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Yang P, Yuan Y, Sun Y, Lv B, Du H, Zhou Z, Yang Z, Liu X, Duan H, Shen C. The Host Protein CAD Regulates the Replication of FMDV through the Function of Pyrimidines' De Novo Synthesis. J Virol 2023; 97:e0036923. [PMID: 37162335 DOI: 10.1128/jvi.00369-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/11/2023] Open
Abstract
Foot-and-mouth disease virus (FMDV) is a single-stranded picornavirus that causes economically devastating disease in even-hooved animals. There has been little research on the function of host cells during FMDV infection. We aimed to shed light on key host factors associated with FMDV replication during acute infection. We found that HDAC1 overexpression in host cells induced upregulation of FMDV RNA and protein levels. Activation of the AKT-mammalian target of rapamycin (mTOR) signaling pathway using bpV(HOpic) or SC79 also promoted FMDV replication. Furthermore, short hairpin RNA (shRNA)-induced suppression of carbamoyl-phosphate synthetase 2, aspartate transcarbamylase, and dihydroorotase (CAD), a transcription factor downstream of the AKT-mTOR signaling pathway, resulted in downregulation of FMDV RNA and protein levels. Coimmunoprecipitation assays showed that the ACTase domain of CAD could interact with the FMDV 2C protein, suggesting that the ACTase domain of CAD may be critical in FMDV replication. CAD proteins participate in de novo pyrimidine synthesis. Inhibition of FMDV replication by deletion of the ACTase domain of CAD in host cells could be reversed by supplementation with uracil. These results revealed that the contribution of the CAD ACTase domain to FMDV replication is dependent on de novo pyrimidine synthesis. Our research shows that HDAC1 promotes FMDV replication by regulating de novo pyrimidine synthesis from CAD via the AKT-mTOR signaling pathway. IMPORTANCE Foot-and-mouth disease virus is an animal virus of the Picornaviridae family that seriously harms the development of animal husbandry and foreign trade of related products, and there is still a lack of effective means to control its harm. Replication complexes would generate during FMDV replication to ensure efficient replication cycles. 2C is a common viral protein in the replication complex of Picornaviridae virus, which is thought to be an essential component of membrane rearrangement and viral replication complex formation. The host protein CAD is a key protein in the pyrimidines de novo synthesis. In our research, the interaction of CAD and FMDV 2C was demonstrated in FMDV-infected BHK-21 cells, and it colocalized with 2C in the replication complex. The inhibition of the expression of FMDV 3D protein through interference with CAD and supplementation with exogenous pyrimidines reversed this inhibition, suggesting that FMDV might recruit CAD through the 2C protein to ensure pyrimidine supply during replication. In addition, we also found that FMDV infection decreased the expression of the host protein HDAC1 and ultimately inhibited CAD activity through the AKT-mTOR signaling pathway. These results revealed a unique means of counteracting the virus in BHK-21 cells lacking the interferon (IFN) signaling pathway. In conclusion, our study provides some potential targets for the development of drugs against FMDV.
