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Rahman SU, Khan MO, Ullah R, Ahmad F, Raza G. Agrobacterium-Mediated Transformation for the Development of Transgenic Crops; Present and Future Prospects. Mol Biotechnol 2023:10.1007/s12033-023-00826-8. [PMID: 37573566 DOI: 10.1007/s12033-023-00826-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2022] [Accepted: 07/14/2023] [Indexed: 08/15/2023]
Abstract
Plant transformation based on Agrobacterium-mediated transformation is a technique that mimics the natural agrobacterium system for gene(s) introduction into crops. Through this technique, various crop species have been improved/modified for different trait/s, showing a successful genetic transformation so far. This technique has many advantages over other transformation methods such as stable integration of transgene, cost effective. However, there are many limitations of this technology such as mostly the crops are recalcitrant to agrobacterium, low transformation efficiency, transgene integration as well as off targets. So, it's very important to explore the major limitations and possible solutions for Agrobacterium-mediated transformation in order to increase its genetic transformation efficiency. Therefore, the present review article gives a comprehensive study how the transgenic crops are developed using Agrobacterium-mediated transformation, crops that have already been modified through this method, and risks associated with transgenic plants based on Agrobacterium-mediated transformation. Moreover, the challenges and problems associated with Agrobacterium-mediated transformation and how those problems can be solved in future for a successful genetic transformation of crops using modern biotechnology techniques such as CRISPR/Cas9 systems. The present review article will be really helpful for the audience those working on Genome editing of crops using Agrobacterium-mediated transformation and will opens many ways for future plant genetic transformation.
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Affiliation(s)
- Saleem Ur Rahman
- National Institute for Biotechnology and Genetic Engineering (NIBGE), Constituent College Pakistan Institute of Engineering and Applied Sciences (PIEAS), Jhang Road, Faisalabad, Pakistan
| | - Muhammad Omar Khan
- National Institute for Biotechnology and Genetic Engineering (NIBGE), Constituent College Pakistan Institute of Engineering and Applied Sciences (PIEAS), Jhang Road, Faisalabad, Pakistan
| | - Rahim Ullah
- Department of Biotechnology, Shahid Benazir Bhatoo University Sheringal, Upper Dir, Khyber Pakhtunkhwa, Pakistan
| | - Fayaz Ahmad
- Agriculture Research Institute (ARI), Swat, Mingora, Khyber Pakhtunkhwa, Pakistan
| | - Ghulam Raza
- National Institute for Biotechnology and Genetic Engineering (NIBGE), Constituent College Pakistan Institute of Engineering and Applied Sciences (PIEAS), Jhang Road, Faisalabad, Pakistan.
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Zhang P, Liu J, Jia N, Wang M, Lu Y, Wang D, Zhang J, Zhang H, Wang X. Genome-wide identification and characterization of the bZIP gene family and their function in starch accumulation in Chinese chestnut ( Castanea mollissima Blume). FRONTIERS IN PLANT SCIENCE 2023; 14:1166717. [PMID: 37077628 PMCID: PMC10106562 DOI: 10.3389/fpls.2023.1166717] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Accepted: 03/21/2023] [Indexed: 05/03/2023]
Abstract
The transcription factors of basic leucine zipper (bZIP) family genes play significant roles in stress response as well as growth and development in plants. However, little is known about the bZIP gene family in Chinese chestnut (Castanea mollissima Blume). To better understand the characteristics of bZIPs in chestnut and their function in starch accumulation, a series of analyses were performed including phylogenetic, synteny, co-expression and yeast one-hybrid analyses. Totally, we identified 59 bZIP genes that were unevenly distributed in the chestnut genome and named them CmbZIP01 to CmbZIP59. These CmbZIPs were clustered into 13 clades with clade-specific motifs and structures. A synteny analysis revealed that segmental duplication was the major driving force of expansion of the CmbZIP gene family. A total of 41 CmbZIP genes had syntenic relationships with four other species. The results from the co-expression analyses indicated that seven CmbZIPs in three key modules may be important in regulating starch accumulation in chestnut seeds. Yeast one-hybrid assays showed that transcription factors CmbZIP13 and CmbZIP35 might participate in starch accumulation in the chestnut seed by binding to the promoters of CmISA2 and CmSBE1_2, respectively. Our study provided basic information on CmbZIP genes, which can be utilized in future functional analysis and breeding studies.
