1
|
Zhang Y, Gao C, Zhang Y, Huang H, Du Y, Wu L, Wu L. FTX271: A potential gene resource for plant antiviral transgenic breeding. Front Microbiol 2022; 13:1003478. [PMID: 36246260 PMCID: PMC9558137 DOI: 10.3389/fmicb.2022.1003478] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Accepted: 09/06/2022] [Indexed: 11/13/2022] Open
Abstract
Flammutoxin (FTX), as well as its precursor TDP, is a protein from Flammulina velutipes with antiviral activity. Transgenic tobacco with the FTX271 (gene of FTX or TDP) can not only delay the onset time of symptoms but also alleviate the symptoms caused by tobacco mosaic virus (TMV), but the mechanism is still unclear. In this study, FTX271 was introduced into Nicotiana benthamiana, and the disease resistance mechanism activated by FTX271 was speculated by transcriptomic and proteomic techniques. The results showed that TDP was detected, and some genes, proteins and pathways were significant upregulated or enriched in transgenic tobacco, including the mitogen-activated protein kinase (MAPK) cascade signal transduction pathway, the expression of hypersensitive response (HR) marker genes H1N1 and HSR203J, pathogenesis-related (PR) genes, and the key genes COI1 and lipoxygenase gene LOX2 of the jasmonic acid (JA) signaling pathway, indicating FTX271 may activate the MAPK pathway and increase the content of reactive oxygen species (ROS) and JA, which promoted the HR and inducible systemic resistance (ISR). ISR caused increased expression of peroxidase (POD) and other proteins involved in pathogen defense. In addition, transgenic tobacco may use sHSP-assisted photoreparation to alleviate the symptoms of TMV. In conclusion, JA-mediated ISR and sHSP-assisted photoreparation are activated by FTX271 to protect tobacco from TMV infection and alleviate the symptoms caused by the virus. The study provided a theoretical basis for the TMV resistance mechanism of FTX271, which may represent a potential gene resource for plant antiviral transgenic breeding.
Collapse
|
2
|
Xun H, Yang X, He H, Wang M, Guo P, Wang Y, Pang J, Dong Y, Feng X, Wang S, Liu B. Over-expression of GmKR3, a TIR-NBS-LRR type R gene, confers resistance to multiple viruses in soybean. PLANT MOLECULAR BIOLOGY 2019; 99:95-111. [PMID: 30535849 DOI: 10.1007/s11103-018-0804-z] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/23/2018] [Accepted: 11/28/2018] [Indexed: 05/27/2023]
Abstract
KEY MESSAGE That overexpression of GmKR3 enhances innate virus resistance by stimulating. Soybean mosaic virus (SMV) is found in many soybean production areas, and SMV infection is one of the prevalent viral diseases that can cause significant yield losses in soybean. In plants, resistance (R) genes are involved in pathogen reorganization and innate immune response activation. Most R proteins have nucleotide-binding site and leucine-rich repeat (NBS-LRR) domains, and some of the NBS-LRR type R proteins in dicots have Toll/Interleukin-1 Receptor (TIR) motifs. We report here the analysis of the over-expression of GmKR3, a soybean TIR-NBS-LRR type R gene on virus resistance in soybean. When over-expressed in soybean, GmKR3 enhanced the plant's resistance to several strains of SMV, the closely related potyviruses bean common mosaic virus (BCMV) and watermelon mosaic virus (WMV), and the secovirus bean pod mottle virus (BPMV). Importantly, over-expression of GmKR3 did not affect plant growth and development, including yield and qualities of the seeds. HPLC analysis showed that abscisic acid (ABA) content increased in the 35S:GmKR3 transgenic plants, and in both wild-type and 35S:GmKR3 transgenic plants in response to virus inoculation. Consistent with this observation, we found that the expression of two ABA catabolism genes was down-regulated in 35S:GmKR3 transgenic plants. We also found that the expression of Gm04.3, an ABA responsive gene encoding BURP domain-containing protein, was up-regulated in 35S:GmKR3 transgenic plants. Taken together, our results suggest that overexpression of GmKR3 enhanced virus resistance in soybean, which was achieved at least in part via ABA signaling.