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Affiliation(s)
- Pu Yang
- College of Life Sciences, Wuhan University, Wuhan, China
- China Center for Type Culture Collection, Wuhan University, Wuhan, China
| | - Yuncong Yuan
- College of Life Sciences, Wuhan University, Wuhan, China
- China Center for Type Culture Collection, Wuhan University, Wuhan, China
| | - Yidan Sun
- College of Life Sciences, Wuhan University, Wuhan, China
- China Center for Type Culture Collection, Wuhan University, Wuhan, China
| | - Bonan Lv
- College of Life Sciences, Wuhan University, Wuhan, China
- China Center for Type Culture Collection, Wuhan University, Wuhan, China
| | - Hang Du
- College of Life Sciences, Wuhan University, Wuhan, China
- China Center for Type Culture Collection, Wuhan University, Wuhan, China
| | - Zhou Zhou
- College of Life Sciences, Wuhan University, Wuhan, China
- China Center for Type Culture Collection, Wuhan University, Wuhan, China
| | - Zhuang Yang
- College of Life Sciences, Wuhan University, Wuhan, China
- China Center for Type Culture Collection, Wuhan University, Wuhan, China
| | - Xuemei Liu
- College of Life Sciences, Wuhan University, Wuhan, China
- China Center for Type Culture Collection, Wuhan University, Wuhan, China
| | - Huimin Duan
- College of Life Sciences, Wuhan University, Wuhan, China
- China Center for Type Culture Collection, Wuhan University, Wuhan, China
| | - Chao Shen
- College of Life Sciences, Wuhan University, Wuhan, China
- China Center for Type Culture Collection, Wuhan University, Wuhan, China
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Immunogenicity analysis of the E. coli expressed structural protein VP1 of persistent infection foot-and-mouth disease virus. Virology 2023; 579:111-118. [PMID: 36634474 DOI: 10.1016/j.virol.2023.01.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2022] [Revised: 12/31/2022] [Accepted: 01/04/2023] [Indexed: 01/09/2023]
Abstract
The persistent infection of FMDV in cloven hoofed animals has made the epidemic prevention and control more difficult. VP1 is the main immunogenic protein and first candidate of vaccine development for FMDV prevention. However, the mutation of VP1 in host cell with persistent infection FMDV (PI-FMDV) caused the change of its immunogenicity. Hence, it is imperative to establish the expression system for VP1 of PI-FMDV (PI-VP1) and re-evaluate its immunogenicity. In this study, the PI-VP1 with His-tag was cloned into pET-28a vector. PI-VP1 protein was expressed and purified in E. coli, and further the antiserum of immunized mice was analyzed. Results showed that purified PI-VP1 protein produced a good humoral and cellular immune response after immunizing mice. Furthermore, our study showed that the antiserum could not only neutralize PI-FMDV, but also prevent the adsorption of WT-FMDV. In summarize, our work provides valuable implications for the FMDV vaccines and therapeutics development.
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Yang L, Chen H, Liu L, Song J, Feng T, Li Y, Shen C, Kong L, Xin X. Foot-and-mouth disease virus VP1 promotes viral replication by regulating the expression of chemokines and GBP1. Front Vet Sci 2022; 9:937409. [PMID: 35937300 PMCID: PMC9353127 DOI: 10.3389/fvets.2022.937409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Accepted: 06/28/2022] [Indexed: 11/13/2022] Open
Abstract
Foot-and-mouth disease virus (FMDV) is an acute, highly contagious, and economically destructive pathogen of vesicular disease that affects domestic and wild cloven-hoofed animals. The FMDV VP1 protein is an important part of the nucleocapsid and plays a significant role during FMDV infection. However, the signal pathways mediated by VP1 in the life cycle of FMDV and the related mechanisms are not yet fully understood. Here, we performed RNA-seq to compare gene expression profiles between pCAGGS-HA-VP1 transfected PK-15 cells and pCAGGS-HA (empty vector) transfected PK-15 cells. The results showed 5,571 genes with significantly different expression levels, of which 2,981 were up-regulated and 2,590 were down-regulated. GO enrichment analysis showed that 51 GO terms were significantly enriched in cell components including protein complex, membrane and organelle part. KEGG enrichment analysis showed 11 KEGG pathways were significantly enriched which were mainly related to the immune system, infectious viral disease, and signal transduction. Among the up-regulated genes, the chemokines such as CCL5, CXCL8, and CXCL10 in turn promoted FMDV replication. In contrast, GBP1, an interferon-stimulated gene that was suppressed by VP1 and FMDV, could effectively inhibit FMDV replication. Our research provides a comprehensive overview of the response of host cells to VP1 protein and a basis for further research to understand the roles of VP1 in FMDV infection including the genes involved in FMDV replication.
