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Royan S, Shirzadian-Khorramabad R, Zibaee A, Bagherieh-Najjar MB, Nazarian-Firouzabadi F. Expression of a novel NaD1 recombinant antimicrobial peptide enhances antifungal and insecticidal activities. Sci Rep 2024; 14:23235. [PMID: 39369025 DOI: 10.1038/s41598-024-73710-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2024] [Accepted: 09/20/2024] [Indexed: 10/07/2024] Open
Abstract
This study aimed to increase the antifungal and insecticidal activities of NaD1, as an antimicrobial peptides (AMP), by improving its interaction with the fungal cell wall and chitin monomeric units in insect midguts. Hence, the chitin-binding domains (CBDs) of wheat germ agglutinin protein (WGA) were fused to either N- or C-terminus of NaD1 generating transgenic Nicotiana tabacum hairy roots (HRs). Molecular assessments confirmed the integration of NaD1 transgenes, their transcription and production of recombinant peptides in the HR lines. Total protein of (CBD)4-NaD1 and NaD1-(CBD)4 transgenic lines inhibited the growth of Pyricularia oryzae mycelium, suggesting that fusion of CBD to NaD1 can increase NaD1 half-life, leading to higher affinity toward cell wall chitin. Furthermore, feeding the third-instar larvae of Chilo suppressalis with both (CBD)4-NaD1 and NaD1-(CBD)4 extracts exhibited a higher mortality rate. Both NaD1-CBDs caused a significant decrease in trypsin (TRY) and chymotrypsin (CTR) activities in the larvae, while enhancing the activity of antioxidant enzymes CAT, POD, APX, and SOD. Therefore, feeding the larvae by total extract of NaD1-(CBD)4 and (CBD)4-NaD1 HR lines probably increased affinity to midgut chitin in C. suppressalis, enhancing insecticidal activities. Overall, the results indicate that recombinant peptides are effective in enhancing fungal and insect resistance.
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Affiliation(s)
- Sara Royan
- Department of Agricultural Biotechnology, Faculty of Agricultural Sciences, University of Guilan, Rasht, Iran
| | - Reza Shirzadian-Khorramabad
- Department of Agricultural Biotechnology, Faculty of Agricultural Sciences, University of Guilan, Rasht, Iran.
| | - Arash Zibaee
- Department of Plant Protection, Faculty of Agricultural Sciences, University of Guilan, Rasht, Iran
| | | | - Farhad Nazarian-Firouzabadi
- Production Engineering and Plant Genetic Department, Faculty of Agriculture, Lorestan University, Khorramabad, Iran
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Khaliq B, Falke S, Saeed Q, Bilal M, Munawar A, Ali A, Baermann G, Athar HUR, Mahmood S, Betzel C, Ali Q, Akrem A. Eruca sativa seed napin structural insights and thorough functional characterization. Sci Rep 2021; 11:24066. [PMID: 34911985 PMCID: PMC8674280 DOI: 10.1038/s41598-021-02174-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Accepted: 11/01/2021] [Indexed: 11/09/2022] Open
Abstract
A potent napin protein has been thoroughly characterized from seeds of rocket salad (Eruca sativa). Eruca sativa napin (EsNap) was purified by ammonium sulfate precipitation (70%) and size-exclusion chromatography. Single intact 16 kDa EsNap band was reduced to 11 and 5 kDa bands respectively on SDS-PAGE. Nano LC-MS/MS yielded two fragments comprising of 26 residues which showed 100% sequence identity with napin-3 of Brassica napus. CD spectroscopy indicated a dominant α-helical structure of EsNap. Monodispersity of EsNap was verified by dynamic light scattering, which also confirmed the monomeric status with a corresponding hydrodynamic radius of 2.4 ± 0.2 nm. An elongated ab initio shape of EsNap was calculated based on SAXS data, with an Rg of 1.96 ± 0.1 nm. The ab initio model calculated by DAMMIF with P1 symmetry and a volume of approx. 31,100 nm3, which corresponded to a molecular weight of approximately 15.5 kDa. The comparison of the SAXS and ab initio modeling showed a minimized χ2-value of 1.87, confirming a similar molecular structure. A homology model was predicted using the coordinate information of Brassica napus rproBnIb (PDB ID: 1SM7). EsNap exhibited strong antifungal activity by significantly inhibiting the growth of Fusarium graminearum. EsNap also showed cytotoxicity against the hepatic cell line Huh7 and the obtained IC50 value was 20.49 µM. Further, strong entomotoxic activity was experienced against different life stages of stored grain insect pest T. castaneum. The result of this study shows insights that can be used in developing potential antifungal, anti-cancerous and insect resistance agents in the future using EsNap from E. sativa.
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Affiliation(s)
- Binish Khaliq
- Botany Division, Institute of Pure and Applied Biology, Bahauddin Zakariya University, Multan, Pakistan.,Botany Division Institute of Molecular Biology and Biotechnology, The University of Lahore, Lahore, Pakistan
| | - Sven Falke
- Laboratory for Structural Biology of Infection and Inflammation, The Hamburg Centre for Ultrafast Imaging, University of Hamburg, c/o DESY. Build. 22a, Notkestrasse 85, 22607, Hamburg, Germany
| | - Qamar Saeed
- Department of Entomology, Bahauddin Zakariya University, Multan, Pakistan
| | - Muhammad Bilal
- Centre for Applied Molecular Biology, University of Punjab, Lahore, Pakistan
| | - Aisha Munawar
- Department of Chemistry, University of Engineering and Technology, G.T. Road, Lahore, 54890, Pakistan
| | - Arslan Ali
- Dr. Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences, University of Karachi, Karachi, Pakistan
| | - Gunnar Baermann
- Molekulare Phytopathologie, Universität Hamburg, Biozentrum Klein Flottbek Ohnhorststr, 1822609, Hamburg, Germany
| | - Habib-Ur-Rehman Athar
- Botany Division, Institute of Pure and Applied Biology, Bahauddin Zakariya University, Multan, Pakistan
| | - Seema Mahmood
- Botany Division, Institute of Pure and Applied Biology, Bahauddin Zakariya University, Multan, Pakistan
| | - Christian Betzel
- Laboratory for Structural Biology of Infection and Inflammation, The Hamburg Centre for Ultrafast Imaging, University of Hamburg, c/o DESY. Build. 22a, Notkestrasse 85, 22607, Hamburg, Germany
| | - Qurban Ali
- Botany Division Institute of Molecular Biology and Biotechnology, The University of Lahore, Lahore, Pakistan.
| | - Ahmed Akrem
- Botany Division, Institute of Pure and Applied Biology, Bahauddin Zakariya University, Multan, Pakistan.
