'an, China
| | - Yuansong Xiao
- State Key Laboratory of Crop Biology, College of Horticulture Science and Engineering, Shandong Agricultural University, 271000, Tai'an, China
| | - Jian Guo
- State Key Laboratory of Crop Biology, College of Horticulture Science and Engineering, Shandong Agricultural University, 271000, Tai'an, China
| | - Jin Liu
- Agricultural Technical Service Center of Yiyuan County, 256100, Zibo, China
| | - Qiuju Chen
- State Key Laboratory of Crop Biology, College of Horticulture Science and Engineering, Shandong Agricultural University, 271000, Tai'an, China.
- Agricultural Technical Service Center of Yiyuan County, 256100, Zibo, China.
| | - Futian Peng
- State Key Laboratory of Crop Biology, College of Horticulture Science and Engineering, Shandong Agricultural University, 271000, Tai'an, China.
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7
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Zhang X, Chen Z, Wang C, Zhou X, Tang N, Zhang W, Xu F, Yang Z, Luo C, Liao Y, Ye J. Genome-wide identification of HD-ZIP gene family and screening of genes related to prickle development in Zanthoxylum armatum. THE PLANT GENOME 2023; 16:e20295. [PMID: 36606521 DOI: 10.1002/tpg2.20295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Accepted: 11/11/2022] [Indexed: 05/10/2023]
Abstract
Zanthoxylum armatum is an important cash crop for medicinal and food purposes in Asia. However, its stems and leaves are covered with a large number of prickles, which cause many problems in the production process. The homeodomain leucine zipper (HD-ZIP) gene family is a class of transcription factors unique to plants that play an important role in biological processes such as morphogenesis, signal transduction, and secondary metabolite synthesis. However, little is known about HD-ZIP gene information that may be involved in prickle development of Z. armatum. Here, we identified 76 ZaHDZ genes from the Z. armatum genome and classified them into four subfamilies (I-IV) based on phylogenetic analysis, a classification further supported by gene structure and conserved motif analysis. Seventy-six ZaHDZ genes were unevenly distributed on chromosomes. Evolutionary analysis revealed that the expansion of ZaHDZ genes mainly were due to whole-genome duplication (WGD) or segmental duplication, and they experienced strong purifying selection pressure in the process of evolution. A total of 47 cis-elements were identified in the promoter region of ZaHDZ genes. Quantitative real-time polymerase chain reaction analysis was performed on subfamily IV ZaHDZ gene expression levels in five tissues and under four hormone treatments. Finally, ZaHDZ16 was predicted to be the candidate gene most likely to be involved in prickle development of Z. armatum. These results contribute to a better understanding of the characteristics of HD-ZIP gene family and lay a foundation for further study on the function of genes related to prickle development of Z. armatum.
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Affiliation(s)
- Xiaoxi Zhang
- College of Horticulture and Gardening, Yangtze Univ., Jingzhou, Hubei, 434025, China
| | - Zexiong Chen
- Research Institute for Special Plants, Chongqing Univ. of Arts and Sciences, Chongqing, 402160, China
| | - Caini Wang
- College of Horticulture and Gardening, Yangtze Univ., Jingzhou, Hubei, 434025, China
| | - Xian Zhou
- College of Horticulture and Gardening, Yangtze Univ., Jingzhou, Hubei, 434025, China
| | - Ning Tang
- Research Institute for Special Plants, Chongqing Univ. of Arts and Sciences, Chongqing, 402160, China
| | - Weiwei Zhang
- College of Horticulture and Gardening, Yangtze Univ., Jingzhou, Hubei, 434025, China
- Spice Crops Research Institute, Yangtze Univ., Jingzhou, Hubei, 434025, China
| | - Feng Xu
- College of Horticulture and Gardening, Yangtze Univ., Jingzhou, Hubei, 434025, China
| | - Zhiwu Yang
- Sichuan Academy of Forestry, Chengdu, Sichuan, 610081, China
| | - Chengrong Luo
- Sichuan Academy of Forestry, Chengdu, Sichuan, 610081, China
| | - Yongling Liao
- College of Horticulture and Gardening, Yangtze Univ., Jingzhou, Hubei, 434025, China
| | - Jiabao Ye
- College of Horticulture and Gardening, Yangtze Univ., Jingzhou, Hubei, 434025, China
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8
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Li L, Lv B, Zang K, Jiang Y, Wang C, Wang Y, Wang K, Zhao M, Chen P, Lei J, Wang Y, Zhang M. Genome-wide identification and systematic analysis of the HD-Zip gene family and its roles in response to pH in Panax ginseng Meyer. BMC PLANT BIOLOGY 2023; 23:30. [PMID: 36639779 PMCID: PMC9838044 DOI: 10.1186/s12870-023-04038-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Accepted: 01/02/2023] [Indexed: 06/17/2023]
Abstract
BACKGROUND Ginseng, Panax ginseng Meyer, is a traditional herb that is immensely valuable both for human health and medicine and for medicinal plant research. The homeodomain leucine zipper (HD-Zip) gene family is a plant-specific transcription factor gene family indispensable in the regulation of plant growth and development and plant response to environmental stresses. RESULTS We identified 117 HD-Zip transcripts from the transcriptome of ginseng cv. Damaya that is widely grown in Jilin, China where approximately 60% of the world's ginseng is produced. These transcripts were positioned to 64 loci in the ginseng genome and the ginseng HD-Zip genes were designated as PgHDZ genes. Identification of 82 and 83 PgHDZ genes from the ginseng acc. IR826 and cv. ChP genomes, respectively, indicated that the PgHDZ gene family consists of approximately 80 PgHDZ genes. Phylogenetic analysis showed that the gene family originated after Angiosperm split from Gymnosperm and before Dicots split from Monocots. The gene family was classified into four subfamilies and has dramatically diverged not only in gene structure and functionality but also in expression characteristics. Nevertheless, co-expression network analysis showed that the activities of the genes in the family remain significantly correlated, suggesting their functional correlation. Five hub PgHDZ genes were identified that might have central functions in ginseng biological processes and four of them were shown to be actively involved in plant response to environmental pH stress in ginseng. CONCLUSIONS The PgHDZ gene family was identified from ginseng and analyzed systematically. Five potential hub genes were identified and four of them were shown to be involved in ginseng response to environmental pH stress. The results provide new insights into the characteristics, diversity, evolution, and functionality of the PgHDZ gene family in ginseng and lay a foundation for comprehensive research of the gene family in plants.