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Affiliation(s)
- Penglong Zhang
- Engineering Research Center of Chestnut Industry Technology, Ministry of Education, Qinhuangdao, Hebei, China
- Hebei Key Laboratory of Horticultural Germplasm Excavation and Innovative Utilization, College of Horticulture Science and Technology, Hebei Normal University of Science and Technology, Changli, Hebei, China
| | - Jing Liu
- Engineering Research Center of Chestnut Industry Technology, Ministry of Education, Qinhuangdao, Hebei, China
- Hebei Key Laboratory of Horticultural Germplasm Excavation and Innovative Utilization, College of Horticulture Science and Technology, Hebei Normal University of Science and Technology, Changli, Hebei, China
| | - Nan Jia
- Changli Institute of Pomology, Hebei Academy of Agriculture and Forestry Science, Changli, Hebei, China
| | - Meng Wang
- Engineering Research Center of Chestnut Industry Technology, Ministry of Education, Qinhuangdao, Hebei, China
| | - Yi Lu
- Engineering Research Center of Chestnut Industry Technology, Ministry of Education, Qinhuangdao, Hebei, China
| | - Dongsheng Wang
- Hebei Key Laboratory of Horticultural Germplasm Excavation and Innovative Utilization, College of Horticulture Science and Technology, Hebei Normal University of Science and Technology, Changli, Hebei, China
| | - Jingzheng Zhang
- Hebei Key Laboratory of Horticultural Germplasm Excavation and Innovative Utilization, College of Horticulture Science and Technology, Hebei Normal University of Science and Technology, Changli, Hebei, China
| | - Haie Zhang
- Engineering Research Center of Chestnut Industry Technology, Ministry of Education, Qinhuangdao, Hebei, China
- Hebei Key Laboratory of Horticultural Germplasm Excavation and Innovative Utilization, College of Horticulture Science and Technology, Hebei Normal University of Science and Technology, Changli, Hebei, China
| | - Xuan Wang
- Engineering Research Center of Chestnut Industry Technology, Ministry of Education, Qinhuangdao, Hebei, China
- Hebei Key Laboratory of Horticultural Germplasm Excavation and Innovative Utilization, College of Horticulture Science and Technology, Hebei Normal University of Science and Technology, Changli, Hebei, China
- *Correspondence: Xuan Wang,
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Hu CH, Wang PQ, Zhang PP, Nie XM, Li BB, Tai L, Liu WT, Li WQ, Chen KM. NADPH Oxidases: The Vital Performers and Center Hubs during Plant Growth and Signaling. Cells 2020; 9:E437. [PMID: 32069961 PMCID: PMC7072856 DOI: 10.3390/cells9020437] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2020] [Revised: 02/08/2020] [Accepted: 02/10/2020] [Indexed: 12/14/2022] Open
Abstract
NADPH oxidases (NOXs), mostly known as respiratory burst oxidase homologs (RBOHs), are the key producers of reactive oxygen species (ROS) in plants. A lot of literature has addressed ROS signaling in plant development regulation and stress responses as well as on the enzyme's structure, evolution, function, regulation and associated mechanisms, manifesting the role of NOXs/RBOHs as the vital performers and center hubs during plant growth and signaling. This review focuses on recent advances of NOXs/RBOHs on cell growth, hormone interaction, calcium signaling, abiotic stress responses, and immunity. Several primary particles, including Ca2+, CDPKs, BIK1, ROPs/RACs, CERK, FER, ANX, SnRK and SIK1-mediated regulatory mechanisms, are fully summarized to illustrate the signaling behavior of NOXs/RBOHs and their sophisticated and dexterous crosstalks. Diverse expression and activation regulation models endow NOXs/RBOHs powerful and versatile functions in plants to maintain innate immune homeostasis and development integrity. NOXs/RBOHs and their related regulatory items are the ideal targets for crop improvement in both yield and quality during agricultural practices.
