1
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Yan J, Yu X, Li Q, Miao M, Shao Y. Machine learning to establish three sphingolipid metabolism genes signature to characterize the immune landscape and prognosis of patients with gastric cancer. BMC Genomics 2024; 25:319. [PMID: 38549047 PMCID: PMC10976768 DOI: 10.1186/s12864-024-10243-z] [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: 01/30/2024] [Accepted: 03/19/2024] [Indexed: 04/01/2024] Open
Abstract
BACKGROUND Gastric cancer (GC) is one of the most common malignant tumors worldwide. Nevertheless, GC still lacks effective diagnosed and monitoring method and treating targets. This study used multi omics data to explore novel biomarkers and immune therapy targets around sphingolipids metabolism genes (SMGs). METHOD LASSO regression analysis was performed to filter prognostic and differently expression SMGs among TCGA and GTEx data. Risk score model and Kaplan-Meier were built to validate the prognostic SMG signature and prognostic nomogram was further constructed. The biological functions of SMG signature were annotated via multi omics. The heterogeneity landscape of immune microenvironment in GC was explored. qRT-PCR was performed to validate the expression level of SMG signature. Competing endogenous RNA regulatory network was established to explore the molecular regulatory mechanisms. RESULT 3-SMGs prognostic signature (GLA, LAMC1, TRAF2) and related nomogram were constructed combing several clinical characterizes. The expression difference and diagnostic value were validated by PCR data. Multi omics data reveals 3-SMG signature affects cell cycle and death via several signaling pathways to regulate GC progression. Overexpression of 3-SMG signature influenced various immune cell infiltration in GC microenvironment. RBP-SMGs-miRNA-mRNAs/lncRNAs regulatory network was built to annotate regulatory system. CONCLUSION Upregulated 3-SMGs signature are excellent predictive diagnosed and prognostic biomarkers, providing a new perspective for future GC immunotherapy.
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Affiliation(s)
- Jianing Yan
- Department of Gastroenterology, The First Affiliated Hospital of Ningbo University, 315020, Ningbo, China
| | - Xuan Yu
- Department of Gastroenterology, The First Affiliated Hospital of Ningbo University, 315020, Ningbo, China
| | - Qier Li
- Department of Gastroenterology, The First Affiliated Hospital of Ningbo University, 315020, Ningbo, China
| | - Min Miao
- Department of Gastroenterology, The First Affiliated Hospital of Ningbo University, 315020, Ningbo, China.
| | - Yongfu Shao
- Department of Gastroenterology, The First Affiliated Hospital of Ningbo University, 315020, Ningbo, China.
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2
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Mei J, Niu Q, Xu K, Huang Y, Bai S, Zhu J, Li H, Miao M, Tong F, Yu D, Ke L, Sun Y. GhmiR858 Inhibits the Accumulation of Proanthocyanidins by Targeting GhTT2L in Cotton ( Gossypium hirsutum). JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:15341-15351. [PMID: 37787767 DOI: 10.1021/acs.jafc.3c03884] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
Proanthocyanidins (PAs) are predominantly regulated at the transcriptional level by sophisticated regulatory networks. In cotton, the role of miRNAs as key regulatory factors at the post-transcriptional level is still unclear. Here, we demonstrated that GhmiR858 negatively regulates PA accumulation in cotton leaves and calli by targeting GhTT2L. Excessive expression of GhmiR858 restrained the expression of GhTT2L, resulting in a significant decrease in PA abundance. Conversely, a reduction in GhmiR858 activity upregulated GhTT2L, which increased PA accumulation. Additionally, GhTT2L was found to positively regulate PA accumulation in both cotton and Arabidopsis. Further analyses showed that GhTT2L interacted with transcription factor GhTTG1, which directly binds to the GhANR promoter, to facilitate its transcription. This study provides new information to guide future studies of the PA regulatory mechanisms affected by miRNAs as well as the breeding of novel varieties of colored cotton with rich PAs.
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Affiliation(s)
- Jun Mei
- Plant Genomics & Molecular Improvement of Colored Fiber Lab, College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Qingqing Niu
- Plant Genomics & Molecular Improvement of Colored Fiber Lab, College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Kunling Xu
- Plant Genomics & Molecular Improvement of Colored Fiber Lab, College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Yuyi Huang
- Plant Genomics & Molecular Improvement of Colored Fiber Lab, College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Shimei Bai
- Plant Genomics & Molecular Improvement of Colored Fiber Lab, College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Jiayu Zhu
- Plant Genomics & Molecular Improvement of Colored Fiber Lab, College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Hongwei Li
- Plant Genomics & Molecular Improvement of Colored Fiber Lab, College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Meng Miao
- Plant Genomics & Molecular Improvement of Colored Fiber Lab, College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Fudan Tong
- Plant Genomics & Molecular Improvement of Colored Fiber Lab, College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Dongliang Yu
- Plant Genomics & Molecular Improvement of Colored Fiber Lab, College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Liping Ke
- Plant Genomics & Molecular Improvement of Colored Fiber Lab, College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Yuqiang Sun
- Plant Genomics & Molecular Improvement of Colored Fiber Lab, College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou 310018, China
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3
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Wang X, Yang L, Geng X, Shi W, Chen Y, Lu C. Integrative analysis of metabolome and transcriptome reveals the different metabolite biosynthesis profiles related to palatability in winter and spring shoot in moso bamboo. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2023; 202:107973. [PMID: 37598446 DOI: 10.1016/j.plaphy.2023.107973] [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: 07/01/2023] [Revised: 08/04/2023] [Accepted: 08/15/2023] [Indexed: 08/22/2023]
Abstract
Moso bamboo winter shoot has good taste and rich nutritional value. To reveal the causes and regulatory mechanism of palatability deterioration from winter to spring shoot, a conjoint analysis of metabolome and transcriptome was conducted on winter and spring shoots of moso bamboo. Totally 909 metabolites were characterized for the first time. The significant increase of hydrolyzed tannin content intensified the bitterness of spring shoot, which was positively regulated by key metabolite (gallic acid) and genes (DAHPS, DHQS, DHQ, SDH) in the biosynthesis pathway of hydrolyzed tannin. The accumulation of lignified components enhanced the roughness of spring shoot, which was closely connected with the significant changes of important metabolites (cinnamic acid, ferulic acid, UDP-glucose and UDP-xylose) and up-regulation of most enzyme genes involved in the biosynthesis pathways of lignin, cellulose and hemicellulose. The present study provides theoretical support for understanding palatability transition and directional improvement of edible quality of moso bamboo shoots.
