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Ali J, Mukarram M, Ojo J, Dawam N, Riyazuddin R, Ghramh HA, Khan KA, Chen R, Kurjak D, Bayram A. Harnessing Phytohormones: Advancing Plant Growth and Defence Strategies for Sustainable Agriculture. PHYSIOLOGIA PLANTARUM 2024; 176:e14307. [PMID: 38705723 DOI: 10.1111/ppl.14307] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/11/2024] [Revised: 04/07/2024] [Accepted: 04/10/2024] [Indexed: 05/07/2024]
Abstract
Phytohormones, pivotal regulators of plant growth and development, are increasingly recognized for their multifaceted roles in enhancing crop resilience against environmental stresses. In this review, we provide a comprehensive synthesis of current research on utilizing phytohormones to enhance crop productivity and fortify their defence mechanisms. Initially, we introduce the significance of phytohormones in orchestrating plant growth, followed by their potential utilization in bolstering crop defences against diverse environmental stressors. Our focus then shifts to an in-depth exploration of phytohormones and their pivotal roles in mediating plant defence responses against biotic stressors, particularly insect pests. Furthermore, we highlight the potential impact of phytohormones on agricultural production while underscoring the existing research gaps and limitations hindering their widespread implementation in agricultural practices. Despite the accumulating body of research in this field, the integration of phytohormones into agriculture remains limited. To address this discrepancy, we propose a comprehensive framework for investigating the intricate interplay between phytohormones and sustainable agriculture. This framework advocates for the adoption of novel technologies and methodologies to facilitate the effective deployment of phytohormones in agricultural settings and also emphasizes the need to address existing research limitations through rigorous field studies. By outlining a roadmap for advancing the utilization of phytohormones in agriculture, this review aims to catalyse transformative changes in agricultural practices, fostering sustainability and resilience in agricultural settings.
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Affiliation(s)
- Jamin Ali
- College of Plant Protection, Jilin Agricultural University, Changchun, PR China
| | - Mohammad Mukarram
- Food and Plant Biology Group, Department of Plant Biology, Universidad de la República, Montevideo, Uruguay
| | - James Ojo
- Department of Crop Production, Kwara State University, Malete, Nigeria
| | - Nancy Dawam
- Department of Zoology, Faculty of Natural and Applied Sciences, Plateau State University Bokkos, Diram, Nigeria
| | | | - Hamed A Ghramh
- Centre of Bee Research and its Products, Research Centre for Advanced Materials Science, King Khalid University, Abha, Saudi Arabia
- Biology Department, Faculty of Science, King Khalid University, Abha, Saudi Arabia
| | - Khalid Ali Khan
- Centre of Bee Research and its Products, Research Centre for Advanced Materials Science, King Khalid University, Abha, Saudi Arabia
- Applied College, King Khalid University, Abha, Saudi Arabia
| | - Rizhao Chen
- College of Plant Protection, Jilin Agricultural University, Changchun, PR China
| | - Daniel Kurjak
- Institute of Forest Ecology, Slovak Academy of Sciences, Zvolen, Slovakia
- Faculty of Forestry, Technical University in Zvolen, Zvolen, Slovakia
| | - Ahmet Bayram
- Plant Protection, Faculty of Agriculture, Technical University in Zvolen, Zvolen, Slovakia
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Bernal-Gallardo JJ, de Folter S. Plant genome information facilitates plant functional genomics. PLANTA 2024; 259:117. [PMID: 38592421 PMCID: PMC11004055 DOI: 10.1007/s00425-024-04397-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Accepted: 03/20/2024] [Indexed: 04/10/2024]
Abstract
MAIN CONCLUSION In this review, we give an overview of plant sequencing efforts and how this impacts plant functional genomics research. Plant genome sequence information greatly facilitates the studies of plant biology, functional genomics, evolution of genomes and genes, domestication processes, phylogenetic relationships, among many others. More than two decades of sequencing efforts have boosted the number of available sequenced plant genomes. The first plant genome, of Arabidopsis, was published in the year 2000 and currently, 4604 plant genomes from 1482 plant species have been published. Various large sequence initiatives are running, which are planning to produce tens of thousands of sequenced plant genomes in the near future. In this review, we give an overview on the status of sequenced plant genomes and on the use of genome information in different research areas.
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Affiliation(s)
- Judith Jazmin Bernal-Gallardo
- Unidad de Genómica Avanzada (UGA-Langebio), Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (Cinvestav), Irapuato, Mexico
| | - Stefan de Folter
- Unidad de Genómica Avanzada (UGA-Langebio), Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (Cinvestav), Irapuato, Mexico.
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Yong J, Wu M, Carroll BJ, Xu ZP, Zhang R. Enhancing plant biotechnology by nanoparticle delivery of nucleic acids. Trends Genet 2024; 40:352-363. [PMID: 38320883 DOI: 10.1016/j.tig.2024.01.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 01/12/2024] [Accepted: 01/12/2024] [Indexed: 02/08/2024]
Abstract
Plant biotechnology plays a crucial role in developing modern agriculture and plant science research. However, the delivery of exogenous genetic material into plants has been a long-standing obstacle. Nanoparticle-based delivery systems are being established to address this limitation and are proving to be a feasible, versatile, and efficient approach to facilitate the internalization of functional RNA and DNA by plants. The nanoparticle-based delivery systems can also be designed for subcellular delivery and controlled release of the biomolecular cargo. In this review, we provide a concise overview of the recent advances in nanocarriers for the delivery of biomolecules into plants, with a specific focus on applications to enhance RNA interference, foreign gene transfer, and genome editing in plants.