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Affiliation(s)
- Li Li
- College of Life Science, Jilin Agricultural University, Changchun, Jilin, 130118, China
- Research Center for Ginseng Genetic Resources Development and Utilization, Jilin Province, Jilin Agricultural University, Changchun, Jilin, 130118, China
| | - Boxin Lv
- College of Life Science, Jilin Agricultural University, Changchun, Jilin, 130118, China
| | - Kaiyou Zang
- College of Life Science, Jilin Agricultural University, Changchun, Jilin, 130118, China
| | - Yue Jiang
- College of Life Science, Jilin Agricultural University, Changchun, Jilin, 130118, China
| | - Chaofan Wang
- College of Life Science, Jilin Agricultural University, Changchun, Jilin, 130118, China
| | - Yanfang Wang
- Research Center for Ginseng Genetic Resources Development and Utilization, Jilin Province, Jilin Agricultural University, Changchun, Jilin, 130118, China
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun, Jilin, 130118, China
| | - Kangyu Wang
- College of Life Science, Jilin Agricultural University, Changchun, Jilin, 130118, China
- Research Center for Ginseng Genetic Resources Development and Utilization, Jilin Province, Jilin Agricultural University, Changchun, Jilin, 130118, China
| | - Mingzhu Zhao
- College of Life Science, Jilin Agricultural University, Changchun, Jilin, 130118, China
- Research Center for Ginseng Genetic Resources Development and Utilization, Jilin Province, Jilin Agricultural University, Changchun, Jilin, 130118, China
| | - Ping Chen
- College of Life Science, Jilin Agricultural University, Changchun, Jilin, 130118, China
- Research Center for Ginseng Genetic Resources Development and Utilization, Jilin Province, Jilin Agricultural University, Changchun, Jilin, 130118, China
| | - Jun Lei
- College of Life Science, Jilin Agricultural University, Changchun, Jilin, 130118, China
- Research Center for Ginseng Genetic Resources Development and Utilization, Jilin Province, Jilin Agricultural University, Changchun, Jilin, 130118, China
| | - Yi Wang
- College of Life Science, Jilin Agricultural University, Changchun, Jilin, 130118, China.
- Research Center for Ginseng Genetic Resources Development and Utilization, Jilin Province, Jilin Agricultural University, Changchun, Jilin, 130118, China.
| | - Meiping Zhang
- College of Life Science, Jilin Agricultural University, Changchun, Jilin, 130118, China.
- Research Center for Ginseng Genetic Resources Development and Utilization, Jilin Province, Jilin Agricultural University, Changchun, Jilin, 130118, China.
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Wang Z, Ma L, Liu P, Luo Z, Li Z, Wu M, Xu X, Pu W, Huang P, Yang J. Transcription factor NtWRKY33a modulates the biosynthesis of polyphenols by targeting NtMYB4 and NtHCT genes in tobacco. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2023; 326:111522. [PMID: 36332766 DOI: 10.1016/j.plantsci.2022.111522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Revised: 09/21/2022] [Accepted: 10/25/2022] [Indexed: 06/16/2023]
Abstract
There are abundant polyphenols in tobacco leaves mainly including chlorogenic acid (CGA), rutin, and scopoletin, which not only influence plant growth, development, and environmental adaptation, but also have a great impact on the industrial utilization of tobacco leaves. Few transcription factors regulating the biosynthesis of polyphenols have been identified in tobacco so far. In this study, two NtWRKY33 genes were identified from N. tabacum genome. NtWRKY33a showed higher transcriptional activity than NtWRKY33b, and encoded a nuclear localized protein. Overexpression and knock-out of NtWRKY33a gene revealed that NtWRKY33a inhibited the accumulation of rutin, scopoletin, and total polyphenols, but meanwhile promoted the biosynthesis of CGA. Chromatin immunoprecipitation and Dual-Luc assays indicated that NtWRKY33a could directly bind to the promoters of NtMYB4 and NtHCT, and thus induced the transcription of these two genes. The contents of polyphenols in ntwrky33a, ntmy4, and ntwrky33a/ntmyb4 mutants further confirmed that the repression of NtWRKY33a on the biosynthesis of rutin, scopoletin, and total polyphenols depends on the activity of NtMYB4. Moreover, the promotion of NtHCT by NtWRKY33a modulates the distribution of metabolism flux into the synthesis of CGA. Ectopic expression of NtWRKY33a inhibit the expression of NtSAUR14, NtSAUR59, NtSAUR66, NtIAA4, NtIAA17, and NtIAA19 genes, indicating that NtWRKY33a might be involved in the regulation of plant auxin response. Our study revealed new functions of NtWRKY33a in regulating the synthesis of polyphenols, and provided a promising target for manipulating polyphenols contents in tobacco.