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Affiliation(s)
- Xiaojing Wang
- State Key Laboratory of Efficient Production of Forest Resources, National Engineering Research Center of Tree Breeding and Ecological Restoration, College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing, 100083, China; School of Life Science, Peking University, Beijing, 100871, China.
| | - Lilin Yang
- Guizhou Provincial Key Laboratory for Biodiversity Conservation and Utilization in the Fanjing Mountain Region, Tongren University, Guizhou, 554300, China.
| | - Xin Geng
- State Key Laboratory of Efficient Production of Forest Resources, National Engineering Research Center of Tree Breeding and Ecological Restoration, College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing, 100083, China.
| | - Weijia Shi
- State Key Laboratory of Efficient Production of Forest Resources, National Engineering Research Center of Tree Breeding and Ecological Restoration, College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing, 100083, China.
| | - Yuzhen Chen
- State Key Laboratory of Efficient Production of Forest Resources, National Engineering Research Center of Tree Breeding and Ecological Restoration, College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing, 100083, China.
| | - Cunfu Lu
- State Key Laboratory of Efficient Production of Forest Resources, National Engineering Research Center of Tree Breeding and Ecological Restoration, College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing, 100083, China.
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4
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He R, Tang Y, Wang D. Coordinating Diverse Functions of miRNA and lncRNA in Fleshy Fruit. PLANTS (BASEL, SWITZERLAND) 2023; 12:411. [PMID: 36679124 PMCID: PMC9866404 DOI: 10.3390/plants12020411] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/25/2022] [Revised: 01/12/2023] [Accepted: 01/12/2023] [Indexed: 06/17/2023]
Abstract
Non-coding RNAs play vital roles in the diverse biological processes of plants, and they are becoming key topics in horticulture research. In particular, miRNAs and long non-coding RNAs (lncRNAs) are receiving increased attention in fruit crops. Recent studies in horticulture research provide both genetic and molecular evidence that miRNAs and lncRNAs regulate biological function and stress responses during fruit development. Here, we summarize multiple regulatory modules of miRNAs and lncRNAs and their biological roles in fruit sets and stress responses, which would guide the development of molecular breeding techniques on horticultural crops.
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Affiliation(s)
- Reqing He
- Key Laboratory of Molecular Biology and Gene Engineering in Jiangxi Province, College of Life Science, Nanchang University, Nanchang 330031, China
| | - Yajun Tang
- Shandong Laboratory of Advanced Agricultural Sciences, Peking University Institute of Advanced Agricultural Sciences, Weifang 261325, China
| | - Dong Wang
- Key Laboratory of Molecular Biology and Gene Engineering in Jiangxi Province, College of Life Science, Nanchang University, Nanchang 330031, China
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5
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He M, Kong X, Jiang Y, Qu H, Zhu H. MicroRNAs: emerging regulators in horticultural crops. TRENDS IN PLANT SCIENCE 2022; 27:936-951. [PMID: 35466027 DOI: 10.1016/j.tplants.2022.03.011] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2021] [Revised: 02/24/2022] [Accepted: 03/17/2022] [Indexed: 05/24/2023]
Abstract
Horticulture is one of the oldest agricultural practices with great popularity throughout the world. Horticultural crops include fruits, vegetables, ornamental plants, as well as medicinal and beverage plants. They are cultivated for food, specific nutrition, and medical use, or for aesthetic pleasure. MicroRNAs (miRNAs), which constitute a major class of endogenous small RNAs in plants, affect a multitude of developmental and physiological processes by imparting sequence specificity to gene regulation. Over the past decade, tens of thousands of miRNAs have been identified in more than 100 horticultural crops and their critical roles in regulating quality development of diverse horticultural crops have been demonstrated. Here, we review how miRNAs have emerged as important regulators and promising tools for horticultural crop improvement.
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Affiliation(s)
- Meiying He
- Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xiangjin Kong
- Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yueming Jiang
- Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Hongxia Qu
- Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China; University of Chinese Academy of Sciences, Beijing 100049, China.
| | - Hong Zhu
- Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China.