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Affiliation(s)
- Jiaxi Yong
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St Lucia, Queensland 4072, Australia; Centre for Horticultural Science, Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, St Lucia, Queensland 4072, Australia
| | - Miaomiao Wu
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St Lucia, Queensland 4072, Australia
| | - Bernard J Carroll
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Zhi Ping Xu
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St Lucia, Queensland 4072, Australia; Institute of Biomedical Health Technology and Engineering and Institute of Systems and Physical Biology, Shenzhen Bay Laboratory, Shenzhen, P. R. China 518107
| | - Run Zhang
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St Lucia, Queensland 4072, Australia; Centre for Nutrition and Food Sciences, Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, Indooroopilly, Queensland 4068, Australia.
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La Sala L, Carlini V, Conte C, Macas-Granizo MB, Afzalpour E, Martin-Delgado J, D'Anzeo M, Pedretti RFE, Naselli A, Pontiroli AE, Cappato R. Metabolic disorders affecting the liver and heart: Therapeutic efficacy of miRNA-based therapies? Pharmacol Res 2024; 201:107083. [PMID: 38309383 DOI: 10.1016/j.phrs.2024.107083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/14/2023] [Revised: 01/09/2024] [Accepted: 01/25/2024] [Indexed: 02/05/2024]
Abstract
Liver and heart disease are major causes of death worldwide. It is known that metabolic alteration causing type 2 diabetes (T2D) and Nonalcoholic fatty liver (NAFLD) coupled with a derangement in lipid homeostasis, may exacerbate hepatic and cardiovascular diseases. Some pharmacological treatments can mitigate organ dysfunctions but the important side effects limit their efficacy leading often to deterioration of the tissues. It needs to develop new personalized treatment approaches and recent progresses of engineered RNA molecules are becoming increasingly viable as alternative treatments. This review outlines the current use of antisense oligonucleotides (ASOs), RNA interference (RNAi) and RNA genome editing as treatment for rare metabolic disorders. However, the potential for small non-coding RNAs to serve as therapeutic agents for liver and heart diseases is yet to be fully explored. Although miRNAs are recognized as biomarkers for many diseases, they are also capable of serving as drugs for medical intervention; several clinical trials are testing miRNAs as therapeutics for type 2 diabetes, nonalcoholic fatty liver as well as cardiac diseases. Recent advances in RNA-based therapeutics may potentially facilitate a novel application of miRNAs as agents and as druggable targets. In this work, we sought to summarize the advancement and advantages of miRNA selective therapy when compared to conventional drugs. In particular, we sought to emphasise druggable miRNAs, over ASOs or other RNA therapeutics or conventional drugs. Finally, we sought to address research questions related to efficacy, side-effects, and range of use of RNA therapeutics. Additionally, we covered hurdles and examined recent advances in the use of miRNA-based RNA therapy in metabolic disorders such as diabetes, liver, and heart diseases.
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Affiliation(s)
- Lucia La Sala
- IRCCS MultiMedica, 20138 Milan, Italy; Dept. of Biomedical Sciences for Health, University of Milan, Milan, Italy.
| | | | - Caterina Conte
- IRCCS MultiMedica, 20138 Milan, Italy; Department of Human Sciences and Promotion of the Quality of Life, San Raffaele Roma Open University, Rome, Italy
| | | | - Elham Afzalpour
- Dept. of Biomedical Sciences and Clinic, University of Milan, Milan, Italy
| | - Jimmy Martin-Delgado
- Hospital Luis Vernaza, Junta de Beneficiencia de Guayaquil, 090603 Guayaquil, Ecuador; Instituto de Investigacion e Innovacion en Salud Integral, Universidad Catolica de Santiago de Guayaquil, Guayaquil 090603, Ecuador
| | - Marco D'Anzeo
- AUO delle Marche, SOD Medicina di Laboratorio, Ancona, Italy
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Singh VK, Ahmed S, Saini DK, Gahlaut V, Chauhan S, Khandare K, Kumar A, Sharma PK, Kumar J. Manipulating epigenetic diversity in crop plants: Techniques, challenges and opportunities. Biochim Biophys Acta Gen Subj 2024; 1868:130544. [PMID: 38104668 DOI: 10.1016/j.bbagen.2023.130544] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 12/04/2023] [Accepted: 12/11/2023] [Indexed: 12/19/2023]
Abstract
Epigenetic modifications act as conductors of inheritable alterations in gene expression, all while keeping the DNA sequence intact, thereby playing a pivotal role in shaping plant growth and development. This review article presents an overview of techniques employed to investigate and manipulate epigenetic diversity in crop plants, focusing on both naturally occurring and artificially induced epialleles. The significance of epigenetic modifications in facilitating adaptive responses is explored through the examination of how various biotic and abiotic stresses impact them. Further, environmental chemicals are explored for their role in inducing epigenetic changes, particularly focusing on inhibitors of DNA methylation like 5-AzaC and zebularine, as well as inhibitors of histone deacetylation including trichostatin A and sodium butyrate. The review delves into various approaches for generating epialleles, including tissue culture techniques, mutagenesis, and grafting, elucidating their potential to induce heritable epigenetic modifications in plants. In addition, the ground breaking CRISPR/Cas is emphasized for its accuracy in targeting specific epigenetic changes. This presents a potent tools for deciphering the intricacies of epigenetic mechanisms. Furthermore, the intricate relationship between epigenetic modifications and non-coding RNA expression, including siRNAs and miRNAs, is investigated. The emerging role of exo-RNAi in epigenetic regulation is also introduced, unveiling its promising potential for future applications. The article concludes by addressing the opportunities and challenges presented by these techniques, emphasizing their implications for crop improvement. Conclusively, this extensive review provides valuable insights into the intricate realm of epigenetic changes, illuminating their significance in phenotypic plasticity and their potential in advancing crop improvement.