Collapse
Affiliation(s)
- Hongwei Xun
- Key Laboratory of Molecular Epigenetics of MOE & Institute of Genetics and Cytology, Northeast Normal University, Changchun, China
| | - Xiangdong Yang
- Jilin Academy of Agricultural Sciences, Changchun, 130033, China
| | - Hongli He
- Jilin Academy of Agricultural Sciences, Changchun, 130033, China
| | - Meng Wang
- Key Laboratory of Molecular Epigenetics of MOE & Institute of Genetics and Cytology, Northeast Normal University, Changchun, China
| | - Peng Guo
- Key Laboratory of Molecular Epigenetics of MOE & Institute of Genetics and Cytology, Northeast Normal University, Changchun, China
| | - Ying Wang
- Key Laboratory of Molecular Epigenetics of MOE & Institute of Genetics and Cytology, Northeast Normal University, Changchun, China
| | - Jinsong Pang
- Key Laboratory of Molecular Epigenetics of MOE & Institute of Genetics and Cytology, Northeast Normal University, Changchun, China.
| | - Yingshan Dong
- Jilin Academy of Agricultural Sciences, Changchun, 130033, China.
| | - Xianzhong Feng
- Key Laboratory of Soybean Molecular Design Breeding, Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun, 130102, China
| | - Shucai Wang
- Key Laboratory of Molecular Epigenetics of MOE & Institute of Genetics and Cytology, Northeast Normal University, Changchun, China.
- College of Life Science, Linyi University, Linyi, China.
| | - Bao Liu
- Key Laboratory of Molecular Epigenetics of MOE & Institute of Genetics and Cytology, Northeast Normal University, Changchun, China
| |
Collapse
|
3
|
An X, Chen Z, Wang J, Ye M, Ji L, Wang J, Liao W, Ma H. Identification and characterization of the Populus sucrose synthase gene family. Gene 2014; 539:58-67. [PMID: 24508272 DOI: 10.1016/j.gene.2014.01.062] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2013] [Revised: 01/14/2014] [Accepted: 01/24/2014] [Indexed: 12/11/2022]
Abstract
In this study, we indentified 15 sucrose synthase (SS) genes in Populus and the results of RT-qPCR revealed that their expression patterns were constitutive and partially overlapping but diverse. The release of the most recent Populus genomic data in Phytozome v9.1 has revealed the largest SS gene family described to date, comprising 15 distinct members. This information will now enable the analysis of transcript expression profiles for those that have not been previously reported. Here, we performed a comprehensive analysis of SS genes in Populus by describing the gene structure, chromosomal location and phylogenetic relationship of each family member. A total of 15 putative SS gene members were identified in the Populus trichocarpa (Torr. & Gray) genome using the SS domain and amino acid sequences from Arabidopsis thaliana as a probe. A phylogenetic analysis indicated that the 15 members could be classified into four groups that fall into three major categories: dicots, monocots & dicots 1 (M & D 1), and monocots & dicots 2 (M & D 2). In addition, the 15 SS genes were found to be unevenly distributed on seven chromosomes. The two conserved domains (sucrose synthase and glycosyl transferase) were found in this family. Meanwhile, the expression profiles of all 15 gene members in seven different organs were investigated in Populus tomentosa (Carr.) by using RT-qPCR. Additional analysis indicated that the poplar SS gene family is also involved in response to water-deficit. The current study provides basic information that will assist in elucidating the functions of poplar SS family.
Collapse
Affiliation(s)
- Xinmin An
- National Engineering Laboratory for Tree Breeding, NDRC, Key Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants, MOE, The Tree and Ornamental Plant Breeding and Biotechnology Laboratory, SFA, College of Biological Sciences and Biotechnology, Beijing Forestry University, Qinghua East Road No.35, Haidian District, Beijing 100083, China.