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Affiliation(s)
- Li Yang
- Nanchang City Key Laboratory of Animal Virus and Genetic Engineering, Nanchang, China
- Institute of Pathogenic Microorganism, Jiangxi Agricultural University, Nanchang, China
- College of Bioscience and Engineering, Jiangxi Agricultural University, Nanchang, China
| | - Hong Chen
- Nanchang City Key Laboratory of Animal Virus and Genetic Engineering, Nanchang, China
- Institute of Pathogenic Microorganism, Jiangxi Agricultural University, Nanchang, China
- College of Bioscience and Engineering, Jiangxi Agricultural University, Nanchang, China
| | - Liqing Liu
- Nanchang City Key Laboratory of Animal Virus and Genetic Engineering, Nanchang, China
- Institute of Pathogenic Microorganism, Jiangxi Agricultural University, Nanchang, China
- College of Bioscience and Engineering, Jiangxi Agricultural University, Nanchang, China
| | - Jingjing Song
- Nanchang City Key Laboratory of Animal Virus and Genetic Engineering, Nanchang, China
- Institute of Pathogenic Microorganism, Jiangxi Agricultural University, Nanchang, China
- College of Bioscience and Engineering, Jiangxi Agricultural University, Nanchang, China
| | - Tian Feng
- Nanchang City Key Laboratory of Animal Virus and Genetic Engineering, Nanchang, China
- Institute of Pathogenic Microorganism, Jiangxi Agricultural University, Nanchang, China
- College of Bioscience and Engineering, Jiangxi Agricultural University, Nanchang, China
| | - Yihan Li
- Nanchang City Key Laboratory of Animal Virus and Genetic Engineering, Nanchang, China
- Institute of Pathogenic Microorganism, Jiangxi Agricultural University, Nanchang, China
- College of Bioscience and Engineering, Jiangxi Agricultural University, Nanchang, China
| | - Chao Shen
- State Key Laboratory of Virology, College of Life Sciences, Wuhan University, Wuhan, China
| | - Lingbao Kong
- Nanchang City Key Laboratory of Animal Virus and Genetic Engineering, Nanchang, China
- Institute of Pathogenic Microorganism, Jiangxi Agricultural University, Nanchang, China
- College of Bioscience and Engineering, Jiangxi Agricultural University, Nanchang, China
| | - Xiu Xin
- Nanchang City Key Laboratory of Animal Virus and Genetic Engineering, Nanchang, China
- Institute of Pathogenic Microorganism, Jiangxi Agricultural University, Nanchang, China
- College of Bioscience and Engineering, Jiangxi Agricultural University, Nanchang, China
- *Correspondence: Xiu Xin
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Yuan Y, Wang X, Li J, Han L, Du H, Sun Y, Yang P, Zhou Z, Gu M, Lu Y, Shen C. Single-Cell Sequencing Yields Insights in the Evolution of Foot-and-Mouth Disease Virus Persistent Infection. Front Cell Infect Microbiol 2022; 12:940906. [PMID: 35873170 PMCID: PMC9304859 DOI: 10.3389/fcimb.2022.940906] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Accepted: 06/07/2022] [Indexed: 11/13/2022] Open
Abstract
Foot-and-mouth disease virus (FMDV) could cause acute infection in host cells, or they could coexist with host cells to generate persistent infection. In persistent infection, the virus could survive for a long time in the host and could be transmitted between different host cells. In the case of FMDV-persistent infection cell line, there is a remarkable significant cellular heterogeneity in the FMDV-persistent infection cell line due to differences of viral load in the individual cells within the cell line. However, the mechanisms of FMDV-persistent infection are not well understood. It is now generally accepted that multiple factors contribute to the coevolution of viruses and cells during the course of persistent infection. The outcome would influence the development of persistent FMDV infection conjointly, reaching a state of equilibrium ultimately. Therefore, in order to elucidate the mechanism of cellular heterogeneity in FMDV-persistent infection cell line, single-cell sequencing was