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Leeggangers HACF, Rosilio-Brami T, Bigas-Nadal J, Rubin N, van Dijk ADJ, Nunez de Caceres Gonzalez FF, Saadon-Shitrit S, Nijveen H, Hilhorst HWM, Immink RGH, Zaccai M. Tulipa gesneriana and Lilium longiflorum PEBP Genes and Their Putative Roles in Flowering Time Control. PLANT & CELL PHYSIOLOGY 2018; 59:90-106. [PMID: 29088399 DOI: 10.1093/pcp/pcx164] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2017] [Accepted: 10/24/2017] [Indexed: 05/21/2023]
Abstract
Floral induction in Tulipa gesneriana and Lilium longiflorum is triggered by contrasting temperature conditions, high and low temperature, respectively. In Arabidopsis, the floral integrator FLOWERING LOCUS T (FT), a member of the PEBP (phosphatidyl ethanolamine-binding protein) gene family, is a key player in flowering time control. In this study, one PEBP gene was identified and characterized in lily (LlFT) and three PEBP genes were isolated from tulip (TgFT1, TgFT2 and TgFT3). Overexpression of these genes in Arabidopsis thaliana resulted in an early flowering phenotype for LlFT and TgFT2, but a late flowering phenotype for TgFT1 and TgFT3. Overexpression of LlFT in L. longiflorum also resulted in an early flowering phenotype, confirming its proposed role as a flowering time-controlling gene. The tulip PEBP genes TgFT2 and TgFT3 have a similar expression pattern in tulip, but show opposite effects on the timing of flowering in Arabidopsis. Therefore, the difference between these two proteins was further investigated by interchanging amino acids thought to be important for the FT function. This resulted in the conversion of phenotypes in Arabidopsis upon overexpressing the substituted TgFT2 and TgFT3 genes, revealing the importance of these interchanged amino acid residues. Based on all obtained results, we hypothesize that LlFT is involved in creating meristem competence to flowering-related cues in lily, and TgFT2 is considered to act as a florigen involved in the floral induction in tulip. The function of TgFT3 remains unclear, but, based on our observations and phylogenetic analysis, we propose a bulb-specific function for this gene.
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Affiliation(s)
- Hendrika A C F Leeggangers
- Wageningen Seed Lab (WSL), Laboratory of Plant Physiology, Wageningen University & Research, Wageningen, The Netherlands
| | - Tamar Rosilio-Brami
- Department of Life Sciences, Ben Gurion University of the Negev, Beersheva 84105, Israel
| | - Judit Bigas-Nadal
- Wageningen Seed Lab (WSL), Laboratory of Plant Physiology, Wageningen University & Research, Wageningen, The Netherlands
| | - Noam Rubin
- Department of Life Sciences, Ben Gurion University of the Negev, Beersheva 84105, Israel
| | - Aalt D J van Dijk
- Applied Bioinformatics, Bioscience, Plant Sciences Group, Wageningen University & Research, Wageningen, The Netherlands
| | | | - Shani Saadon-Shitrit
- Department of Life Sciences, Ben Gurion University of the Negev, Beersheva 84105, Israel
| | - Harm Nijveen
- Wageningen Seed Lab (WSL), Laboratory of Plant Physiology, Wageningen University & Research, Wageningen, The Netherlands
- Bioinformatics Group, Wageningen University & Research, Wageningen, The Netherlands
| | - Henk W M Hilhorst
- Wageningen Seed Lab (WSL), Laboratory of Plant Physiology, Wageningen University & Research, Wageningen, The Netherlands
| | - Richard G H Immink
- Wageningen Seed Lab (WSL), Laboratory of Plant Physiology, Wageningen University & Research, Wageningen, The Netherlands
| | - Michele Zaccai
- Department of Life Sciences, Ben Gurion University of the Negev, Beersheva 84105, Israel
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Lipsky A, Cohen A, Ion A, Yedidia I. Genetic transformation of Ornithogalum via particle bombardment and generation of Pectobacterium carotovorum-resistant plants. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2014; 228:150-158. [PMID: 25438795 DOI: 10.1016/j.plantsci.2014.02.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2013] [Revised: 01/08/2014] [Accepted: 02/03/2014] [Indexed: 06/04/2023]
Abstract
Bacterial soft rot caused by Pectobacterium carotovorum subsp. carotovorum (Pcc) is one of the most devastating diseases of Ornithogalum species. No effective control measures are currently available to use against this pathogen; thus, introduction of resistant genes via genetic transformation into this crop is a promising approach. Tachyplesin I, an antimicrobial peptide, has been shown to effectively control numerous pathogenic bacteria, including Pcc. In this study, liquid-grown cell clusters of Ornithogalum dubium and Ornithogalum thyrsoides were bombarded with a pCAMBIA2301 vector containing a celI leader sequence fused to a gene encoding tachyplesin I, a neomycin phosphotransferase (nptII) gene that served as a selectable marker and a β-glucuronidase (GUS) gene that served as a reporter. Selection was carried out in the dark in liquid medium containing 80mg/L kanamycin. Regeneration was executed in the light after 6-14 months depending on the cultivar. Hundreds of transgenic plantlets were produced and their identity was confirmed through GUS activity assays. PCR and RT-PCR were used to confirm the presence of the target, reporter and selection genes in the divergent lines of plantlets. The resistance of the O. dubium plants to Pcc was evaluated in vitro, following infection with a highly virulent isolate from calla lily. Although control plantlets were completely macerated within a week, 87 putative transgenic subclones displayed varying levels of disease resistance. During three growing seasons in the greenhouse, the transgenic O. dubium lines grew poorly, whereas the transgenic O. thyrsoides plants grew similarly to non-transgenic plants.