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6
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Jeena GS, Singh N, Shukla RK. An insight into microRNA biogenesis and its regulatory role in plant secondary metabolism. PLANT CELL REPORTS 2022; 41:1651-1671. [PMID: 35579713 DOI: 10.1007/s00299-022-02877-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Accepted: 04/20/2022] [Indexed: 06/15/2023]
Abstract
The present review highlights the regulatory roles of microRNAs in plant secondary metabolism and focuses on different bioengineering strategies to modulate secondary metabolite content in plants. MicroRNAs (miRNAs) are the class of small endogenous, essential, non-coding RNAs that riboregulate the gene expression involved in various biological processes in most eukaryotes. MiRNAs has emerged as important regulators in plants that function by silencing target genes through cleavage or translational inhibition. These miRNAs plays an important role in a wide range of plant biological and metabolic processes, including plant development and various environmental response controls. Several important plant secondary metabolites like alkaloids, terpenoids, and phenolics are well studied for their function in plant defense against different types of pests and herbivores. Due to the presence of a wide range of biological and pharmaceutical properties of plant secondary metabolites, it is important to study the regulation of their biosynthetic pathways. The contribution of miRNAs in regulating plant secondary metabolism is not well explored. Recent advancements in molecular techniques have improved our knowledge in understanding the molecular function of genes, proteins, enzymes, and small RNAs involved in different steps of secondary metabolic pathways. In the present review, we have discussed the recent progress made on miRNA biogenesis, its regulation, and highlighted the current research developed in the field of identification, analysis, and characterizations of various miRNAs that regulate plant secondary metabolism. We have also discussed how different bioengineering strategies such as artificial miRNA (amiRNA), endogenous target mimicry, and CRISPR/Cas9 could be utilized to enhance the secondary metabolite production in plants.
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Affiliation(s)
- Gajendra Singh Jeena
- Biotechnology Division, CSIR-Central Institute of Medicinal and Aromatic Plants (CSIR-CIMAP), P.O. CIMAP, Near Kukrail Picnic Spot, Lucknow, 226015, India
| | - Neeti Singh
- Biotechnology Division, CSIR-Central Institute of Medicinal and Aromatic Plants (CSIR-CIMAP), P.O. CIMAP, Near Kukrail Picnic Spot, Lucknow, 226015, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, Uttar Pradesh, India
| | - Rakesh Kumar Shukla
- Biotechnology Division, CSIR-Central Institute of Medicinal and Aromatic Plants (CSIR-CIMAP), P.O. CIMAP, Near Kukrail Picnic Spot, Lucknow, 226015, India.
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, Uttar Pradesh, India.
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7
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Wu X, Ma Y, Wu J, Wang P, Zhang Z, Xie R, Liu J, Fan B, Wei W, Nie LZ, Liu X. Identification of microRNAs and their target genes related to the accumulation of anthocyanin in purple potato tubers ( Solanum tuberosum). PLANT DIRECT 2022; 6:e418. [PMID: 35865074 PMCID: PMC9289217 DOI: 10.1002/pld3.418] [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: 02/18/2022] [Revised: 05/16/2022] [Accepted: 06/04/2022] [Indexed: 06/15/2023]
Abstract
MicroRNAs (miRNAs) are types of endogenous non-coding small RNAs found in eukaryotes that are 18-25 nucleotides long. miRNAs are considered to be key regulatory factors of the expression of target mRNA. The roles of miRNAs involved in the regulation of anthocyanin accumulation in pigmented potatoes have not been systematically reported. In this study, the differentially expressed miRNAs and their target genes involved in the accumulation of anthocyanin during different developmental stages in purple potato (Solanum tuberosum L.) were identified using small RNA (sRNA) and degradome sequencing. A total of 275 differentially expressed miRNAs were identified in the sRNA libraries. A total of 69,387,200 raw reads were obtained from three degradome libraries. The anthocyanin responsive miRNA-mRNA modules were analyzed, and 37 miRNAs and 23 target genes were obtained. Different miRNAs regulate the key enzymes of anthocyanin synthesis in purple potato. The structural genes included phenylalanine ammonia lyase, chalcone isomerase, flavanone 3-hydroxylase, and anthocyanidin 3-O-glucosyltransferase. The regulatory genes included WD40, MYB, and SPL9. stu-miR172e-5p_L-1R-1, stu-miR828a, stu-miR29b-4-5p, stu-miR8019-5p_L-4R-3, stu-miR396b-5p, stu-miR5303f_L-7R + 2, stu-miR7997a_L-3, stu-miR7997b_L-3, stu-miR7997c_L + 3R-5_2ss2TA3AG, stu-miR156f-5p_L + 1, stu-miR156a, stu-miR156a_R-1, stu-miR156e, stu-miR858, stu-miR5021, stu-miR828 and their target genes were validated by qRT-PCR. They play important roles in the coloration and accumulation of purple potatoes. These results provide new insights into the biosynthesis of anthocyanins in pigmented potatoes.