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Affiliation(s)
- Chun-Hong Hu
- State Key Laboratory of Crop Stress Biology in Arid Areas, College of Life Sciences, Northwest A&F University, Yangling 712100, Shaanxi, China
- College of Life Science and Agronomy, Zhoukou Normal University, Zhoukou 466000, Henan, China
| | - Peng-Qi Wang
- School of Life Sciences, Tsinghua University, Beijing 100084, China
| | - Peng-Peng Zhang
- State Key Laboratory of Crop Stress Biology in Arid Areas, College of Life Sciences, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Xiu-Min Nie
- State Key Laboratory of Crop Stress Biology in Arid Areas, College of Life Sciences, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Bin-Bin Li
- State Key Laboratory of Crop Stress Biology in Arid Areas, College of Life Sciences, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Li Tai
- State Key Laboratory of Crop Stress Biology in Arid Areas, College of Life Sciences, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Wen-Ting Liu
- State Key Laboratory of Crop Stress Biology in Arid Areas, College of Life Sciences, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Wen-Qiang Li
- State Key Laboratory of Crop Stress Biology in Arid Areas, College of Life Sciences, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Kun-Ming Chen
- State Key Laboratory of Crop Stress Biology in Arid Areas, College of Life Sciences, Northwest A&F University, Yangling 712100, Shaanxi, China
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El Sarraf N, Gurel F, Tufan F, McGuffin LJ. Characterisation of HvVIP1 and expression profile analysis of stress response regulators in barley under Agrobacterium and Fusarium infections. PLoS One 2019; 14:e0218120. [PMID: 31199821 PMCID: PMC6570034 DOI: 10.1371/journal.pone.0218120] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2019] [Accepted: 05/27/2019] [Indexed: 01/23/2023] Open
Abstract
Arabidopsis thaliana's VirE2-Interacting Protein 1 (VIP1) interacts with Agrobacterium tumefaciens VirE2 protein and regulates stress responses and plant immunity signaling occurring downstream of the Mitogen-Activated Protein Kinase (MPK3) signal transduction pathway. In this study, a full-length cDNA of 972bp encoding HvVIP1 was obtained from barley (Hordeum vulgare L.) leaves. A corresponding 323 amino acid poly-peptide was shown to carry the conserved bZIP (Basic Leucine Zipper) domain within its 157th and 223rd amino acid residue. 13 non-synonymous SNPs were spotted within the HvVIP1 bZIP domain sequence when compared with AtVIP1. Moreover, minor differences in the bZIP domain locations and lengths were noted when comparing Arabidopsis thaliana and Hordeum vulgare VIP1 proteins through the 3D models, structural domain predictions and disorder prediction profiling. The expression of HvVIP1 was stable in barley tissues infected by pathogen (whether Agrobacterium tumefaciens or Fusarium culmorum), but was induced at specific time points. We found a strong correlation between the transcript accumulation of HvVIP1 and barley PR- genes HvPR1, HvPR4 and HvPR10, but not with HvPR3 and HvPR5, probably due to low induction of those particular genes. In addition, a gene encoding for a member of the barley MAPK family, HvMPK1, showed significantly higher expression after pathogenic infection of barley cells. Collectively, our results might suggest that early expression of PR genes upon infection in barley cells play a pivotal role in the Agrobacterium-resistance of this plant.
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Affiliation(s)
- Nadia El Sarraf
- Department of Agriculture and Food Engineering, University of Balamand, Koura, Lebanon
- * E-mail:
| | - Filiz Gurel
- Department of Molecular Biology and Genetics, Istanbul University, Istanbul, Turkey
| | - Feyza Tufan
- Institute of Science, Program of Molecular Biology and Genetics, Istanbul University, Istanbul, Turkey
| | - Liam J. McGuffin
- School of Biological Sciences, University of Reading, Whiteknights, Reading, Berkshire, United Kingdom
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Zhao P, Wang K, Lin Z, Zhang W, Du L, Zhang Y, Ye X. Cloning and characterization of TaVIP2 gene from Triticum aestivum and functional analysis in Nicotiana tabacum. Sci Rep 2016; 6:37602. [PMID: 27857194 PMCID: PMC5114603 DOI: 10.1038/srep37602] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2016] [Accepted: 11/01/2016] [Indexed: 11/23/2022] Open
Abstract
Wheat is recalcitrant to genetic transformation. A potential solution is to manipulate the expression of some host proteins involved in T-DNA integration process. VirE2 interacting protein 2 (VIP2) plays an important role in T-DNA transport and integration. In this study, a TaVIP2 gene was cloned from common wheat. Southern blot and allele-specific polymerase chain reaction (AS-PCR) combined with an online chromosomal location software tool revealed that three TaVIP2 genes were located on wheat chromosomes 1AL, 1BL, and 1DL. These three homoeoallelic TaVIP2 genes all contained 13 exons and 12 introns, and their coding sequences were the same; there were a few single nucleotide polymorphisms (SNPs) among the three genes. The heterologous expression of the TaVIP2 gene in tobacco led to enhancement of the Agrobacterium-mediated transformation efficiency up to 2.5-fold. Transgenic tobacco plants expressing TaVIP2 showed enhanced resistance to powdery mildew. Further quantitative real-time PCR (qRT-PCR) revealed that overexpression of TaVIP2 in transgenic tobacco up-regulated the expression of an endogenous gene, NtPR-1, which likely contributed to powdery mildew resistance in transgenic tobacco. Our study indicates that the TaVIP2 gene may be highly useful in efforts to improve Agrobacterium-mediated transformation efficiency and to enhance powdery mildew resistance in wheat.