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Affiliation(s)
- Alexander Lipsky
- Department of Ornamental Horticulture, ARO, The Volcani Center, Derech Hamacabim 20, P.O. Box 6, Bet Dagan 50250, Israel
| | - Avner Cohen
- Department of Ornamental Horticulture, ARO, The Volcani Center, Derech Hamacabim 20, P.O. Box 6, Bet Dagan 50250, Israel
| | - Aurel Ion
- Department of Ornamental Horticulture, ARO, The Volcani Center, Derech Hamacabim 20, P.O. Box 6, Bet Dagan 50250, Israel
| | - Iris Yedidia
- Department of Ornamental Horticulture, ARO, The Volcani Center, Derech Hamacabim 20, P.O. Box 6, Bet Dagan 50250, Israel.
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Li P, Jia J, Bai L, Pan A, Tang X. Identification and Quantification of Genetically Modified Moonshade Carnation Lines Using Conventional and TaqMan Real-Time Polymerase Chain Reaction Methods. Appl Biochem Biotechnol 2013; 170:1151-62. [DOI: 10.1007/s12010-013-0254-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2012] [Accepted: 04/21/2013] [Indexed: 12/01/2022]
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Yip MK, Huang HE, Ger MJ, Chiu SH, Tsai YC, Lin CI, Feng TY. Production of soft rot resistant calla lily by expressing a ferredoxin-like protein gene (pflp) in transgenic plants. PLANT CELL REPORTS 2007; 26:449-57. [PMID: 17033825 DOI: 10.1007/s00299-006-0246-y] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2006] [Revised: 08/30/2006] [Accepted: 09/04/2006] [Indexed: 05/12/2023]
Abstract
An efficient protocol for the Agrobacterium tumefaciens-mediated transformation of calla lily (Zantedeschia elliottiana (W. Wats.) Engl. cultivar 'Florex Gold') is described. Shoot basal discs were co-cultivated with A. tumefaciens C58C1 carrying a plasmid containing neomycin phosphotransferase (nptII) and plant ferredoxin-like protein (pflp) genes. After Agrobacterium co-cultivation, the shoot basal discs were exposed to 100 mg l(-1) kanamycin for selection. Twenty-eight out of 260 discs (10.8%) were found to have survived and produced shoot clusters. Twenty-six of these were confirmed to contain the pflp transgene by PCR, ending up in 10% transformation efficiency. The disease resistance investigation revealed that 18 transgenic plants exhibited resistance to soft rot disease caused by Erwinia carotovora subsp. carotovora. The presence of pflp gene was demonstrated by PCR, and its accumulation and activity was confirmed by Western blot and disease resistance assay. This was the first report to show the successful transformation and resistance to a bacterial pathogen in Zantedeschia. The protocol is useful for the quality improvement of calla lily through genetic transformation.
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Affiliation(s)
- Mei-Kuen Yip
- Institute of Plant and Microbial Biology, Academic Sinica, Nankang, Taipei, Taiwan, ROC
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Southgate EM, Davey MR, Power JB, Marchant R. Factors affecting the genetic engineering of plants by microprojectile bombardment. Biotechnol Adv 2003; 13:631-51. [PMID: 14536367 DOI: 10.1016/0734-9750(95)02008-x] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Since its development in the mid-1980s, microprojectile bombardment has been widely employed as a method for direct gene transfer into a wide range of plants, including the previously difficult-to-transform monocotyledonous species. Although the numerous instruments available for microprojectile-mediated gene delivery and their applications have been widely discussed, less attention has been paid to the critical factors which affect the efficiency of this method of gene delivery. In this review we do not wish to describe the array of devices used for microprojectile delivery or their uses which have already been definitively described, but instead wish to report on research developments investigating the factors which affect microprojectile-mediated transformation of plants.