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Affiliation(s)
| | - Shoeb Ahmed
- Ch. Charan Singh University, Meerut 250004, India
| | - Dinesh Kumar Saini
- Department of Plant and Soil Science, Texas Tech University, Lubbock, TX, United States
| | - Vijay Gahlaut
- University Centre for Research and Development, Chandigarh University, Mohali 140413, Punjab, India
| | | | - Kiran Khandare
- Center of Innovative and Applied Bioprocessing, Mohali 140308, Punjab, India
| | - Ashutosh Kumar
- Center of Innovative and Applied Bioprocessing, Mohali 140308, Punjab, India
| | - Pradeep Kumar Sharma
- Ch. Charan Singh University, Meerut 250004, India; Maharaja Suhel Dev State University, Azamgarh 276404, U.P., India
| | - Jitendra Kumar
- National Agri-Food Biotechnology Institute, Sector-81, Mohali 140306, Punjab, India.
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Animasaun DA, Lawrence JA. Antisense RNA (asRNA) technology: the concept and applications in crop improvement and sustainable agriculture. Mol Biol Rep 2023; 50:9545-9557. [PMID: 37755651 DOI: 10.1007/s11033-023-08814-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Accepted: 09/11/2023] [Indexed: 09/28/2023]
Abstract
Antisense RNA (asRNA) technology is a method used to silence genes and inhibit their expression. Gene function relies on expression, which follows the central dogma of molecular biology. The use of asRNA can regulate gene expression by targeting specific mRNAs, which can result in changes in phenotype, disease resistance, and other traits associated with protein expression profiles. This technology uses short, single-stranded oligonucleotide strands that are complementary to the targeted mRNA. Manipulating and regulating protein expression during its translation can either knock out or knock down the expression of a gene of interest. Therefore, functional genomics can benefit from this technology since it allows for the regulation of protein expression. In this review, we discuss the concept, and applications of asRNA technology which include delaying ripening, prolonging shelf life, biofortification, and increasing biotic and abiotic resistance among others in crop improvement and sustainable agriculture.
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Affiliation(s)
- David Adedayo Animasaun
- Department of Plant Biology, Faculty of Life Sciences, University of Ilorin, P.M.B. 1515, Ilorin, Kwara State, Nigeria.
- Plant Tissue Culture Lab, Central Research Laboratories, University of Ilorin, P.M.B.1515, Ilorin, Kwara State, Nigeria.
| | - Judith Amaka Lawrence
- Department of Plant Biology, Faculty of Life Sciences, University of Ilorin, P.M.B. 1515, Ilorin, Kwara State, Nigeria.
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Maiti S, Banik A. Strategies to fortify the nutritional values of polished rice by implanting selective traits from brown rice: A nutrigenomics-based approach. Food Res Int 2023; 173:113271. [PMID: 37803581 DOI: 10.1016/j.foodres.2023.113271] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Revised: 07/09/2023] [Accepted: 07/11/2023] [Indexed: 10/08/2023]
Abstract
Whole-grain cereals are important components of a healthy diet. It reduces the risk of many deadly diseases like cardiovascular diseases, diabetes, cancer, etc. Brown rice is an example of whole grain food, which is highly nutritious due to the presence of various bioactive compounds (flavonoids, phenolics, vitamins, phytosterols, oils, etc.) associated with the rice bran layer of brown rice. White rice is devoid of the nutritious rice bran layer and thus lacks the bioactive compounds which are the major attractants of brown rice. Therefore, to confer health benefits to the public at large, the nutrigenomic potential of white rice may be improved by integrating the phytochemicals associated with the rice bran layer of brown rice into it via biofortification processes like conventional breeding, agronomic practices, metabolic engineering, CRISPR/Cas9 technology, and RNAi techniques. Thus, this review article focuses on improving the nutritional qualities of white/polished rice through biofortification processes, utilizing new breeding technologies (NBTs).
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Affiliation(s)
- Somdatta Maiti
- Laboratory of Microbial Interaction, Institute of Health Sciences, Presidency University, Kolkata, West Bengal, India
| | - Avishek Banik
- Laboratory of Microbial Interaction, Institute of Health Sciences, Presidency University, Kolkata, West Bengal, India.
