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Langyan S, Yadava P, Khan FN, Sharma S, Singh R, Bana RS, Singh N, Kaur V, Kalia S, Kumar A. Trends and advances in pre- and post-harvest processing of linseed oil for quality food and health products. Crit Rev Food Sci Nutr 2023:1-24. [PMID: 38032160 DOI: 10.1080/10408398.2023.2280768] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2023]
Abstract
Linseed is an ancient crop used for diverse purposes since the beginning of civilization. In recent times, linseed has emerged as a superfood due to its high content of health-promoting omega-3 fatty acids and other bioactive compounds. Among primary health effects, it has potential to manage hypertension, diabetes, osteoporosis, atherosclerosis, cancer, arthritis, neurological, cardiovascular diseases including blood cholesterol levels, constipation, diarrhea, and autoimmune disorders etc. due to the presence of omega-3 fatty acid, lignans, high dietary fibers, and proteins, whereas, secondary health effects comprise of relieving from various skin disorders. Due to these health-beneficial properties, interest in linseed oil necessitates the intensification of research efforts on various aspects. These include cultivation technology, varietal and genetic improvement, post-harvest processing, profiling of nutrients and bioactive compounds, pre-clinical and clinical studies, etc. The present review discussed the advances in linseed research including pre- and post-harvest processing. However, focus on the bioactive compounds present in linseed oil and their health effects are also presented. Linseed cultivation, pre- and post-harvest processing aspects are covered including climatic, edaphic, agronomic factors, type of cultivar and storage conditions etc, which impact the overall oil yield and its nutritional quality. Various emerging applications of linseed oil in functional food, nutraceutical, pharmaceutical, and cosmeceutical preparations were also presented in detail. Further, recommendations were made on linseed oil research in the field of genetics, breeding germplasm resources and genome editing for exploring its full applications as a nutrition and health product.
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Affiliation(s)
- Sapna Langyan
- ICAR-National Bureau of Plant Genetic Resources, New Delhi, India
| | - Pranjal Yadava
- Indian Agricultural Research Institute, New Delhi, India
| | | | - Sanjula Sharma
- Oilseed Section, Punjab Agricultural University, Ludhiana, India
| | - Renu Singh
- Indian Agricultural Research Institute, New Delhi, India
| | | | - Nisha Singh
- National Institute for Plant Biotechnology, New Delhi, India
| | - Vikender Kaur
- ICAR-National Bureau of Plant Genetic Resources, New Delhi, India
| | | | - Ashok Kumar
- ICAR-National Bureau of Plant Genetic Resources, New Delhi, India
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2
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Reconstitution of prenyltransferase activity on nanodiscs by components of the rubber synthesis machinery of the Para rubber tree and guayule. Sci Rep 2022; 12:3734. [PMID: 35260628 PMCID: PMC8904820 DOI: 10.1038/s41598-022-07564-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Accepted: 02/22/2022] [Indexed: 11/08/2022] Open
Abstract
Natural rubber of the Para rubber tree (Hevea brasiliensis) is synthesized as a result of prenyltransferase activity. The proteins HRT1, HRT2, and HRBP have been identified as candidate components of the rubber biosynthetic machinery. To clarify the contribution of these proteins to prenyltransferase activity, we established a cell-free translation system for nanodisc-based protein reconstitution and measured the enzyme activity of the protein-nanodisc complexes. Co-expression of HRT1 and HRBP in the presence of nanodiscs yielded marked polyisoprene synthesis activity. By contrast, neither HRT1, HRT2, or HRBP alone nor a complex of HRT2 and HRBP manifested such activity. Similar analysis of guayule (Parthenium argentatum) proteins revealed that three HRT1 homologs (PaCPT1–3) manifested prenyltransferase activity only when co-expressed with PaCBP, the homolog of HRBP. Our results thus indicate that two heterologous subunits form the core prenyltransferase of the rubber biosynthetic machinery. A recently developed structure modeling program predicted the structure of such heterodimer complexes including HRT1/HRBP and PaCPT2/PaCBP. HRT and PaCPT proteins were also found to possess affinity for a lipid membrane in the absence of HRBP or PaCBP, and structure modeling implicated an amphipathic α-helical domain of HRT1 and PaCPT2 in membrane binding of these proteins.