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Affiliation(s)
- E M Southgate
- Plant Genetic Manipulation Group, Department of Life Science, University of Nottingham, UK
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Annadana S, Beekwilder MJ, Kuipers G, Visser PB, Outchkourov N, Pereira A, Udayakumar M, De Jong J, Jongsma MA. Cloning of the chrysanthemum UEP1 promoter and comparative expression in florets and leaves of Dendranthema grandiflora. Transgenic Res 2002; 11:437-45. [PMID: 12212845 DOI: 10.1023/a:1016313924844] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
To attain high transgene expression in petal tissue of ray florets of chrysanthemum an endogenous ubiquitin extension protein (UEP1) promoter was cloned and tested with the beta-glucuronidase (GUS) reporter gene. Expression levels were compared with four heterologous promoters: chalcone synthase (chs-A) and zinc finger transcription factor (EPF2-5) from petunia, eceriferum (CER6) from Arabidopsis and multicystatin (PMC) from potato. The comparison of the expression levels of the different constructs in ray florets, disc florets, and leaves is presented. The highest mean expression in petal tissue of ray and disc florets was conferred by the UEP1 promoter, followed by CER6 and EPF2-5. The UEP1 promoter in ray florets confers over 50-fold enhancement in expression as compared to CaMV 35S-based promoters.
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Affiliation(s)
- S Annadana
- Department of Crop Physiology, University of Agricultural Sciences, Bangalore, India
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Pletsch M, de Araujo BS, Charlwood BV. Novel biotechnological approaches in environmental remediation research. Biotechnol Adv 1999; 17:679-87. [PMID: 14538122 DOI: 10.1016/s0734-9750(99)00028-2] [Citation(s) in RCA: 57] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Two novel approaches, the use of Agrobacterium-transformed plant roots and mycelia cultures of fungi, are considered as research tools in the study of the remediation of soil, groundwater, and biowastes. Transformed roots are excellent model systems for screening higher plants that are tolerant of various inorganic and organic pollutants, and for determining the role of the root matrix in the uptake and further metabolism of contaminants. Edible and/or medicinal fungi may also be natural environmental remediators. Liquid cultures of fungal mycelia are appropriate model systems with which to commence screening and biochemical studies in this under-researched area of biotransformation.
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Affiliation(s)
- M Pletsch
- Universidade Federal de Alagoas, CCEN, Departamento de Química, Campus Universitário, Tabuleiro dos Martins, 57072-970 Maceió, Alagoas, Brazil.
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Kamo K. Factors affectingAgrobacterium tumefaciens-mediatedgusA expression and opine synthesis inGladiolus. PLANT CELL REPORTS 1997; 16:389-392. [PMID: 30727647 DOI: 10.1007/bf01146779] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/1996] [Revised: 07/08/1996] [Accepted: 09/27/1996] [Indexed: 06/09/2023]
Abstract
Five tumorigenic strains ofAgrobacterium tumefaciens were used to inoculate corms, cormels, plants grown in vitro, and seed-derived seedlings of several cultivars ofGladiolus. Tumors formed on 12% of the plant tissues inoculated, and 1% of these tumors synthesized either octopine or nopaline.A. tumefaciens-mediatedβ-glu-curonidase (GUS) expression showed 0.5% and 3.5% GUS expression for plants grown in vitro and regenerable callus, respectively. GUS expression ranged from 40% to 61% whenA. tumefaciens was incubated with leaves from seedlings grown in the dark, whereas leaves from seedlings grown under a 16-h light photoperiod showed no GUS, indicating the significant effect of etiolation on transient GUS expression mediated byA. tumefaciens.
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Affiliation(s)
- K Kamo
- United States Department of Agriculture National Arboretum, Floral and Nursery Plants Research Unit, B-010A Room 238, BARC West, 20705-2350, Beltsville, MD, USA
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Natural genetic engineering of plant cells: the molecular biology of crown gall and hairy root disease. World J Microbiol Biotechnol 1996; 12:327-51. [DOI: 10.1007/bf00340209] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Revised: 02/07/1996] [Accepted: 02/10/1996] [Indexed: 11/26/2022]
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Wilmink A, van de Ven BC, Dons JJ. Activity of constitutive promoters in various species from the Liliaceae. PLANT MOLECULAR BIOLOGY 1995; 28:949-55. [PMID: 7640366 DOI: 10.1007/bf00042079] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
In this paper we first review literature on the performance of various promoters in monocotyledonous species. In general, promoters isolated from monocots show a higher activity in monocot species. Moreover, the presence of an intron between the promoter and reporter gene increases transcription levels. We used the same approach to study gene expression in Liliaceae. The activities of the CaMV 35S, maize Adh1-based pEmu, rice Act1 and maize Ubi promoters, coupled to the beta-glucuronidase (gus) reporter gene, were evaluated for transient gene expression upon particle bombardment of tissues of tobacco, rice, tulip, lily and leek. Although monocot promoters performed very well in rice tissues, the results of this study show that this cannot be generalized for other monocot species. The transcription inducing effects of monocot promoters were less pronounced or even absent in tissues of Liliaceae, while the presence of an intron between promoter and gus gene reduced promoter activity.
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Affiliation(s)
- A Wilmink
- Department of Developmental Biology, Centre for Plant Breeding and Reproduction Research (CPRO-DLO), Wageningen, Netherlands
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