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8
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Safaei M, Khalighi F, Behabadi FA, Abpeikar Z, Goodarzi A, Kouhpayeh SA, Najafipour S, Ramezani V. Liposomal nanocarriers containing siRNA as small molecule-based drugs to overcome cancer drug resistance. Nanomedicine (Lond) 2023; 18:1745-1768. [PMID: 37965906 DOI: 10.2217/nnm-2023-0176] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2023] Open
Abstract
This review discusses the application of nanoliposomes containing siRNA/drug to overcome multidrug resistance for all types of cancer treatments. As drug resistance-associated factors are overexpressed in many cancer cell types, pumping chemotherapy drugs out of the cytoplasm leads to an inadequate therapeutic response. The siRNA/drug-loaded nanoliposomes are a promising approach to treating multidrug-resistant cancer, as they can effectively transmit a small-molecule drug into the target cytoplasm, ensuring that the drug binds efficiently. Moreover, nanoliposome-based therapeutics with advances in nanotechnology can effectively deliver siRNA to cancer cells. Overall, nanoliposomes have the potential to effectively deliver siRNA and small-molecule drugs in a targeted manner and are thus a promising tool for the treatment of cancer and other diseases.
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Affiliation(s)
- Mohsen Safaei
- Department of Tissue Engineering, School of Advanced Technologies in Medicine, Fasa University of Medical Sciences, Fasa, 7461686688, Iran
| | - Fatemeh Khalighi
- Department of Pharmaceutics, School of Pharmacy, Shahid Sadoughi University of Medical Sciences, Yazd, 9417694780, Iran
| | - Fatemeh Akhavan Behabadi
- Department of Pharmaceutics, School of Pharmacy, Shahid Sadoughi University of Medical Sciences, Yazd, 9417694780, Iran
| | - Zahra Abpeikar
- Department of Tissue Engineering, School of Advanced Technologies in Medicine, Fasa University of Medical Sciences, Fasa, 7461686688, Iran
| | - Arash Goodarzi
- Department of Tissue Engineering, School of Advanced Technologies in Medicine, Fasa University of Medical Sciences, Fasa, 7461686688, Iran
| | - Seyed Amin Kouhpayeh
- Department of Pharmacology, School of Medicine, Fasa University of Medical Sciences, Fasa, 7461686688, Iran
| | - Sohrab Najafipour
- Department of Microbiology, Faculty of Medicine, Fasa University of Medical Sciences, Fasa, 7461686688, Iran
| | - Vahid Ramezani
- Department of Pharmaceutics, School of Pharmacy, Shahid Sadoughi University of Medical Sciences, Yazd, 9417694780, Iran
- Pharmaceutical Sciences Research Center, School of Pharmacy, Shahid Sadoughi University of Medical Sciences, Yazd, 9417694780, Iran
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Bélanger S, Kramer MC, Payne HA, Hui AY, Slotkin RK, Meyers BC, Staub JM. Plastid dsRNA transgenes trigger phased small RNA-based gene silencing of nuclear-encoded genes. THE PLANT CELL 2023; 35:3398-3412. [PMID: 37309669 PMCID: PMC10473229 DOI: 10.1093/plcell/koad165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Revised: 05/16/2023] [Accepted: 06/12/2023] [Indexed: 06/14/2023]
Abstract
Plastid transformation technology has been widely used to express traits of potential commercial importance, though the technology has been limited to traits that function while sequestered in the organelle. Prior research indicates that plastid contents can escape from the organelle, suggesting a possible mechanism for engineering plastid transgenes to function in other cellular locations. To test this hypothesis, we created tobacco (Nicotiana tabacum cv. Petit Havana) plastid transformants that express a fragment of the nuclear-encoded Phytoene desaturase (PDS) gene capable of catalyzing post-transcriptional gene silencing if RNA escapes into the cytoplasm. We found multiple lines of direct evidence that plastid-encoded PDS transgenes affect nuclear PDS gene silencing: knockdown of the nuclear-encoded PDS mRNA and/or its apparent translational inhibition, biogenesis of 21-nucleotide (nt) phased small interfering RNAs (phasiRNAs), and pigment-deficient plants. Furthermore, plastid-expressed dsRNA with no cognate nuclear-encoded pairing partner also produced abundant 21-nt phasiRNAs in the cytoplasm, demonstrating that a nuclear-encoded template is not required for siRNA biogenesis. Our results indicate that RNA escape from plastids to the cytoplasm occurs generally, with functional consequences that include entry into the gene silencing pathway. Furthermore, we uncover a method to produce plastid-encoded traits with functions outside of the organelle and open additional fields of study in plastid development, compartmentalization, and small RNA biogenesis.