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Kang G, Yan D, Chen X, Li Y, Yang L, Zeng R. Molecular characterization and functional analysis of a novel WRKY transcription factor HbWRKY83 possibly involved in rubber production of Hevea brasiliensis. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2020; 155:483-493. [PMID: 32827873 DOI: 10.1016/j.plaphy.2020.08.013] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Revised: 08/04/2020] [Accepted: 08/04/2020] [Indexed: 06/11/2023]
Abstract
WRKY transcription factors play important roles in plant growth and developmental processes and various stress responses, and are also associated with jasmonic acid (JA) signaling in the regulation of secondary metabolite biosynthesis in plants. The regulatory networks mediated by WRKY proteins in the latex production of Hevea brasiliensis (the Pará rubber tree) are poorly understood. In this study, one novel WRKY gene (designated HbWRKY83) was identified from the latex of H. brasiliensis, and its functions were characterized via gene expression analysis in both the latex and HbWRKY83-overexpressing transgenic Arabidopsis. HbWRKY83 gene contains an open reading frame (ORF) of 921 bp encoding a 306-amino-acid protein which is clustered with group IIc WRKY TF. HbWRKY83 is a nuclear-localized protein with transcriptional activity. Real-time quantitative PCR analysis demonstrated that the transcription level of HbWRKY83 was up-regulated by exogenous methyl jasmonate, Ethrel (ethylene releaser) stimulation, and bark tapping (mechanical wounding). Compared with the wild-type plants, overexpression of HbWRKY83 improved the tolerance of transgenic Arabidopsis lines to drought and salt stresses by enhancing the expression levels of ethylene-insensitive3 transcription factors (EIN3s) and several stress-responsive genes, including Cu/Zn superoxide dismutases CSD1 (Cu/Zn-SOD1) and CSD2 (Cu/Zn-SOD2), related to reactive oxygen species scavenging. Additionally, these genes were also significantly up-regulated by bark tapping. In combination, these results suggest that HbWRKY83 might act as a positive regulator of rubber production by activating the expression of JA-, ethylene-, and wound-responsive genes in the laticiferous cells of rubber trees.
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Affiliation(s)
- Guijuan Kang
- Key Laboratory of Biology and Genetic Resources of Rubber Tree, Ministry of Agriculture and Rural Affairs & Rubber Research Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou, Hainan, 571101, China
| | - Dong Yan
- Key Laboratory of Biology and Genetic Resources of Rubber Tree, Ministry of Agriculture and Rural Affairs & Rubber Research Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou, Hainan, 571101, China
| | - Xiaoli Chen
- Key Laboratory of Biology and Genetic Resources of Rubber Tree, Ministry of Agriculture and Rural Affairs & Rubber Research Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou, Hainan, 571101, China
| | - Yu Li
- Key Laboratory of Biology and Genetic Resources of Rubber Tree, Ministry of Agriculture and Rural Affairs & Rubber Research Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou, Hainan, 571101, China
| | - Lifu Yang
- Key Laboratory of Biology and Genetic Resources of Rubber Tree, Ministry of Agriculture and Rural Affairs & Rubber Research Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou, Hainan, 571101, China
| | - Rizhong Zeng
- Key Laboratory of Biology and Genetic Resources of Rubber Tree, Ministry of Agriculture and Rural Affairs & Rubber Research Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou, Hainan, 571101, China.
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4
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Ganesh I, Choi SC, Bae SW, Park JC, Ryu SB. Heterologous activation of the Hevea PEP16 promoter in the rubber-producing laticiferous tissues of Taraxacum kok-saghyz. Sci Rep 2020; 10:10844. [PMID: 32616731 PMCID: PMC7331677 DOI: 10.1038/s41598-020-67328-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2019] [Accepted: 06/03/2020] [Indexed: 11/16/2022] Open
Abstract
Hevea brasiliensis, the most abundant rubber crop, is used widely for the commercial production of natural rubber. To reduce the risk of a shortage in the supply of natural rubber that may arise from a single major rubber crop, rubber dandelion (Taraxacum kok-saghyz) has been developed as an alternative rubber-producing crop by using a transgenic approach. However, it is necessary to identify a suitable promoter for the transfer of rubber biosynthesis-related genes to the species. In this study, the promoter region of H. brasiliensis PEP16, which was isolated as a potentially important component in rubber biosynthesis, was sequenced and a pPEP16::GUS fusion construct was introduced into T. kok-saghyz. Histological and fluorometric studies using transgenic T. kok-saghyz plants indicated that the HbPEP16 promoter was highly activated in a laticiferous tissue-specific manner under normal growth conditions and that promoter activation was tightly regulated by various hormones and external signals. These findings suggested that the HbPEP16 promoter may be a useful molecular tool for the manipulation of gene expression in the laticiferous tissues of T. kok-saghyz.