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Pereyra-Bistraín LI, Ovando-Vázquez C, Rougon-Cardoso A, Alpuche-Solís ÁG. Comparative RNA-Seq Analysis Reveals Potentially Resistance-Related Genes in Response to Bacterial Canker of Tomato. Genes (Basel) 2021; 12:genes12111745. [PMID: 34828351 PMCID: PMC8618811 DOI: 10.3390/genes12111745] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2021] [Revised: 10/22/2021] [Accepted: 10/26/2021] [Indexed: 12/13/2022] Open
Abstract
Tomato is one of the most important crops for human consumption. Its production is affected by the actinomycete Clavibacter michiganensis subsp. michiganensis (Cmm), one of the most devastating bacterial pathogens of this crop. Several wild tomato species represent a source of natural resistance to Cmm. Here, we contrasted the transcriptomes of the resistant wild tomato species Solanum arcanum LA2157 and the susceptible species Solanum lycopersicum cv. Ailsa Craig, during the first 24 h of challenge with Cmm. We used three analyses approaches which demonstrated to be complementary: mapping to S. lycopersicum reference genome SL3.0; semi de novo transcriptome assembly; and de novo transcriptome assembly. In a global context, transcriptional changes seem to be similar between both species, although there are some specific genes only upregulated in S. arcanum during Cmm interaction, suggesting that the resistance regulatory mechanism probably diverged during the domestication process. Although S. lycopersicum showed enriched functional groups related to defense, S. arcanum displayed a higher number of induced genes related to bacterial, oomycete, and fungal defense at the first few hours of interaction. This study revealed genes that may contribute to the resistance phenotype in the wild tomato species, such as those that encode for a polyphenol oxidase E, diacyl glycerol kinase, TOM1-like protein 6, and an ankyrin repeat-containing protein, among others. This work will contribute to a better understanding of the defense mechanism against Cmm, and the development of new control methods.
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Affiliation(s)
- Leonardo I. Pereyra-Bistraín
- División de Biología Molecular, Instituto Potosino de Investigación Científica y Tecnológica A.C., San Luis Potosí 78216, Mexico;
| | - Cesaré Ovando-Vázquez
- Centro Nacional de Supercómputo, Instituto Potosino de Investigación Científica y Tecnológica A.C., Consejo Nacional de Ciencia y Tecnología, San Luis Potosí 78216, Mexico;
| | - Alejandra Rougon-Cardoso
- Laboratory of Agrigenomic Sciences, Universidad Nacional Autónoma de México, ENES-León, León 37689, Mexico
- Correspondence: (A.R.-C.); (Á.G.A.-S.); Tel.: +52-(444)-834-2000 (Á.G.A.-S.)
| | - Ángel G. Alpuche-Solís
- División de Biología Molecular, Instituto Potosino de Investigación Científica y Tecnológica A.C., San Luis Potosí 78216, Mexico;
- Correspondence: (A.R.-C.); (Á.G.A.-S.); Tel.: +52-(444)-834-2000 (Á.G.A.-S.)
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Khadeeva NV, Yakovleva EY, Korostyleva TV, Istomina EA, Dunaevsky YE, Sydoruk KV, Belozersky MA, Odintsova TI, Bogush VG, Kudryavtsev AM. Comparative Analysis of Transgenic Tobacco Plants with Different Heterologic Plant Defensive Genes. RUSS J GENET+ 2020. [DOI: 10.1134/s1022795420030084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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5
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Das K, Datta K, Karmakar S, Datta SK. Antimicrobial Peptides - Small but Mighty Weapons for Plants to Fight Phytopathogens. Protein Pept Lett 2019; 26:720-742. [PMID: 31215363 DOI: 10.2174/0929866526666190619112438] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2019] [Revised: 03/27/2019] [Accepted: 04/25/2019] [Indexed: 11/22/2022]
Abstract
Antimicrobial Peptides (AMPs) have diverse structures, varied modes of actions, and can inhibit the growth of a wide range of pathogens at low concentrations. Plants are constantly under attack by a wide range of phytopathogens causing massive yield losses worldwide. To combat these pathogens, nature has armed plants with a battery of defense responses including Antimicrobial Peptides (AMPs). These peptides form a vital component of the two-tier plant defense system. They are constitutively expressed as part of the pre-existing first line of defense against pathogen entry. When a pathogen overcomes this barrier, it faces the inducible defense system, which responds to specific molecular or effector patterns by launching an arsenal of defense responses including the production of AMPs. This review emphasizes the structural and functional aspects of different plant-derived AMPs, their homology with AMPs from other organisms, and how their biotechnological potential could generate durable resistance in a wide range of crops against different classes of phytopathogens in an environmentally friendly way without phenotypic cost.