| | - Zhong Chen
- National Engineering Laboratory for Tree Breeding, NDRC, Key Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants, MOE, The Tree and Ornamental Plant Breeding and Biotechnology Laboratory, SFA, College of Biological Sciences and Biotechnology, Beijing Forestry University, Qinghua East Road No.35, Haidian District, Beijing 100083, China
| | - Jingcheng Wang
- National Engineering Laboratory for Tree Breeding, NDRC, Key Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants, MOE, The Tree and Ornamental Plant Breeding and Biotechnology Laboratory, SFA, College of Biological Sciences and Biotechnology, Beijing Forestry University, Qinghua East Road No.35, Haidian District, Beijing 100083, China; Chinese Academy for Environmental Planning, Ministry of Environmental Protection of the People's Republic of China, Beijing 100012, China
| | - Meixia Ye
- National Engineering Laboratory for Tree Breeding, NDRC, Key Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants, MOE, The Tree and Ornamental Plant Breeding and Biotechnology Laboratory, SFA, College of Biological Sciences and Biotechnology, Beijing Forestry University, Qinghua East Road No.35, Haidian District, Beijing 100083, China
| | - Lexiang Ji
- National Engineering Laboratory for Tree Breeding, NDRC, Key Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants, MOE, The Tree and Ornamental Plant Breeding and Biotechnology Laboratory, SFA, College of Biological Sciences and Biotechnology, Beijing Forestry University, Qinghua East Road No.35, Haidian District, Beijing 100083, China
| | - Jia Wang
- National Engineering Laboratory for Tree Breeding, NDRC, Key Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants, MOE, The Tree and Ornamental Plant Breeding and Biotechnology Laboratory, SFA, College of Biological Sciences and Biotechnology, Beijing Forestry University, Qinghua East Road No.35, Haidian District, Beijing 100083, China
| | - Weihua Liao
- National Engineering Laboratory for Tree Breeding, NDRC, Key Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants, MOE, The Tree and Ornamental Plant Breeding and Biotechnology Laboratory, SFA, College of Biological Sciences and Biotechnology, Beijing Forestry University, Qinghua East Road No.35, Haidian District, Beijing 100083, China
| | - Huandi Ma
- National Engineering Laboratory for Tree Breeding, NDRC, Key Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants, MOE, The Tree and Ornamental Plant Breeding and Biotechnology Laboratory, SFA, College of Biological Sciences and Biotechnology, Beijing Forestry University, Qinghua East Road No.35, Haidian District, Beijing 100083, China
| |
Collapse
|
4
|
Cicatelli A, Todeschini V, Lingua G, Biondi S, Torrigiani P, Castiglione S. Epigenetic control of heavy metal stress response in mycorrhizal versus non-mycorrhizal poplar plants. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2014; 21:1723-1737. [PMID: 23975714 DOI: 10.1007/s11356-013-2072-4] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/24/2013] [Accepted: 08/12/2013] [Indexed: 06/02/2023]
Abstract
It was previously shown that arbuscular mycorrhizal fungi (AMF) exert a significant improvement of growth in a tolerant white poplar (Populus alba L.) clone (AL35) grown on Cu- and Zn-polluted soil via foliar alterations in the levels of defence/stress-related transcripts and molecules. However, nothing is known about the epigenetic changes which occur during tolerance acquisition in response to heavy metals (HMs) in the same mycorrhizal vs. non-mycorrhizal poplar plants. In order to analyse the epigenome in leaves of AL35 plants inoculated or not with AMF and grown in a greenhouse on multimetal polluted or unpolluted soil, the Methylation Sensitive Amplification Polymorphism (MSAP) approach was adopted to detect cytosine DNA methylation. Modest changes in cytosine methylation patterns were detected at first sampling (4 months from planting), whereas extensive alterations (hypomethylation) occurred at second sampling (after 6 months) in mycorrhizal plants grown in the presence of HMs. The sequencing of MSAP fragments led to the identification of genes belonging to several Gene Ontology categories. Seven MSAP fragments, selected on the basis of DNA methylation status in treated vs control AL35 leaves at the end of the experiment, were analysed for their transcript levels by means of qRT-PCR. Gene expression varied in treated samples relative to controls in response to HMs and/or AMF inoculation; in particular, transcripts of genes involved in RNA processing, cell wall and amino acid metabolism were upregulated in the presence of AMF with or without HMs.
Collapse
Affiliation(s)
- Angela Cicatelli
- Dipartimento di Chimica e Biologia, Università di Salerno, 84084, Fisciano, SA, Italy
| | - Valeria Todeschini
- Dipartimento di Scienze e Innovazione Tecnologica, Università del Piemonte Orientale, 15121, Alessandria, Italy
| | - Guido Lingua
- Dipartimento di Scienze e Innovazione Tecnologica, Università del Piemonte Orientale, 15121, Alessandria, Italy
| | - Stefania Biondi
- Dipartimento BiGeA, Università di Bologna, 40126, Bologna, Italy
| | - Patrizia Torrigiani
- Dipartimento di Scienze Agrarie, Università di Bologna, 40127, Bologna, Italy
| | - Stefano Castiglione
- Dipartimento di Chimica e Biologia, Università di Salerno, 84084, Fisciano, SA, Italy.