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Affiliation(s)
- Xiaojuan Wu
- Agricultural CollegeInner Mongolia Agricultural UniversityHohhotChina
| | - Yanhong Ma
- Agricultural CollegeInner Mongolia Agricultural UniversityHohhotChina
| | - Juan Wu
- Agricultural CollegeInner Mongolia Agricultural UniversityHohhotChina
| | - Peijie Wang
- Agricultural CollegeInner Mongolia Agricultural UniversityHohhotChina
| | - Zhicheng Zhang
- Agricultural CollegeInner Mongolia Agricultural UniversityHohhotChina
- Wulanchabu Academy of Agricultural and Forest SciencesWulanchabuChina
| | - Rui Xie
- Inner Mongolia Academy of Agricultural & Animal Husbandry SciencesHohhotChina
| | - Jie Liu
- HuaSong Seed Industry (Beijing) co. LTDBeijingChina
| | - Bobo Fan
- Agricultural CollegeInner Mongolia Agricultural UniversityHohhotChina
| | - Wei Wei
- HuaSong Seed Industry (Beijing) co. LTDBeijingChina
| | - Li Zhen Nie
- Inner Mongolia Academy of Agricultural & Animal Husbandry SciencesHohhotChina
| | - Xuting Liu
- Agricultural CollegeInner Mongolia Agricultural UniversityHohhotChina
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8
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An Efficient Agrobacterium-Mediated Genetic Transformation System for Persimmon (Diospyros kaki Thunb.). HORTICULTURAE 2022. [DOI: 10.3390/horticulturae8050422] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Persimmon (Diospyros kaki Thunb.) is an important fruit crop in East Asia and has great commercial potential due to the high demand for fresh edible fruits or processed dried persimmon, as well as its being a source of raw materials for the chemical industry. Genetic engineering has shown great potential in persimmon fruit improvement and compensated for the limitations of conventional breeding. In this study, we developed an efficient transformation system and in vivo regeneration protocol by using the leaf disc culture of ‘Gongcheng Shuishi’ persimmon through the optimization of different basic media and hormone combinations. Based on the secondary induction system on 1/2DKW (DKW medium) + ZT (2.0 mg/L) + TDZ (0.5 mg/L) and MS (1/2 N) + ZT (2.0 mg/L) + IAA (0.1 mg/L), the callus induction rate and adventitious bud induction rate were 96.0% and 94.0%, respectively, and RNA interference of DkANR (ANR, anthocyanidin reductase) was achieved after transformation, thus resulting in a reduction in proanthocyanidin accumulation. The GFP (green fluorescent protein) fluorescence signal was visualized in the transgenic seedlings with GFP gene cotransformation. A total of 17.9% of the positive regenerated transgenic seedlings with empty vector were confirmed by both hyg gene and 35S promoter PCR analysis. Southern blotting assays showed that 20 positive transgenic persimmon seedlings were obtained from 135 regenerated transformants derived from DkANRi. Altogether, a reliable and highly efficient transformation system was achieved in persimmon, which may contribute to gene function identification and genetic improvement in the future.
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9
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Huang X, Xia R, Liu Y. microRNA mediated regulation in fruit quality. Curr Opin Food Sci 2022. [DOI: 10.1016/j.cofs.2022.100837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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10
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Zaman F, Zhang M, Liu Y, Wang Z, Xu L, Guo D, Luo Z, Zhang Q. DkmiR397 Regulates Proanthocyanidin Biosynthesis via Negative Modulating DkLAC2 in Chinese PCNA Persimmon. Int J Mol Sci 2022; 23:ijms23063200. [PMID: 35328620 PMCID: PMC8951489 DOI: 10.3390/ijms23063200] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Revised: 03/07/2022] [Accepted: 03/09/2022] [Indexed: 01/01/2023] Open
Abstract
Persimmon fruits accumulate a large amount of proanthocyanidins (PAs), which makes an astringent sensation. Proanthocyanidins (PAs) are the polymers of flavan-3-ols stored in plant vacuoles under laccase activation. A laccase gene, DkLAC2, is putatively involved in PAs biosynthesis and regulated by microRNA (DkmiR397) in persimmon. However, the polymerization of PAs in association with miRNA397 still needs to be explored in persimmon. Here, we identified pre-DkmiR397 and its target gene DkLAC2 in ‘Eshi 1’ persimmon. Histochemical staining with GUS and dual luciferase assay both confirmed DkmiR397-DkLAC2 binding after co-transformation in tobacco leaves. Diverse expression patterns of DkLAC2 and DkmiR397 were exhibited during persimmon fruit development stages. Moreover, a contrasting expression pattern was also observed after the combined DkLAC2-miR397 transformation in persimmon leaves, suggesting that DkmiR397 might be a negative regulator of DkLAC2. Similarly, the transient transformation of DkmiR397 in persimmon fruit discs in vitro also reduced PA accumulation by repressing DkLAC2, whereas the up-regulation of DkLAC2 increased the accumulation of PAs by short tandem target mimic STTM-miR397. A similar expression pattern was observed when overexpressing of DkLAC2 in Arabidopsis wild type (WT) and overexpression of DkLAC2, DkmiR397 in persimmon leaf callus. Our results revealed that the role of DkmiR397 repressed the expression of DkLAC2 concerning PA biosynthesis, providing a potential target for the manipulation of PAs metabolism in persimmon.
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Yang K, Han H, Li Y, Ye J, Xu F. Significance of miRNA in enhancement of flavonoid biosynthesis. PLANT BIOLOGY (STUTTGART, GERMANY) 2022; 24:217-226. [PMID: 34806280 DOI: 10.1111/plb.13361] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Accepted: 10/15/2021] [Indexed: 05/20/2023]
Abstract
Flavonoid metabolism shows very strong plasticity in plant development and coping with the changing environment. Flavonoid biosynthesis is regulated by many metabolic pathways, including transcriptional regulation, post-transcriptional control, post-translational regulationand epigenetic regulation. miRNA is a form of endogenous noncoding single-strand small molecule RNA that primarily regulates the expression of target genes horizontally after transcription through splicing and translational suppression. It also plays an important role in regulating plant growth and development, secondary metabolism and biotic and abiotic stress. miRNA can regulate the formation of flavonoids by acting on structural genes or indirectly by using an MBW transcription complex comprising MYB-bHLH-WD40. This study summarizes the biosynthesis and mechanisms of miRNA, and provides a summary of the mechanisms of miRNAs involved in production of flavonoids, in order to elucidate the biosynthesis pathway and complex regulatory network of plant flavonoids. We aim to provide new insights into improving the content of flavonoid active ingredients in plants.