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Affiliation(s)
- Irisappan Ganesh
- Plant Systems Engineering Research Center, Korea Research Institute of Bioscience & Biotechnology (KRIBB), Daejeon, 34141, Republic of Korea.,Research & Development Center, DRB Holding Co. LTD, Busan, Republic of Korea.,Department of Chemical Engineering, Pohang University of Science & Technology (POSTECH), Pohang, 37673, Republic of Korea
| | - Sang Chul Choi
- Plant Systems Engineering Research Center, Korea Research Institute of Bioscience & Biotechnology (KRIBB), Daejeon, 34141, Republic of Korea
| | - Sung Woo Bae
- Plant Systems Engineering Research Center, Korea Research Institute of Bioscience & Biotechnology (KRIBB), Daejeon, 34141, Republic of Korea.,Division of Bioengineering, KRIBB School, University of Science and Technology (UST), Daejeon, 34141, Republic of Korea
| | - Jong-Chan Park
- Plant Systems Engineering Research Center, Korea Research Institute of Bioscience & Biotechnology (KRIBB), Daejeon, 34141, Republic of Korea
| | - Stephen Beungtae Ryu
- Plant Systems Engineering Research Center, Korea Research Institute of Bioscience & Biotechnology (KRIBB), Daejeon, 34141, Republic of Korea. .,Division of Bioengineering, KRIBB School, University of Science and Technology (UST), Daejeon, 34141, Republic of Korea.
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5
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Cherian S, Ryu SB, Cornish K. Natural rubber biosynthesis in plants, the rubber transferase complex, and metabolic engineering progress and prospects. PLANT BIOTECHNOLOGY JOURNAL 2019; 17:2041-2061. [PMID: 31150158 PMCID: PMC6790360 DOI: 10.1111/pbi.13181] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2018] [Revised: 05/24/2019] [Accepted: 05/29/2019] [Indexed: 05/26/2023]
Abstract
Natural rubber (NR) is a nonfungible and valuable biopolymer, used to manufacture ~50 000 rubber products, including tires and medical gloves. Current production of NR is derived entirely from the para rubber tree (Hevea brasiliensis). The increasing demand for NR, coupled with limitations and vulnerability of H. brasiliensis production systems, has induced increasing interest among scientists and companies in potential alternative NR crops. Genetic/metabolic pathway engineering approaches, to generate NR-enriched genotypes of alternative NR plants, are of great importance. However, although our knowledge of rubber biochemistry has significantly advanced, our current understanding of NR biosynthesis, the biosynthetic machinery and the molecular mechanisms involved remains incomplete. Two spatially separated metabolic pathways provide precursors for NR biosynthesis in plants and their genes and enzymes/complexes are quite well understood. In contrast, understanding of the proteins and genes involved in the final step(s)-the synthesis of the high molecular weight rubber polymer itself-is only now beginning to emerge. In this review, we provide a critical evaluation of recent research developments in NR biosynthesis, in vitro reconstitution, and the genetic and metabolic pathway engineering advances intended to improve NR content in plants, including H. brasiliensis, two other prospective alternative rubber crops, namely the rubber dandelion and guayule, and model species, such as lettuce. We describe a new model of the rubber transferase complex, which integrates these developments. In addition, we highlight the current challenges in NR biosynthesis research and future perspectives on metabolic pathway engineering of NR to speed alternative rubber crop commercial development.
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Affiliation(s)
- Sam Cherian
- Plant Systems Engineering Research CentreKorea Research Institute of Bioscience and Biotechnology (KRIBB)Yuseong‐guDaejeonKorea
- Research & Development CenterDRB Holding Co. LTDBusanKorea
| | - Stephen Beungtae Ryu
- Plant Systems Engineering Research CentreKorea Research Institute of Bioscience and Biotechnology (KRIBB)Yuseong‐guDaejeonKorea
- Department of Biosystems and BioengineeringKRIBB School of BiotechnologyKorea University of Science and Technology (UST)DaejeonKorea
| | - Katrina Cornish
- Department of Horticulture and Crop ScienceThe Ohio State UniversityWoosterOHUSA
- Department of Food, Agricultural and Biological EngineeringThe Ohio State UniversityWoosterOHUSA
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6
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Men X, Wang F, Chen GQ, Zhang HB, Xian M. Biosynthesis of Natural Rubber: Current State and Perspectives. Int J Mol Sci 2018; 20:E50. [PMID: 30583567 PMCID: PMC6337083 DOI: 10.3390/ijms20010050] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2018] [Revised: 12/17/2018] [Accepted: 12/19/2018] [Indexed: 12/12/2022] Open
Abstract
Natural rubber is a kind of indispensable biopolymers with great use and strategic importance in human society. However, its production relies almost exclusively on rubber-producing plants Hevea brasiliensis, which have high requirements for growth conditions, and the mechanism of natural rubber biosynthesis remains largely unknown. In the past two decades, details of the rubber chain polymerization and proteins involved in natural rubber biosynthesis have been investigated intensively. Meanwhile, omics and other advanced biotechnologies bring new insight into rubber production and development of new rubber-producing plants. This review summarizes the achievements of the past two decades in understanding the biosynthesis of natural rubber, especially the massive information obtained from the omics analyses. Possibilities of natural rubber biosynthesis in vitro or in genetically engineered microorganisms are also discussed.
