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Liu L, Li S, Tang F, Li P, Liu J, Fu R, Zheng L, Zhang J, Chao N. MaMYBR30, a Novel 1R-MYB, Plays Important Roles in Plant Development and Abiotic Stress Resistance. PLANTS (BASEL, SWITZERLAND) 2024; 13:1794. [PMID: 38999634 DOI: 10.3390/plants13131794] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/28/2024] [Revised: 06/25/2024] [Accepted: 06/27/2024] [Indexed: 07/14/2024]
Abstract
The V-myb myeloblastosis viral oncogene homolog (MYB) family participate in various bioprocesses including development and abiotic stress responses. In the present study, we first report a 1R SHAQKYF-class MYB, MaMYBR30, in mulberry. Subcellular localization and sequence analysis indicated MaMYBR30 is located in the nucleus and belongs to a CCA-like subgroup with a conserved SHAQKYF motif. Expression profile analysis showed that MaMYBR30 is expressed in leaves and can be induced by drought and salt stress. The down-regulation of MaMYBR30 using virus-induced gene silence (VIGS) in mulberry and the overexpression of MaMYBR30 in Arabidopsis were induced to explore the function of MaMYBR30. The functional characterization of MaMYBR30 in vivo indicated that MaMYBR30 can positively regulate the resistance of mulberry to drought while negatively regulating the resistance of mulberry to salt stress. In addition, MaMYBR30 also affects flower development and reproductive growth, especially after exposure to salt stress. Weighted gene co-expression network analysis (WGCNA) primarily revealed the possible genes and signal pathways that are regulated by MaMYBR30. Our results also imply that complex molecular mechanisms mediated by MaMYBR30, including crosstalk of ion toxicity, phytohormone signal transduction, flowering development, and epigenetic modification, need to be further explored in the future.
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Affiliation(s)
- Li Liu
- Jiangsu Key Laboratory of Sericultural Biology and Biotechnology, School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang 212100, China
- Key Laboratory of Silkworm and Mulberry Genetic Improvement, Ministry of Agriculture and Rural Affairs, Sericultural Research Institute, Chinese Academy of Agricultural Sciences, Zhenjiang 212100, China
| | - Shan Li
- Jiangsu Key Laboratory of Sericultural Biology and Biotechnology, School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang 212100, China
| | - Fengjuan Tang
- Jiangsu Key Laboratory of Sericultural Biology and Biotechnology, School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang 212100, China
| | - Peijun Li
- Jiangsu Key Laboratory of Sericultural Biology and Biotechnology, School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang 212100, China
| | - Jiaxin Liu
- Jiangsu Key Laboratory of Sericultural Biology and Biotechnology, School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang 212100, China
| | - Rumeng Fu
- Jiangsu Key Laboratory of Sericultural Biology and Biotechnology, School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang 212100, China
| | - Longyan Zheng
- Jiangsu Key Laboratory of Sericultural Biology and Biotechnology, School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang 212100, China
| | - Jie Zhang
- Jiangsu Key Laboratory of Sericultural Biology and Biotechnology, School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang 212100, China
| | - Nan Chao
- Jiangsu Key Laboratory of Sericultural Biology and Biotechnology, School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang 212100, China
- Key Laboratory of Silkworm and Mulberry Genetic Improvement, Ministry of Agriculture and Rural Affairs, Sericultural Research Institute, Chinese Academy of Agricultural Sciences, Zhenjiang 212100, China
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Zhu X, Wen S, Gul H, Xu P, Yang Y, Liao X, Ye Y, Xu Z, Zhang X, Wu L. Exploring regulatory network of icariin synthesis in Herba Epimedii through integrated omics analysis. FRONTIERS IN PLANT SCIENCE 2024; 15:1409601. [PMID: 38933461 PMCID: PMC11203402 DOI: 10.3389/fpls.2024.1409601] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/30/2024] [Accepted: 05/27/2024] [Indexed: 06/28/2024]
Abstract
Herba Epimedii's leaves are highly valued in traditional Chinese medicine for their substantial concentration of flavonoids, which play a crucial role in manifesting the plant's therapeutic properties. This study investigated the metabolomic, transcriptomic and proteomic profiles of leaves from two Herba Epimedii cultivars, Epipremnum sagittatum (J) and Epipremnum pubescens (R), at three different developmental stages. Metabolite identification and analysis revealed a total of 1,412 and 1,421 metabolites with known structures were found. Flavonoids made up of 33%, including 10 significant accumulated icariin analogues. Transcriptomic analysis unveiled totally 41,644 differentially expressed genes (DEGs) containing five encoded genes participated in icariin biosynthesis pathways. Totally, 9,745 differentially expressed proteins (DEPs) were found, including Cluster-47248.2.p1 (UDP-glucuronosy/UDP-glucosyltransferase), Cluster-30441.2.p1 (O-glucosyltransferase), and Cluster-28344.9.p1 (anthocyanidin 3-O-glucoside 2 "-O-glucosyltransferase-like) through proteomics analysis which are involved to icariin biosynthesis. Protein-protein interaction (PPI) assay exhibited, totally 12 proteins showing a strong relationship of false discovery rate (FDR) <0.05 with these three proteins containing 2 leucine-rich repeat receptor kinase-like protein SRF7, and 5 methyl jasmonate esterase 1. Multi-omics connection networks uncovered 237 DEGs and 72 DEPs exhibited significant associations with the 10 icariin analogues. Overall, our integrated omics approach provides comprehensive insights into the regulatory network underlying icariin synthesis in Herba Epimedii, offering valuable resources for further research and development in medicinal plant cultivation and pharmaceutical applications.
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Affiliation(s)
- Xuedong Zhu
- Fuling Academy of Southwest University/Southeast Chongqing Academy of Agricultural Sciences, Southwest University, Chongqing, China
| | - Shiqi Wen
- Integrative Science Center of Germplasm Creation in Western China (CHONGQING) Science City, Southwest University, Chongqing, China
- College of Agronomy and Biotechnology, Southwest University, Chongqing, China
| | - Hameed Gul
- College of Agronomy and Biotechnology, Southwest University, Chongqing, China
| | - Pan Xu
- Fuling Academy of Southwest University/Southeast Chongqing Academy of Agricultural Sciences, Southwest University, Chongqing, China
| | - Yang Yang
- Integrative Science Center of Germplasm Creation in Western China (CHONGQING) Science City, Southwest University, Chongqing, China
- College of Agronomy and Biotechnology, Southwest University, Chongqing, China
| | - Ximei Liao
- Integrative Science Center of Germplasm Creation in Western China (CHONGQING) Science City, Southwest University, Chongqing, China
- Chongqing Key Laboratory of Biology and Genetic Breeding for Tuber and Root Crops, Southwest University, Chongqing, China
| | - Yunling Ye
- Integrative Science Center of Germplasm Creation in Western China (CHONGQING) Science City, Southwest University, Chongqing, China
- Key Laboratory of Germplasm Innovation of Upper Yangtze River, Ministry of Agriculture and Rural Affairs, Chongqing, China
| | - Zijian Xu
- Integrative Science Center of Germplasm Creation in Western China (CHONGQING) Science City, Southwest University, Chongqing, China
- Key Laboratory of Germplasm Innovation of Upper Yangtze River, Ministry of Agriculture and Rural Affairs, Chongqing, China
| | - Xiaofang Zhang
- Fuling Academy of Southwest University/Southeast Chongqing Academy of Agricultural Sciences, Southwest University, Chongqing, China
| | - Lin Wu
- Fuling Academy of Southwest University/Southeast Chongqing Academy of Agricultural Sciences, Southwest University, Chongqing, China
- Integrative Science Center of Germplasm Creation in Western China (CHONGQING) Science City, Southwest University, Chongqing, China
- Key Laboratory of Germplasm Innovation of Upper Yangtze River, Ministry of Agriculture and Rural Affairs, Chongqing, China
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3
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Xia Z, Fan W, Liu D, Chen Y, Lv J, Xu M, Zhang M, Ren Z, Chen X, Wang X, Li L, Zhu P, Liu C, Song Z, Huang C, Wang X, Wang S, Zhao A. Haplotype-resolved chromosomal-level genome assembly reveals regulatory variations in mulberry fruit anthocyanin content. HORTICULTURE RESEARCH 2024; 11:uhae120. [PMID: 38919559 PMCID: PMC11197311 DOI: 10.1093/hr/uhae120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Accepted: 04/14/2024] [Indexed: 06/27/2024]
Abstract
Understanding the intricate regulatory mechanisms underlying the anthocyanin content (AC) in fruits and vegetables is crucial for advanced biotechnological customization. In this study, we generated high-quality haplotype-resolved genome assemblies for two mulberry cultivars: the high-AC 'Zhongsang5801' (ZS5801) and the low-AC 'Zhenzhubai' (ZZB). Additionally, we conducted a comprehensive analysis of genes associated with AC production. Through genome-wide association studies (GWAS) on 112 mulberry fruits, we identified MaVHAG3, which encodes a vacuolar-type H+-ATPase G3 subunit, as a key gene linked to purple pigmentation. To gain deeper insights into the genetic and molecular processes underlying high AC, we compared the genomes of ZS5801 and ZZB, along with fruit transcriptome data across five developmental stages, and quantified the accumulation of metabolic substances. Compared to ZZB, ZS5801 exhibited significantly more differentially expressed genes (DEGs) related to anthocyanin metabolism and higher levels of anthocyanins and flavonoids. Comparative analyses revealed expansions and contractions in the flavonol synthase (FLS) and dihydroflavonol 4-reductase (DFR) genes, resulting in altered carbon flow. Co-expression analysis demonstrated that ZS5801 displayed more significant alterations in genes involved in late-stage AC regulation compared to ZZB, particularly during the phase stage. In summary, our findings provide valuable insights into the regulation of mulberry fruit AC, offering genetic resources to enhance cultivars with higher AC traits.