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Affiliation(s)
- Kaushik Das
- Laboratory of Translational Research on Transgenic Crops, Department of Botany, University of Calcutta, 35 Ballygunge Circular Road, Kolkata 700019, West Bengal, India
| | - Karabi Datta
- Laboratory of Translational Research on Transgenic Crops, Department of Botany, University of Calcutta, 35 Ballygunge Circular Road, Kolkata 700019, West Bengal, India
| | - Subhasis Karmakar
- Laboratory of Translational Research on Transgenic Crops, Department of Botany, University of Calcutta, 35 Ballygunge Circular Road, Kolkata 700019, West Bengal, India
| | - Swapan K Datta
- Laboratory of Translational Research on Transgenic Crops, Department of Botany, University of Calcutta, 35 Ballygunge Circular Road, Kolkata 700019, West Bengal, India
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6
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Khadeeva NV, Yakovleva EY, Sydoruk KV, Korostyleva TV, Istomina EA, Dunaevsky YE, Odintsova TI, Bogush VG, Belozersky MA. Molecular genetic analysis of collection of transgenic tobacco plants with buckwheat serine proteases inhibitor gene during long-term subculture. RUSS J GENET+ 2017. [DOI: 10.1134/s1022795417110047] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Escudero‐Martinez C, Morris J, Hedley P, Bos J. Barley transcriptome analyses upon interaction with different aphid species identify thionins contributing to resistance. PLANT, CELL & ENVIRONMENT 2017; 40:2628-2643. [PMID: 28452058 PMCID: PMC6084319 DOI: 10.1111/pce.12979] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2016] [Revised: 04/10/2017] [Accepted: 04/20/2017] [Indexed: 05/21/2023]
Abstract
Aphids are phloem-feeding insects that cause yield loss on a wide range of crops, including cereals such as barley. Whilst most aphid species are limited to one or few host species, some are able to reproduce on many plants belonging to different families. Interestingly, aphid probing behaviour can be observed on both host and non-host species, indicating that interactions take place at the molecular level that may impact host range. Here, we aimed to gain insight into the interaction of barley with aphid species differing in their ability to infest this crop by analysing transcriptional responses. Firstly, we determined colonization efficiency, settlement and probing behaviour for the aphid species Rhopalosiphum padi, Myzus persicae and Myzus cerasi, which defined host, poor-host and non-host interactions, respectively. Analyses of barley transcriptional responses revealed gene sets differentially regulated upon the different barley-aphid interactions and showed that the poor-host interaction with M. persicae resulted in the strongest regulation of genes. Interestingly, we identified several thionin genes strongly up-regulated upon interaction with M. persicae, and to a lesser extent upon R. padi interaction. Ectopic expression of two of these genes in Nicotiana benthamiana reduced host susceptibility to M. persicae, indicating that thionins contribute to defences against aphids.
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Affiliation(s)
- C.M. Escudero‐Martinez
- Cell and Molecular SciencesThe James Hutton InstituteDundeeDD2 5DAUK
- Division of Plant Sciences, School of Life SciencesUniversity of DundeeDundeeDD2 5DAUK
| | - J.A. Morris
- Cell and Molecular SciencesThe James Hutton InstituteDundeeDD2 5DAUK
| | - P.E. Hedley
- Cell and Molecular SciencesThe James Hutton InstituteDundeeDD2 5DAUK
| | - J.I.B. Bos
- Cell and Molecular SciencesThe James Hutton InstituteDundeeDD2 5DAUK
- Division of Plant Sciences, School of Life SciencesUniversity of DundeeDundeeDD2 5DAUK
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8
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Su X, Wei F, Huo Y, Xia Z. Comparative Physiological and Molecular Analyses of Two Contrasting Flue-Cured Tobacco Genotypes under Progressive Drought Stress. FRONTIERS IN PLANT SCIENCE 2017; 8:827. [PMID: 28567053 PMCID: PMC5434153 DOI: 10.3389/fpls.2017.00827] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2017] [Accepted: 05/02/2017] [Indexed: 05/03/2023]
Abstract
Drought is a major environmental factor that limits crop growth and productivity. Flue-cured tobacco (Nicotiana tabacum) is one of the most important commercial crops worldwide and its productivity is vulnerable to drought. However, comparative analyses of physiological, biochemical and gene expression changes in flue-cured tobacco varieties differing in drought tolerance under long-term drought stress are scarce. In this study, drought stress responses of two flue-cured tobacco varieties, LJ851 and JX6007, were comparatively studied at the physiological and transcriptional levels. After exposing to progressive drought stress, the drought-tolerant LJ851 showed less growth inhibition and chlorophyll reduction than the drought-sensitive JX6007. Moreover, higher antioxidant enzyme activities and lower levels of H2O2, Malondialdehyde (MDA), and electrolyte leakage after drought stress were found in LJ851 when compared with JX6007. Further analysis showed that LJ851 plants had much less reductions than the JX6007 in the net photosynthesis rate and stomatal conductance during drought stress; indicating that LJ851 had better photosynthetic performance than JX6007 during drought. In addition, transcriptional expression analysis revealed that LJ851 exhibited significantly increased transcripts of several categories of drought-responsive genes in leaves and roots under drought conditions. Together, these results indicated that LJ851 was more drought-tolerant than JX6007 as evidenced by better photosynthetic performance, more powerful antioxidant system, and higher expression of stress defense genes during drought stress. This study will be valuable for the development of novel flue-cured tobacco varieties with improved drought tolerance by exploitation of natural genetic variations in the future.
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Affiliation(s)
- Xinhong Su
- College of Life Science, Henan Agricultural UniversityZhengzhou, China
- Henan Institute of Tobacco ScienceZhengzhou, China
| | - Fengjie Wei
- College of Life Science, Henan Agricultural UniversityZhengzhou, China
- Henan Institute of Tobacco ScienceZhengzhou, China
| | - Yongjin Huo
- College of Life Science, Henan Agricultural UniversityZhengzhou, China
| | - Zongliang Xia
- College of Life Science, Henan Agricultural UniversityZhengzhou, China
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9
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Rehman S, Aziz E, Akhtar W, Ilyas M, Mahmood T. Structural and functional characteristics of plant proteinase inhibitor-II (PI-II) family. Biotechnol Lett 2017; 39:647-666. [PMID: 28185031 DOI: 10.1007/s10529-017-2298-1] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2016] [Accepted: 02/02/2017] [Indexed: 10/20/2022]
Abstract
Plant proteinase inhibitor-II (PI-II) proteins are one of the promising defensive proteins that helped the plants to resist against different kinds of unfavorable conditions. Different roles for PI-II have been suggested such as regulation of endogenous proteases, modulation of plant growth and developmental processes and mediating stress responses. The basic knowledge on genetic and molecular diversity of these proteins has provided significant insight into their gene structure and evolutionary relationships in various members of this family. Phylogenetic comparisons of these family genes in different plants suggested that the high rate of retention of gene duplication and inhibitory domain multiplication may have resulted in the expansion and functional diversification of these proteins. Currently, a large number of transgenic plants expressing PI-II genes are being developed for enhancing the defensive capabilities against insects, bacteria and pathogenic fungi. Much emphasis is yet to be given to exploit this ever expanding repertoire of genes for improving abiotic stress resistance in transgenic crops. This review presents an overview about the current knowledge on PI-II family genes, their multifunctional role in plant defense and physiology with their potential applications in biotechnology.