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Affiliation(s)
- Zhong Wang
- China Tobacco Gene Research Center, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, China
| | - Lanxin Ma
- China Tobacco Gene Research Center, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, China
| | - Pingping Liu
- China Tobacco Gene Research Center, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, China
| | - Zhaopeng Luo
- China Tobacco Gene Research Center, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, China
| | - Zefeng Li
- China Tobacco Gene Research Center, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, China
| | - Mingzhu Wu
- China Tobacco Gene Research Center, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, China
| | - Xin Xu
- China Tobacco Gene Research Center, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, China
| | - Wenxuan Pu
- Technology Center, China Tobacco Hunan Industrial Co., Ltd., Changsha 410007, China
| | - Pingjun Huang
- Technology Center, China Tobacco Hunan Industrial Co., Ltd., Changsha 410007, China.
| | - Jun Yang
- China Tobacco Gene Research Center, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, China.
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10
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Li Y, Li H, Wang S, Li J, Bacha SAS, Xu G, Li J. Metabolomic and transcriptomic analyses of the flavonoid biosynthetic pathway in blueberry ( Vaccinium spp.). FRONTIERS IN PLANT SCIENCE 2023; 14:1082245. [PMID: 37152168 PMCID: PMC10157174 DOI: 10.3389/fpls.2023.1082245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Accepted: 03/29/2023] [Indexed: 05/09/2023]
Abstract
As a highly economic small fruit crop, blueberry is enjoyed by most people in terms of color, taste, and rich nutrition. To better understand its coloring mechanism on the process of ripening, an integrative analysis of the metabolome and transcriptome profiles was performed in three blueberry varieties at three developmental stages. In this study, 41 flavonoid metabolites closely related to the coloring in blueberry samples were analyzed. It turned out that the most differential metabolites in the ripening processes were delphinidin-3-O-arabinoside (dpara), peonidin-3-O-glucoside (pnglu), and delphinidin-3-O-galactoside (dpgal), while the most differential metabolites among different varieties were flavonols. Furthermore, to obtain more accurate and comprehensive transcripts of blueberry during the developmental stages, PacBio and Illumina sequencing technology were combined to obtain the transcriptome of the blueberry variety Misty, for the very first time. Finally, by applying the gene coexpression network analysis, the darkviolet and bisque4 modules related to flavonoid synthesis were determined, and the key genes related to two flavonoid 3', 5'-hydroxylase (F3'5'H) genes in the darkviolet module and one bHLH transcription factor in the bisque4 module were predicted. It is believed that our findings could provide valuable information for the future study on the molecular mechanism of flavonoid metabolites and flavonoid synthesis pathways in blueberries.
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Affiliation(s)
- Yinping Li
- Laboratory of Quality and Safety Risk Assessment for Fruit, Research Institute of Pomology, Chinese Academy of Agricultural Sciences, Xingcheng, Liaoning, China
| | - Haifei Li
- Laboratory of Quality and Safety Risk Assessment for Fruit, Research Institute of Pomology, Chinese Academy of Agricultural Sciences, Xingcheng, Liaoning, China
| | - Shiyao Wang
- Department of Applied Biosciences, Toyo University, Ora-gun, Japan
| | - Jing Li
- Laboratory of Quality and Safety Risk Assessment for Fruit, Research Institute of Pomology, Chinese Academy of Agricultural Sciences, Xingcheng, Liaoning, China
| | - Syed Asim Shah Bacha
- Laboratory of Quality and Safety Risk Assessment for Fruit, Research Institute of Pomology, Chinese Academy of Agricultural Sciences, Xingcheng, Liaoning, China
| | - Guofeng Xu
- Laboratory of Quality and Safety Risk Assessment for Fruit, Research Institute of Pomology, Chinese Academy of Agricultural Sciences, Xingcheng, Liaoning, China
- *Correspondence: Guofeng Xu, ; Jing Li,
| | - Jing Li
- Laboratory of Quality and Safety Risk Assessment for Fruit, Research Institute of Pomology, Chinese Academy of Agricultural Sciences, Xingcheng, Liaoning, China
- *Correspondence: Guofeng Xu, ; Jing Li,
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11
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Xie L, Guo Y, Ren C, Cao Y, Li J, Lin J, Grierson D, Zhao X, Zhang B, Sun C, Chen K, Li X. Unravelling the consecutive glycosylation and methylation of flavonols in peach in response to UV-B irradiation. PLANT, CELL & ENVIRONMENT 2022; 45:2158-2175. [PMID: 35357710 DOI: 10.1111/pce.14323] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Revised: 03/02/2022] [Accepted: 03/05/2022] [Indexed: 06/14/2023]
Abstract
Flavonol glycosides are bioactive compounds important for plant defence and human nutrition. Glycosylation and methylation play an important role in enriching the diversity of flavonols in response to the environment. Peach flowers and fruit are rich in flavonol diglycosides such as isorhamnetin 3-O-rutinoside (I3Rut), kaempferol 3-O-rutinoside and quercetin 3-O-rutinoside, and flavonol monoglycosides such as I 3-O-glucoside and Q 3-O-galactoside. UV-B irradiation of fruit significantly induced accumulation of all these flavonol glycosides. Candidate biosynthetic genes induced by UV-B were identified by genome homology searches and the in vitro catalytic activities of purified recombinant proteins determined. PpUGT78T3 and PpUGT78A2 were identified as flavonol 3-O-glucosyltransferase and 3-O-galactosyltransferase, respectively. PpUGT91AK6 was identified as flavonol 1,6-rhamnosyl trasferase catalysing the formation of flavonol rutinosides and PpFOMT1 was identified as a flavonol O-methyltransferase that methylated Q at the 3'-OH-OH to form isorhamnetin derivatives. Transient expression in Nicotiana benthamiana confirmed the specificity of PpUGT78T3 as a flavonol 3-O-glucosyltransferase, PpUGT78A2 as a 3-O-galactosyltransferase, PpUGT91AK6 as a 1,6-rhamnosyltrasferase and PpFOMT1 as an O-methyltransferase. This study provides new insights into the mechanisms of glycosylation and methylation of flavonols, especially the formation of flavonol diglycosides such as I3Rut, and will also be useful for future potential metabolic engineering of complex flavonols.