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Affiliation(s)
- Xiao Men
- CAS Key Laboratory of Biobased Materials, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, No.189 Songling Road, Laoshan District, Qingdao 266101, China.
| | - Fan Wang
- CAS Key Laboratory of Biobased Materials, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, No.189 Songling Road, Laoshan District, Qingdao 266101, China.
- University of Chinese Academy of Sciences, Beijing 100049, China.
| | - Guo-Qiang Chen
- CAS Key Laboratory of Biobased Materials, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, No.189 Songling Road, Laoshan District, Qingdao 266101, China.
| | - Hai-Bo Zhang
- CAS Key Laboratory of Biobased Materials, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, No.189 Songling Road, Laoshan District, Qingdao 266101, China.
| | - Mo Xian
- CAS Key Laboratory of Biobased Materials, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, No.189 Songling Road, Laoshan District, Qingdao 266101, China.
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7
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Wu C, Lan L, Li Y, Nie Z, Zeng R. The relationship between latex metabolism gene expression with rubber yield and related traits in Hevea brasiliensis. BMC Genomics 2018; 19:897. [PMID: 30526485 PMCID: PMC6288877 DOI: 10.1186/s12864-018-5242-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2018] [Accepted: 11/12/2018] [Indexed: 11/20/2022] Open
Abstract
Background Expression patterns of many laticifer-specific gens are closely correlative with rubber yield of Hevea brasiliensis (para rubber tree). To unveil the mechanisms underlying the rubber yield, transcript levels of nine major latex metabolism-related genes, i.e., HMG-CoA synthase (HMGS), HMG-CoA reductase (HMGR), diphosphomevalonate decarboxylase (PMD), farnesyl diphosphate synthase (FPS), cis-prenyltransferase (CPT), rubber elongation factor (REF), small rubber particle protein (SRPP), dihydroxyacid dehydratase (DHAD) and actin depolymerizing factor (ADF), were dertermined, and the relationship between rubber yield with their expression levels was analysed. Results Except HbHMGR1, HbPMD and HbDHAD, most of these genes were predominantly expressed in latex, and bark tapping markedly elevated the transcript abundance of the analyzed genes, with the 7th tapping producing the greatest expression levels. Both ethephon (ETH) and methyl jasmonate (MeJA) stimulation greatly induced the expression levels of the examined genes, at least at one time point, except HbDHAD, which was unresponsive to MeJA. The genes’ expression levels, as well as the rubber yields and two yield characteristics differed significantly among the different genotypes examined. Additionally, the latex and dry rubber yields increased gradually but the dry rubber content did not. Rubber yields and/or yield characteristics were significantly positively correlated with HbCPT, HbFPS, HbHMGS, HbHMGR1 and HbDHAD expression levels, negatively correlated with that of HbREF, but not significantly correlated with HbPMD, HbSRPP and HbADF expression levels. In addition, during rubber production, significantly positive correlations existed between the expression level of HbPMD and the levels of HbREF and HbHMGR1, between HbSRPP and the levels of HbHMGS and HbHMGR1, and between HbADF and HbFPS. Conclusions The up-regulation of these genes might be related to the latex production of rubber trees under the stress of bark tapping and latex metabolism. The various correlations among the genes implied that there are differences in their synergic interactions. Thus, these nine genes might be related to rubber yield and yield-related traits in H. brasiliensis, and this work increases our understanding of their complex functions and how they are expressed in both high-and medium-yield rubber tree varieties and low-yield wild rubber tree germplasm. Electronic supplementary material The online version of this article (10.1186/s12864-018-5242-4) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Chuntai Wu
- Ministry of Agriculture Key Laboratory of Biology and Genetic Resources of Rubber Tree, Rubber Research Institute, Chinese Academy of Tropical Agricultural Sciences (CATAS), Danzhou, Hainan, 571737, People's Republic of China
| | - Li Lan
- Ministry of Agriculture Key Laboratory of Biology and Genetic Resources of Rubber Tree, Rubber Research Institute, Chinese Academy of Tropical Agricultural Sciences (CATAS), Danzhou, Hainan, 571737, People's Republic of China.,College of Agriculture, Hainan University, Haikou, 570228, China
| | - Yu Li
- Ministry of Agriculture Key Laboratory of Biology and Genetic Resources of Rubber Tree, Rubber Research Institute, Chinese Academy of Tropical Agricultural Sciences (CATAS), Danzhou, Hainan, 571737, People's Republic of China
| | - Zhiyi Nie
- Ministry of Agriculture Key Laboratory of Biology and Genetic Resources of Rubber Tree, Rubber Research Institute, Chinese Academy of Tropical Agricultural Sciences (CATAS), Danzhou, Hainan, 571737, People's Republic of China
| | - Rizhong Zeng
- Ministry of Agriculture Key Laboratory of Biology and Genetic Resources of Rubber Tree, Rubber Research Institute, Chinese Academy of Tropical Agricultural Sciences (CATAS), Danzhou, Hainan, 571737, People's Republic of China.