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Affiliation(s)
- Zhongqiang Xia
- State Key Laboratory of Resource Insects, Institute of Sericulture and Systems Biology, Southwest University, Chongqing 400715, China
| | - Wei Fan
- State Key Laboratory of Resource Insects, Institute of Sericulture and Systems Biology, Southwest University, Chongqing 400715, China
| | - Duanyang Liu
- State Key Laboratory of Resource Insects, Institute of Sericulture and Systems Biology, Southwest University, Chongqing 400715, China
| | - Yuane Chen
- State Key Laboratory of Resource Insects, Institute of Sericulture and Systems Biology, Southwest University, Chongqing 400715, China
| | - Jing Lv
- State Key Laboratory of Resource Insects, Institute of Sericulture and Systems Biology, Southwest University, Chongqing 400715, China
| | - Mengxia Xu
- State Key Laboratory of Resource Insects, Institute of Sericulture and Systems Biology, Southwest University, Chongqing 400715, China
| | - Meirong Zhang
- State Key Laboratory of Resource Insects, Institute of Sericulture and Systems Biology, Southwest University, Chongqing 400715, China
| | - Zuzhao Ren
- State Key Laboratory of Resource Insects, Institute of Sericulture and Systems Biology, Southwest University, Chongqing 400715, China
| | - Xuefei Chen
- State Key Laboratory of Resource Insects, Institute of Sericulture and Systems Biology, Southwest University, Chongqing 400715, China
| | - Xiujuan Wang
- State Key Laboratory of Resource Insects, Institute of Sericulture and Systems Biology, Southwest University, Chongqing 400715, China
| | - Liang Li
- State Key Laboratory of Resource Insects, Institute of Sericulture and Systems Biology, Southwest University, Chongqing 400715, China
| | - Panpan Zhu
- Resource Institute for Chinese & Ethnic Materia Medica, Guizhou University of Traditional Chinese Medicine, Guiyang 550025, China
| | - Changying Liu
- Key Laboratory of Coarse Cereal Processing, Ministry of Agriculture and Rural Affairs, Chengdu University, Chengdu 610106, China
| | - Zhiguang Song
- Chongqing Sericulture Science and Technology Research Institute, Chongqing.400715, China
| | - Chuanshu Huang
- Chongqing Sericulture Science and Technology Research Institute, Chongqing.400715, China
| | - Xiling Wang
- College of Sericulture, Textile and Biomass Sciences, Southwest University, Chongqing, 400715, China
| | - Shuchang Wang
- Institute of Environment and Plant Protection, Chinese Academy of Tropical Agricultural Sciences, Haikou 570100, China
| | - Aichun Zhao
- State Key Laboratory of Resource Insects, Institute of Sericulture and Systems Biology, Southwest University, Chongqing 400715, China
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Ma X, Hou Y, Umar AW, Wang Y, Yu L, Ahmad N, Yao N, Zhang M, Liu X. Safflower CtFLS1-Induced Drought Tolerance by Stimulating the Accumulation of Flavonols and Anthocyanins in Arabidopsis thaliana. Int J Mol Sci 2024; 25:5546. [PMID: 38791581 PMCID: PMC11122397 DOI: 10.3390/ijms25105546] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2024] [Revised: 05/04/2024] [Accepted: 05/16/2024] [Indexed: 05/26/2024] Open
Abstract
Flavonol synthase gene (FLS) is a member of the 2-oxoglutarate-dependent dioxygenase (2-ODD) superfamily and plays an important role in plant flavonoids biosynthetic pathways. Safflower (Carthamus tinctorius L.), a key source of traditional Chinese medicine, is widely cultivated in China. Although the flavonoid biosynthetic pathway has been studied in several model species, it still remains to be explored in safflower. In this study, we aimed to elucidate the role of CtFLS1 gene in flavonoid biosynthesis and drought stress responses. The bioinformatics analysis on the CtFLS1 gene showed that it contains two FLS-specific motifs (PxxxIRxxxEQP and SxxTxLVP), suggesting its independent evolution. Further, the expression level of CtFLS1 in safflower showed a positive correlation with the accumulation level of total flavonoid content in four different flowering stages. In addition, CtFLS1-overexpression (OE) Arabidopsis plants significantly induced the expression levels of key genes involved in flavonol pathway. On the contrary, the expression of anthocyanin pathway-related genes and MYB transcription factors showed down-regulation. Furthermore, CtFLS1-OE plants promoted seed germination, as well as resistance to osmotic pressure and drought, and reduced sensitivity to ABA compared to mutant and wild-type plants. Moreover, CtFLS1 and CtANS1 were both subcellularly located at the cell membrane and nucleus; the yeast two-hybrid and bimolecular fluorescence complementation (BiFC) assay showed that they interacted with each other at the cell membrane. Altogether, these findings suggest the positive role of CtFLS1 in alleviating drought stress by stimulating flavonols and anthocyanin accumulation in safflower.
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Affiliation(s)
- Xintong Ma
- Engineering Research Center of the Chinese Ministry of Education for Bioreactor and Pharmaceutical Development, College of Life Sciences, Jilin Agricultural University, Changchun 130118, China; (X.M.); (Y.H.); (Y.W.); (L.Y.)
| | - Yuying Hou
- Engineering Research Center of the Chinese Ministry of Education for Bioreactor and Pharmaceutical Development, College of Life Sciences, Jilin Agricultural University, Changchun 130118, China; (X.M.); (Y.H.); (Y.W.); (L.Y.)
| | - Abdul Wakeel Umar
- BNU-HKUST Laboratory of Green Innovation, Advanced Institute of Natural Sciences, Beijing Normal University at Zhuhai (BNUZ), Zhuhai 519087, China;
| | - Yuhan Wang
- Engineering Research Center of the Chinese Ministry of Education for Bioreactor and Pharmaceutical Development, College of Life Sciences, Jilin Agricultural University, Changchun 130118, China; (X.M.); (Y.H.); (Y.W.); (L.Y.)
| | - Lili Yu
- Engineering Research Center of the Chinese Ministry of Education for Bioreactor and Pharmaceutical Development, College of Life Sciences, Jilin Agricultural University, Changchun 130118, China; (X.M.); (Y.H.); (Y.W.); (L.Y.)
| | - Naveed Ahmad
- Joint Center for Single Cell Biology, Shanghai Collaborative Innovation Center of Agri-Seeds, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China;
| | - Na Yao
- Engineering Research Center of the Chinese Ministry of Education for Bioreactor and Pharmaceutical Development, College of Life Sciences, Jilin Agricultural University, Changchun 130118, China; (X.M.); (Y.H.); (Y.W.); (L.Y.)
| | - Min Zhang
- Engineering Research Center of the Chinese Ministry of Education for Bioreactor and Pharmaceutical Development, College of Life Sciences, Jilin Agricultural University, Changchun 130118, China; (X.M.); (Y.H.); (Y.W.); (L.Y.)
- Ginseng and Antler Products Testing Center of the Ministry of Agriculture PRC, Jilin Agricultural University, Changchun 130118, China
| | - Xiuming Liu
- Engineering Research Center of the Chinese Ministry of Education for Bioreactor and Pharmaceutical Development, College of Life Sciences, Jilin Agricultural University, Changchun 130118, China; (X.M.); (Y.H.); (Y.W.); (L.Y.)
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Xu L, Liu C, Ren Y, Huang Y, Liu Y, Feng S, Zhong X, Fu D, Zhou X, Wang J, Liu Y, Yang M. Nanoplastic toxicity induces metabolic shifts in Populus × euramericana cv. '74/76' revealed by multi-omics analysis. JOURNAL OF HAZARDOUS MATERIALS 2024; 470:134148. [PMID: 38565012 DOI: 10.1016/j.jhazmat.2024.134148] [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: 02/03/2024] [Revised: 03/11/2024] [Accepted: 03/26/2024] [Indexed: 04/04/2024]
Abstract
There is increasing global concern regarding the pervasive issue of plastic pollution. We investigated the response of Populus × euramericana cv. '74/76' to nanoplastic toxicity via phenotypic, microanatomical, physiological, transcriptomic, and metabolomic approaches. Polystyrene nanoplastics (PS-NPs) were distributed throughout the test plants after the application of PS-NPs. Nanoplastics principally accumulated in the roots; minimal fractions were translocated to the leaves. In leaves, however, PS-NPs easily penetrated membranes and became concentrated in chloroplasts, causing thylakoid disintegration and chlorophyll degradation. Finally, oxidant damage from the influx of PS-NPs led to diminished photosynthesis, stunted growth, and etiolation and/or wilting. By integrating dual-omics data, we found that plants could counteract mild PS-NP-induced oxidative stress through the antioxidant enzyme system without initiating secondary metabolic defense mechanisms. In contrast, severe PS-NP treatments promoted a shift in metabolic pattern from primary metabolism to secondary metabolic defense mechanisms, an effect that was particularly pronounced during the upregulation of flavonoid biosynthesis. Our findings provide a useful framework from which to further clarify the roles of key biochemical pathways in plant responses to nanoplastic toxicity. Our work also supports the development of effective strategies to mitigate the environmental risks of nanoplastics by biologically immobilizing them in contaminated lands.