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Affiliation(s)
- Sébastien Bélanger
- Donald Danforth Plant Science Center, 975 N. Warson Road, St. Louis, MO 63132, USA
| | - Marianne C Kramer
- Donald Danforth Plant Science Center, 975 N. Warson Road, St. Louis, MO 63132, USA
| | - Hayden A Payne
- Donald Danforth Plant Science Center, 975 N. Warson Road, St. Louis, MO 63132, USA
| | - Alice Y Hui
- Plastomics Inc, 1100 Corporate Square Drive, St. Louis, MO 63132, USA
| | - R Keith Slotkin
- Donald Danforth Plant Science Center, 975 N. Warson Road, St. Louis, MO 63132, USA
- Division of Biological Sciences, University of Missouri, Columbia, MO 65211, USA
| | - Blake C Meyers
- Donald Danforth Plant Science Center, 975 N. Warson Road, St. Louis, MO 63132, USA
- Division of Plant Science and Technology, University of Missouri, Columbia, MO 65211, USA
| | - Jeffrey M Staub
- Plastomics Inc, 1100 Corporate Square Drive, St. Louis, MO 63132, USA
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Khairkhah N, Namvar A, Bolhassani A. Application of Cell Penetrating Peptides as a Promising Drug Carrier to Combat Viral Infections. Mol Biotechnol 2023; 65:1387-1402. [PMID: 36719639 PMCID: PMC9888354 DOI: 10.1007/s12033-023-00679-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Accepted: 01/20/2023] [Indexed: 02/01/2023]
Abstract
Novel effective drugs or therapeutic vaccines have been already developed to eradicate viral infections. Some non-viral carriers have been used for effective drug delivery to a target cell or tissue. Among them, cell penetrating peptides (CPPs) attracted a special interest to enhance drug delivery into the cells with low toxicity. They were also applied to transfer peptide/protein-based and nucleic acids-based therapeutic vaccines against viral infections. CPPs-conjugated drugs or vaccines were investigated in several viral infections including poliovirus, Ebola, coronavirus, herpes simplex virus, human immunodeficiency virus, hepatitis B virus, hepatitis C virus, Japanese encephalitis virus, and influenza A virus. Some studies showed that the uptake of CPPs or CPPs-conjugated drugs can be performed through both non-endocytic and endocytic pathways. Despite high potential of CPPs for cargo delivery, there are some serious drawbacks such as non-tissue-specificity, instability, and suboptimal pharmacokinetics features that limit their clinical applications. At present, some solutions are utilized to improve the CPPs properties such as conjugation of CPPs with targeting moieties, the use of fusogenic lipids, generation of the proton sponge effect, etc. Up to now, no CPP or composition containing CPPs has been approved by the Food and Drug Administration (FDA) due to the lack of sufficient in vivo studies on stability, immunological assays, toxicity, and endosomal escape of CPPs. In this review, we briefly describe the properties, uptake mechanisms, advantages and disadvantages, and improvement of intracellular delivery, and bioavailability of cell penetrating peptides. Moreover, we focus on their application as an effective drug carrier to combat viral infections.
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Affiliation(s)
- Niloofar Khairkhah
- Department of Hepatitis and AIDS, Pasteur Institute of Iran, Tehran, Iran
| | - Ali Namvar
- Iranian Comprehensive Hemophilia Care Center, Tehran, Iran
| | - Azam Bolhassani
- Department of Hepatitis and AIDS, Pasteur Institute of Iran, Tehran, Iran.
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11
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Yu Y, Shi S. Development and Perspective of Rhodotorula toruloides as an Efficient Cell Factory. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:1802-1819. [PMID: 36688927 DOI: 10.1021/acs.jafc.2c07361] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Rhodotorula toruloides is receiving significant attention as a novel cell factory because of its high production of lipids and carotenoids, fast growth and high cell density, as well as the ability to utilize a wide variety of substrates. These attractive traits of R. toruloides make it possible to become a low-cost producer that can be engineered for the production of various fuels and chemicals. However, the lack of understanding and genetic engineering tools impedes its metabolic engineering applications. A number of research efforts have been devoted to filling these gaps. This review focuses on recent developments in genetic engineering tools, advances in systems biology for improved understandings, and emerging engineered strains for metabolic engineering applications. Finally, future trends and barriers in developing R. toruloides as a cell factory are also discussed.
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Affiliation(s)
- Yi Yu
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China
| | - Shuobo Shi
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China
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12
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Erenpreisa J, Giuliani A, Yoshikawa K, Falk M, Hildenbrand G, Salmina K, Freivalds T, Vainshelbaum N, Weidner J, Sievers A, Pilarczyk G, Hausmann M. Spatial-Temporal Genome Regulation in Stress-Response and Cell-Fate Change. Int J Mol Sci 2023; 24:ijms24032658. [PMID: 36769000 PMCID: PMC9917235 DOI: 10.3390/ijms24032658] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 01/17/2023] [Accepted: 01/22/2023] [Indexed: 02/04/2023] Open
Abstract
Complex functioning of the genome in the cell nucleus is controlled at different levels: (a) the DNA base sequence containing all relevant inherited information; (b) epigenetic pathways consisting of protein interactions and feedback loops; (c) the genome architecture and organization activating or suppressing genetic interactions between different parts of the genome. Most research so far has shed light on the puzzle pieces at these levels. This article, however, attempts an integrative approach to genome expression regulation incorporating these different layers. Under environmental stress or during cell development, differentiation towards specialized cell types, or to dysfunctional tumor, the cell nucleus seems to react as a whole through coordinated changes at all levels of control. This implies the need for a framework in which biological, chemical, and physical manifestations can serve as a basis for a coherent theory of gene self-organization. An international symposium held at the Biomedical Research and Study Center in Riga, Latvia, on 25 July 2022 addressed novel aspects of the abovementioned topic. The present article reviews the most recent results and conclusions of the state-of-the-art research in this multidisciplinary field of science, which were delivered and discussed by scholars at the Riga symposium.