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Affiliation(s)
- Linfeng Xie
- Shandong (Linyi) Institute of Modern Agriculture, Zhejiang University, Linyi, China
- Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, Zhejiang University, Hangzhou, China
| | - Yan Guo
- Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, Zhejiang University, Hangzhou, China
| | - Chuanhong Ren
- Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, Zhejiang University, Hangzhou, China
| | - Yunlin Cao
- Shandong (Linyi) Institute of Modern Agriculture, Zhejiang University, Linyi, China
- Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, Zhejiang University, Hangzhou, China
| | - Jiajia Li
- Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, Zhejiang University, Hangzhou, China
| | - Jing Lin
- Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, Zhejiang University, Hangzhou, China
| | - Donald Grierson
- Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, Zhejiang University, Hangzhou, China
- Plant and Crop Sciences Division, School of Biosciences, University of Nottingham, Loughborough, UK
| | - Xiaoyong Zhao
- Shandong (Linyi) Institute of Modern Agriculture, Zhejiang University, Linyi, China
- Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, Zhejiang University, Hangzhou, China
| | - Bo Zhang
- Shandong (Linyi) Institute of Modern Agriculture, Zhejiang University, Linyi, China
- Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, Zhejiang University, Hangzhou, China
| | - Chongde Sun
- Shandong (Linyi) Institute of Modern Agriculture, Zhejiang University, Linyi, China
- Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, Zhejiang University, Hangzhou, China
| | - Kunsong Chen
- Shandong (Linyi) Institute of Modern Agriculture, Zhejiang University, Linyi, China
- Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, Zhejiang University, Hangzhou, China
| | - Xian Li
- Shandong (Linyi) Institute of Modern Agriculture, Zhejiang University, Linyi, China
- Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, Zhejiang University, Hangzhou, China
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12
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Yang Q, Xiang W, Li Z, Nian Y, Fu X, Zhou G, Li L, Zhang J, Huang G, Han X, Xu L, Bai X, Liu L, Wu D. Genome-Wide Characterization and Expression Analysis of HD-ZIP Gene Family in Dendrobium officinale. Front Genet 2022; 13:797014. [PMID: 35368655 PMCID: PMC8971680 DOI: 10.3389/fgene.2022.797014] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Accepted: 01/07/2022] [Indexed: 11/29/2022] Open
Abstract
The homeodomain-leucine zipper (HD-ZIP) gene family, as one of the plant-specific transcription factor families, plays an important role in regulating plant growth and development as well as in response to diverse stresses. Although it has been extensively characterized in many plants, the HD-ZIP family is not well-studied in Dendrobium officinale, a valuable ornamental and traditional Chinese medicinal herb. In this study, 37 HD-ZIP genes were identified in Dendrobium officinale (Dohdzs) through the in silico genome search method, and they were classified into four subfamilies based on phylogenetic analysis. Exon–intron structure and conserved protein domain analyses further supported the prediction with the same group sharing similar gene and protein structures. Furthermore, their expression patterns were investigated in nine various tissues and under cold stress based on RNA-seq datasets to obtain the tissue-specific and cold-responsive candidates. Finally, Dohdz5, Dohdz9, and Dohdz12 were selected to validate their expression through qRT-PCR analysis, and they displayed significantly differential expression under sudden chilling stress, suggesting they might be the key candidates underlying cold stress response. These findings will contribute to better understanding of the regulatory roles of the HD-ZIP family playing in cold stress and also will provide the vital targets for further functional studies of HD-ZIP genes in D. officinale.
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Affiliation(s)
- Qianyu Yang
- College of Forestry, Shenyang Agricultural University, Shenyang, China
| | - Weibo Xiang
- Rare Plants Research Institute of Yangtze River, China Three Gorges Corporation, Yichang, China
- National Engineering Research Center of Eco-Environment Protection for Yangtze River Economic Belt, China Three Gorges Corporation, Beijing, China
- YANGTZE Eco-Environment Engineering Research Center, China Three Gorges Corporation, Beijing, China
| | - Zhihui Li
- College of Forestry, Shenyang Agricultural University, Shenyang, China
| | - Yuxin Nian
- College of Forestry, Shenyang Agricultural University, Shenyang, China
| | - Xiaoyun Fu
- College of Forestry, Shenyang Agricultural University, Shenyang, China
| | - Guangzhu Zhou
- College of Forestry, Shenyang Agricultural University, Shenyang, China
| | - Linbao Li
- Rare Plants Research Institute of Yangtze River, China Three Gorges Corporation, Yichang, China
- National Engineering Research Center of Eco-Environment Protection for Yangtze River Economic Belt, China Three Gorges Corporation, Beijing, China
- YANGTZE Eco-Environment Engineering Research Center, China Three Gorges Corporation, Beijing, China
| | - Jun Zhang
- Rare Plants Research Institute of Yangtze River, China Three Gorges Corporation, Yichang, China
- National Engineering Research Center of Eco-Environment Protection for Yangtze River Economic Belt, China Three Gorges Corporation, Beijing, China
- YANGTZE Eco-Environment Engineering Research Center, China Three Gorges Corporation, Beijing, China
| | - Guiyun Huang
- Rare Plants Research Institute of Yangtze River, China Three Gorges Corporation, Yichang, China
- National Engineering Research Center of Eco-Environment Protection for Yangtze River Economic Belt, China Three Gorges Corporation, Beijing, China
- YANGTZE Eco-Environment Engineering Research Center, China Three Gorges Corporation, Beijing, China
| | - Xiao Han
- Natural Resources Affairs Service Center of Dalian, Dalian, China
| | - Lu Xu
- College of Horticulture, Hunan Agricultural University, Hunan Mid-Subtropical Quality Plant Breeding and Utilization Engineering Technology Research Center, Changsha, China
| | - Xiao Bai