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Affiliation(s)
- Shazia Rehman
- Department of Plant Sciences, Quaid-i-Azam University, Islamabad, 45320, Pakistan
| | - Ejaz Aziz
- Department of Plant Sciences, Quaid-i-Azam University, Islamabad, 45320, Pakistan
| | - Wasim Akhtar
- Department of Biotechnology, University of Azad Jammu and Kashmir, Muzaffarabad, Pakistan
| | - Muhammad Ilyas
- Department of Plant Sciences, Quaid-i-Azam University, Islamabad, 45320, Pakistan
| | - Tariq Mahmood
- Department of Plant Sciences, Quaid-i-Azam University, Islamabad, 45320, Pakistan.
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Luo XM, Xie CJ, Wang D, Wei YM, Cai J, Cheng SS, Yang XY, Sui AP. Psc-AFP from Psoralea corylifolia L. overexpressed in Pichia pastoris increases antimicrobial activity and enhances disease resistance of transgenic tobacco. Appl Microbiol Biotechnol 2017; 101:1073-1084. [PMID: 27587300 DOI: 10.1007/s00253-016-7768-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2016] [Revised: 07/25/2016] [Accepted: 08/01/2016] [Indexed: 12/12/2022]
Abstract
Psc-AFP, isolated from the seeds of Psoralea corylifolia L., is an antimicrobial protein with trypsin inhibitor activity. Its encoding gene was cloned by 3'- rapid amplification of cDNA ends (RACE) combined with Y-shaped adaptor-dependent extension (YADE) method. The gene Psc-AFP encodes a protein of 203 amino acids with a deduced signal peptide of 24 residues. The growth inhibition effect exerted by the heterologously expressed Psc-AFP in Pichia pastoris revealed that the recombinant Psc-AFP inhibited mycelium growth of Aspergillus niger, Rhizoctonia solani, and Alternaria brassicae and conidial germination of Alternaria alternata. The recombinant Psc-AFP also showed protease inhibitor activity manifested by the inhibition of trypsin. The transgenic tobacco bioassays confirmed that overexpressing Psc-AFP significantly enhanced the disease resistance of tobacco and that some of the transgenic lines were almost fully tolerant to Ralstonia solanacearum and A. alternata, whereas no apparent alteration in plant growth and development was observed. Collectively, these results indicate that the recombinant Psc-AFP is an active antimicrobial protein, with protease inhibitor activity that can be successfully produced in the yeast and tobacco and, therefore, maybe a potential antimicrobial candidate for practical use.
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Affiliation(s)
- Xiu-Mei Luo
- The School of Life Science, Southwest University, Chongqing, 400715, China
- The Chongqing Key Laboratory of Molecular Biology of Plant Environmental Adaptations, Chongqing Normal University, Chongqing, 401331, China
- The College of Life Science, Chongqing Normal University, Chongqing, 401331, China
| | - Cheng-Jian Xie
- The Chongqing Key Laboratory of Molecular Biology of Plant Environmental Adaptations, Chongqing Normal University, Chongqing, 401331, China
- The College of Life Science, Chongqing Normal University, Chongqing, 401331, China
| | - De Wang
- The School of Life Science, Southwest University, Chongqing, 400715, China
| | - Yun-Min Wei
- The Chongqing Key Laboratory of Molecular Biology of Plant Environmental Adaptations, Chongqing Normal University, Chongqing, 401331, China
- The College of Life Science, Chongqing Normal University, Chongqing, 401331, China
| | - Jie Cai
- The Chongqing Key Laboratory of Molecular Biology of Plant Environmental Adaptations, Chongqing Normal University, Chongqing, 401331, China
- The College of Life Science, Chongqing Normal University, Chongqing, 401331, China
| | - Shan-Shan Cheng
- The Chongqing Key Laboratory of Molecular Biology of Plant Environmental Adaptations, Chongqing Normal University, Chongqing, 401331, China
- The College of Life Science, Chongqing Normal University, Chongqing, 401331, China
| | - Xing -Yong Yang
- The Chongqing Key Laboratory of Molecular Biology of Plant Environmental Adaptations, Chongqing Normal University, Chongqing, 401331, China.
- The College of Life Science, Chongqing Normal University, Chongqing, 401331, China.
| | - An -Ping Sui
- The School of Life Science, Southwest University, Chongqing, 400715, China
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11
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Fitzgerald TL, Powell JJ, Schneebeli K, Hsia MM, Gardiner DM, Bragg JN, McIntyre CL, Manners JM, Ayliffe M, Watt M, Vogel JP, Henry RJ, Kazan K. Brachypodium as an emerging model for cereal-pathogen interactions. ANNALS OF BOTANY 2015; 115:717-31. [PMID: 25808446 PMCID: PMC4373291 DOI: 10.1093/aob/mcv010] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/08/2014] [Revised: 11/03/2014] [Accepted: 12/22/2014] [Indexed: 05/22/2023]
Abstract
BACKGROUND Cereal diseases cause tens of billions of dollars of losses annually and have devastating humanitarian consequences in the developing world. Increased understanding of the molecular basis of cereal host-pathogen interactions should facilitate development of novel resistance strategies. However, achieving this in most cereals can be challenging due to large and complex genomes, long generation times and large plant size, as well as quarantine and intellectual property issues that may constrain the development and use of community resources. Brachypodium distachyon (brachypodium) with its small, diploid and sequenced genome, short generation time, high transformability and rapidly expanding community resources is emerging as a tractable cereal model. SCOPE Recent research reviewed here has demonstrated that brachypodium is either susceptible or partially susceptible to many of the major cereal pathogens. Thus, the study of brachypodium-pathogen interactions appears to hold great potential to improve understanding of cereal disease resistance, and to guide approaches to enhance this resistance. This paper reviews brachypodium experimental pathosystems for the study of fungal, bacterial and viral cereal pathogens; the current status of the use of brachypodium for functional analysis of cereal disease resistance; and comparative genomic approaches undertaken using brachypodium to assist characterization of cereal resistance genes. Additionally, it explores future prospects for brachypodium as a model to study cereal-pathogen interactions. CONCLUSIONS The study of brachypodium-pathogen interactions appears to be a productive strategy for understanding mechanisms of disease resistance in cereal species. Knowledge obtained from this model interaction has strong potential to be exploited for crop improvement.