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Affiliation(s)
| | - Alessandro Giuliani
- Istituto Superiore di Sanita Environment and Health Department, 00161 Roma, Italy
| | - Kenichi Yoshikawa
- Faculty of Life and Medical Sciences, Doshisha University, Kyoto 610-0394, Japan
| | - Martin Falk
- Institute of Biophysics, The Czech Academy of Sciences, 612 65 Brno, Czech Republic
- Kirchhoff Institute for Physics, Heidelberg University, 69120 Heidelberg, Germany
| | - Georg Hildenbrand
- Kirchhoff Institute for Physics, Heidelberg University, 69120 Heidelberg, Germany
- Faculty of Engineering, University of Applied Science Aschaffenburg, 63743 Aschaffenburg, Germany
| | - Kristine Salmina
- Latvian Biomedicine Research and Study Centre, LV1067 Riga, Latvia
| | - Talivaldis Freivalds
- Institute of Cardiology and Regenerative Medicine, University of Latvia, LV1004 Riga, Latvia
| | - Ninel Vainshelbaum
- Latvian Biomedicine Research and Study Centre, LV1067 Riga, Latvia
- Doctoral Study Program, University of Latvia, LV1004 Riga, Latvia
| | - Jonas Weidner
- Kirchhoff Institute for Physics, Heidelberg University, 69120 Heidelberg, Germany
| | - Aaron Sievers
- Kirchhoff Institute for Physics, Heidelberg University, 69120 Heidelberg, Germany
- Institute for Human Genetics, University Hospital Heidelberg, 69117 Heidelberg, Germany
| | - Götz Pilarczyk
- Kirchhoff Institute for Physics, Heidelberg University, 69120 Heidelberg, Germany
| | - Michael Hausmann
- Kirchhoff Institute for Physics, Heidelberg University, 69120 Heidelberg, Germany
- Correspondence:
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Functional inhibition of the StERF3 gene by dual targeting through CRISPR/Cas9 enhances resistance to the late blight disease in Solanum tuberosum L. Mol Biol Rep 2022; 49:11675-11684. [PMID: 36178561 DOI: 10.1007/s11033-022-07958-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Accepted: 09/17/2022] [Indexed: 10/14/2022]
Abstract
BACKGROUND Disease-resistant cultivars are the best solution to get their maximum yield potential and avoid fungicide application. There is no doubt about the contribution, and use of R genes (resistance genes) in resistance development in plants, while S genes (susceptibility genes) also hold a strong position in pathogenesis by resistance repression, and their loss of function contributes to enhanced resistance. Hence, we attempted to knock out the function of the StERF3 gene in potatoes through CRISPR/Cas9-based genome editing and investigated the CRISPR/Cas9 approach as strategic control against late blight disease in potato plants. METHODS AND RESULTS The StERF3 gene was edited in late blight susceptible cv. Lady Rosetta. Full allelic edited plants were identified through DnpI, and N1aIV mediated restriction digestion and then further analyzed through Indel Detection by Amplicon Analysis. Sequence analysis of targeted plants for indel identification showed full allelic editing. The detached leaf assay of full allelic edited plants demonstrated the role of the StERF3 gene in susceptibility to late blight in potatoes. In planta disease assay also showed reduced, slowed, and delayed disease progression in StERF3-loss-of-function mutants compared to wild-type (control) plants. Less fungal biomass was quantified in knockouts through Real-time qPCR that supported less susceptibility of edited plants to late blight. Besides, relatively high expression of pathogens-related genes, StPR1, and StNPR1, were also observed in StERF3-loss-of-function mutants compared to the corresponding control. CONCLUSION The results showed the functional inhibition of StERF3 genes using the CRISPR/Cas9 approach. The functional knockouts (StERF3 gene-edited potato plants) revealed enhanced resistance against Phytophthora infestans, thereby demonstrating the best strategic control for late blight disease in potato plants.
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14
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Ullah I, Kamel EAR, Shah ST, Basit A, Mohamed HI, Sajid M. Application of RNAi technology: a novel approach to navigate abiotic stresses. Mol Biol Rep 2022; 49:10975-10993. [PMID: 36057876 DOI: 10.1007/s11033-022-07871-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2022] [Accepted: 08/15/2022] [Indexed: 11/26/2022]
Abstract
BACKGROUND Due to the rising population globally, and the demand for food, it is critical to significantly increase crop production by 2050. However, climate change estimates show that droughts and heatwaves will become more prevalent in many parts of the world, posing a severe danger to food output. METHODS Selective breeding based on genetic diversity is falling short of meeting the expanding need for food and feed. However, the advent of modern plant genetic engineering, genome editing, and synthetic biology provides precise techniques for producing crops capable of sustaining yield under stress situations. RESULTS As a result, crop varieties with built-in genetic tolerance to environmental challenges are desperately needed. In the recent years, small RNA (sRNA) data has progressed to become one of the most effective approaches for the improvement of crops. So many sRNAs (18-30nt) have been found with the use of hi-tech bioinformatics and sequencing techniques which are involved in the regulation of sequence specific gene noncoding RNAs (short ncRNAs) i.e., microRNA (miRNA) and small interfering RNA (siRNA). Such research outcomes may advance our understanding of the genetic basis of adaptability of plants to various environmental challenges and the genetic variation of plant's tolerance to a number of abiotic stresses. CONCLUSION The review article highlights current trends and advances in sRNAs' critical role in responses of plants to drought, heat, cold, and salinity, and also the potential technology that identifies the abiotic stress-regulated sRNAs, and techniques for analyzing and validating the target genes.