- State Key Laboratory of Tree Genetics and Breeding, Key Laboratory of Tree Breeding and Cultivation of the State Forestry Administration, Research Institute of Forestry, Chinese Academy of Forestry, Beijing, China
| | - Lei Liu
- State Key Laboratory of Tree Genetics and Breeding, Key Laboratory of Tree Breeding and Cultivation of the State Forestry Administration, Research Institute of Forestry, Chinese Academy of Forestry, Beijing, China
- *Correspondence: Lei Liu, ; Di Wu,
| | - Di Wu
- Rare Plants Research Institute of Yangtze River, China Three Gorges Corporation, Yichang, China
- National Engineering Research Center of Eco-Environment Protection for Yangtze River Economic Belt, China Three Gorges Corporation, Beijing, China
- YANGTZE Eco-Environment Engineering Research Center, China Three Gorges Corporation, Beijing, China
- *Correspondence: Lei Liu, ; Di Wu,
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13
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Wang Z, Wang S, Liu P, Yang X, He X, Xie X, Luo Z, Wu M, Wang C, Yang J. Molecular cloning and functional characterization of NtWRKY41a in the biosynthesis of phenylpropanoids in Nicotiana tabacum. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2022; 315:111154. [PMID: 35067314 DOI: 10.1016/j.plantsci.2021.111154] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Revised: 11/21/2021] [Accepted: 12/11/2021] [Indexed: 06/14/2023]
Abstract
Phenylpropanoids are important secondary metabolites that have multifaceted effects on plant growth, development, and environmental adaptation. WRKY41 has been shown to repress anthocyanins synthesis in Arabidopsis, but its full roles in regulating plant phenylpropanoids metabolism still remains to be further studied. Here, we cloned two NtWRKY41 genes from N. tabacum genome, and NtWRKY41a showed higher expression levels than NtWRKY41b genes in all the tobacco tissues examined. Overexpression and knock-out of NtWRKY41a gene revealed that NtWRKY41a promoted the biosynthesis of Chlorogenic acid (CGA) and lignin, but repressed the accumulation of scopoletin and flavonoids in tobacco. Transcriptome analysis found 7 phenylpropanoids related differentially expressed genes (DEGs) between WT and NtWRKY41a-OE plants, among which the transcription of NtCCoAOMT and NtHST was significantly induced by posttranslational activation of NtWRKY41a, while those of NtF6'H1 and NtGT3 was significantly repressed by NtWRKY41a. Chromatin immunoprecipitation and Dual-Luc assays further indicated that NtWRKY41a could bind to the promoter regions of these four genes to regulate their transcription. Moreover, ectopic expression of NtWRKY41a also promoted the transcription of several NtLOX and NtHPL genes, which encode key enzymes involved in the oxylipin pathway. Our findings revealed new functions of NtWRKY41a in modulating the distribution of metabolism flux in phenylpropanoids pathway, and provided a promising target for manipulating phenylpropanoids contents in tobacco.
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Affiliation(s)
- Zhong Wang
- China Tobacco Gene Research Center, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, 450001, China
| | - Shuaibin Wang
- Technology Center, China Tobacco Hunan Industrial Co., Ltd., Changsha, 410007, China
| | - Pingping Liu
- China Tobacco Gene Research Center, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, 450001, China
| | - Xiaonian Yang
- Technology Center, China Tobacco Hunan Industrial Co., Ltd., Changsha, 410007, China
| | - Xinxi He
- Technology Center, China Tobacco Hunan Industrial Co., Ltd., Changsha, 410007, China
| | - Xiaodong Xie
- China Tobacco Gene Research Center, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, 450001, China
| | - Zhaopeng Luo
- China Tobacco Gene Research Center, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, 450001, China
| | - Mingzhu Wu
- China Tobacco Gene Research Center, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, 450001, China
| | - Chen Wang
- China Tobacco Gene Research Center, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, 450001, China
| | - Jun Yang
- China Tobacco Gene Research Center, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, 450001, China.
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14
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Sharif R, Raza A, Chen P, Li Y, El-Ballat EM, Rauf A, Hano C, El-Esawi MA. HD-ZIP Gene Family: Potential Roles in Improving Plant Growth and Regulating Stress-Responsive Mechanisms in Plants. Genes (Basel) 2021; 12:genes12081256. [PMID: 34440430 PMCID: PMC8394574 DOI: 10.3390/genes12081256] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Revised: 08/06/2021] [Accepted: 08/12/2021] [Indexed: 12/11/2022] Open
Abstract
Exploring the molecular foundation of the gene-regulatory systems underlying agronomic parameters or/and plant responses to both abiotic and biotic stresses is crucial for crop improvement. Thus, transcription factors, which alone or in combination directly regulated the targeted gene expression levels, are appropriate players for enlightening agronomic parameters through genetic engineering. In this regard, homeodomain leucine zipper (HD-ZIP) genes family concerned with enlightening plant growth and tolerance to environmental stresses are considered key players for crop improvement. This gene family containing HD and LZ domain belongs to the homeobox superfamily. It is further classified into four subfamilies, namely HD-ZIP I, HD-ZIP II, HD-ZIP III, and HD-ZIP IV. The first HD domain-containing gene was discovered in maize cells almost three decades ago. Since then, with advanced technologies, these genes were functionally characterized for their distinct roles in overall plant growth and development under adverse environmental conditions. This review summarized the different functions of HD-ZIP genes in plant growth and physiological-related activities from germination to fruit development. Additionally, the HD-ZIP genes also respond to various abiotic and biotic environmental stimuli by regulating defense response of plants. This review, therefore, highlighted the various significant aspects of this important gene family based on the recent findings. The practical application of HD-ZIP biomolecules in developing bioengineered plants will not only mitigate the negative effects of environmental stresses but also increase the overall production of crop plants.