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Affiliation(s)
- Liren Xu
- Hebei Agricultural University, Baoding, Hebei 071000, China; Hebei Key Laboratory for Tree Genetic Resources and Forest Protection, Baoding, Hebei 071000, China; National Engineering Laboratory for Tree Breeding, College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing 100083, China.
| | - Chong Liu
- Hebei Agricultural University, Baoding, Hebei 071000, China.
| | - Yachao Ren
- Hebei Agricultural University, Baoding, Hebei 071000, China; Hebei Key Laboratory for Tree Genetic Resources and Forest Protection, Baoding, Hebei 071000, China.
| | - Yinran Huang
- Hebei Agricultural University, Baoding, Hebei 071000, China.
| | - Yichao Liu
- Hebei Academy of Forestry and Grassland Science, Shijiazhuang, Hebei 050061, China.
| | - Shuxiang Feng
- Hebei Academy of Forestry and Grassland Science, Shijiazhuang, Hebei 050061, China.
| | - Xinyu Zhong
- National Engineering Laboratory for Tree Breeding, College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing 100083, China.
| | - Donglin Fu
- National Engineering Laboratory for Tree Breeding, College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing 100083, China.
| | - Xiaohong Zhou
- National Engineering Laboratory for Tree Breeding, College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing 100083, China.
| | - Jinmao Wang
- Hebei Agricultural University, Baoding, Hebei 071000, China; Hebei Key Laboratory for Tree Genetic Resources and Forest Protection, Baoding, Hebei 071000, China.
| | - Yujun Liu
- National Engineering Laboratory for Tree Breeding, College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing 100083, China.
| | - Minsheng Yang
- Hebei Agricultural University, Baoding, Hebei 071000, China; Hebei Key Laboratory for Tree Genetic Resources and Forest Protection, Baoding, Hebei 071000, China.
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Liu Q, Wang L, He L, Lu Y, Wang L, Fu S, Luo X, Zhang Y. Metabolome and Transcriptome Reveal Chlorophyll, Carotenoid, and Anthocyanin Jointly Regulate the Color Formation of Triadica sebifera. PHYSIOLOGIA PLANTARUM 2024; 176:e14248. [PMID: 38488424 DOI: 10.1111/ppl.14248] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Accepted: 02/16/2024] [Indexed: 03/19/2024]
Abstract
The Chinese tallow tree (Triadica sebifera) is an economically important plant on account of its ornamental value and oil-producing seeds. Leaf colour is a key characteristic of T. sebifera, with yellow-, red- and purple-leaved varieties providing visually impressive displays during autumn. In this study, we performed metabolomic and transcriptomic analyses to gain a better understanding of the mechanisms underlying leaf colour development in purple-leaved T. sebifera at three stages during the autumnal colour transition, namely, green, hemi-purple, and purple leaves. We accordingly detected 370 flavonoid metabolites and 10 anthocyanins, among the latter of which, cyanidin-3-xyloside and peonidin-3-O-glucoside were identified as the predominant compounds in hemi-purple and purple leaves. Transcriptomic analysis revealed that structural genes associated with the anthocyanin biosynthetic pathway, chlorophyll synthesis pathway and carotenoid synthesis pathway were significantly differential expressed at the three assessed colour stages. Additionally, transcription factors associated with the MYB-bHLH-WD40 complex, including 22 R2R3-MYBs, 79 bHLHs and 44 WD40 genes, were identified as candidate regulators of the anthocyanin biosynthetic pathway. Moreover, on the basis of the identified differentially accumulated anthocyanins and key genes, we generated genetic and metabolic regulatory networks for anthocyanin biosynthesis in T. sebifera. These findings provide comprehensive information on the leaf transcriptome and three pigments of T. sebifera, thereby shedding new light on the mechanisms underlying the autumnal colouring of the leaves of this tree.
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Affiliation(s)
- Qing Liu
- Anhui Province Key Laboratory of Forest Resources and Silviculture, School of Forestry and Landscape Architecture, AnHui Agricultural University, People's Republic of China
| | - Leijia Wang
- Anhui Province Key Laboratory of Forest Resources and Silviculture, School of Forestry and Landscape Architecture, AnHui Agricultural University, People's Republic of China
| | - Lina He
- Anhui Province Key Laboratory of Forest Resources and Silviculture, School of Forestry and Landscape Architecture, AnHui Agricultural University, People's Republic of China
| | - Yongkang Lu
- Anhui Province Key Laboratory of Forest Resources and Silviculture, School of Forestry and Landscape Architecture, AnHui Agricultural University, People's Republic of China
| | - Lin Wang
- Anhui Province Key Laboratory of Forest Resources and Silviculture, School of Forestry and Landscape Architecture, AnHui Agricultural University, People's Republic of China
| | - Songling Fu
- Anhui Province Key Laboratory of Forest Resources and Silviculture, School of Forestry and Landscape Architecture, AnHui Agricultural University, People's Republic of China
| | - Xumei Luo
- Anhui Academy of Forestry, People's Republic of China
| | - Yanping Zhang
- Anhui Province Key Laboratory of Forest Resources and Silviculture, School of Forestry and Landscape Architecture, AnHui Agricultural University, People's Republic of China
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Li A, Wang F, Ding T, Li K, Liu H, Zhang Q, Mu Q, Zhao H, Shan S, Wang P. Genome-wide DNA methylation dynamics and RNA-seq analysis during grape (cv. 'Cabernet Franc') skin coloration. Genomics 2024; 116:110810. [PMID: 38402913 DOI: 10.1016/j.ygeno.2024.110810] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Revised: 02/18/2024] [Accepted: 02/19/2024] [Indexed: 02/27/2024]
Abstract
This study generated whole genome DNA methylation maps to characterize DNA methylomes of grape (cv. 'Cabernet Franc') skins and examine their functional significance during grape skin coloration. We sampled grape skin tissues at three key stages (the early stage of grape berry swelling, the late stage of grape berry swelling and the veraison) during which the color of grape berries changed from green to red. DNA methylation levels of grape skins at the three stages were higher in transposable element regions than in the genic regions, and the CG and CHG DNA methylation levels of the genic region were higher than the CHH DNA methylation levels. We identified differentially methylated regions (DMRs) in S2_vs_S1 and S3_vs_S1. The results indicated that DMRs predominantly occurred within the CHH context during grape skin coloration. Many gene ontology (GO)-enriched DMR-related genes were involved in "nucleotide binding," "catalytic activity" and "ribonucleotide binding" terms; however, many KEGG-enriched DMR-related genes were involved in the "flavonoid biosynthesis" pathway. Our results could provide an important foundation for future research on the development mechanism of grape berries.
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Affiliation(s)
- Ao Li
- Shandong Academy of Grape, Jinan 250100, China
| | | | | | - Ke Li
- Shandong Academy of Grape, Jinan 250100, China
| | - Huiping Liu
- Shandong Academy of Grape, Jinan 250100, China
| | | | - Qian Mu
- Shandong Academy of Grape, Jinan 250100, China
| | | | - Shouming Shan
- College of Enology and Horticulture, Ningxia University, Ningxia 750021, China.
| | - Pengfei Wang
- Shandong Academy of Grape, Jinan 250100, China; Key Laboratory of East China Urban Agriculture, Ministry of Agriculture and Rural Affairs, Jinan 250100, China.
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8
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Guo Y, Kang X, Huang Y, Guo Z, Wang Y, Ma S, Li H, Chao N, Liu L. Functional characterization of MaEXPA11 and its roles in response to biotic and abiotic stresses in mulberry. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2024; 206:108289. [PMID: 38154294 DOI: 10.1016/j.plaphy.2023.108289] [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: 11/08/2023] [Revised: 12/06/2023] [Accepted: 12/15/2023] [Indexed: 12/30/2023]
Abstract
Mulberry is a traditional economic tree with various values in sericulture, ecology, food industry and medicine. Expansins (EXPs) are known as cell wall expansion related proteins and have been characterized to involve in plant development and responses to diverse stresses. In present study, twenty EXP and expansin-like (EXL) genes were identified in mulberry. RNA-seq results indicated that three EXP and EXL genes showed up-regulated expression level under sclerotiniose pathogen infection in three independent RNA-seq datasets. The most significant upregulated EXPA11 was selected as key EXP involving in response to sclerotiniose pathogen infection in mulberry. Furthermore, a comprehensive functional analysis was performed to reveal subcellular location, tissue expression profile of MaEXPA11 in mulberry. Down-regulation of MaEXPA11 using virus induced gene silence (VIGS) was performed to explore the function of MaEXPA11 in Morus alba. Results showed that MaEXPA11 can positively regulate mulberry resistance to Ciboria shiraiana infection and negatively regulate mulberry resistance to cold or drought stress.