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8
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Fonseca PLC, Badotti F, de Oliveira TFP, Fonseca A, Vaz ABM, Tomé LMR, Abrahão JS, Marques JT, Trindade GS, Chaverri P, Aguiar ERGR, Góes-Neto A. Virome analyses of Hevea brasiliensis using small RNA deep sequencing and PCR techniques reveal the presence of a potential new virus. Virol J 2018; 15:184. [PMID: 30477549 PMCID: PMC6258436 DOI: 10.1186/s12985-018-1095-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2018] [Accepted: 11/16/2018] [Indexed: 11/10/2022] Open
Abstract
Background Hevea brasiliensis is an important commercial crop due to the high quality of the latex it produces; however, little is known about viral infections in this plant. The only virus described to infect H. brasiliensis until now is a Carlavirus, which was described more than 30 years ago. Virus-derived small interfering RNA (vsiRNAs) are the product of the plant’s antiviral defense triggered by dsRNA viral intermediates generated, during the replication cycle. These vsiRNAs are complementar to viral genomes and have been widely used to identify and characterize viruses in plants. Methods In the present study, we investigated the virome of leaf and sapwood samples from native H. brasiliensis trees collected in two geographic areas in the Brazilian Amazon. Small RNA (sRNA) deep sequencing and bioinformatic tools were used to assembly, identify and characterize viral contigs. Subsequently, PCR amplification techniques were performed to experimentally verify the presence of the viral sequences. Finally, the phylogenetic relationship of the putative new virus with related viral genomes was analyzed. Results Our strategy allowed the identification of 32 contigs with high similarity to viral reference genomes, from which 23 exhibited homology to viruses of the Tymoviridae family. The reads showed a predominant size distribution at 21 nt derived from both strands, which was consistent with the vsiRNAs profile. The presence and genome position of the viral contigs were experimentally confirmed using droplet digital PCR amplifications. A 1913 aa long fragment was obtained and used to infer the phylogenetic relationship of the putative new virus, which indicated that it is taxonomically related to the Grapevine fleck virus, genus Maculavirus. The putative new virus was named Hevea brasiliensis virus (HBrV) in reference to its host. Conclusion The methodological strategy applied here proved to be efficient in detecting and confirming the presence of new viral sequences on a ‘very difficult to manage’ sample. This is the second time that viral sequences, that could be ascribed as a putative novel virus, associated to the rubber tree has been identified. Electronic supplementary material The online version of this article (10.1186/s12985-018-1095-3) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Paula L C Fonseca
- Department of Microbiology, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, MG, 31270-901, Brazil
| | - Fernanda Badotti
- Department of Chemistry, Centro Federal de Educação Tecnológica de Minas Gerais (CEFET-MG), Belo Horizonte, MG, 30421-169, Brazil
| | - Tatiana F P de Oliveira
- Department of Microbiology, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, MG, 31270-901, Brazil.,LANAGRO/MG -Laboratório Nacional da Agricultura, Ministério da Agricultura (MAPA), Pedro Leopoldo, MG, 33600-000, Brazil
| | - Antônio Fonseca
- LANAGRO/MG -Laboratório Nacional da Agricultura, Ministério da Agricultura (MAPA), Pedro Leopoldo, MG, 33600-000, Brazil
| | - Aline B M Vaz
- Department of Microbiology, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, MG, 31270-901, Brazil.,Faculdade de Minas (FAMINAS), Belo Horizonte, MG, 31744-007, Brazil
| | - Luiz M R Tomé
- Department of Microbiology, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, MG, 31270-901, Brazil
| | - Jônatas S Abrahão
- Department of Microbiology, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, MG, 31270-901, Brazil
| | - João T Marques
- Department of Biochemistry and Immunology, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, MG, 31270-901, Brazil
| | - Giliane S Trindade
- Department of Microbiology, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, MG, 31270-901, Brazil
| | - Priscila Chaverri
- Department of Plant Science and Landscape Architecture, University of Maryland, College Park, MD, 20742, USA.,Escuela de Biología, Universidad de Costa Rica, San Pedro, San José, 11501-2060, Costa Rica
| | - Eric R G R Aguiar
- Department of Biochemistry and Immunology, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, MG, 31270-901, Brazil. .,Instituto de Ciências da Saúde, Universidade Federal da Bahia (UFBA), Salvador, BA, ,40110-100, Brazil.