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Affiliation(s)
- Rahat Sharif
- Department of Horticulture, College of Horticulture and Plant Protection, Yangzhou University, Yangzhou 225009, China;
- College of Horticulture, Northwest A&F University, Yangling 712100, China
| | - Ali Raza
- Fujian Provincial Key Laboratory of Crop Molecular and Cell Biology, Oil Crops Research Institute, Center of Legume Crop Genetics and Systems Biology, College of Agriculture, Fujian Agriculture and Forestry University, Fuzhou 350002, China;
- Key Laboratory of Biology and Genetic Improvement of Oil Crops, Oil Crops Research Institute, Chinese Academy of Agriculture Science (CAAS), Wuhan 430062, China
| | - Peng Chen
- College of Life Science, Northwest A&F University, Yangling 712100, China;
| | - Yuhong Li
- College of Horticulture, Northwest A&F University, Yangling 712100, China
- Correspondence: (Y.L.); (M.A.E.-E.)
| | - Enas M. El-Ballat
- Botany Department, Faculty of Science, Tanta University, Tanta 31527, Egypt;
| | - Abdur Rauf
- Department of Chemistry, University of Swabi, Anbar 23430, Pakistan;
| | - Christophe Hano
- Laboratoire de Biologie des Ligneux et des Grandes Cultures (LBLGC), INRAE USC1328, Université d’Orléans, 28000 Chartres, France;
| | - Mohamed A. El-Esawi
- Botany Department, Faculty of Science, Tanta University, Tanta 31527, Egypt;
- Correspondence: (Y.L.); (M.A.E.-E.)
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15
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Wang Z, Luo Z, Liu Y, Li Z, Liu P, Bai G, Zhou Z, Xie H, Yang J. Molecular cloning and functional characterization of NtWRKY11b in promoting the biosynthesis of flavonols in Nicotiana tabacum. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2021; 304:110799. [PMID: 33568298 DOI: 10.1016/j.plantsci.2020.110799] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Revised: 12/07/2020] [Accepted: 12/11/2020] [Indexed: 06/12/2023]
Abstract
The biosynthesis of flavonols and anthocyanins is precisely regulated by different transcription factors in plants. WRKY11 promotes the biosynthesis of flavonoids in apple, but the molecular mechanism of WRKY11 regulating flavonols biosynthesis, and whether WRKY11 plays the same roles in other plants species remains to be further studied. Here, we cloned four NtWRKY11 genes from tobacco, which all contained the conserved WRKYGQK heptapeptide and a zinc-finger motif. The NtWRKY11b showed higher expression levels than the other NtWRKY11 genes in all the tobacco tissues examined, especially in tobacco leaves. Silencing of NtWRKY11b in tobacco leaves reduced the content of flavonols to 45.2 %-69.8 % of that in the WT plants, but overexpression of NtWRKY11b increased the flavonols content by 37.8 %-80.7 %. Transcriptome analysis revealed 8 flavonoids related differentially expressed genes (DEGs) between NtWRKY11b-OE and WT plants, among which the transcription of NtMYB12, NtFLS, NtGT5, and NtUFGT was significantly induced by posttranslational activation of NtWRKY11b with the presence of protein synthesis inhibitor, indicating a putative direct promotion of NtWRKY11b on the transcription of these flavonoids related genes. Chromatin immunoprecipitation assays further demonstrated that NtWRKY11b could bind to the promoter regions of NtMYB12, NtFLS, NtGT5, and NtUFGT to activate the transcription of these genes. Moreover, ectopic expression of NtWRKY11b also promoted the expression levels of NtCML38, NtCTL1, NtWRKY44, and NtCML37 genes, which have been shown to enhance plant resistance to various stresses. Our findings revealed the molecular mechanism of NtWRKY11b regulating flavonols biosynthesis, and provided a promising target for increasing flavonols content in tobacco.
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Affiliation(s)
- Zhong Wang
- China Tobacco Gene Research Center, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, 450001, China
| | - Zhaopeng Luo
- China Tobacco Gene Research Center, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, 450001, China
| | - Yongjun Liu
- Hunan Tobacco Research Institute, Changsha, 410004, China
| | - Zefeng Li
- China Tobacco Gene Research Center, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, 450001, China
| | - Pingping Liu
- China Tobacco Gene Research Center, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, 450001, China
| | - Ge Bai
- Tobacco Breeding and Biotechnology Research Center, Yunnan Academy of Tobacco Agricultural Sciences, Kunming, 650021, China
| | - Zhicheng Zhou
- Hunan Tobacco Research Institute, Changsha, 410004, China
| | - He Xie
- Tobacco Breeding and Biotechnology Research Center, Yunnan Academy of Tobacco Agricultural Sciences, Kunming, 650021, China.
| | - Jun Yang
- China Tobacco Gene Research Center, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, 450001, China.