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Affiliation(s)
- K Yang
- College of Horticulture and Gardening, Yangtze University, Jingzhou, Hubei, China
| | - H Han
- College of Horticulture and Gardening, Yangtze University, Jingzhou, Hubei, China
| | - Y Li
- College of Horticulture and Gardening, Yangtze University, Jingzhou, Hubei, China
| | - J Ye
- College of Horticulture and Gardening, Yangtze University, Jingzhou, Hubei, China
| | - F Xu
- College of Horticulture and Gardening, Yangtze University, Jingzhou, Hubei, China
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12
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Gutiérrez-García C, Ahmed SSSJ, Ramalingam S, Selvaraj D, Srivastava A, Paul S, Sharma A. Identification of microRNAs from Medicinal Plant Murraya koenigii by High-Throughput Sequencing and Their Functional Implications in Secondary Metabolite Biosynthesis. PLANTS (BASEL, SWITZERLAND) 2021; 11:plants11010046. [PMID: 35009050 PMCID: PMC8747174 DOI: 10.3390/plants11010046] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Revised: 12/14/2021] [Accepted: 12/18/2021] [Indexed: 05/05/2023]
Abstract
MicroRNAs (miRNAs) are small noncoding RNA molecules that play crucial post-transcriptional regulatory roles in plants, including development and stress-response signaling. However, information about their involvement in secondary metabolism is still limited. Murraya koenigii is a popular medicinal plant, better known as curry leaves, that possesses pharmaceutically active secondary metabolites. The present study utilized high-throughput sequencing technology to investigate the miRNA profile of M. koenigii and their association with secondary metabolite biosynthesis. A total of 343,505 unique reads with lengths ranging from 16 to 40 nt were obtained from the sequencing data, among which 142 miRNAs were identified as conserved and 7 as novel miRNAs. Moreover, 6078 corresponding potential target genes of M. koenigii miRNAs were recognized in this study. Interestingly, several conserved and novel miRNAs of M. koenigii were found to target key enzymes of the terpenoid backbone and the flavonoid biosynthesis pathways. Furthermore, to validate the sequencing results, the relative expression of eight randomly selected miRNAs was determined by qPCR. To the best of our knowledge, this is the first report of the M. koenigii miRNA profile that may provide useful information for further elucidation of the involvement of miRNAs in secondary metabolism. These findings might be crucial in the future to generate artificial-miRNA-based, genetically engineered M. koenigii plants for the overproduction of medicinally highly valuable secondary metabolites.
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Affiliation(s)
- Claudia Gutiérrez-García
- Tecnologico de Monterrey, Centre of Bioengineering, School of Engineering and Sciences, Queretaro CP 76130, Mexico;
| | - Shiek S. S. J. Ahmed
- Omics and Drug Discovery Lab, Faculty of Allied Health Sciences, Chettinad Academy of Research and Education, Kelambakkam 603103, India;
| | - Sathishkumar Ramalingam
- Plant Genetic Engineering Laboratory, Department of Biotechnology, Bharathiar University, Coimbatore 641046, India; (S.R.); (D.S.)
| | - Dhivya Selvaraj
- Plant Genetic Engineering Laboratory, Department of Biotechnology, Bharathiar University, Coimbatore 641046, India; (S.R.); (D.S.)
| | - Aashish Srivastava
- Section of Bioinformatics, Clinical Laboratory, Haukeland University Hospital, 5021 Bergen, Norway;
- Department of Clinical Science, University of Bergen, 5021 Bergen, Norway
| | - Sujay Paul
- Tecnologico de Monterrey, Centre of Bioengineering, School of Engineering and Sciences, Queretaro CP 76130, Mexico;
- Correspondence: (S.P.); (A.S.)
| | - Ashutosh Sharma
- Tecnologico de Monterrey, Centre of Bioengineering, School of Engineering and Sciences, Queretaro CP 76130, Mexico;
- Correspondence: (S.P.); (A.S.)
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Ding Y, Mao Y, Cen Y, Hu L, Su Y, Ma X, Long L, Hu H, Hao C, Luo J. Small RNA sequencing reveals various microRNAs involved in piperine biosynthesis in black pepper (Piper nigrum L.). BMC Genomics 2021; 22:838. [PMID: 34794378 PMCID: PMC8603596 DOI: 10.1186/s12864-021-08154-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2021] [Accepted: 11/03/2021] [Indexed: 11/29/2022] Open
Abstract
Background Black pepper (Piper nigrum L.), an important and long-cultivated spice crop, is native to South India and grown in the tropics. Piperine is the main pungent and bioactive alkaloid in the berries of black pepper, but the molecular mechanism for piperine biosynthesis has not been determined. MicroRNAs (miRNAs), which are classical endogenous noncoding small RNAs, play important roles in regulating secondary metabolism in many species, but less is known regarding black pepper or piperine biosynthesis. Results To dissect the functions of miRNAs in secondary metabolism especially in piperine biosynthesis, 110 known miRNAs, 18 novel miRNAs and 1007 individual targets were identified from different tissues of black pepper by small RNA sequencing. qRT-PCR and 5′-RLM-RACE experiments were conducted to validate the reliability of the sequencing data and predicted targets. We found 3 miRNAs along with their targets including miR166-4CL, miR396-PER and miR397-CCR modules that are involved in piperine biosynthesis. Conclusion MiRNA regulation of secondary metabolism is a common phenomenon in plants. Our study revealed new miRNAs that regulate piperine biosynthesis, which are special alkaloids in the piper genus, and they might be useful for future piperine genetic improvement of black pepper. Supplementary Information The online version contains supplementary material available at 10.1186/s12864-021-08154-4.