performed on BHK-Op, and pseudotime trajectory plot was draw through cell cluster. Based on the cell clusters, we predicted the development and progression of the FMDV-persistent infection. It could be well explained by the fact that, in BHK-Op cells, there are a fraction of infected cells and a fraction of virus-exposed but uninfected bystander cells. By further comparing the transcripts in cell clusters, we found that these genes were involved in changes in ribosome biogenesis, cell cycle, and intracellular signaling including the interferon signaling pathway and mitogen-activated protein kinase (MAPK) signaling pathway. Through comprehensive cross-tabulation analysis of differential expressed genes in various cluster of cells, we identified a high association of Fos, a downstream transcription factor of the MAPK/extracellular signal–regulated kinase (ERK) signaling pathway, with viral replication during the formation of FMDV-persistent infection. Through the further study of Fos, we found that downregulation of Fos facilitates viral clearance during FMDV-persistent infection. Upregulation of c-Raf, which is the upstream of the MAPK/ERK signaling pathway, could promote FMDV replication through downregulation of Fos. Our research is the first to provide insight into the mechanism of the formation FMDV-persistent infection through single-cell sequencing using persistent infection cell line. Pseudotime trajectory analysis was the first time to apply for FMDV-persistent infection cell line. Our work highlights the detailed overview of the evolution of FMDV-persistent infection. We also analyzed the differential expressed genes in the replication or elimination of FMDV within the host. We found that the MAPK/ERK signaling pathway and its downstream transcription factor Fos play an important role in FMDV-persistent infection.
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Affiliation(s)
- Yuncong Yuan
- College of Life Sciences, Wuhan University, Wuhan, China
- China Center for Type Culture Collection, Wuhan University, Wuhan, China
| | - Xingran Wang
- College of Life Sciences, Wuhan University, Wuhan, China
- China Center for Type Culture Collection, Wuhan University, Wuhan, China
| | - Jiadai Li
- College of Life Sciences, Wuhan University, Wuhan, China
- China Center for Type Culture Collection, Wuhan University, Wuhan, China
| | - Lingling Han
- College of Life Sciences, Wuhan University, Wuhan, China
- China Center for Type Culture Collection, Wuhan University, Wuhan, China
| | - Hang Du
- College of Life Sciences, Wuhan University, Wuhan, China
- China Center for Type Culture Collection, Wuhan University, Wuhan, China
| | - Yidan Sun
- College of Life Sciences, Wuhan University, Wuhan, China
- China Center for Type Culture Collection, Wuhan University, Wuhan, China
| | - Pu Yang
- College of Life Sciences, Wuhan University, Wuhan, China
- China Center for Type Culture Collection, Wuhan University, Wuhan, China
| | - Zhou Zhou
- College of Life Sciences, Wuhan University, Wuhan, China
- China Center for Type Culture Collection, Wuhan University, Wuhan, China
| | - Meijia Gu
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Ministry of Education, School of Pharmaceutical Sciences, Wuhan University, Wuhan, China
| | - Yang Lu
- College of Life Sciences, Wuhan University, Wuhan, China
| | - Chao Shen
- College of Life Sciences, Wuhan University, Wuhan, China
- China Center for Type Culture Collection, Wuhan University, Wuhan, China
- *Correspondence: Chao Shen,
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Liu M, Yang Q, Han J. Transcriptomic analysis reveals that coxsackievirus B3 Woodruff and GD strains use similar key genes to induce FoxO signaling pathway activation in HeLa cells. Arch Virol 2021; 167:131-140. [PMID: 34773511 DOI: 10.1007/s00705-021-05292-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2021] [Accepted: 09/16/2021] [Indexed: 11/28/2022]