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Affiliation(s)
- Yangyang Guo
- Jiangsu Key Laboratory of Sericultural Biology and Biotechnology, School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212100, China
| | - Xiaoru Kang
- Jiangsu Key Laboratory of Sericultural Biology and Biotechnology, School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212100, China
| | - Yajiang Huang
- Jiangsu Key Laboratory of Sericultural Biology and Biotechnology, School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212100, China
| | - Zixuan Guo
- Jiangsu Key Laboratory of Sericultural Biology and Biotechnology, School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212100, China
| | - Yuqiong Wang
- Jiangsu Key Laboratory of Sericultural Biology and Biotechnology, School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212100, China
| | - Shuwen Ma
- Jiangsu Key Laboratory of Sericultural Biology and Biotechnology, School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212100, China
| | - Hua Li
- Jiangsu Key Laboratory of Sericultural Biology and Biotechnology, School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212100, China
| | - Nan Chao
- Jiangsu Key Laboratory of Sericultural Biology and Biotechnology, School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212100, China; Key Laboratory of Silkworm and Mulberry Genetic Improvement, Ministry of Agriculture and Rural Affairs, Sericultural Research Institute, Chinese Academy of Agricultural Sciences, Zhenjiang, Jiangsu 212100, China.
| | - Li Liu
- Jiangsu Key Laboratory of Sericultural Biology and Biotechnology, School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212100, China; Key Laboratory of Silkworm and Mulberry Genetic Improvement, Ministry of Agriculture and Rural Affairs, Sericultural Research Institute, Chinese Academy of Agricultural Sciences, Zhenjiang, Jiangsu 212100, China.
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9
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Zhang Y, Feng Y, Yang S, Qiao H, Wu A, Yang J, Ma Z. Identification of Flavanone 3-Hydroxylase Gene Family in Strawberry and Expression Analysis of Fruit at Different Coloring Stages. Int J Mol Sci 2023; 24:16807. [PMID: 38069129 PMCID: PMC10706444 DOI: 10.3390/ijms242316807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2023] [Revised: 11/19/2023] [Accepted: 11/21/2023] [Indexed: 12/18/2023] Open
Abstract
The color of strawberry fruit is an important appearance quality index that affects the marketability of fruit, and the content and type of anthocyanin are two of the main reasons for the formation of fruit color. At present, the research on anthocyanin synthesis mainly focuses on the phenylpropane metabolic pathway, and the F3H gene family is an important member of this metabolic pathway. Therefore, in order to clarify the role of flavanone 3-hydroxylase (F3H) in regulating anthocyanin accumulation in strawberry, we identified F3H gene family members in strawberry and analyzed their bioinformatics and expression at different fruit color stages. The results showed that the strawberry F3H family contains 126 members, which are distributed on seven chromosomes and can be divided into six subgroups. The promoter region of strawberry F3H gene family contains light response elements, abiotic stress response elements and hormone response elements. Intraspecic collinearity analysis showed that there were six pairs of collinearity of the F3H gene. Interspecific collinearity analysis showed that there were more collinearity relationships between strawberry and apple, grape and Arabidopsis, but less collinearity between strawberry and rice. Via tissue-specific expression analysis, we found that the expression levels of FvF3H48, FvF3H120 and FvF3H74 were higher in the stages of germination, growth, flowering and fruit setting. The expression levels of FvF3H42 and FvF3H16 were higher in seeds. The expression levels of FvF3H16 and FvF3H11 were higher in the ovary wall of stage 1, stage 2, stage 3 and stage 5. FvF3H15 and FvF3H48 were highly expressed in the pericardium, anther, receptacle and anther. Real-time fluorescence quantitative PCR showed the expression changes in F3H in the fruit coloring process. The results indicate that the expression levels of most members were higher during the S3 stage, such as FvF3H7, FvF3H16, FvF3H32, FvF3H82, FvF3H89, FvF3H92 and FvF3H112. FvF3H63 and FvF3H104 exhibited particularly high expression levels during the S1 stage, with some genes also showing elevated expression during the S4 stage, including FvF3H13, FvF3H27, FvF3H66 and FvF3H103. FvF3H58, FvF3H69, FvF3H79 and FvF3H80 showed higher expression levels during the S2 stage. These findings lay the groundwork for elucidating the biological functions of the strawberry F3H gene family and the selection of related genes.
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Affiliation(s)
| | | | | | | | | | | | - Zonghuan Ma
- College of Horticulture, Gansu Agricultural University, Lanzhou 730070, China (Y.F.)
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10
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Guo Y, Li D, Liu T, Li Y, Liu J, He M, Cui X, Liu Z, Chen M. Genome-Wide Identification of PAP1 Direct Targets in Regulating Seed Anthocyanin Biosynthesis in Arabidopsis. Int J Mol Sci 2023; 24:16049. [PMID: 38003239 PMCID: PMC10671800 DOI: 10.3390/ijms242216049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Revised: 10/31/2023] [Accepted: 11/02/2023] [Indexed: 11/26/2023] Open
Abstract
Anthocyanins are widespread water-soluble pigments in the plant kingdom. Anthocyanin accumulation is activated by the MYB-bHLH-WD40 (MBW) protein complex. In Arabidopsis, the R2R3-MYB transcription factor PAP1 activates anthocyanin biosynthesis. While prior research primarily focused on seedlings, seeds received limited attention. This study explores PAP1's genome-wide target genes in anthocyanin biosynthesis in seeds. Our findings confirm that PAP1 is a positive regulator of anthocyanin biosynthesis in Arabidopsis seeds. PAP1 significantly increased anthocyanin content in developing and mature seeds in Arabidopsis. Transcriptome analysis at 12 days after pollination reveals the upregulation of numerous genes involved in anthocyanin accumulation in 35S:PAP1 developing seeds. Chromatin immunoprecipitation and dual luciferase reporter assays demonstrate PAP1's direct promotion of ten key genes and indirect upregulation of TT8, TTG1, and eight key genes during seed maturation, thus enhancing seed anthocyanin accumulation. These findings enhance our understanding of PAP1's novel role in regulating anthocyanin accumulation in Arabidopsis seeds.
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Affiliation(s)
- Yuan Guo
- Shaanxi Key Laboratory of Crop Heterosis, National Yangling Agricultural Biotechnology and Breeding Center, College of Agronomy, Northwest A&F University, Yangling 712100, China; (Y.G.); (T.L.); (Y.L.); (J.L.); (M.H.); (X.C.); (Z.L.)
| | - Dong Li
- The Engineering Research Institute of Agriculture and Forestry, Ludong University, Yantai 264025, China;
| | - Tiantian Liu
- Shaanxi Key Laboratory of Crop Heterosis, National Yangling Agricultural Biotechnology and Breeding Center, College of Agronomy, Northwest A&F University, Yangling 712100, China; (Y.G.); (T.L.); (Y.L.); (J.L.); (M.H.); (X.C.); (Z.L.)
| | - Yuxin Li
- Shaanxi Key Laboratory of Crop Heterosis, National Yangling Agricultural Biotechnology and Breeding Center, College of Agronomy, Northwest A&F University, Yangling 712100, China; (Y.G.); (T.L.); (Y.L.); (J.L.); (M.H.); (X.C.); (Z.L.)
| | - Jiajia Liu
- Shaanxi Key Laboratory of Crop Heterosis, National Yangling Agricultural Biotechnology and Breeding Center, College of Agronomy, Northwest A&F University, Yangling 712100, China; (Y.G.); (T.L.); (Y.L.); (J.L.); (M.H.); (X.C.); (Z.L.)
| | - Mingyuan He
- Shaanxi Key Laboratory of Crop Heterosis, National Yangling Agricultural Biotechnology and Breeding Center, College of Agronomy, Northwest A&F University, Yangling 712100, China; (Y.G.); (T.L.); (Y.L.); (J.L.); (M.H.); (X.C.); (Z.L.)
| | - Xiaohui Cui
- Shaanxi Key Laboratory of Crop Heterosis, National Yangling Agricultural Biotechnology and Breeding Center, College of Agronomy, Northwest A&F University, Yangling 712100, China; (Y.G.); (T.L.); (Y.L.); (J.L.); (M.H.); (X.C.); (Z.L.)
| | - Zijin Liu
- Shaanxi Key Laboratory of Crop Heterosis, National Yangling Agricultural Biotechnology and Breeding Center, College of Agronomy, Northwest A&F University, Yangling 712100, China; (Y.G.); (T.L.); (Y.L.); (J.L.); (M.H.); (X.C.); (Z.L.)
| | - Mingxun Chen
- Shaanxi Key Laboratory of Crop Heterosis, National Yangling Agricultural Biotechnology and Breeding Center, College of Agronomy, Northwest A&F University, Yangling 712100, China; (Y.G.); (T.L.); (Y.L.); (J.L.); (M.H.); (X.C.); (Z.L.)