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16
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Wang Z, Li ZF, Wang SS, Xiao YS, Xie XD, Wu MZ, Yu JL, Cheng LR, Yang AG, Yang J. NtMYB12a acts downstream of sucrose to inhibit fatty acid accumulation by targeting lipoxygenase and SFAR genes in tobacco. PLANT, CELL & ENVIRONMENT 2021; 44:775-791. [PMID: 33225450 DOI: 10.1111/pce.13957] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Revised: 11/14/2020] [Accepted: 11/16/2020] [Indexed: 06/11/2023]
Abstract
MYB12 promotes flavonol biosynthesis in plants by targeting several early biosynthesis genes (EBGs) of this pathway. The transcriptions of these EBGs are also induced by sucrose signal. However, whether MYB12 is activated by sucrose signal and what the other roles MYB12 has in regulating plant metabolism are poorly understood. In this study, two NtMYB12 genes were cloned from Nicotiana tabacum. Both NtMYB12a and NtMYB12b are involved in regulating flavonoids biosynthesis in tobacco. NtMYB12a is further shown to inhibit the accumulation of fatty acid (FA) in tobacco leaves and seeds. Post-translational activation and chromatin immunoprecipitation assays demonstrate that NtMYB12a directly promotes the transcriptions of NtLOX6, NtLOX5, NtSFAR4 and NtGDSL2, which encode lipoxygenase (LOX) or SFAR enzymes catalyzing the degradation of FA. NtLOX6 and NtLOX5 are shown to prevent the accumulation of FA in the mature seeds and significantly reduced the percentage of polyunsaturated fatty acids (PUFAs) in tobacco. Sucrose stimulates the transcription of NtMYB12a, and loss function of NtMYB12a partially suppresses the decrease of FA content in tobacco seedlings caused by sucrose treatment. The regulation of sucrose on the expression of NtLOX6 and NtGDSL2 genes is mediated by NtMYB12a, whereas those of NtLOX5 and NtSFAR4 genes are independent of sucrose.
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Affiliation(s)
- Zhong Wang
- China Tobacco Gene Research Center, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, China
| | - Ze Feng Li
- China Tobacco Gene Research Center, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, China
| | - Shan Shan Wang
- Xiangyang Cigarette Factory, China Tobacco Hubei Industrial Co., Ltd., Xiangyang, China
| | - Yan Song Xiao
- Chenzhou Tobacco Company of Hunan Province, Chenzhou, China
| | - Xiao Dong Xie
- China Tobacco Gene Research Center, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, China
| | - Ming Zhu Wu
- China Tobacco Gene Research Center, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, China
| | - Jin Long Yu
- Chenzhou Tobacco Company of Hunan Province, Chenzhou, China
| | - Li Rui Cheng
- Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao, China
| | - Ai Guo Yang
- Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao, China
| | - Jun Yang
- China Tobacco Gene Research Center, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, China
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17
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Ma W, Kang X, Liu P, Zhang Y, Lin X, Li B, Chen Z. The analysis of transcription factor CsHB1 effects on caffeine accumulation in tea callus through CRISPR/Cas9 mediated gene editing. Process Biochem 2021. [DOI: 10.1016/j.procbio.2021.01.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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18
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Zhang M, Liu Y, Cai H, Guo M, Chai M, She Z, Ye L, Cheng Y, Wang B, Qin Y. The bZIP Transcription Factor GmbZIP15 Negatively Regulates Salt- and Drought-Stress Responses in Soybean. Int J Mol Sci 2020; 21:E7778. [PMID: 33096644 PMCID: PMC7589023 DOI: 10.3390/ijms21207778] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Revised: 10/12/2020] [Accepted: 10/18/2020] [Indexed: 12/03/2022] Open
Abstract
Soybean (Glycine max), as an important oilseed crop, is constantly threatened by abiotic stress, including that caused by salinity and drought. bZIP transcription factors (TFs) are one of the largest TF families and have been shown to be associated with various environmental-stress tolerances among species; however, their function in abiotic-stress response in soybean remains poorly understood. Here, we characterized the roles of soybean transcription factor GmbZIP15 in response to abiotic stresses. The transcript level of GmbZIP15 was suppressed under salt- and drought-stress conditions. Overexpression of GmbZIP15 in soybean resulted in hypersensitivity to abiotic stress compared with wild-type (WT) plants, which was associated with lower transcript levels of stress-responsive genes involved in both abscisic acid (ABA)-dependent and ABA-independent pathways, defective stomatal aperture regulation, and reduced antioxidant enzyme activities. Furthermore, plants expressing a functional repressor form of GmbZIP15 exhibited drought-stress resistance similar to WT. RNA-seq and qRT-PCR analyses revealed that GmbZIP15 positively regulates GmSAHH1 expression and negatively regulates GmWRKY12 and GmABF1 expression in response to abiotic stress. Overall, these data indicate that GmbZIP15 functions as a negative regulator in response to salt and drought stresses.
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Affiliation(s)
- Man Zhang
- Key Lab of Genetics, Breeding and Multiple Utilization of Crops, Ministry of Education, State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, Fujian Provincial Key Laboratory of Haixia Applied Plant Systems Biology, Center for Genomics and Biotechnology, College of Plant Protection, College of Life Sciences, College of Crop Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (M.Z.); (Y.L.); (H.C.); (M.G.); (M.C.); (L.Y.); (Y.C.)
| | - Yanhui Liu
- Key Lab of Genetics, Breeding and Multiple Utilization of Crops, Ministry of Education, State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, Fujian Provincial Key Laboratory of Haixia Applied Plant Systems Biology, Center for Genomics and Biotechnology, College of Plant Protection, College of Life Sciences, College of Crop Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (M.Z.); (Y.L.); (H.C.); (M.G.); (M.C.); (L.Y.); (Y.C.)
| | - Hanyang Cai
- Key Lab of Genetics, Breeding and Multiple Utilization of Crops, Ministry of Education, State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, Fujian Provincial Key Laboratory of Haixia Applied Plant Systems Biology, Center for Genomics and Biotechnology, College of Plant Protection, College of Life Sciences, College of Crop Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (M.Z.); (Y.L.); (H.C.); (M.G.); (M.C.); (L.Y.); (Y.C.)
| | - Mingliang Guo
- Key Lab of Genetics, Breeding and Multiple Utilization of Crops, Ministry of Education, State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, Fujian Provincial Key Laboratory of Haixia Applied Plant Systems Biology, Center for Genomics and Biotechnology, College of Plant Protection, College of Life Sciences, College of Crop Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (M.Z.); (Y.L.); (H.C.); (M.G.); (M.C.); (L.Y.); (Y.C.)