Abstract
Coxsackievirus B3 (CVB3) is a major cause of viral myocarditis in humans. Although there have been studies on CVB3 infection and pathogenesis, the precise disease mechanism is still not clear. In this study, we used RNA-seq technology to compare the transcriptomic profile of virus-infected HeLa cells to that of uninfected cells to identify key genes involved in host-virus interaction. For this, two CVB3 strains, CVB3 Woodruff, an experimental strain, and GD16-69/GD/CHN/2016, a clinical strain, were selected to examine the common mechanisms underlying their infection. Transcriptomic profiles revealed increased expression of the cell cycle genes CCNG2, GADD45B, PIM1, RBM15, KLF10, and RIOK3 and decreased expression of CYBA. The autophagy-related genes ATG12 and YOD1 were found to be upregulated, while the expression of SOD2 and XPO1 increased slightly in infected cells, and only a minor change was observed in GABARAP expression. Kyoto Encyclopedia of Genes and Genomes (KEGG) analysis showed the FoxO signaling pathway to be enriched and showed a close interaction with differentially expressed genes (DEGs) in the protein-protein interaction network. DEGs associated with related pathways such as cell cycle, autophagy, and oxidative stress resistance were also confirmed by qRT-PCR. In summary, the FoxO signaling pathway was activated during infection with both CVB3 strains and was found to have a regulatory role in downstream pathways such as cell cycle, autophagy, oxidative stress resistance, and the antiviral immune response.
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Affiliation(s)
- Mi Liu
- State Key Laboratory of Infectious Disease Prevention and Control, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, 155 Changbai Rd, Beijing, 102206, China
| | - Qian Yang
- WHO WPRO Regional Polio Reference Laboratory, National Health Commission Key Laboratory for Medical Virology, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, 155 Changbai Road, Beijing, 102206, China
| | - Jun Han
- State Key Laboratory of Infectious Disease Prevention and Control, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, 155 Changbai Rd, Beijing, 102206, China.
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Saravanan S, Guleria N, Ranjitha HB, Sreenivasa BP, Hosamani M, Prieto C, Umapathi V, Santosh HK, Behera S, Dhanesh VV, Krishna GS, Gopinath S, Kolte A, Bayry J, Sanyal A, Basagoudanavar SH. Induction of antiviral and cell mediated immune responses significantly reduce viral load in an acute foot-and-mouth disease virus infection in cattle. Genomics 2021; 113:4254-4266. [PMID: 34757126 DOI: 10.1016/j.ygeno.2021.10.016] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 09/22/2021] [Accepted: 10/27/2021] [Indexed: 11/27/2022]
Abstract
Foot-and-mouth disease virus (FMDV) causes a severe infection in ruminant animals. Here we present an in-depth transcriptional analysis of soft-palate tissue from cattle experimentally infected with FMDV. The differentially expressed genes from two Indian cattle (Bos indicus) breeds (Malnad Gidda and Hallikar) and Holstein Friesian (HF) crossbred calves, highlighted the activation of metabolic processes, mitochondrial functions and significant enrichment of innate antiviral immune response pathways in the indigenous calves. The results of RT-qPCR based validation of 12 genes was in alignment with the transcriptome data. The indigenous calves showing lesser virus load, elicited early neutralizing antibodies and IFN-γ immune responses. This study revealed that induction of potent innate antiviral response and cell mediated immunity in indigenous cattle, especially Malnad Gidda, significantly restricted FMDV replication during acute infection. These data highlighting the molecular processes associated with host-pathogen interactions, could aid in the conception of novel strategies to prevent and control FMDV infection in cattle.