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11
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Urbanek Krajnc A, Senekovič J, Cappellozza S, Mikulic-Petkovsek M. The Darker the Better: Identification of Chemotype Profile in Soroses of Local and Introduced Mulberry Varieties with Respect to the Colour Type. Foods 2023; 12:3985. [PMID: 37959104 PMCID: PMC10650418 DOI: 10.3390/foods12213985] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Revised: 10/26/2023] [Accepted: 10/28/2023] [Indexed: 11/15/2023] Open
Abstract
Mulberries are the "essence of the past", the so-called Proust effect, for the inhabitants of the sericultural regions who enthusiastically remember feeding silkworms with mulberry leaves and picking the different coloured fruits that were their favourite sweets in childhood. To determine the chemistry behind the colour and taste of mulberry soroses, the main metabolites of the local and introduced varieties were studied. The soroses were classified into five different colour types and the size parameters were determined. The main sugars identified were glucose and fructose, while the predominant organic acids were citric and malic acids, which were highest in the darker varieties, and fumaric and tartaric acids, which were highest in the lighter varieties. A total of 42 phenolic compounds were identified. The predominant phenolic acid was chlorogenic acid, followed by other caffeoylquinic acids and coumaroylquinic acids. The predominant anthocyanins were cyanidin-3-glucoside and cyanidin-3-rutinoside. According to PCA analysis, the colour types showed a clear chemotype character. The sweet taste of the yellowish-white soroses was defined by 49% fructose, followed by 45% glucose and 6% organic acids. The sour character of the black genotypes was characterised by a lower sugar and higher (11%) organic acid content. The colour- and species-dependent effect was observed in the proportion of caffeoylquinic acids and quercetin glycosides, which decreased with increasing colour intensity from 60% of the total to 7%, and from 17% to 1%, respectively. An upward trend was observed for flavanols (5% to 29%) and anthocyanins, which accounted for 62% of the total phenolics in black varieties. This article gives an insight into the metabolite composition of mulberry soroses as the sweets of choice between light and sweet and dark and sour.
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Affiliation(s)
- Andreja Urbanek Krajnc
- Faculty of Agriculture and Life Sciences, University of Maribor, Pivola 10, 2311 Hoče, Slovenia; (A.U.K.); (J.S.)
| | - Jan Senekovič
- Faculty of Agriculture and Life Sciences, University of Maribor, Pivola 10, 2311 Hoče, Slovenia; (A.U.K.); (J.S.)
| | - Silvia Cappellozza
- Consiglio per la Ricerca in Agricoltura e l’Analisi dell’Economia Agraria, Centro di Ricerca Agricoltura e Ambiente (CREA-AA), Via Eulero 6a, 35143 Padua, Italy;
| | - Maja Mikulic-Petkovsek
- Biotechnical Faculty, University of Ljubljana, Jamnikarjeva 101, 1000 Ljubljana, Slovenia
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12
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Wang Q, Xu S, Zhong L, Zhao X, Wang L. Effects of Zinc Oxide Nanoparticles on Growth, Development, and Flavonoid Synthesis in Ginkgo biloba. Int J Mol Sci 2023; 24:15775. [PMID: 37958760 PMCID: PMC10649971 DOI: 10.3390/ijms242115775] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Revised: 10/26/2023] [Accepted: 10/27/2023] [Indexed: 11/15/2023] Open
Abstract
Ginkgo biloba is a highly valuable medicinal plant known for its rich secondary metabolites, including flavonoids. Zinc oxide nanoparticles (ZnO-NPs) can be used as nanofertilizers and nano-growth regulators to promote plant growth and development. However, little is known about the effects of ZnO-NPs on flavonoids in G. biloba. In this study, G. biloba was treated with different concentrations of ZnO-NPs (25, 50, 100 mg/L), and it was found that 25 mg/L of ZnO-NPs enhanced G. biloba fresh weight, dry weight, zinc content, and flavonoids, while 50 and 100 mg/L had an inhibitory effect on plant growth. Furthermore, quantitative reverse transcription (qRT)-PCR revealed that the increased total flavonoids and flavonols were mainly due to the promotion of the expression of flavonol structural genes such as GbF3H, GbF3'H, and GbFLS. Additionally, when the GbF3H gene was overexpressed in tobacco and G. biloba calli, an increase in total flavonoid content was observed. These findings indicate that 25 mg/L of ZnO-NPs play a crucial role in G. biloba growth and the accumulation of flavonoids, which can potentially promote the yield and quality of G. biloba in production.
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Affiliation(s)
| | | | | | | | - Li Wang
- College of Horticulture and Landscape Architecture, Yangzhou University, Yangzhou 225009, China; (Q.W.); (S.X.); (L.Z.); (X.Z.)
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13
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Lin C, Duan Y, Li R, Wang P, Sun Y, Ding X, Zhang J, Yan H, Zhang W, Peng B, Zhao L, Zhang C. Flavonoid Biosynthesis Pathway May Indirectly Affect Outcrossing Rate of Cytoplasmic Male-Sterile Lines of Soybean. PLANTS (BASEL, SWITZERLAND) 2023; 12:3461. [PMID: 37836201 PMCID: PMC10575370 DOI: 10.3390/plants12193461] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/10/2023] [Revised: 09/26/2023] [Accepted: 09/29/2023] [Indexed: 10/15/2023]
Abstract
(1) Background: Cytoplasmic male sterility (CMS) is important for exploiting heterosis. Soybean (Glycine max L.) has a low outcrossing rate that is detrimental for breeding sterile lines and producing hybrid seeds. Therefore, the molecular mechanism controlling the outcrossing rate should be elucidated to increase the outcrossing rate of soybean CMS lines; (2) Methods: The male-sterile soybean lines JLCMS313A (with a high outcrossing rate; HL) and JLCMS226A (with a low outcrossing rate; LL) were used for a combined analysis of the transcriptome (RNA-seq) and the targeted phenol metabolome; (3) Results: The comparison between HL and LL detected 5946 differentially expressed genes (DEGs) and 81 phenolic metabolites. The analysis of the DEGs and differentially abundant phenolic metabolites identified only one common KEGG pathway related to flavonoid biosynthesis. The qRT-PCR expression for eight DEGs was almost consistent with the transcriptome data. The comparison of the cloned coding sequence (CDS) regions of the SUS, FLS, UGT, and F3H genes between HL and LL revealed seven single nucleotide polymorphisms (SNPs) only in the F3H CDS. Moreover, five significant differentially abundant phenolic metabolites between HL and LL were associated with flavonoid metabolic pathways. Finally, on the basis of the SNPs in the F3H CDS, one derived cleaved amplified polymorphic sequence (dCAPS) marker was developed to distinguish between HL and LL soybean lines; (4) Conclusions: The flavonoid biosynthesis pathway may indirectly affect the outcrossing rate of CMS sterile lines in soybean.
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Affiliation(s)
- Chunjing Lin
- Soybean Research Institute, Jilin Academy of Agricultural Sciences, Changchun 130033, China; (C.L.); (Y.D.); (R.L.); (P.W.); (Y.S.); (X.D.); (J.Z.); (H.Y.); (W.Z.)
- Key Laboratory of Hybrid Soybean Breeding of the Ministry of Agriculture and Rural Affairs, Changchun 130033, China
| | - Yuetong Duan
- Soybean Research Institute, Jilin Academy of Agricultural Sciences, Changchun 130033, China; (C.L.); (Y.D.); (R.L.); (P.W.); (Y.S.); (X.D.); (J.Z.); (H.Y.); (W.Z.)
- Key Laboratory of Hybrid Soybean Breeding of the Ministry of Agriculture and Rural Affairs, Changchun 130033, China
| | - Rong Li
- Soybean Research Institute, Jilin Academy of Agricultural Sciences, Changchun 130033, China; (C.L.); (Y.D.); (R.L.); (P.W.); (Y.S.); (X.D.); (J.Z.); (H.Y.); (W.Z.)
| | - Pengnian Wang
- Soybean Research Institute, Jilin Academy of Agricultural Sciences, Changchun 130033, China; (C.L.); (Y.D.); (R.L.); (P.W.); (Y.S.); (X.D.); (J.Z.); (H.Y.); (W.Z.)
- Key Laboratory of Hybrid Soybean Breeding of the Ministry of Agriculture and Rural Affairs, Changchun 130033, China
| | - Yanyan Sun
- Soybean Research Institute, Jilin Academy of Agricultural Sciences, Changchun 130033, China; (C.L.); (Y.D.); (R.L.); (P.W.); (Y.S.); (X.D.); (J.Z.); (H.Y.); (W.Z.)
- Key Laboratory of Hybrid Soybean Breeding of the Ministry of Agriculture and Rural Affairs, Changchun 130033, China
| | - Xiaoyang Ding
- Soybean Research Institute, Jilin Academy of Agricultural Sciences, Changchun 130033, China; (C.L.); (Y.D.); (R.L.); (P.W.); (Y.S.); (X.D.); (J.Z.); (H.Y.); (W.Z.)