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Affiliation(s)
- Timothy L Fitzgerald
- Commonwealth Scientific and Industrial Research Organisation (CSIRO) Agriculture Flagship, Brisbane, QLD 4067, Australia, Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, Brisbane, QLD 4072, Australia, Commonwealth Scientific and Industrial Research Organisation (CSIRO) Agriculture Flagship, Canberra, ACT 2601, Australia, United States Department of Agriculture Agricultural Research Service (USDA-ARS), Western Regional Research Center (WRRC), Albany, CA 94710, USA, Department of Plant and Microbial Biology, University of California, Berkeley, CA 94710, USA and Department of Energy Joint Genome Institute, Walnut Creek, CA 94598, USA
| | - Jonathan J Powell
- Commonwealth Scientific and Industrial Research Organisation (CSIRO) Agriculture Flagship, Brisbane, QLD 4067, Australia, Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, Brisbane, QLD 4072, Australia, Commonwealth Scientific and Industrial Research Organisation (CSIRO) Agriculture Flagship, Canberra, ACT 2601, Australia, United States Department of Agriculture Agricultural Research Service (USDA-ARS), Western Regional Research Center (WRRC), Albany, CA 94710, USA, Department of Plant and Microbial Biology, University of California, Berkeley, CA 94710, USA and Department of Energy Joint Genome Institute, Walnut Creek, CA 94598, USA Commonwealth Scientific and Industrial Research Organisation (CSIRO) Agriculture Flagship, Brisbane, QLD 4067, Australia, Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, Brisbane, QLD 4072, Australia, Commonwealth Scientific and Industrial Research Organisation (CSIRO) Agriculture Flagship, Canberra, ACT 2601, Australia, United States Department of Agriculture Agricultural Research Service (USDA-ARS), Western Regional Research Center (WRRC), Albany, CA 94710, USA, Department of Plant and Microbial Biology, University of California, Berkeley, CA 94710, USA and Department of Energy Joint Genome Institute, Walnut Creek, CA 94598, USA
| | - Katharina Schneebeli
- Commonwealth Scientific and Industrial Research Organisation (CSIRO) Agriculture Flagship, Brisbane, QLD 4067, Australia, Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, Brisbane, QLD 4072, Australia, Commonwealth Scientific and Industrial Research Organisation (CSIRO) Agriculture Flagship, Canberra, ACT 2601, Australia, United States Department of Agriculture Agricultural Research Service (USDA-ARS), Western Regional Research Center (WRRC), Albany, CA 94710, USA, Department of Plant and Microbial Biology, University of California, Berkeley, CA 94710, USA and Department of Energy Joint Genome Institute, Walnut Creek, CA 94598, USA
| | - M Mandy Hsia
- Commonwealth Scientific and Industrial Research Organisation (CSIRO) Agriculture Flagship, Brisbane, QLD 4067, Australia, Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, Brisbane, QLD 4072, Australia, Commonwealth Scientific and Industrial Research Organisation (CSIRO) Agriculture Flagship, Canberra, ACT 2601, Australia, United States Department of Agriculture Agricultural Research Service (USDA-ARS), Western Regional Research Center (WRRC), Albany, CA 94710, USA, Department of Plant and Microbial Biology, University of California, Berkeley, CA 94710, USA and Department of Energy Joint Genome Institute, Walnut Creek, CA 94598, USA
| | - Donald M Gardiner
- Commonwealth Scientific and Industrial Research Organisation (CSIRO) Agriculture Flagship, Brisbane, QLD 4067, Australia, Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, Brisbane, QLD 4072, Australia, Commonwealth Scientific and Industrial Research Organisation (CSIRO) Agriculture Flagship, Canberra, ACT 2601, Australia, United States Department of Agriculture Agricultural Research Service (USDA-ARS), Western Regional Research Center (WRRC), Albany, CA 94710, USA, Department of Plant and Microbial Biology, University of California, Berkeley, CA 94710, USA and Department of Energy Joint Genome Institute, Walnut Creek, CA 94598, USA
| | - Jennifer N Bragg
- Commonwealth Scientific and Industrial Research Organisation (CSIRO) Agriculture Flagship, Brisbane, QLD 4067, Australia, Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, Brisbane, QLD 4072, Australia, Commonwealth Scientific and Industrial Research Organisation (CSIRO) Agriculture Flagship, Canberra, ACT 2601, Australia, United States Department of Agriculture Agricultural Research Service (USDA-ARS), Western Regional Research Center (WRRC), Albany, CA 94710, USA, Department of Plant and Microbial Biology, University of California, Berkeley, CA 94710, USA and Department of Energy Joint Genome Institute, Walnut Creek, CA 94598, USA Commonwealth Scientific and Industrial Research Organisation (CSIRO) Agriculture Flagship, Brisbane, QLD 4067, Australia, Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, Brisbane, QLD 4072, Australia, Commonwealth Scientific and Industrial Research Organisation (CSIRO) Agriculture Flagship, Canberra, ACT 2601, Australia, United States Department of Agriculture Agricultural Research Service (USDA-ARS), Western Regional Research Center (WRRC), Albany, CA 94710, USA, Department of Plant and Microbial Biology, University of California, Berkeley, CA 94710, USA and Department of Energy Joint Genome Institute, Walnut Creek, CA 94598, USA
| | - C Lynne McIntyre
- Commonwealth Scientific and Industrial Research Organisation (CSIRO) Agriculture Flagship, Brisbane, QLD 4067, Australia, Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, Brisbane, QLD 4072, Australia, Commonwealth Scientific and Industrial Research Organisation (CSIRO) Agriculture Flagship, Canberra, ACT 2601, Australia, United States Department of Agriculture Agricultural Research Service (USDA-ARS), Western Regional Research Center (WRRC), Albany, CA 94710, USA, Department of Plant and Microbial Biology, University of California, Berkeley, CA 94710, USA and Department of Energy Joint Genome Institute, Walnut Creek, CA 94598, USA
| | - John M Manners
- Commonwealth Scientific and Industrial Research Organisation (CSIRO) Agriculture Flagship, Brisbane, QLD 4067, Australia, Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, Brisbane, QLD 4072, Australia, Commonwealth Scientific and Industrial Research Organisation (CSIRO) Agriculture Flagship, Canberra, ACT 2601, Australia, United States Department of Agriculture Agricultural Research Service (USDA-ARS), Western Regional Research Center (WRRC), Albany, CA 94710, USA, Department of Plant and Microbial Biology, University of California, Berkeley, CA 94710, USA and Department of Energy Joint Genome Institute, Walnut Creek, CA 94598, USA