| | - Mengnan Chai
- Key Lab of Genetics, Breeding and Multiple Utilization of Crops, Ministry of Education, State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, Fujian Provincial Key Laboratory of Haixia Applied Plant Systems Biology, Center for Genomics and Biotechnology, College of Plant Protection, College of Life Sciences, College of Crop Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (M.Z.); (Y.L.); (H.C.); (M.G.); (M.C.); (L.Y.); (Y.C.)
| | - Zeyuan She
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangxi Key Lab of Sugarcane Biology, College of Agriculture, Guangxi University, Nanning 530004, China;
| | - Li Ye
- Key Lab of Genetics, Breeding and Multiple Utilization of Crops, Ministry of Education, State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, Fujian Provincial Key Laboratory of Haixia Applied Plant Systems Biology, Center for Genomics and Biotechnology, College of Plant Protection, College of Life Sciences, College of Crop Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (M.Z.); (Y.L.); (H.C.); (M.G.); (M.C.); (L.Y.); (Y.C.)
| | - Yan Cheng
- Key Lab of Genetics, Breeding and Multiple Utilization of Crops, Ministry of Education, State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, Fujian Provincial Key Laboratory of Haixia Applied Plant Systems Biology, Center for Genomics and Biotechnology, College of Plant Protection, College of Life Sciences, College of Crop Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (M.Z.); (Y.L.); (H.C.); (M.G.); (M.C.); (L.Y.); (Y.C.)
| | - Bingrui Wang
- College of Plant Science & Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Yuan Qin
- Key Lab of Genetics, Breeding and Multiple Utilization of Crops, Ministry of Education, State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, Fujian Provincial Key Laboratory of Haixia Applied Plant Systems Biology, Center for Genomics and Biotechnology, College of Plant Protection, College of Life Sciences, College of Crop Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (M.Z.); (Y.L.); (H.C.); (M.G.); (M.C.); (L.Y.); (Y.C.)
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangxi Key Lab of Sugarcane Biology, College of Agriculture, Guangxi University, Nanning 530004, China;
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19
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Xie D, Chen L, Zhou C, Tarin MWK, Yang D, Ren K, He T, Rong J, Zheng Y. Transcriptomic and metabolomic profiling reveals the effect of LED light quality on morphological traits, and phenylpropanoid-derived compounds accumulation in Sarcandra glabra seedlings. BMC PLANT BIOLOGY 2020; 20:476. [PMID: 33076818 PMCID: PMC7574309 DOI: 10.1186/s12870-020-02685-w] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Accepted: 10/07/2020] [Indexed: 06/01/2023]
Abstract
BACKGROUND Sarcandra glabra is an evergreen and traditional Chinese herb with anti-oxidant, anti-bacterial, anti-inflammatory, and anti-tumor effects. Light is one of the most influential factor affecting the growth and quality of herbs. In recent times, the introduction of Light Emission Diode (LED) technology has been widely used for plants in greenhouse. However, the impact of such lights on plant growth and the regulatory mechanism of phenylpropanoid-derived compounds in S. glabra remain unclear. RESULTS The red LED light (RL) substantially increased the plant height and decreased the stem diameter and leaf area relative to the white LED light (WL), while the blue LED light (BL) significantly reduced the height and leaf area of S. glabra. According to transcriptomic profiling, 861, 378, 47, 10,033, 7917, and 6379 differentially expressed genes (DEGs) were identified among the groups of leaf tissue under BL (BY) vs. leaf tissue under RL (RY), BY vs. leaf tissue under WL (WY), RY vs. WY, root tissue under WL (WG) vs. WY, stem tissue under WL (WJ) vs. WG, and WJ vs. WY, respectively. We identified 46 genes encoding for almost all known enzymes involved in phenylpropanoid biosynthesis, e.g., phenylalanine ammonia lyase (PAL), chalcone synthase (CHS), and flavonol synthase (FLS). We found 53 genes encoding R2R3-MYB proteins and bHLH proteins, respectively, where several were related to flavonoids biosynthesis. A total of 454 metabolites were identified based on metabolomic profiling, of which 44, 87, and 296 compounds were differentially produced in WY vs. RY, WY vs. BY, and WY vs. WG. In BY there was a substantial reduction in the production of esculetin, caffeic acid, isofraxidin, and fraxidin, while the yields of quercitrin and kaempferol were significantly up-regulated. In RY, the contents of cryptochlorogenic acid, cinnamic acid, and kaempferol decreased significantly. Besides, in WG, the production of metabolites (e.g. chlorogenic acid, cryptochlorogenic acid, and scopolin) declined, while their yields increased significantly (e.g. esculetin, fraxetin, isofraxidin, and fraxidin). CONCLUSION These results provide further insight into the regulatory mechanism of accumulation patterns of phenylpropanoid-derived compounds in S. glabra under various light conditions, allowing optimum breeding conditions to be developed for this plant.
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Affiliation(s)
- Dejin Xie
- College of Forestry, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Lingyan Chen
- College of Arts & College of Landscape Architecture, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Chengcheng Zhou
- College of Arts & College of Landscape Architecture, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Muhammad Waqqas Khan Tarin
- College of Arts & College of Landscape Architecture, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Deming Yang
- College of Forestry, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Ke Ren
- College of Forestry, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Tianyou He
- College of Arts & College of Landscape Architecture, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Jundong Rong
- College of Forestry, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Yushan Zheng
- College of Forestry, Fujian Agriculture and Forestry University, Fuzhou, 350002, China.
- College of Arts & College of Landscape Architecture, Fujian Agriculture and Forestry University, Fuzhou, 350002, China.
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