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Affiliation(s)
- Yuanhao Ding
- Hainan Key Laboratory for Sustainable Utilization of Tropical Bioresource, School of Tropical Crops, Hainan University, Haikou, 570228, China
| | - Yuyuan Mao
- Hainan Key Laboratory for Sustainable Utilization of Tropical Bioresource, School of Tropical Crops, Hainan University, Haikou, 570228, China
| | - Yi Cen
- Hainan Key Laboratory for Sustainable Utilization of Tropical Bioresource, School of Tropical Crops, Hainan University, Haikou, 570228, China.,Spice and Beverage Research Institute, Chinese Academy of Tropical Agricultural Sciences, Wanning, 571533, Hainan, China
| | - Lisong Hu
- Spice and Beverage Research Institute, Chinese Academy of Tropical Agricultural Sciences, Wanning, 571533, Hainan, China.,Ministry of Agriculture Key Laboratory of Genetic Resources Utilization of Spice and Beverage Crops, Wanning, 571533, Hainan, China
| | - Yuefeng Su
- Hainan Key Laboratory for Sustainable Utilization of Tropical Bioresource, School of Tropical Crops, Hainan University, Haikou, 570228, China.,Spice and Beverage Research Institute, Chinese Academy of Tropical Agricultural Sciences, Wanning, 571533, Hainan, China
| | - Xuemin Ma
- Hainan Key Laboratory for Sustainable Utilization of Tropical Bioresource, School of Tropical Crops, Hainan University, Haikou, 570228, China
| | - Lu Long
- State Key Laboratory of Cotton Biology, Key Laboratory of Plant Stress Biology, School of Life Science, Henan University, Kaifeng, 475004, Henan, China
| | - Haiyan Hu
- Hainan Key Laboratory for Sustainable Utilization of Tropical Bioresource, School of Tropical Crops, Hainan University, Haikou, 570228, China.
| | - Chaoyun Hao
- Spice and Beverage Research Institute, Chinese Academy of Tropical Agricultural Sciences, Wanning, 571533, Hainan, China. .,Ministry of Agriculture Key Laboratory of Genetic Resources Utilization of Spice and Beverage Crops, Wanning, 571533, Hainan, China. .,Hainan Provincial Key Laboratory of Genetic Improvement and Quality Regulation for Tropical Spice and Beverage Crops, Wanning, 571533, Hainan, China.
| | - Jie Luo
- Hainan Key Laboratory for Sustainable Utilization of Tropical Bioresource, School of Tropical Crops, Hainan University, Haikou, 570228, China.
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Yang S, Zhang M, Xu L, Luo Z, Zhang Q. MiR858b Inhibits Proanthocyanidin Accumulation by the Repression of DkMYB19 and DkMYB20 in Persimmon. FRONTIERS IN PLANT SCIENCE 2020; 11:576378. [PMID: 33408726 PMCID: PMC7779590 DOI: 10.3389/fpls.2020.576378] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Accepted: 11/18/2020] [Indexed: 05/29/2023]
Abstract
Persimmon proanthocyanidin (PA) biosynthesis is controlled by structural genes and regulated by transcription factors (TFs). MicroRNAs are a key factor involved in regulating gene expression at the posttranscriptional level whose functions in persimmon PA biosynthesis are poorly understood. Here, we identified a microRNA, miR858b, that putatively targets two R2R3-MYB TFs, DkMYB19 and DkMYB20. DkMYB19, DkMYB20, and miR858b showed divergent expression patterns during fruit development, and the interaction between miR858b and DkMYB19 or DkMYB20 was experimentally validated by 5' RNA ligase-mediated RACE, LUC enzyme activity analysis, and GFP signal detection. The DkMYB19 localized to the nucleus as well as the cytoplasm and DkMYB20 localized to the nucleus. The overexpression of miR858b led to the downregulation of DkMYB19 and DkMYB20, which reduced the content of PA, whereas a reduction in miR858b activity upregulated DkMYB19 and DkMYB20, resulting in a high content of PA in leaves transiently expressing a small tandem target mimic construct for blocking miR858 (STTM858b) in vivo. The transient transformation of miR858b in fruit discs in vitro also reduced the content of PA, while the content of PA increased under the transient transformation of fruit discs with STTM858b, DkMYB19, or DkMYB20. A similar phenomenon was observed upon the overexpression of miR858b in wild-type (WT) Arabidopsis and DkMYB19 or DkMYB20 in persimmon leaf calli. These findings suggested that miR858b repressed the expression of DkMYB19 and DkMYB20, which contributed to the PA accumulation in persimmon.