| | - Mick Ayliffe
- Commonwealth Scientific and Industrial Research Organisation (CSIRO) Agriculture Flagship, Brisbane, QLD 4067, Australia, Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, Brisbane, QLD 4072, Australia, Commonwealth Scientific and Industrial Research Organisation (CSIRO) Agriculture Flagship, Canberra, ACT 2601, Australia, United States Department of Agriculture Agricultural Research Service (USDA-ARS), Western Regional Research Center (WRRC), Albany, CA 94710, USA, Department of Plant and Microbial Biology, University of California, Berkeley, CA 94710, USA and Department of Energy Joint Genome Institute, Walnut Creek, CA 94598, USA
| | - Michelle Watt
- Commonwealth Scientific and Industrial Research Organisation (CSIRO) Agriculture Flagship, Brisbane, QLD 4067, Australia, Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, Brisbane, QLD 4072, Australia, Commonwealth Scientific and Industrial Research Organisation (CSIRO) Agriculture Flagship, Canberra, ACT 2601, Australia, United States Department of Agriculture Agricultural Research Service (USDA-ARS), Western Regional Research Center (WRRC), Albany, CA 94710, USA, Department of Plant and Microbial Biology, University of California, Berkeley, CA 94710, USA and Department of Energy Joint Genome Institute, Walnut Creek, CA 94598, USA
| | - John P Vogel
- Commonwealth Scientific and Industrial Research Organisation (CSIRO) Agriculture Flagship, Brisbane, QLD 4067, Australia, Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, Brisbane, QLD 4072, Australia, Commonwealth Scientific and Industrial Research Organisation (CSIRO) Agriculture Flagship, Canberra, ACT 2601, Australia, United States Department of Agriculture Agricultural Research Service (USDA-ARS), Western Regional Research Center (WRRC), Albany, CA 94710, USA, Department of Plant and Microbial Biology, University of California, Berkeley, CA 94710, USA and Department of Energy Joint Genome Institute, Walnut Creek, CA 94598, USA
| | - Robert J Henry
- Commonwealth Scientific and Industrial Research Organisation (CSIRO) Agriculture Flagship, Brisbane, QLD 4067, Australia, Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, Brisbane, QLD 4072, Australia, Commonwealth Scientific and Industrial Research Organisation (CSIRO) Agriculture Flagship, Canberra, ACT 2601, Australia, United States Department of Agriculture Agricultural Research Service (USDA-ARS), Western Regional Research Center (WRRC), Albany, CA 94710, USA, Department of Plant and Microbial Biology, University of California, Berkeley, CA 94710, USA and Department of Energy Joint Genome Institute, Walnut Creek, CA 94598, USA
| | - Kemal Kazan
- Commonwealth Scientific and Industrial Research Organisation (CSIRO) Agriculture Flagship, Brisbane, QLD 4067, Australia, Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, Brisbane, QLD 4072, Australia, Commonwealth Scientific and Industrial Research Organisation (CSIRO) Agriculture Flagship, Canberra, ACT 2601, Australia, United States Department of Agriculture Agricultural Research Service (USDA-ARS), Western Regional Research Center (WRRC), Albany, CA 94710, USA, Department of Plant and Microbial Biology, University of California, Berkeley, CA 94710, USA and Department of Energy Joint Genome Institute, Walnut Creek, CA 94598, USA Commonwealth Scientific and Industrial Research Organisation (CSIRO) Agriculture Flagship, Brisbane, QLD 4067, Australia, Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, Brisbane, QLD 4072, Australia, Commonwealth Scientific and Industrial Research Organisation (CSIRO) Agriculture Flagship, Canberra, ACT 2601, Australia, United States Department of Agriculture Agricultural Research Service (USDA-ARS), Western Regional Research Center (WRRC), Albany, CA 94710, USA, Department of Plant and Microbial Biology, University of California, Berkeley, CA 94710, USA and Department of Energy Joint Genome Institute, Walnut Creek, CA 94598, USA
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12
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Cingel A, Savić J, Vinterhalter B, Vinterhalter D, Kostić M, Šešlija Jovanović D, Smigocki A, Ninković S. Growth and development of Colorado potato beetle larvae, Leptinotarsa decemlineata, on potato plants expressing the oryzacystatin II proteinase inhibitor. Transgenic Res 2015; 24:729-40. [DOI: 10.1007/s11248-015-9873-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2014] [Accepted: 03/23/2015] [Indexed: 01/02/2023]
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Gaspar YM, McKenna JA, McGinness BS, Hinch J, Poon S, Connelly AA, Anderson MA, Heath RL. Field resistance to Fusarium oxysporum and Verticillium dahliae in transgenic cotton expressing the plant defensin NaD1. JOURNAL OF EXPERIMENTAL BOTANY 2014; 65:1541-50. [PMID: 24502957 PMCID: PMC3967090 DOI: 10.1093/jxb/eru021] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
The plant defensin NaD1, from Nicotiana alata, has potent antifungal activity against a range of filamentous fungi including the two important cotton pathogens, Fusarium oxysporum f. sp. vasinfectum (Fov) and Verticillium dahliae. Transgenic cotton plants expressing NaD1 were produced and plants from three events were selected for further characterization. Homozygous plants were assessed in greenhouse bioassays for resistance to Fov. One line (D1) was selected for field trial testing over three growing seasons in soils naturally infested with Fov and over two seasons in soils naturally infested with V. dahliae. In the field trials with Fov-infested soil, line D1 had 2-3-times the survival rate, a higher tolerance to Fov (higher disease rank), and a 2-4-fold increase in lint yield compared to the non-transgenic Coker control. When transgenic line D1 was planted in V. dahliae-infested soil, plants had a higher tolerance to Verticillium wilt and up to a 2-fold increase in lint yield compared to the non-transgenic Coker control. Line D1 did not exhibit any detrimental agronomic features compared to the parent Coker control when plants were grown in non-diseased soil. This study demonstrated that the expression of NaD1 in transgenic cotton plants can provide substantial resistance to two economically important fungal pathogens.