- Key Laboratory of Hybrid Soybean Breeding of the Ministry of Agriculture and Rural Affairs, Changchun 130033, China
| | - Jingyong Zhang
- Soybean Research Institute, Jilin Academy of Agricultural Sciences, Changchun 130033, China; (C.L.); (Y.D.); (R.L.); (P.W.); (Y.S.); (X.D.); (J.Z.); (H.Y.); (W.Z.)
- Key Laboratory of Hybrid Soybean Breeding of the Ministry of Agriculture and Rural Affairs, Changchun 130033, China
| | - Hao Yan
- Soybean Research Institute, Jilin Academy of Agricultural Sciences, Changchun 130033, China; (C.L.); (Y.D.); (R.L.); (P.W.); (Y.S.); (X.D.); (J.Z.); (H.Y.); (W.Z.)
- Key Laboratory of Hybrid Soybean Breeding of the Ministry of Agriculture and Rural Affairs, Changchun 130033, China
| | - Wei Zhang
- Soybean Research Institute, Jilin Academy of Agricultural Sciences, Changchun 130033, China; (C.L.); (Y.D.); (R.L.); (P.W.); (Y.S.); (X.D.); (J.Z.); (H.Y.); (W.Z.)
- Key Laboratory of Hybrid Soybean Breeding of the Ministry of Agriculture and Rural Affairs, Changchun 130033, China
| | - Bao Peng
- Soybean Research Institute, Jilin Academy of Agricultural Sciences, Changchun 130033, China; (C.L.); (Y.D.); (R.L.); (P.W.); (Y.S.); (X.D.); (J.Z.); (H.Y.); (W.Z.)
- Key Laboratory of Hybrid Soybean Breeding of the Ministry of Agriculture and Rural Affairs, Changchun 130033, China
| | - Limei Zhao
- Soybean Research Institute, Jilin Academy of Agricultural Sciences, Changchun 130033, China; (C.L.); (Y.D.); (R.L.); (P.W.); (Y.S.); (X.D.); (J.Z.); (H.Y.); (W.Z.)
- Key Laboratory of Hybrid Soybean Breeding of the Ministry of Agriculture and Rural Affairs, Changchun 130033, China
| | - Chunbao Zhang
- Soybean Research Institute, Jilin Academy of Agricultural Sciences, Changchun 130033, China; (C.L.); (Y.D.); (R.L.); (P.W.); (Y.S.); (X.D.); (J.Z.); (H.Y.); (W.Z.)
- Key Laboratory of Hybrid Soybean Breeding of the Ministry of Agriculture and Rural Affairs, Changchun 130033, China
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14
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Rashad YM, El-Sharkawy HH, Abdalla SA, Ibrahim OM, Elazab NT. Mycorrhizal colonization and Streptomyces viridosporus HH1 synergistically up-regulate the polyphenol biosynthesis genes in wheat against stripe rust. BMC PLANT BIOLOGY 2023; 23:388. [PMID: 37563704 PMCID: PMC10413498 DOI: 10.1186/s12870-023-04395-5] [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: 03/25/2023] [Accepted: 08/02/2023] [Indexed: 08/12/2023]
Abstract
BACKGROUND Stripe rust is considered one of the most devastating diseases of wheat all over the world, resulting in a high loss in its production. In this study, time-course changes in expression of the polyphenol biosynthesis pathways genes in wheat against stripe rust were investigated. The defense mechanisms triggered by mycorrhizal colonization and/or spraying with Streptomyces viridosporus HH1 against this disease were also investigated. RESULTS Results obtained revealed that C3H, which is considered the key gene in lignin biosynthesis, was the most expressed gene. Furthermore, most of the chlorogenic acid and flavonoid biosynthesis genes were also overexpressed. Volcano plots of the studied genes reveal that the dual treatment led to a high significant overexpression of 10 out of the 13 studied genes. Heatmap of these genes showed that the most frequent expressed gene in response to all applied treatments along the study period was DFR, the key gene in the biosynthesis of anthocyanidins. Gene co-expression network of the studied genes showed that HQT was the most central gene with respect to the other genes, followed by AN2 and DFR, respectively. Accumulation of different flavonoids and phenolic acids were detected in response to the dual treatment, in particular, cinnamic acid, coumarin, and esculetin, which recorded the highest elevation level recording 1000, 488.23, and 329.5% respectively. Furthermore, results from the greenhouse experiment showed that application of the dual treatment led to an 82.8% reduction in the disease severity, compared with the control treatment. CONCLUSIONS We can conclude that the biosynthesis of lignin, chlorogenic acid, and flavonoids contributed to the synergistic triggering effect of the dual treatment on wheat resistance to stripe rust.
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Affiliation(s)
- Younes M Rashad
- Plant Protection and Biomolecular Diagnosis Department, Arid Lands Cultivation Research Institute (ALCRI), City of Scientific Research and Technological Applications (SRTA-City), New Borg El-Arab City, Egypt.
| | - Hany H El-Sharkawy
- Department of Mycology Research and Plant Diseases Survey, Plant Pathology Research Institute, Agricultural Research Center, Giza, Egypt
| | - Sara A Abdalla
- Plant Protection and Biomolecular Diagnosis Department, Arid Lands Cultivation Research Institute (ALCRI), City of Scientific Research and Technological Applications (SRTA-City), New Borg El-Arab City, Egypt
| | - Omar M Ibrahim
- Department of Plant Production, Arid Lands Cultivation Research Institute, City of Scientific Research and Technological Applications, Alexandria, Egypt
| | - Nahla T Elazab
- Botany Department, Faculty of Science, Mansoura University, Mansoura, Egypt
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15
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Xiao P, Zhang H, Liao Q, Zhu N, Chen J, Ma L, Zhang M, Shen S. Insight into the Molecular Mechanism of Flower Color Regulation in Rhododendron latoucheae Franch: A Multi-Omics Approach. PLANTS (BASEL, SWITZERLAND) 2023; 12:2897. [PMID: 37631109 PMCID: PMC10458524 DOI: 10.3390/plants12162897] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 08/02/2023] [Accepted: 08/03/2023] [Indexed: 08/27/2023]
Abstract
Rhododendron latoucheae Franch. (R. latoucheae) is a valuable woody plant known for its high ornamental value. While purple flowers are a distinct and attractive variant phenotype of R. latoucheae, the underlying mechanism regulating its flower color is still poorly understood. To investigate the molecular regulatory mechanism responsible for the variation in flower color, we selected plants with white-pink and purple petals as the object and conducted analyses of metabolites, key genes, and transcription factors associated with flower color. A combined metabolome-transcriptome analysis was performed, and the expression of key genes was subsequently verified through qRT-PCR experiments. The results of our study demonstrated a significant enrichment of differential metabolites in the flavonoid metabolic pathway. Changes in anthocyanin content followed the same trend as the observed flower color variations, specifically showing significant correlations with the contents of malvidin-3-O-glucoside, dihydromyricetin, gallocatechin, and peonidin-3-O-glucoside. Furthermore, we identified three key structural genes (F3GT1, LAR, ANR) and four transcription factors (bHLH130, bHLH41, bHLH123, MYB4) that are potentially associated with the biosynthesis of flavonoid compounds, thereby influencing the appearance of purple flower color in R. latoucheae.