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Affiliation(s)
| | | | | | | | - Qinglin Zhang
- Key Laboratory of Horticultural Plant Biology, Ministry of Education, Huazhong Agricultural University, Wuhan, China
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15
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Li Y, Cui W, Wang R, Lin M, Zhong Y, Sun L, Qi X, Fang J. MicroRNA858-mediated regulation of anthocyanin biosynthesis in kiwifruit (Actinidia arguta) based on small RNA sequencing. PLoS One 2019; 14:e0217480. [PMID: 31120996 PMCID: PMC6532936 DOI: 10.1371/journal.pone.0217480] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2018] [Accepted: 05/13/2019] [Indexed: 11/19/2022] Open
Abstract
As important regulators, miRNAs could play pivotal roles in regulation of fruit coloring. Actinidia arguta is a newly emerged fruit tree with extensively application prospects. However, miRNAs involved in A. arguta fruit coloring are unknown. In this study, A. arguta fruit were investigated at three developmental stages by small RNAs high-throughput sequencing. A total of 482 conserved miRNAs corresponding to 526 pre-miRNAs and 581 novel miRNAs corresponding to 619 pre-miRNAs were grouped into 46 miRNA families. Target gene prediction and analysis revealed that miR858, a strongly candidate miRNA, was involved in anthocyanin biosynthesis in which contributes to fruit coloring. The anthocyanin level was determined in three A. arguta cultivars by UPLC-MS/MS (ultra-performance liquid chromatography coupled with tandem mass spectrometry). In addition, qPCR (quantitative real-time PCR), cluster analysis were conducted as well as correlation analysis. All results were combined to propose a model in which describes an association of miRNA and anthocyanin biosynthesis in A. arguta. The data presented herein is the first report on miRNA profile analysis in A. arguta, which can provide valuable information for further research into the regulation of the miRNAs in anthocyanin biosynthesis and fruit coloring.
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Affiliation(s)
- Yukuo Li
- Zhengzhou Fruit Research Institute, Chinese Academy of Agricultural Sciences, Zhengzhou, P.R. China
| | - Wen Cui
- Zhengzhou Fruit Research Institute, Chinese Academy of Agricultural Sciences, Zhengzhou, P.R. China
| | - Ran Wang
- Zhengzhou Fruit Research Institute, Chinese Academy of Agricultural Sciences, Zhengzhou, P.R. China
| | - Miaomiao Lin
- Zhengzhou Fruit Research Institute, Chinese Academy of Agricultural Sciences, Zhengzhou, P.R. China
| | - Yunpeng Zhong
- Zhengzhou Fruit Research Institute, Chinese Academy of Agricultural Sciences, Zhengzhou, P.R. China
| | - Leiming Sun
- Zhengzhou Fruit Research Institute, Chinese Academy of Agricultural Sciences, Zhengzhou, P.R. China
| | - Xiujuan Qi
- Zhengzhou Fruit Research Institute, Chinese Academy of Agricultural Sciences, Zhengzhou, P.R. China
- * E-mail: (JF); (XQ)
| | - Jinbao Fang
- Zhengzhou Fruit Research Institute, Chinese Academy of Agricultural Sciences, Zhengzhou, P.R. China
- * E-mail: (JF); (XQ)
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16
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Gupta OP, Karkute SG, Banerjee S, Meena NL, Dahuja A. Contemporary Understanding of miRNA-Based Regulation of Secondary Metabolites Biosynthesis in Plants. FRONTIERS IN PLANT SCIENCE 2017; 8:374. [PMID: 28424705 PMCID: PMC5372812 DOI: 10.3389/fpls.2017.00374] [Citation(s) in RCA: 67] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/17/2017] [Accepted: 03/03/2017] [Indexed: 05/20/2023]
Abstract
Plant's secondary metabolites such as flavonoids, terpenoids, and alkaloids etc. are known for their role in the defense against various insects-pests of plants and for medicinal benefits in human. Due to the immense biological importance of these phytochemicals, understanding the regulation of their biosynthetic pathway is crucial. In the recent past, advancement in the molecular technologies has enabled us to better understand the proteins, enzymes, genes, etc. involved in the biosynthetic pathway of the secondary metabolites. miRNAs are magical, tiny, non-coding ribonucleotides that function as critical regulators of gene expression in eukaryotes. Despite the accumulated knowledge of the miRNA-mediated regulation of several processes, the involvement of miRNAs in regulating secondary plant product biosynthesis is still poorly understood. Here, we summarize the recent progress made in the area of identification and characterizations of miRNAs involved in regulating the biosynthesis of secondary metabolites in plants and discuss the future perspectives for designing the viable strategies for their targeted manipulation.
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Affiliation(s)
- Om P. Gupta
- Division of Quality and Basic Sciences, ICAR-Indian Institute of Wheat and Barley ResearchKarnal, India
- *Correspondence: Om P. Gupta
| | - Suhas G. Karkute
- Division of Vegetable Improvement, ICAR-Indian Institute of Vegetable ResearchVaranasi, India
| | - Sagar Banerjee
- Division of Biochemistry, ICAR-Indian Agricultural Research InstituteNew Delhi, India
| | - Nand L. Meena
- Division of Basic Sciences, ICAR-Indian Institute of Millets ResearchHyderabad, India
| | - Anil Dahuja
- Division of Biochemistry, ICAR-Indian Agricultural Research InstituteNew Delhi, India
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17
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Badenes ML, Fernández I Martí A, Ríos G, Rubio-Cabetas MJ. Application of Genomic Technologies to the Breeding of Trees. Front Genet 2016; 7:198. [PMID: 27895664 PMCID: PMC5109026 DOI: 10.3389/fgene.2016.00198] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2016] [Accepted: 10/31/2016] [Indexed: 12/22/2022] Open
Abstract
The recent introduction of next generation sequencing (NGS) technologies represents a major revolution in providing new tools for identifying the genes and/or genomic intervals controlling important traits for selection in breeding programs. In perennial fruit trees with long generation times and large sizes of adult plants, the impact of these techniques is even more important. High-throughput DNA sequencing technologies have provided complete annotated sequences in many important tree species. Most of the high-throughput genotyping platforms described are being used for studies of genetic diversity and population structure. Dissection of complex traits became possible through the availability of genome sequences along with phenotypic variation data, which allow to elucidate the causative genetic differences that give rise to observed phenotypic variation. Association mapping facilitates the association between genetic markers and phenotype in unstructured and complex populations, identifying molecular markers for assisted selection and breeding. Also, genomic data provide in silico identification and characterization of genes and gene families related to important traits, enabling new tools for molecular marker assisted selection in tree breeding. Deep sequencing of transcriptomes is also a powerful tool for the analysis of precise expression levels of each gene in a sample. It consists in quantifying short cDNA reads, obtained by NGS technologies, in order to compare the entire transcriptomes between genotypes and environmental conditions. The miRNAs are non-coding short RNAs involved in the regulation of different physiological processes, which can be identified by high-throughput sequencing of RNA libraries obtained by reverse transcription of purified short RNAs, and by in silico comparison with known miRNAs from other species. All together, NGS techniques and their applications have increased the resources for plant breeding in tree species, closing the former gap of genetic tools between trees and annual species.