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Affiliation(s)
- Yolanda M. Gaspar
- Hexima Limited, School of Botany, The University of Melbourne, Melbourne, Victoria 3010, Australia
- Hexima Limited, La Trobe Institute for Molecular Science, La Trobe University, Bundoora, Victoria 3086, Australia
| | - James A. McKenna
- Hexima Limited, School of Botany, The University of Melbourne, Melbourne, Victoria 3010, Australia
- Hexima Limited, La Trobe Institute for Molecular Science, La Trobe University, Bundoora, Victoria 3086, Australia
| | - Bruce S. McGinness
- Hexima Limited, School of Botany, The University of Melbourne, Melbourne, Victoria 3010, Australia
| | - Jillian Hinch
- Hexima Limited, School of Botany, The University of Melbourne, Melbourne, Victoria 3010, Australia
| | - Simon Poon
- Hexima Limited, School of Botany, The University of Melbourne, Melbourne, Victoria 3010, Australia
- Hexima Limited, La Trobe Institute for Molecular Science, La Trobe University, Bundoora, Victoria 3086, Australia
| | - Angela A. Connelly
- Hexima Limited, School of Botany, The University of Melbourne, Melbourne, Victoria 3010, Australia
| | - Marilyn A. Anderson
- Hexima Limited, La Trobe Institute for Molecular Science, La Trobe University, Bundoora, Victoria 3086, Australia
| | - Robyn L. Heath
- Hexima Limited, School of Botany, The University of Melbourne, Melbourne, Victoria 3010, Australia
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Smigocki AC, Ivic-Haymes S, Li H, Savić J. Pest protection conferred by a Beta vulgaris serine proteinase inhibitor gene. PLoS One 2013; 8:e57303. [PMID: 23468963 PMCID: PMC3582505 DOI: 10.1371/journal.pone.0057303] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2012] [Accepted: 01/20/2013] [Indexed: 11/18/2022] Open
Abstract
Proteinase inhibitors provide a means of engineering plant resistance to insect pests. A Beta vulgaris serine proteinase inhibitor gene (BvSTI) was fused to the constitutive CaMV35S promoter for over-expression in Nicotiana benthamiana plants to study its effect on lepidopteran insect pests. Independently derived BvSTI transgenic tobacco T2 homozygous progeny were shown to have relatively high BvSTI gene transcript levels. BvSTI-specific polyclonal antibodies cross-reacted with the expected 30 kDA recombinant BvSTI protein on Western blots. In gel trypsin inhibitor activity assays revealed a major clear zone that corresponded to the BvSTI proteinase inhibitor that was not detected in the untransformed control plants. BvSTI-transgenic plants were bioassayed for resistance to five lepidopteran insect pests. Spodoptera frugiperda, S. exigua and Manduca sexta larvae fed BvSTI leaves had significant reductions in larval weights as compared to larvae fed on untransformed leaves. In contrast, larval weights increased relative to the controls when Heliothis virescens and Agrotis ipsilon larvae were fed on BvSTI leaves. As the larvae entered the pupal stage, pupal sizes reflected the overall larval weights. Some developmental abnormalities of the pupae and emerging moths were noted. These findings suggest that the sugar beet BvSTI gene may prove useful for effective control of several different lepidopteran insect pests in genetically modified tobacco and other plants. The sugar beet serine proteinase inhibitor may be more effective for insect control because sugar beet is cropped in restricted geographical areas thus limiting the exposure of the insects to sugar beet proteinase inhibitors and build up of non-sensitive midgut proteases.
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Affiliation(s)
- Ann C Smigocki
- United States Department of Agriculture, Agricultural Research Service, Molecular Plant Pathology Laboratory, Beltsville, Maryland, USA.
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Carrillo L, Herrero I, Cambra I, Sánchez-Monge R, Diaz I, Martinez M. Differential in vitro and in vivo effect of barley cysteine and serine protease inhibitors on phytopathogenic microorganisms. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2011; 49:1191-200. [PMID: 21482127 DOI: 10.1016/j.plaphy.2011.03.012] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2011] [Accepted: 03/16/2011] [Indexed: 05/03/2023]
Abstract
Protease inhibitors from plants have been involved in defence mechanisms against pests and pathogens. Phytocystatins and trypsin/α-amylase inhibitors are two of the best characterized protease inhibitor families in plants. In barley, thirteen cystatins (HvCPI-1 to 13) and the BTI-CMe trypsin inhibitor have been previously studied. Their capacity to inhibit pest digestive proteases, and the negative in vivo effect caused by plants expressing these inhibitors on pests support the defence function of these proteins. Barley cystatins are also able to inhibit in vitro fungal growth. However, the antifungal effect of these inhibitors in vivo had not been previously tested. Moreover, their in vitro and in vivo effect on plant pathogenous bacteria is still unknown. In order to obtain new insights on this feature, in vitro assays were made against different bacterial and fungal pathogens of plants using the trypsin inhibitor BTI-CMe and the thirteen barley cystatins. Most barley cystatins and the BTI-CMe inhibitor were able to inhibit mycelial growth but no bacterial growth. Transgenic Arabidopsis plants independently expressing the BTI-CMe inhibitor and the cystatin HvCPI-6 were tested against the same bacterial and fungal pathogens. Neither the HvCPI-6 expressing transgenic plants nor the BTI-CMe ones were more resistant to plant pathogen fungi and bacteria than control Arabidopsis plants. The differences observed between the in vitro and in planta assays against phytopathogenic fungi are discussed.
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Affiliation(s)
- Laura Carrillo
- Centro de Biotecnología y Genómica de Plantas, Campus Montegancedo, Universidad Politécnica de Madrid, Autovía M40 (Km 38), 28223-Pozuelo de Alarcón, Madrid, Spain
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16
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Khadeeva NV, Kochieva EZ, Tcherednitchenko MY, Yakovleva EY, Sydoruk KV, Bogush VG, Dunaevsky YE, Belozersky MA. Use of buckwheat seed protease inhibitor gene for improvement of tobacco and potato plant resistance to biotic stress. BIOCHEMISTRY. BIOKHIMIIA 2009; 74:260-7. [PMID: 19364319 DOI: 10.1134/s0006297909030031] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2023]
Abstract
The possibility to use agrobacterial transformation of leaf discs to produce resistance to bacterial infections in tobacco and potato plants by introduction of a single gene encoding the serine proteinase inhibitor BWI-1a (ISP) from buckwheat seeds is shown. All studied PCR-positive transgenic plants exhibited antibacterial activity in biotests. It was shown that the presence of just a single gene of serine proteinase inhibitor provides sufficient protection at least against two bacterial phytopathogens, Pseudomonas syringae pv. tomato and Clavibacter michiganensis sbsp. michiganensis. The biotest including tobacco plant infection by the white wings butterfly in the green house has also demonstrated the existence of protective effect in transgenic tobacco plants. Significant genotypic variations in the protection efficiency were found between members of different genera of the same family (potato and tobacco) as well as between different lines of the same species. Northern blot analysis of four transgenic potato lines and three tobacco lines transformed by a vector plasmid containing the ISP gene of serine proteinases BWI-1a from buckwheat seeds has shown the presence of the expected size mRNA transcript.