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Affiliation(s)
- Peng Xiao
- College of Landscape Architecture, Central South University of Forestry and Technology, Changsha 410004, China
- Hunan Provincial Big Data Engineering Technology Research Center of Natural Reserve and Landscape Resource, Changsha 410004, China
- Institute of Human Settlements and Green Infrastructure, Central South University of Forestry and Technology, Changsha 410083, China
| | - Hui Zhang
- College of Landscape Architecture, Central South University of Forestry and Technology, Changsha 410004, China
- Hunan Provincial Big Data Engineering Technology Research Center of Natural Reserve and Landscape Resource, Changsha 410004, China
- Institute of Human Settlements and Green Infrastructure, Central South University of Forestry and Technology, Changsha 410083, China
| | - Qiulin Liao
- College of Landscape Architecture, Central South University of Forestry and Technology, Changsha 410004, China
- Hunan Provincial Big Data Engineering Technology Research Center of Natural Reserve and Landscape Resource, Changsha 410004, China
- Institute of Human Settlements and Green Infrastructure, Central South University of Forestry and Technology, Changsha 410083, China
| | - Ninghua Zhu
- College of Forestry, Central South University of Forestry and Technology, Changsha 410004, China
| | - Jiaao Chen
- College of Landscape Architecture, Central South University of Forestry and Technology, Changsha 410004, China
- Hunan Provincial Big Data Engineering Technology Research Center of Natural Reserve and Landscape Resource, Changsha 410004, China
- Institute of Human Settlements and Green Infrastructure, Central South University of Forestry and Technology, Changsha 410083, China
| | - Lehan Ma
- College of Landscape Architecture, Central South University of Forestry and Technology, Changsha 410004, China
- Hunan Provincial Big Data Engineering Technology Research Center of Natural Reserve and Landscape Resource, Changsha 410004, China
- Institute of Human Settlements and Green Infrastructure, Central South University of Forestry and Technology, Changsha 410083, China
| | - Minhuan Zhang
- College of Landscape Architecture, Central South University of Forestry and Technology, Changsha 410004, China
- Hunan Provincial Big Data Engineering Technology Research Center of Natural Reserve and Landscape Resource, Changsha 410004, China
- Institute of Human Settlements and Green Infrastructure, Central South University of Forestry and Technology, Changsha 410083, China
| | - Shouyun Shen
- College of Landscape Architecture, Central South University of Forestry and Technology, Changsha 410004, China
- Hunan Provincial Big Data Engineering Technology Research Center of Natural Reserve and Landscape Resource, Changsha 410004, China
- Institute of Human Settlements and Green Infrastructure, Central South University of Forestry and Technology, Changsha 410083, China
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16
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Qiao F, Lu Y, Geng G, Zhou L, Chen Z, Wang L, Xie H, Qiu QS. Flavonoid synthesis in Lamiophlomis rotata from Qinghai-Tibet Plateau is influenced by soil properties, microbial community, and gene expression. JOURNAL OF PLANT PHYSIOLOGY 2023; 287:154043. [PMID: 37392527 DOI: 10.1016/j.jplph.2023.154043] [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: 05/02/2023] [Revised: 06/16/2023] [Accepted: 06/17/2023] [Indexed: 07/03/2023]
Abstract
Lamiophlomis rotata is a medicinal plant in Qinghai-Tibet Plateau, in which flavonoid compounds are the major medicinal components. However, it remains unclear how flavonoid metabolism of L. rotata is influenced by soil properties and microbial community. In this study, we collected L. rotata seedlings and rhizosphere soils from five habitats ranging from 3750 to 4270 m of altitude and analyzed the effects of habitat conditions on flavonoid metabolism. The activities of peroxidase, cellulase, and urease were increased with altitude, while those of alkaline phosphatase, alkaline protease, and sucrase were decreased with altitude. Analysis of OTUs showed that the total number of bacterial genera was higher than that of fungal genera. The highest number of fungal genera was 132, and that of bacterial genera was 33 in Batang (BT) town in Yushu County at an altitude of 3880 m, suggesting that the fungal communities may play a critical role in L. rotata rhizosphere soils. Flavonoids in leaves and roots of L. rotata shared a similar pattern, with a trend of increasing levels with altitude. The highest flavonoid content measured, 12.94 mg/g in leaves and 11.43 mg/g in roots, was from Zaduo (ZD) County at an altitude of 4208 m. Soil peroxidases affected quercetin content in leaves of L. rotata, while the fungus Sebacina affected flavonoid content in leaves and roots of L. rotata. The expression of PAL, F3'H, FLS, and FNS genes showed a declining trend in leaves with altitude, while F3H showed an increasing trend in both leaves and roots. Overall, soil physicochemical properties and microbial community affect flavonoid metabolism in L. rotata in Qinghai-Tibet Plateau. The variations in flavonoid content and gene expression as well as their associations with soil factors revealed the complexity of the growth conditions and genetic makeup in L. rotata habitats of Qinghai-Tibet Plateau.
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Affiliation(s)
- Feng Qiao
- School of Life Sciences, Qinghai Normal University, Xining, 810008, China; Academy of Plateau Science and Sustainability, Qinghai Normal University, Xining, 810008, China; Key Laboratory of Tibetan Plateau Medicinal Plant and Animal Resources, Qinghai Normal University, Xining, 810008, China; Qinghai Ecosystem Observation and Research Station in the Southern Qilian Mountains, Haidong, 810500, China
| | - Yueheng Lu
- School of Life Sciences, Qinghai Normal University, Xining, 810008, China
| | - Guigong Geng
- Academy of Agricultural and Forestry Sciences, Qinghai University, Xining, 810016, China; Qinghai Ecosystem Observation and Research Station in the Southern Qilian Mountains, Haidong, 810500, China
| | - Lianyu Zhou
- School of Life Sciences, Qinghai Normal University, Xining, 810008, China; Academy of Plateau Science and Sustainability, Qinghai Normal University, Xining, 810008, China; Key Laboratory of Tibetan Plateau Medicinal Plant and Animal Resources, Qinghai Normal University, Xining, 810008, China; Qinghai Ecosystem Observation and Research Station in the Southern Qilian Mountains, Haidong, 810500, China
| | - Zhenning Chen
- School of Life Sciences, Qinghai Normal University, Xining, 810008, China; Academy of Plateau Science and Sustainability, Qinghai Normal University, Xining, 810008, China; Key Laboratory of Tibetan Plateau Medicinal Plant and Animal Resources, Qinghai Normal University, Xining, 810008, China
| | - Luhao Wang
- School of Life Sciences, Qinghai Normal University, Xining, 810008, China
| | - Huichun Xie
- School of Life Sciences, Qinghai Normal University, Xining, 810008, China; Academy of Plateau Science and Sustainability, Qinghai Normal University, Xining, 810008, China; Key Laboratory of Tibetan Plateau Medicinal Plant and Animal Resources, Qinghai Normal University, Xining, 810008, China; Qinghai Ecosystem Observation and Research Station in the Southern Qilian Mountains, Haidong, 810500, China.
| | - Quan-Sheng Qiu
- School of Life Sciences, Qinghai Normal University, Xining, 810008, China; Academy of Plateau Science and Sustainability, Qinghai Normal University, Xining, 810008, China; MOE Key Laboratory of Cell Activities and Stress Adaptations, School of Life Sciences, Lanzhou University, Lanzhou, Gansu, 730000, China; College of Coastal Agricultural Sciences, Guangdong Ocean University, Zhanjiang, Guangdong, 524088, China; State Key Laboratory of Herbage Improvement and Grassland Agro-ecosystems, Lanzhou University, Lanzhou, Gansu, 730000, China.
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Dong Y, Guo W, Xiao W, Liu J, Jia Z, Zhao X, Jiang Z, Chang E. Effects of Different Donor Ages on the Growth of Cutting Seedlings Propagated from Ancient Platycladus orientalis. PLANTS (BASEL, SWITZERLAND) 2023; 12:plants12091754. [PMID: 37176812 PMCID: PMC10181453 DOI: 10.3390/plants12091754] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Revised: 04/18/2023] [Accepted: 04/23/2023] [Indexed: 05/15/2023]
Abstract
The effects of tree age on the growth of cutting seedlings propagated from ancient trees have been an important issue in plant breeding and cultivation. In order to understand seedling growth and stress resistance stability, phenotypic measurements, physiological assays, and high-throughput transcriptome sequencing were performed on sown seedlings propagated from 5-year-old donors and cutting seedlings propagated from 5-, 300-, and 700-year-old Platycladus orientalis donors. In this study, the growth of cutting seedlings propagated from ancient trees was significantly slower; the soluble sugar and chlorophyll contents gradually decreased with the increase in the age of donors, and the flavonoid and total phenolic contents of sown seedlings were higher than those of cutting seedlings. Enrichment analysis of differential genes showed that plant hormone signal transduction, the plant-pathogen interaction, and the flavone and flavonol biosynthesis pathways were significantly up-regulated with the increasing age of cutting seedlings propagated from 300- and 700-year-old donors. A total of 104,764 differentially expressed genes were calculated using weighted gene co-expression network analysis, and 8 gene modules were obtained. Further, 10 hub genes in the blue module were identified, which revealed that the expression levels of JAZ, FLS, RPM1/RPS3, CML, and RPS2 increased with the increase in tree age. The results demonstrated that the age of the donors seriously affected the growth of P. orientalis cutting seedlings and that cutting propagation can preserve the resistance of ancient trees. The results of this study provide important insights into the effects of age on asexually propagated seedlings, reveal potential molecular mechanisms, and contribute to an improvement in the level of breeding and conservation of ancient germplasm resources of P. orientalis trees.