| | - Aristóteles Góes-Neto
- Department of Microbiology, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, MG, 31270-901, Brazil.
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9
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Yamashita S, Yamaguchi H, Waki T, Aoki Y, Mizuno M, Yanbe F, Ishii T, Funaki A, Tozawa Y, Miyagi-Inoue Y, Fushihara K, Nakayama T, Takahashi S. Identification and reconstitution of the rubber biosynthetic machinery on rubber particles from Hevea brasiliensis. eLife 2016; 5. [PMID: 27790974 PMCID: PMC5110245 DOI: 10.7554/elife.19022] [Citation(s) in RCA: 70] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2016] [Accepted: 10/25/2016] [Indexed: 12/20/2022] Open
Abstract
Natural rubber (NR) is stored in latex as rubber particles (RPs), rubber molecules surrounded by a lipid monolayer. Rubber transferase (RTase), the enzyme responsible for NR biosynthesis, is believed to be a member of the cis-prenyltransferase (cPT) family. However, none of the recombinant cPTs have shown RTase activity independently. We show that HRT1, a cPT from Heveabrasiliensis, exhibits distinct RTase activity in vitro only when it is introduced on detergent-washed HeveaRPs (WRPs) by a cell-free translation-coupled system. Using this system, a heterologous cPT from Lactucasativa also exhibited RTase activity, indicating proper introduction of cPT on RP is the key to reconstitute active RTase. RP proteomics and interaction network analyses revealed the formation of the protein complex consisting of HRT1, rubber elongation factor (REF) and HRT1-REF BRIDGING PROTEIN. The RTase activity enhancement observed for the complex assembled on WRPs indicates the HRT1-containing complex functions as the NR biosynthetic machinery. DOI:http://dx.doi.org/10.7554/eLife.19022.001
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Affiliation(s)
| | | | - Toshiyuki Waki
- Graduate School of Engineering, Tohoku University, Sendai, Japan
| | - Yuichi Aoki
- Graduate School of Engineering, Tohoku University, Sendai, Japan
| | - Makie Mizuno
- Graduate School of Engineering, Tohoku University, Sendai, Japan
| | - Fumihiro Yanbe
- Graduate School of Engineering, Tohoku University, Sendai, Japan
| | - Tomoki Ishii
- Graduate School of Engineering, Tohoku University, Sendai, Japan
| | - Ayuta Funaki
- Graduate School of Engineering, Tohoku University, Sendai, Japan
| | - Yuzuru Tozawa
- Graduate School of Science and Engineering, Saitama University, Saitama, Japan
| | | | | | - Toru Nakayama
- Graduate School of Engineering, Tohoku University, Sendai, Japan
| | - Seiji Takahashi
- Graduate School of Engineering, Tohoku University, Sendai, Japan
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10
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Yamashita S, Yamaguchi H, Waki T, Aoki Y, Mizuno M, Yanbe F, Ishii T, Funaki A, Tozawa Y, Miyagi-Inoue Y, Fushihara K, Nakayama T, Takahashi S. Identification and reconstitution of the rubber biosynthetic machinery on rubber particles from Hevea brasiliensis. eLife 2016; 5:e19022. [PMID: 27790974 DOI: 10.7554/elife.19022.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2016] [Accepted: 10/25/2016] [Indexed: 05/24/2023] Open
Abstract
Natural rubber (NR) is stored in latex as rubber particles (RPs), rubber molecules surrounded by a lipid monolayer. Rubber transferase (RTase), the enzyme responsible for NR biosynthesis, is believed to be a member of the cis-prenyltransferase (cPT) family. However, none of the recombinant cPTs have shown RTase activity independently. We show that HRT1, a cPT from Heveabrasiliensis, exhibits distinct RTase activity in vitro only when it is introduced on detergent-washed HeveaRPs (WRPs) by a cell-free translation-coupled system. Using this system, a heterologous cPT from Lactucasativa also exhibited RTase activity, indicating proper introduction of cPT on RP is the key to reconstitute active RTase. RP proteomics and interaction network analyses revealed the formation of the protein complex consisting of HRT1, rubber elongation factor (REF) and HRT1-REF BRIDGING PROTEIN. The RTase activity enhancement observed for the complex assembled on WRPs indicates the HRT1-containing complex functions as the NR biosynthetic machinery.