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Affiliation(s)
- Izhar Ullah
- Department of Horticulture, Faculty of Crop Production Sciences, The University of Agriculture, Peshawar, 25120, Pakistan
| | - Ehab A R Kamel
- Department of Biological and Geological Sciences, Faculty of Education, Ain Shams University, Cairo, Egypt
| | - Syed Tanveer Shah
- Department of Horticulture, Faculty of Crop Production Sciences, The University of Agriculture, Peshawar, 25120, Pakistan
| | - Abdul Basit
- Department of Horticulture, Faculty of Crop Production Sciences, The University of Agriculture, Peshawar, 25120, Pakistan
| | - Heba I Mohamed
- Department of Biological and Geological Sciences, Faculty of Education, Ain Shams University, Cairo, Egypt.
| | - Muhammad Sajid
- Department of Horticulture, Faculty of Crop Production Sciences, The University of Agriculture, Peshawar, 25120, Pakistan
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15
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Jia Z, Zhang B, Sharma A, Kim NS, Purohit SM, Green MM, Roche MR, Holliday E, Chen H. Revelation of the sciences of traditional foods. Food Control 2022. [DOI: 10.1016/j.foodcont.2022.109392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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16
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Rehman U, Parveen N, Sheikh A, Abourehab MAS, Sahebkar A, Kesharwani P. Polymeric nanoparticles-siRNA as an emerging nano-polyplexes against ovarian cancer. Colloids Surf B Biointerfaces 2022; 218:112766. [PMID: 35994990 DOI: 10.1016/j.colsurfb.2022.112766] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Revised: 08/04/2022] [Accepted: 08/08/2022] [Indexed: 10/15/2022]
Abstract
Ovarian cancer (OC) is considered fifth-deadliest cancer globally responsible for high mortality in women. As the conventional therapeutic and diagnostic approaches are ineffective in increasing the survival rates of advanced staged patients by more than 5 years, OC has resulted in high morbidity and mortality rates over the last two decades. As a result, there is a dire need for innovative treatment approaches to address the issues. RNAi and nanotechnology can be considered the most appropriate strategies that can be used to improve OC therapy and help circumvent the chemo-resistance. siRNA is considered highly successful in facilitating the knockdown of specific genes on entering the cytosol when administered in-vivo via inhibiting the mRNA expression responsible for translation of those specific genes through the mechanism called RNA interference (RNAi). However, the primary barrier of utmost importance in the clinical efficacy of employed siRNA for the treatment of OC is the systemic distribution to the targeted site from the administration site. As a result, nanoparticles are constructed to carry the siRNA molecules inside them to the targeted site by preventing serum degradation and enhancing the serum stability of administered siRNA. The present review assesses the developments made in the polymeric-based nanoparticle siRNA delivery for targeting particular genes involved in the prognosis of ovarian cancers and surpassing the chemo-resistance and thus improving the therapeutic potentials of administered agents.
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Affiliation(s)
- Urushi Rehman
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi 110062, India
| | - Neha Parveen
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi 110062, India
| | - Afsana Sheikh
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi 110062, India
| | - Mohammed A S Abourehab
- Department of Pharmaceutics, College of Pharmacy, Umm Al-Qura University, Makkah 21955, Saudi Arabia; Department of Pharmaceutics and Industrial Pharmacy, College of Pharmacy, Minia University, Minia 61519, Egypt
| | - Amirhossein Sahebkar
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Prashant Kesharwani
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi 110062, India.
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17
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Un Jan Contreras S, Gardner CM. Environmental fate and behaviour of antibiotic resistance genes and small interference RNAs released from genetically modified crops. J Appl Microbiol 2022; 133:2877-2892. [PMID: 35892194 DOI: 10.1111/jam.15741] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 07/21/2022] [Accepted: 07/23/2022] [Indexed: 11/30/2022]
Abstract
Rising global populations have amplified food scarcity across the world and ushered in the development of genetically modified (GM) crops to overcome these challenges. Cultivation of major crops such as corn and soy has favoured GM crops over conventional varieties to meet crop production and resilience needs. Modern GM crops containing small interference RNA molecules and antibiotic resistance genes have become increasingly common in the United States. However, the use of these crops remains controversial due to the uncertainty regarding the unintended release of its genetic material into the environment and possible downstream effects on human and environmental health. DNA or RNA transgenes may be exuded from crop tissues during cultivation or released during plant decomposition and adsorbed by soil. This can contribute to the persistence and bioavailability in soil or water environment and possible uptake by soil microbial communities and further passing of this information to neighbouring bacteria, disrupting microbial ecosystem services such as nutrient cycling and soil fertility. In this review, transgene mechanisms of action, uses in crops, and knowledge regarding their environmental fate and impact to microbes are evaluated. This aims to encapsulate the current knowledge and promote further research regarding unintended effects transgenes may cause.