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Affiliation(s)
- Yao Dong
- Key Laboratory of Forest Ecology and Environment of National Forestry and Grassland Administration, Ecology and Nature Conservation Institute, Chinese Academy of Forestry, Beijing 100091, China
| | - Wei Guo
- Taishan Academy of Forestry Sciences, Taian 271000, China
| | - Wenfa Xiao
- Key Laboratory of Forest Ecology and Environment of National Forestry and Grassland Administration, Ecology and Nature Conservation Institute, Chinese Academy of Forestry, Beijing 100091, China
| | - Jianfeng Liu
- State Key Laboratory of Tree Genetics and Breeding, Key Laboratory Tree Breeding and Cultivation of the National Forestry and Grassland Administration, Research Institute of Forestry, Chinese Academy of Forestry, Beijing 100091, China
| | - Zirui Jia
- State Key Laboratory of Tree Genetics and Breeding, Key Laboratory Tree Breeding and Cultivation of the National Forestry and Grassland Administration, Research Institute of Forestry, Chinese Academy of Forestry, Beijing 100091, China
| | - Xiulian Zhao
- State Key Laboratory of Tree Genetics and Breeding, Key Laboratory Tree Breeding and Cultivation of the National Forestry and Grassland Administration, Research Institute of Forestry, Chinese Academy of Forestry, Beijing 100091, China
| | - Zeping Jiang
- Key Laboratory of Forest Ecology and Environment of National Forestry and Grassland Administration, Ecology and Nature Conservation Institute, Chinese Academy of Forestry, Beijing 100091, China
| | - Ermei Chang
- State Key Laboratory of Tree Genetics and Breeding, Key Laboratory Tree Breeding and Cultivation of the National Forestry and Grassland Administration, Research Institute of Forestry, Chinese Academy of Forestry, Beijing 100091, China
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18
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Luo Y, Deng M, Zhang X, Zhang D, Cai W, Long Y, Xiong X, Li Y. Integrative Transcriptomic and Metabolomic Analysis Reveals the Molecular Mechanism of Red Maple ( Acer rubrum L.) Leaf Coloring. Metabolites 2023; 13:metabo13040464. [PMID: 37110123 PMCID: PMC10143518 DOI: 10.3390/metabo13040464] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 03/09/2023] [Accepted: 03/20/2023] [Indexed: 04/29/2023] Open
Abstract
This study employed a combination of ultraviolet spectrophotometry, LC-ESI-MS/MS system, and RNA-sequencing technology; the extracts and isolation of total RNA from the red and yellow leaf strains of red maple (Acer rubrum L.) at different developmental stages were subjected to an intercomparison of the dynamic content of chlorophyll and total anthocyanin, flavonoid metabolite fingerprinting, and gene expression. The metabonomic results indicated that one hundred and ninety-two flavonoids were identified, which could be classified into eight categories in the red maple leaves. Among them, 39% and 19% were flavones and flavonols, respectively. The metabolomic analysis identified 23, 32, 24, 24, 38, and 41 DAMs in the AR1018r vs. AR1031r comparison, the AR1018r vs. AR1119r comparison, the AR1031r vs. AR1119r comparison, the AR1018y vs. AR1031y comparison, the AR1018y vs. AR1119y comparison, and the AR1031y vs. AR1119y comparison, respectively. In total, 6003 and 8888 DEGs were identified in AR1018r vs. AR1031r comparison and in the AR1018y vs. AR1031y comparison, respectively. The GO and KEGG analyses showed that the DEGs were mainly involved in plant hormone signal transduction, flavonoid biosynthesis, and other metabolite metabolic processes. The comprehensive analysis revealed that caffeoyl-CoA 3-O-methyltransferase (Cluster-28704.45358 and Cluster-28704.50421) was up-regulated in the red strain but down-regulated in the yellow strain, while Peonidin 3-O-glucoside chloride and Pelargonidin 3-O-beta-D-glucoside were up-regulated in both the red and yellow strains. By successfully integrating the analyses on the behavior of pigment accumulation, dynamics of flavonoids, and differentially expressed genes with omics tools, the regulation mechanisms underlying leaf coloring in red maple at the transcriptomic and metabolomic levels were demonstrated, and the results provide valuable information for further research on gene function in red maple.
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Affiliation(s)
- Yuanyuan Luo
- College of Horticulture, Hunan Agricultural University, Changsha 410128, China
- College of Oriental Science & Technology, Hunan Agricultural University, Changsha 410128, China
| | - Min Deng
- College of Agronomy, Hunan Agricultural University, Changsha 410128, China
| | - Xia Zhang
- College of Horticulture, Hunan Agricultural University, Changsha 410128, China
- Engineering Research Center for Horticultural Crop Germplasm Creation and New Variety Breeding, Ministry of Education, Changsha 410128, China
- Hunan Mid-Subtropical Quality Plant Breeding and Utilization Engineering Technology Research Center, Changsha 410128, China
| | - Damao Zhang
- College of Horticulture, Hunan Agricultural University, Changsha 410128, China
- Engineering Research Center for Horticultural Crop Germplasm Creation and New Variety Breeding, Ministry of Education, Changsha 410128, China
- Hunan Mid-Subtropical Quality Plant Breeding and Utilization Engineering Technology Research Center, Changsha 410128, China
| | - Wenqi Cai
- College of Horticulture, Hunan Agricultural University, Changsha 410128, China
- Engineering Research Center for Horticultural Crop Germplasm Creation and New Variety Breeding, Ministry of Education, Changsha 410128, China
- Hunan Mid-Subtropical Quality Plant Breeding and Utilization Engineering Technology Research Center, Changsha 410128, China
| | - Yuelin Long
- College of Horticulture, Hunan Agricultural University, Changsha 410128, China
- College of Landscape Architecture and Art Design, Hunan Agricultural University, Changsha 410128, China
| | - Xingyao Xiong
- College of Horticulture, Hunan Agricultural University, Changsha 410128, China
- Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen 518120, China
| | - Yanlin Li
- College of Horticulture, Hunan Agricultural University, Changsha 410128, China
- Engineering Research Center for Horticultural Crop Germplasm Creation and New Variety Breeding, Ministry of Education, Changsha 410128, China
- Hunan Mid-Subtropical Quality Plant Breeding and Utilization Engineering Technology Research Center, Changsha 410128, China
- Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, China
- Kunpeng Institute of Modern Agriculture, Foshan 528200, China
- School of Biological Sciences, Nanyang Technological University, 60 Nanyang Drive, Singapore 637551, Singapore
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19
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Qiao F, Zhang K, Zhou L, Qiu QS, Chen Z, Lu Y, Wang L, Geng G, Xie H. Analysis of flavonoid metabolism during fruit development of Lycium chinense. JOURNAL OF PLANT PHYSIOLOGY 2022; 279:153856. [PMID: 36375401 DOI: 10.1016/j.jplph.2022.153856] [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: 09/24/2022] [Revised: 10/16/2022] [Accepted: 10/23/2022] [Indexed: 06/16/2023]
Abstract
Lycium chinense is an important medicinal plant in the northwest of China. Flavonoids are the major pharmacological components of L. chinense fruits. However, flavonoid metabolism during fruit development of L. chinense remains to be studied. Here, we analyzed the change of flavonoid contents, enzyme activity, and gene expression during fruit development of L. chinense. We found that flavonoids, anthocyanins, and catechins are the most important components of L. chinense fruits. Flavonoid content was increased with fruit development and was high at the late developmental stage. PAL, CHS, and F3H enzymes played a significant role in flavonoid accumulation in fruits. Transcriptomic analysis showed that anthocyanin pathway, flavonol pathway, flavonoid biosynthesis, and phenylpropanoid synthesis pathway were the major pathways involved in flavonoid metabolism in L. chinense. Gene expression analysis indicated that PAL1 and CHS2 genes were critical for flavonoid metabolism in L. chinense fruits. These discoveries help us understand the dynamic changes in flavonoids during fruit development and enhance the use of L. chinense fruits.
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Affiliation(s)
- Feng Qiao
- School of Life Sciences, Qinghai Normal University, Xining, 810008, China; Academy of Plateau Science and Sustainability, Qinghai Normal University, Xining, 810008, China; Key Laboratory of Tibetan Plateau Medicinal Plant and Animal Resources, Qinghai Normal University, Xining, 810008, China
| | - Kaimin Zhang
- School of Life Sciences, Qinghai Normal University, Xining, 810008, China
| | - Lianyu Zhou
- School of Life Sciences, Qinghai Normal University, Xining, 810008, China; Academy of Plateau Science and Sustainability, Qinghai Normal University, Xining, 810008, China; Key Laboratory of Tibetan Plateau Medicinal Plant and Animal Resources, Qinghai Normal University, Xining, 810008, China
| | - Quan-Sheng Qiu
- School of Life Sciences, Qinghai Normal University, Xining, 810008, China; Academy of Plateau Science and Sustainability, Qinghai Normal University, Xining, 810008, China; MOE Key Laboratory of Cell Activities and Stress Adaptations, School of Life Sciences, Lanzhou University, Lanzhou, Gansu, 730000, China; State Key Laboratory of Herbage Improvement and Grassland Agro-ecosystems, Lanzhou University, Lanzhou, Gansu, 730000, China; College of Coastal Agricultural Sciences, Guangdong Ocean University, Zhanjiang, Guangdong, 524088, China
| | - Zhenning Chen
- School of Life Sciences, Qinghai Normal University, Xining, 810008, China; Academy of Plateau Science and Sustainability, Qinghai Normal University, Xining, 810008, China; Key Laboratory of Tibetan Plateau Medicinal Plant and Animal Resources, Qinghai Normal University, Xining, 810008, China
| | - Yueheng Lu
- School of Life Sciences, Qinghai Normal University, Xining, 810008, China
| | - Luhao Wang
- School of Life Sciences, Qinghai Normal University, Xining, 810008, China
| | - Guigong Geng
- Academy of Agricultural and Forestry Sciences, Qinghai University, Xining, 810016, China; Qinghai Ecosystem Observation and Research Station in the Southern Qilian Mountains, Haidong, 810500, China.
| | - Huichun Xie
- School of Life Sciences, Qinghai Normal University, Xining, 810008, China; Academy of Plateau Science and Sustainability, Qinghai Normal University, Xining, 810008, China; Key Laboratory of Tibetan Plateau Medicinal Plant and Animal Resources, Qinghai Normal University, Xining, 810008, China; Qinghai Ecosystem Observation and Research Station in the Southern Qilian Mountains, Haidong, 810500, China.
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