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Affiliation(s)
- Pei Zhao
- Institute of Crop Science, Chinese Academy of Agricultural Sciences, Beijing 100081, P.R. China
| | - Ke Wang
- Institute of Crop Science, Chinese Academy of Agricultural Sciences, Beijing 100081, P.R. China
| | - Zhishan Lin
- Institute of Crop Science, Chinese Academy of Agricultural Sciences, Beijing 100081, P.R. China
| | - Wei Zhang
- Institute of Crop Science, Chinese Academy of Agricultural Sciences, Beijing 100081, P.R. China
| | - Lipu Du
- Institute of Crop Science, Chinese Academy of Agricultural Sciences, Beijing 100081, P.R. China
| | - Yunlong Zhang
- Institute of Crop Science, Chinese Academy of Agricultural Sciences, Beijing 100081, P.R. China
| | - Xingguo Ye
- Institute of Crop Science, Chinese Academy of Agricultural Sciences, Beijing 100081, P.R. China
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Zhang YM, Liu ZH, Yang RJ, Li GL, Guo XL, Zhang HN, Zhang HM, Di R, Zhao QS, Zhang MC. Improvement of soybean transformation via Agrobacterium tumefaciens methods involving α-aminooxyacetic acid and sonication treatments enlightened by gene expression profile analysis. PLANT CELL REPORTS 2016; 35:1259-71. [PMID: 26960402 DOI: 10.1007/s00299-016-1958-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2015] [Accepted: 02/17/2016] [Indexed: 05/26/2023]
Abstract
KEY MESSAGE Antagonists and sonication treatment relieved the structural barriers of Agrobacterium entering into cells; hindered signal perception and transmission; alleviated defense responses and increased cell susceptibility to Agrobacterium infection. Soybean gene expression analysis was performed to elucidate the general response of soybean plant to Agrobacterium at an early stage of infection. Agrobacterium infection stimulated the PAMPs-triggered immunity (BRI1, BAK1, BZR1, FLS2 and EFR) and effector-triggered immunity (RPM1, RPS2, RPS5, RIN4, and PBS1); up-regulated the transcript factors (WRKY25, WRKY29, MEKK1P, MKK4/5P and MYC2) in MAPK pathway; strengthened the biosynthesis of flavonoid and isoflavonoid in the second metabolism; finally led to a fierce defense response of soybean to Agrobacterium infection and thereby lower transformation efficiency. To overcome it, antagonist α-aminooxyacetic acid (AOA) and sonication treatment along with Agrobacterium infection were applied. This novel method dramatically decreased the expression of genes coding for F3'H, HCT, β-glucosidase and IF7GT, etc., which are important for isoflavone biosynthesis or the interconversion of aglycones and glycon; genes coding for peroxidase, FLS2, PBS1 and transcription factor MYC2, etc., which are important components in plant-pathogen interaction; and genes coding for GPAT and α-L-fucosidase, which are important in polyesters formation in cell membrane and the degradation of fucose-containing glycoproteins and glycolipids on the external surface of cell membrane, respectively. This analysis implied that AOA and sonication treatment not only relieved the structural membrane barriers of Agrobacterium entering into cells, but also hindered the perception of 'invasion' signal on cell membrane and intercellular signal transmission, thus effectively alleviated the defense responses and increased the cell susceptibility to Agrobacterium infection. All these factors benefit the transformation process; other measures should also be further explored to improve soybean transformation.