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Affiliation(s)
| | | | - Toshiyuki Waki
- Graduate School of Engineering, Tohoku University, Sendai, Japan
| | - Yuichi Aoki
- Graduate School of Engineering, Tohoku University, Sendai, Japan
| | - Makie Mizuno
- Graduate School of Engineering, Tohoku University, Sendai, Japan
| | - Fumihiro Yanbe
- Graduate School of Engineering, Tohoku University, Sendai, Japan
| | - Tomoki Ishii
- Graduate School of Engineering, Tohoku University, Sendai, Japan
| | - Ayuta Funaki
- Graduate School of Engineering, Tohoku University, Sendai, Japan
| | - Yuzuru Tozawa
- Graduate School of Science and Engineering, Saitama University, Saitama, Japan
| | | | | | - Toru Nakayama
- Graduate School of Engineering, Tohoku University, Sendai, Japan
| | - Seiji Takahashi
- Graduate School of Engineering, Tohoku University, Sendai, Japan
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Liu M, Qiu W, He X, Zheng L, Song X, Han X, Jiang J, Qiao G, Sang J, Liu M, Zhuo R. Functional Characterization of a Gene in Sedum alfredii Hance Resembling Rubber Elongation Factor Endowed with Functions Associated with Cadmium Tolerance. FRONTIERS IN PLANT SCIENCE 2016; 7:965. [PMID: 27446189 PMCID: PMC4925709 DOI: 10.3389/fpls.2016.00965] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/09/2015] [Accepted: 06/16/2016] [Indexed: 05/19/2023]
Abstract
Cadmium is a major toxic heavy-metal pollutant considering their bioaccumulation potential and persistence in the environment. The hyperaccumulating ecotype of Sedum alfredii Hance is a Zn/Cd co-hyperaccumulator inhabiting in a region of China with soils rich in Pb/Zn. Investigations into the underlying molecular regulatory mechanisms of Cd tolerance are of substantial interest. Here, library screening for genes related to cadmium tolerance identified a gene resembling the rubber elongation factor gene designated as SaREFl. The heterologous expression of SaREFl rescued the growth of a transformed Cd-sensitive strain (ycf1). Furthermore, SaREFl-expressing Arabidopsis plants were more tolerant to cadmium stress compared with wild type by measuring parameters of root length, fresh weight and physiological indexes. When under four different heavy metal treatments, we found that SaREFl responded most strongly to Cd and the root was the plant organ most sensitive to this heavy metal. Yeast two-hybrid screening of SaREFl as a bait led to the identification of five possible interacting targets in Sedum alfredii Hance. Among them, a gene annotated as prenylated Rab acceptor 1 (PRA1) domain protein was detected with a high frequency. Moreover, subcellular localization of SaREF1-GFP fusion protein revealed some patchy spots in cytosol suggesting potential association with organelles for its cellular functions. Our findings would further enrich the connotation of REF-like genes and provide theoretical assistance for the application in breeding heavy metal-tolerant plants.