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Affiliation(s)
- Maria L Badenes
- Instituto Valenciano de Investigaciones Agrarias Valencia, Spain
| | - Angel Fernández I Martí
- Hortofruticulture Department, Agrifood Research and Technology Centre of AragonZaragoza, Spain; Genome Center, University of California, Davis, Davis, CAUSA
| | - Gabino Ríos
- Instituto Valenciano de Investigaciones Agrarias Valencia, Spain
| | - María J Rubio-Cabetas
- Hortofruticulture Department, Agrifood Research and Technology Centre of Aragon Zaragoza, Spain
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18
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Zeng S, Liu Y, Pan L, Hayward A, Wang Y. Identification and characterization of miRNAs in ripening fruit of Lycium barbarum L. using high-throughput sequencing. FRONTIERS IN PLANT SCIENCE 2015; 6:778. [PMID: 26442086 PMCID: PMC4585183 DOI: 10.3389/fpls.2015.00778] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2015] [Accepted: 09/10/2015] [Indexed: 05/18/2023]
Abstract
MicroRNAs (miRNAs) are master regulators of gene activity documented to play central roles in fruit ripening in model plant species, yet little is known of their roles in Lycium barbarum L. fruits. In this study, miRNA levels in L. barbarum fruit samples at four developmental stages, were assayed using Illumina HiSeqTM2000. This revealed the presence of 50 novel miRNAs and 38 known miRNAs in L. barbarum fruits. Of the novel miRNAs, 36 were specific to L. barbarum fruits compared with L. chinense. A number of stage-specific miRNAs were identified and GO terms were assigned to 194 unigenes targeted by miRNAs. The majority of GO terms of unigenes targeted by differentially expressed miRNAs are "intracellular organelle," "binding," "metabolic process," "pigmentation," and "biological regulation." Enriched KEGG analysis indicated that nucleotide excision repair and ubiquitin mediated proteolysis were over-represented during the initial stage of ripening, with ABC transporters and sulfur metabolism pathways active during the middle stages and ABC transporters and spliceosome enriched in the final stages of ripening. Several miRNAs and their targets serving as potential regulators in L. barbarum fruit ripening were identified using quantitative reverse transcription polymerase chain reaction. The miRNA-target interactions were predicted for L. barbarum ripening regulators including miR156/157 with LbCNR and LbWRKY8, and miR171 with LbGRAS. Additionally, regulatory interactions potentially controlling fruit quality and nutritional value via sugar and secondary metabolite accumulation were identified. These include miR156 targeting of fructokinase and 1-deoxy-D-xylulose-5-phosphate synthase and miR164 targeting of beta-fructofuranosidase. In sum, valuable information revealed by small RNA sequencing in this study will provide a solid foundation for uncovering the miRNA-mediated mechanism of fruit ripening and quality in this nutritional food.
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Affiliation(s)
- Shaohua Zeng
- Key Laboratory of Plant Resources Conservation and Sustainable Utilization, South China Botanical Garden, Chinese Academy of SciencesGuangzhou, China
- Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of SciencesGuangzhou, China
- *Correspondence: Shaohua Zeng and Ying Wang, South China Botanical Garden, Chinese Academy of Sciences, 723 Xingke Road, Tianhe District, Guangzhou 510650, China ;
| | - Yongliang Liu
- Key Laboratory of Plant Resources Conservation and Sustainable Utilization, South China Botanical Garden, Chinese Academy of SciencesGuangzhou, China
- Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of SciencesGuangzhou, China
| | - Lizhu Pan
- Key Laboratory of Plant Resources Conservation and Sustainable Utilization, South China Botanical Garden, Chinese Academy of SciencesGuangzhou, China
- Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of SciencesGuangzhou, China
| | - Alice Hayward
- Queensland Alliance for Agriculture and Food Innovation, The University of QueenslandSt Lucia, QLD, Australia
| | - Ying Wang
- Key Laboratory of Plant Resources Conservation and Sustainable Utilization, South China Botanical Garden, Chinese Academy of SciencesGuangzhou, China
- Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of SciencesGuangzhou, China
- *Correspondence: Shaohua Zeng and Ying Wang, South China Botanical Garden, Chinese Academy of Sciences, 723 Xingke Road, Tianhe District, Guangzhou 510650, China ;
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