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Affiliation(s)
- Yan-Min Zhang
- Institute of Genetics and Physiology, Plant Genetic Engineering Center of Hebei Province, Hebei Academy of Agriculture and Forestry Sciences, Shijiazhuang, 050051, China
| | - Zi-Hui Liu
- Institute of Genetics and Physiology, Plant Genetic Engineering Center of Hebei Province, Hebei Academy of Agriculture and Forestry Sciences, Shijiazhuang, 050051, China
| | - Rui-Juan Yang
- Institute of Genetics and Physiology, Plant Genetic Engineering Center of Hebei Province, Hebei Academy of Agriculture and Forestry Sciences, Shijiazhuang, 050051, China
| | - Guo-Liang Li
- Institute of Genetics and Physiology, Plant Genetic Engineering Center of Hebei Province, Hebei Academy of Agriculture and Forestry Sciences, Shijiazhuang, 050051, China
| | - Xiu-Lin Guo
- Institute of Genetics and Physiology, Plant Genetic Engineering Center of Hebei Province, Hebei Academy of Agriculture and Forestry Sciences, Shijiazhuang, 050051, China
| | - Hua-Ning Zhang
- Institute of Genetics and Physiology, Plant Genetic Engineering Center of Hebei Province, Hebei Academy of Agriculture and Forestry Sciences, Shijiazhuang, 050051, China
| | - Hong-Mei Zhang
- Institute of Genetics and Physiology, Plant Genetic Engineering Center of Hebei Province, Hebei Academy of Agriculture and Forestry Sciences, Shijiazhuang, 050051, China.
| | - Rui Di
- Institute of Food and Oil Crops, Hebei Academy of Agriculture and Forestry Sciences, Shijiazhuang, 050035, China
| | - Qing-Song Zhao
- Institute of Food and Oil Crops, Hebei Academy of Agriculture and Forestry Sciences, Shijiazhuang, 050035, China
| | - Meng-Chen Zhang
- Institute of Food and Oil Crops, Hebei Academy of Agriculture and Forestry Sciences, Shijiazhuang, 050035, China.
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Liu Y, He C. Regulation of plant reactive oxygen species (ROS) in stress responses: learning from AtRBOHD. PLANT CELL REPORTS 2016; 35:995-1007. [PMID: 26883222 DOI: 10.1007/s00299-016-1950-x] [Citation(s) in RCA: 115] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2015] [Accepted: 02/02/2016] [Indexed: 05/18/2023]
Abstract
Reactive oxygen species (ROS) are constantly produced in plants, as the metabolic by-products or as the signaling components in stress responses. High levels of ROS are harmful to plants. In contrast, ROS play important roles in plant physiology, including abiotic and biotic tolerance, development, and cellular signaling. Therefore, ROS production needs to be tightly regulated to balance their function. Respiratory burst oxidase homologue (RBOH) proteins, also known as plant nicotinamide adenine dinucleotide phosphate oxidases, are well studied enzymatic ROS-generating systems in plants. The regulatory mechanisms of RBOH-dependent ROS production in stress responses have been intensively studied. This has greatly advanced our knowledge of the mechanisms that regulate plant ROS production. This review attempts to integrate the regulatory mechanisms of RBOHD-dependent ROS production by discussing the recent advance. AtRBOHD-dependent ROS production could provide a valuable reference for studying ROS production in plant stress responses.
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Affiliation(s)
- Yukun Liu
- Key Laboratory for Forest Resources Conservation and Utilization in the Southwest Mountains of China, Ministry of Education, College of Forestry, Southwest Forestry University, 300 Bailong Si, Kunming, 650224, Yunnan, People's Republic of China.
- Key Laboratory for Forest Genetic and Tree Improvement and Propagation in Universities of Yunnan Province, College of Forestry, Southwest Forestry University, 300 Bailong Si, Kunming, 650224, Yunnan, People's Republic of China.