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Affiliation(s)
- S Saravanan
- ICAR-Indian Veterinary Research Institute, Hebbal, Bengaluru 560024, India
| | - Neha Guleria
- ICAR-Indian Veterinary Research Institute, Hebbal, Bengaluru 560024, India
| | - H B Ranjitha
- ICAR-Indian Veterinary Research Institute, Hebbal, Bengaluru 560024, India
| | - B P Sreenivasa
- ICAR-Indian Veterinary Research Institute, Hebbal, Bengaluru 560024, India
| | | | - Carlos Prieto
- Bioinformatics Service, Nucleus, University of Salamanca, Spain
| | - V Umapathi
- ICAR-Indian Veterinary Research Institute, Hebbal, Bengaluru 560024, India
| | - H K Santosh
- Department of Animal Husbandry and Veterinary Services Karnataka, India
| | - Subhasmita Behera
- ICAR-Indian Veterinary Research Institute, Hebbal, Bengaluru 560024, India
| | - V V Dhanesh
- ICAR-Indian Veterinary Research Institute, Hebbal, Bengaluru 560024, India
| | | | - Shreya Gopinath
- ICAR-Indian Veterinary Research Institute, Hebbal, Bengaluru 560024, India
| | - Atul Kolte
- ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru 560030, India
| | - Jagadeesh Bayry
- Department of Biological Sciences and Engineering, Indian Institute of Technology Palakkad, Palakkad 678623, India
| | - Aniket Sanyal
- ICAR-Indian Veterinary Research Institute, Hebbal, Bengaluru 560024, India
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Han L, Yuan Y, Hu J, Li J, Zhu S, Yang P, Cheng A, Li X, Shen C. Next-generation sequencing sheds light on the interaction between virus and cell during foot-and-mouth disease virus persistent infection. Vet Microbiol 2021; 263:109247. [PMID: 34649012 DOI: 10.1016/j.vetmic.2021.109247] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Accepted: 09/28/2021] [Indexed: 11/17/2022]
Abstract
Foot-and-mouth disease virus (FMDV) infection can be either persistent or acute in susceptible animals. The mechanisms involved in FMDV replication and clearance during persistent infection remain unclear. To identify host factors that are critical for FMDV replication during persistent infection, we used RNA-seq to compare the transcriptomes of infected (BHK-Op) cells and bystander (BHK-VEC) cells, which are exposed to FMDV but not infected. In total, 1917 genes were differentially expressed between BHK-Op cells and BHK-VEC cells, which were involved in ribosome biogenesis, cell cycle, and dilated cardiomyopathy. We further identified host genes potentially involved in viral clearance during persistent FMDV infection by comprehensive crossover analysis of differentially expressed genes in ancestral host cells, evolved infected host cells, and evolved bystander cells, which are resistant to infection by wild-type FMDV and FMDV-Op that co-evolved with host cells during persistent infection. Among the identified genes were Cav1 and Ccnd1. Subsequent experiments showed that knockdown of Cav1 and Ccnd1 in host cells significantly promoted and inhibited FMDV replication, respectively, confirming that the overexpression of Cav1 and the downregulation of Ccnd1 contribute to virus clearance during persistent FMDV infection. In addition, we found that BHK-Op cells contained mixtures of multiple genotypes of FMDV viruses, shedding light on the diversity of FMDV genotypes during persistent infection. Our findings provide a detailed overview of the responses of infected cells and bystander cells to persistent FMDV infection.
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Affiliation(s)
- Lingling Han
- College of Life Sciences, Wuhan University, Wuhan 430072, China
| | - Yuncong Yuan
- College of Life Sciences, Wuhan University, Wuhan 430072, China
| | - Jianjun Hu
- College of Life Sciences, Wuhan University, Wuhan 430072, China
| | - Jiadai Li
- College of Life Sciences, Wuhan University, Wuhan 430072, China
| | - Shumin Zhu
- College of Life Sciences, Wuhan University, Wuhan 430072, China
| | - Pu Yang
- College of Life Sciences, Wuhan University, Wuhan 430072, China
| | - Andi Cheng
- College of Life Sciences, Wuhan University, Wuhan 430072, China
| | - Xinmei Li
- College of Life Sciences, Wuhan University, Wuhan 430072, China
| | - Chao Shen
- College of Life Sciences, Wuhan University, Wuhan 430072, China; China Center for Type Culture Collection, Wuhan University, Wuhan 430072, China.
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