| |
Collapse
|
5
|
Zhang S, Chen W, Xin L, Gao Z, Hou Y, Yu X, Zhang Z, Qu S. Genomic variants of genes associated with three horticultural traits in apple revealed by genome re-sequencing. HORTICULTURE RESEARCH 2014; 1:14045. [PMID: 26504548 PMCID: PMC4596325 DOI: 10.1038/hortres.2014.45] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2014] [Revised: 06/06/2014] [Accepted: 07/25/2014] [Indexed: 05/06/2023]
Abstract
The apple (Malus × domestica Borkh.) cultivar 'Su Shuai' exhibits greater disease resistance, shorter internodes and lighter fruit flavor compared with its parents 'Golden Delicious' and 'Indo'. To obtain a comprehensive overview of the sequence variation in these three horticultural traits, the genomes of 'Su Shuai' and 'Indo' were resequenced using next-generation sequencing and compared to the genome of 'Golden Delicious'. A wide range of genetic variations were detected, including 2 454 406 and 18 749 349 single nucleotide polymorphism (SNP) and 59 547 and 50 143 structural variants (SVs) in the 'Indo' and 'Su Shuai' genomes, respectively. Among the SVs in 'Su Shuai', 17 genes related to disease resistance, 10 genes related to Gibberellin (GA) and 19 genes associated with fruit flavor were identified. The expression patterns of eight of the SV genes were examined using reverse transcription-quantitative polymerase chain reaction (RT-qPCR). The results of this study illustrate the genomic variation in these cultivars and provide evidence for a genetic basis for the horticultural traits of disease resistance, short internodes and lighter flavor exhibited in these cultivars. These results provide a genetic basis for the phenotypic characteristics of 'Su Shuai' and, as such, these SVs could serve as gene-specific molecular markers in maker-assisted breeding of apples.
Collapse
Affiliation(s)
- Shijie Zhang
- College of Horticulture, Nanjing Agricultural University, Nanjing 210095, China
| | - Weiping Chen
- College of Agriculture, Nanjing Agricultural University, Nanjing 210095, China
| | - Lu Xin
- College of Horticulture, Nanjing Agricultural University, Nanjing 210095, China
| | - Zhihong Gao
- College of Horticulture, Nanjing Agricultural University, Nanjing 210095, China
| | - Yingjun Hou
- College of Horticulture, Nanjing Agricultural University, Nanjing 210095, China
| | - Xinyi Yu
- College of Horticulture, Nanjing Agricultural University, Nanjing 210095, China
| | - Zhen Zhang
- College of Horticulture, Nanjing Agricultural University, Nanjing 210095, China
| | - Shenchun Qu
- College of Horticulture, Nanjing Agricultural University, Nanjing 210095, China
| |
Collapse
|
6
|
Ma C, Lu Y, Bai S, Zhang W, Duan X, Meng D, Wang Z, Wang A, Zhou Z, Li T. Cloning and characterization of miRNAs and their targets, including a novel miRNA-targeted NBS-LRR protein class gene in apple (Golden Delicious). MOLECULAR PLANT 2014; 7:218-30. [PMID: 23880633 DOI: 10.1093/mp/sst101] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
Abstract
MicroRNA (miRNA) has emerged as an important regulator of gene expression in plants. 146 miRNAs were identified from apple (Malus domestica cv. Golden Delicious) by bioinformatic analysis and RNA library sequencing. From these, 135 were conserved and 11 were novel miRNAs. Target analysis predicted one of the novel miRNAs, Md-miRLn11 (Malus domestica microRNA Ln11), targeted an apple nucleotide-binding site (NBS)-leucine-rich repeat (LRR) class protein coding gene (Md-NBS). 5' RACE assay confirmed the ability of Md-miRLn11 to cleave Md-NBS at the 11-12-nt position. Analysis of the expression of Md-miRLn11 and Md-NBS during the optimum invasion period in 40 apple varieties showed that the expression of Md-NBS gene in resistant varieties is higher than in susceptible varieties, with an inverse pattern for Md-miRLn11. Seedlings from the resistant apple variety 'JiGuan' were used to carry out an Agrobacterium infiltration assay, and then inoculated with the apple leaf spot disease. The result showed a clear decline of disease resistance in JiGuan apples. In contrast, the susceptible variety 'FuJi' infiltrated with the Md-NBS gene showed a significant increase in disease resistance. Based on the above results, we propose that Md-miRLn11 regulates Md-NBS gene expression in particular under the condition of pathogen infection, and that the Md-miRLn11 targeting P-loop site may regulate many NBS-LRR protein class genes in woody plants.
Collapse
Affiliation(s)
- Chao Ma
- Laboratory of Fruit Cell and Molecular Breeding, China Agricultural University, Beijing 100193, China
| | | | | | | | | | | | | | | | | | | |
Collapse
|
7
|
Current World Literature. Curr Opin Allergy Clin Immunol 2012; 12:91-4. [DOI: 10.1097/aci.0b013e32834fd85c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
|