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Affiliation(s)
- N V Khadeeva
- Vavilov Institute of General Genetics, Russian Academy of Sciences, 119991 Moscow, Russia
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Sels J, Mathys J, De Coninck BMA, Cammue BPA, De Bolle MFC. Plant pathogenesis-related (PR) proteins: a focus on PR peptides. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2008; 46:941-50. [PMID: 18674922 DOI: 10.1016/j.plaphy.2008.06.011] [Citation(s) in RCA: 448] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/25/2008] [Revised: 06/11/2008] [Accepted: 06/14/2008] [Indexed: 05/18/2023]
Abstract
The novel classes of plant pathogenesis-related (PR) proteins identified during the last decade also include novel peptide families. This review specifically focuses on these pathogenesis-related peptides, including proteinase inhibitors (PR-6 family), plant defensins (PR-12 family), thionins (PR-13 family) and lipid transfer proteins (PR-14 family). For each family of PR peptides, the general features concerning occurrence, expression and possible functions of their members are described. Next, more specifically the occurrence of each PR peptide family in the model plant Arabidopsis thaliana is discussed. Single-gene studies performed on particular gene members of a PR peptide family are reported. In addition, expression data of yet undescribed gene members of that particular PR peptide family are presented by consultation of publicly available micro-array databases. Finally an update is provided on the potential role of these PR peptides in A. thaliana, with a focus on their possible involvement in plant defense.
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Affiliation(s)
- Jan Sels
- Centre of Microbial and Plant Genetics, Katholieke Universiteit Leuven, Kasteelpark Arenberg 20, B-3001 Heverlee, Belgium
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Chassot C, Nawrath C, Métraux JP. The cuticle: Not only a barrier for plant defence: A novel defence syndrome in plants with cuticular defects. PLANT SIGNALING & BEHAVIOR 2008; 3:142-4. [PMID: 19704737 PMCID: PMC2634007 DOI: 10.4161/psb.3.2.5071] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2007] [Accepted: 09/24/2007] [Indexed: 05/20/2023]
Abstract
The cuticle is a physical barrier that prevents water loss and protects against irradiation, xenobiotics and pathogens. This classic textbook statement has recently been revisited and several observations were made showing that this dogma falls short of being universally true. Both transgenic Arabidopsis thaliana lines expressing cell wall-targeted fungal cutinase (so-called CUTE plants) or lipase as well as several A. thaliana mutants with altered cuticular structure remained free of symptoms after an inoculation with Botrytis cinerea. The alterations in cuticular structure lead to the release of fungitoxic substances and changes in gene expression that form a multifactorial defence response. Several models to explain this syndrome are discussed.
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Affiliation(s)
- Céline Chassot
- Department of Plant Molecular Biology; Biophore Building; Quarter UNIL/Sorge; Lausanne, Switzerland
| | - Christiane Nawrath
- Department of Plant Molecular Biology; Biophore Building; Quarter UNIL/Sorge; Lausanne, Switzerland
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Chassot C, Nawrath C, Métraux JP. Cuticular defects lead to full immunity to a major plant pathogen. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2007; 49:972-80. [PMID: 17257167 DOI: 10.1111/j.1365-313x.2006.03017.x] [Citation(s) in RCA: 153] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
In addition to its role as a barrier, the cuticle is also a source of signals perceived by invading fungi. Cuticular breakdown products have been shown previously to be potent inducers of cutinase or developmental processes in fungal pathogens. Here the question was addressed as to whether plants themselves can perceive modifications of the cuticle. This was studied using Arabidopsis thaliana plants with altered cuticular structure. The expression of a cell wall-targeted fungal cutinase in A. thaliana was found to provide total immunity to Botrytis cinerea. The response observed in such cutinase-expressing plants is independent of signal transduction pathways involving salicylic acid, ethylene or jasmonic acid. It is accompanied by the release of a fungitoxic activity and increased expression of members of the lipid transfer protein, peroxidase and protein inhibitor gene families that provide resistance when overexpressed in wild-type plants. The same experiments were made in the bodyguard (bdg) mutant of A. thaliana. This mutant exhibits cuticular defects and remained free of symptoms after inoculation with B. cinerea. The expression of resistance was accompanied by the release of a fungitoxic activity and increased expression of the same genes as observed in cutinase-expressing plants. Structural defects of the cuticle can thus be converted into an effective multi-factorial defence, and reveal a hitherto hidden aspect of the innate immune response of plants.
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Affiliation(s)
- Céline Chassot
- Département de Biologie, Université de Fribourg, Chemin du Musée 10, CH-1700 Fribourg, Switzerland
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Mosolov VV, Valueva TA. Participation of proteolytic enzymes in the interaction of plants with phytopathogenic microorganisms. BIOCHEMISTRY (MOSCOW) 2006; 71:838-45. [PMID: 16978145 DOI: 10.1134/s0006297906080037] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Different forms of participation of proteolytic enzymes in pathogenesis and plant defense are reviewed. Together with extracellular proteinases, phytopathogenic microorganisms produce specific effectors with proteolytic activity and are able to act on proteins inside the plant cell. In turn, plants use both extracellular and intracellular proteinases for defense against phytopathogenic microorganisms. Among the latter, a special role belongs to vacuolar processing enzymes (legumains), which perform the function of caspases in the plant cell.
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Affiliation(s)
- V V Mosolov
- Bach Institute of Biochemistry, Russian Academy of Sciences, Moscow, 119071, Russia
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