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Affiliation(s)
- Mingying Liu
- State Key Laboratory of Tree Genetics and Breeding, Chinese Academy of Forestry, BeijingChina
- Key Laboratory of Tree Breeding of Zhejiang Province, The Research Institute of Subtropical Forestry, Chinese Academy of Forestry, HangzhouChina
| | - Wenming Qiu
- State Key Laboratory of Tree Genetics and Breeding, Chinese Academy of Forestry, BeijingChina
- Key Laboratory of Tree Breeding of Zhejiang Province, The Research Institute of Subtropical Forestry, Chinese Academy of Forestry, HangzhouChina
| | - Xuelian He
- State Key Laboratory of Tree Genetics and Breeding, Chinese Academy of Forestry, BeijingChina
- Key Laboratory of Tree Breeding of Zhejiang Province, The Research Institute of Subtropical Forestry, Chinese Academy of Forestry, HangzhouChina
- Biotechnology Research Center of China Three Gorges University, YichangChina
| | - Liu Zheng
- State Key Laboratory of Tree Genetics and Breeding, Chinese Academy of Forestry, BeijingChina
- Key Laboratory of Tree Breeding of Zhejiang Province, The Research Institute of Subtropical Forestry, Chinese Academy of Forestry, HangzhouChina
- Biotechnology Research Center of China Three Gorges University, YichangChina
| | - Xixi Song
- State Key Laboratory of Tree Genetics and Breeding, Chinese Academy of Forestry, BeijingChina
- Key Laboratory of Tree Breeding of Zhejiang Province, The Research Institute of Subtropical Forestry, Chinese Academy of Forestry, HangzhouChina
| | - Xiaojiao Han
- State Key Laboratory of Tree Genetics and Breeding, Chinese Academy of Forestry, BeijingChina
- Key Laboratory of Tree Breeding of Zhejiang Province, The Research Institute of Subtropical Forestry, Chinese Academy of Forestry, HangzhouChina
| | - Jing Jiang
- State Key Laboratory of Tree Genetics and Breeding, Chinese Academy of Forestry, BeijingChina
- Key Laboratory of Tree Breeding of Zhejiang Province, The Research Institute of Subtropical Forestry, Chinese Academy of Forestry, HangzhouChina
| | - Guirong Qiao
- State Key Laboratory of Tree Genetics and Breeding, Chinese Academy of Forestry, BeijingChina
- Key Laboratory of Tree Breeding of Zhejiang Province, The Research Institute of Subtropical Forestry, Chinese Academy of Forestry, HangzhouChina
| | - Jian Sang
- State Key Laboratory of Tree Genetics and Breeding, Chinese Academy of Forestry, BeijingChina
- Key Laboratory of Tree Breeding of Zhejiang Province, The Research Institute of Subtropical Forestry, Chinese Academy of Forestry, HangzhouChina
| | - Mingqing Liu
- State Key Laboratory of Tree Genetics and Breeding, Chinese Academy of Forestry, BeijingChina
- Vocational Secondary Specialized School of Hedong District, LinyiChina
| | - Renying Zhuo
- State Key Laboratory of Tree Genetics and Breeding, Chinese Academy of Forestry, BeijingChina
- Key Laboratory of Tree Breeding of Zhejiang Province, The Research Institute of Subtropical Forestry, Chinese Academy of Forestry, HangzhouChina
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12
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Sahebi M, Hanafi MM, Azizi P, Hakim A, Ashkani S, Abiri R. Suppression Subtractive Hybridization Versus Next-Generation Sequencing in Plant Genetic Engineering: Challenges and Perspectives. Mol Biotechnol 2016; 57:880-903. [PMID: 26271955 DOI: 10.1007/s12033-015-9884-z] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Suppression subtractive hybridization (SSH) is an effective method to identify different genes with different expression levels involved in a variety of biological processes. This method has often been used to study molecular mechanisms of plants in complex relationships with different pathogens and a variety of biotic stresses. Compared to other techniques used in gene expression profiling, SSH needs relatively smaller amounts of the initial materials, with lower costs, and fewer false positives present within the results. Extraction of total RNA from plant species rich in phenolic compounds, carbohydrates, and polysaccharides that easily bind to nucleic acids through cellular mechanisms is difficult and needs to be considered. Remarkable advancement has been achieved in the next-generation sequencing (NGS) field. As a result of progress within fields related to molecular chemistry and biology as well as specialized engineering, parallelization in the sequencing reaction has exceptionally enhanced the overall read number of generated sequences per run. Currently available sequencing platforms support an earlier unparalleled view directly into complex mixes associated with RNA in addition to DNA samples. NGS technology has demonstrated the ability to sequence DNA with remarkable swiftness, therefore allowing previously unthinkable scientific accomplishments along with novel biological purposes. However, the massive amounts of data generated by NGS impose a substantial challenge with regard to data safe-keeping and analysis. This review examines some simple but vital points involved in preparing the initial material for SSH and introduces this method as well as its associated applications to detect different novel genes from different plant species. This review evaluates general concepts, basic applications, plus the probable results of NGS technology in genomics, with unique mention of feasible potential tools as well as bioinformatics.
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Affiliation(s)
- Mahbod Sahebi
- Laboratory of Plantation Crops, Institute of Tropical Agriculture, Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia,
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