| | - Chengzhong He
- Key Laboratory for Forest Genetic and Tree Improvement and Propagation in Universities of Yunnan Province, College of Forestry, Southwest Forestry University, 300 Bailong Si, Kunming, 650224, Yunnan, People's Republic of China
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Bourras S, Rouxel T, Meyer M. Agrobacterium tumefaciens Gene Transfer: How a Plant Pathogen Hacks the Nuclei of Plant and Nonplant Organisms. PHYTOPATHOLOGY 2015; 105:1288-1301. [PMID: 26151736 DOI: 10.1094/phyto-12-14-0380-rvw] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Agrobacterium species are soilborne gram-negative bacteria exhibiting predominantly a saprophytic lifestyle. Only a few of these species are capable of parasitic growth on plants, causing either hairy root or crown gall diseases. The core of the infection strategy of pathogenic Agrobacteria is a genetic transformation of the host cell, via stable integration into the host genome of a DNA fragment called T-DNA. This genetic transformation results in oncogenic reprogramming of the host to the benefit of the pathogen. This unique ability of interkingdom DNA transfer was largely used as a tool for genetic engineering. Thus, the artificial host range of Agrobacterium is continuously expanding and includes plant and nonplant organisms. The increasing availability of genomic tools encouraged genome-wide surveys of T-DNA tagged libraries, and the pattern of T-DNA integration in eukaryotic genomes was studied. Therefore, data have been collected in numerous laboratories to attain a better understanding of T-DNA integration mechanisms and potential biases. This review focuses on the intranuclear mechanisms necessary for proper targeting and stable expression of Agrobacterium oncogenic T-DNA in the host cell. More specifically, the role of genome features and the putative involvement of host's transcriptional machinery in relation to the T-DNA integration and effects on gene expression are discussed. Also, the mechanisms underlying T-DNA integration into specific genome compartments is reviewed, and a theoretical model for T-DNA intranuclear targeting is presented.
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Affiliation(s)
- Salim Bourras
- First, second, and third authors: INRA, UMR 1290 INRA-AgroParisTech BIOGER, Avenue Lucien Brétignières, BP 01, F-78850 Thiverval-Grignon, France
| | - Thierry Rouxel
- First, second, and third authors: INRA, UMR 1290 INRA-AgroParisTech BIOGER, Avenue Lucien Brétignières, BP 01, F-78850 Thiverval-Grignon, France
| | - Michel Meyer
- First, second, and third authors: INRA, UMR 1290 INRA-AgroParisTech BIOGER, Avenue Lucien Brétignières, BP 01, F-78850 Thiverval-Grignon, France
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Li Y, Chen YY, Wang F, Xu ZS, Jiang Q, Xiong AS. Isolation and characterization of the Agvip1 gene and response to abiotic and metal ions stresses in three celery cultivars. Mol Biol Rep 2014; 41:6003-11. [DOI: 10.1007/s11033-014-3478-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2014] [Accepted: 06/14/2014] [Indexed: 10/25/2022]
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10
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Chumakov MI. Protein apparatus for horizontal transfer of agrobacterial T-DNA to eukaryotic cells. BIOCHEMISTRY (MOSCOW) 2013; 78:1321-32. [DOI: 10.1134/s000629791312002x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Zaltsman A, Krichevsky A, Kozlovsky SV, Yasmin F, Citovsky V. Plant defense pathways subverted by Agrobacterium for genetic transformation. PLANT SIGNALING & BEHAVIOR 2010; 5:1245-8. [PMID: 20890133 PMCID: PMC3115358 DOI: 10.4161/psb.5.10.12947] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2010] [Accepted: 07/07/2010] [Indexed: 05/25/2023]
Abstract
The soil phytopathogen Agrobacterium has the unique ability to introduce single-stranded transferred DNA (T-DNA) from its tumor-inducing (Ti) plasmid into the host cell in a process known as horizontal gene transfer. Following its entry into the host cell cytoplasm, the T-DNA associates with the bacterial virulence (Vir) E2 protein, also exported from Agrobacterium, creating the T-DNA nucleoprotein complex (T-complex), which is then translocated into the nucleus where the DNA is integrated into the host chromatin. VirE2 protects the T-DNA from the host DNase activities, packages it into a helical filament, and interacts with the host proteins, one of which, VIP1, facilitates nuclear import of the T-complex and its subsequent targeting to the host chromatin. Although the VirE2 and VIP1 protein components of the T-complex are vital for its intracellular transport, they must be removed to expose the T-DNA for integration. Our recent work demonstrated that this task is aided by an host defense-related F-box protein VBF that is induced by Agrobacterium infection and that recognizes and binds VIP1. VBF destabilizes VirE2 and VIP1 in yeast and plant cells, presumably via SCF-mediated proteasomal degradation. VBF expression in and export from the Agrobacterium cell lead to increased tumorigenesis. Here, we discuss these findings in the context of the "arms race" between Agrobacterium infectivity and plant defense.
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Affiliation(s)
- Adi Zaltsman
- Department of Biochemistry and Cell Biology, State University of New York, Stony Brook, NY, USA.
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