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Affiliation(s)
- Sandra Un Jan Contreras
- Department of Civil and Environmental Engineering, Washington State University, Pullman, Washington, USA
| | - Courtney M Gardner
- Department of Civil and Environmental Engineering, Washington State University, Pullman, Washington, USA
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18
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Touzdjian Pinheiro Kohlrausch Távora F, de Assis dos Santos Diniz F, de Moraes Rêgo-Machado C, Chagas Freitas N, Barbosa Monteiro Arraes F, Chumbinho de Andrade E, Furtado LL, Osiro KO, Lima de Sousa N, Cardoso TB, Márcia Mertz Henning L, Abrão de Oliveira Molinari P, Feingold SE, Hunter WB, Fátima Grossi de Sá M, Kobayashi AK, Lima Nepomuceno A, Santiago TR, Correa Molinari HB. CRISPR/Cas- and Topical RNAi-Based Technologies for Crop Management and Improvement: Reviewing the Risk Assessment and Challenges Towards a More Sustainable Agriculture. Front Bioeng Biotechnol 2022; 10:913728. [PMID: 35837551 PMCID: PMC9274005 DOI: 10.3389/fbioe.2022.913728] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Accepted: 06/06/2022] [Indexed: 11/13/2022] Open
Abstract
Clustered regularly interspaced short palindromic repeats (CRISPR)/CRISPR-associated gene (Cas) system and RNA interference (RNAi)-based non-transgenic approaches are powerful technologies capable of revolutionizing plant research and breeding. In recent years, the use of these modern technologies has been explored in various sectors of agriculture, introducing or improving important agronomic traits in plant crops, such as increased yield, nutritional quality, abiotic- and, mostly, biotic-stress resistance. However, the limitations of each technique, public perception, and regulatory aspects are hindering its wide adoption for the development of new crop varieties or products. In an attempt to reverse these mishaps, scientists have been researching alternatives to increase the specificity, uptake, and stability of the CRISPR and RNAi system components in the target organism, as well as to reduce the chance of toxicity in nontarget organisms to minimize environmental risk, health problems, and regulatory issues. In this review, we discuss several aspects related to risk assessment, toxicity, and advances in the use of CRISPR/Cas and topical RNAi-based technologies in crop management and breeding. The present study also highlights the advantages and possible drawbacks of each technology, provides a brief overview of how to circumvent the off-target occurrence, the strategies to increase on-target specificity, the harm/benefits of association with nanotechnology, the public perception of the available techniques, worldwide regulatory frameworks regarding topical RNAi and CRISPR technologies, and, lastly, presents successful case studies of biotechnological solutions derived from both technologies, raising potential challenges to reach the market and being social and environmentally safe.
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Affiliation(s)
| | | | | | | | | | | | | | - Karen Ofuji Osiro
- Department of Phytopathology, University of Brasília, Brasília, Brazil
- Embrapa Agroenergy, Brasília, Brazil
| | | | | | | | | | | | - Wayne B. Hunter
- USDA-ARS, U.S. Horticultural Research Laboratory, Fort Pierce, FL, United States
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19
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Kumar J, Kumar A, Sen Gupta D, Kumar S, DePauw RM. Reverse genetic approaches for breeding nutrient-rich and climate-resilient cereal and food legume crops. Heredity (Edinb) 2022; 128:473-496. [PMID: 35249099 PMCID: PMC9178024 DOI: 10.1038/s41437-022-00513-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 02/10/2022] [Accepted: 02/10/2022] [Indexed: 12/21/2022] Open
Abstract
In the last decade, advancements in genomics tools and techniques have led to the discovery of many genes. Most of these genes still need to be characterized for their associated function and therefore, such genes remain underutilized for breeding the next generation of improved crop varieties. The recent developments in different reverse genetic approaches have made it possible to identify the function of genes controlling nutritional, biochemical, and metabolic traits imparting drought, heat, cold, salinity tolerance as well as diseases and insect-pests. This article focuses on reviewing the current status and prospects of using reverse genetic approaches to breed nutrient-rich and climate resilient cereal and food legume crops.
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Affiliation(s)
- Jitendra Kumar
- Division of Crop Improvement, ICAR-Indian Institute of Pulses Research, Kanpur, India.
| | - Ajay Kumar
- Department of Plant Sciences, North Dakota State University, Fargo, ND, 58108, USA
| | - Debjyoti Sen Gupta
- Division of Crop Improvement, ICAR-Indian Institute of Pulses Research, Kanpur, India
| | - Sachin Kumar
- Department of Genetics and Plant Breeding, Chaudhary Charan Singh University, Meerut, 250 004, India
| | - Ron M DePauw
- Advancing Wheat Technologies, 118 Strathcona Rd SW, Calgary, AB, T3H 1P3, Canada
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20
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Hatmal MM, Al-Hatamleh MAI, Olaimat AN, Alshaer W, Hasan H, Albakri KA, Alkhafaji E, Issa NN, Al-Holy MA, Abderrahman SM, Abdallah AM, Mohamud R. Immunomodulatory Properties of Human Breast Milk: MicroRNA Contents and Potential Epigenetic Effects. Biomedicines 2022; 10:biomedicines10061219. [PMID: 35740242 PMCID: PMC9219990 DOI: 10.3390/biomedicines10061219] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2022] [Revised: 05/15/2022] [Accepted: 05/17/2022] [Indexed: 02/07/2023] Open
Abstract
Infants who are exclusively breastfed in the first six months of age receive adequate nutrients, achieving optimal immune protection and growth. In addition to the known nutritional components of human breast milk (HBM), i.e., water, carbohydrates, fats and proteins, it is also a rich source of microRNAs, which impact epigenetic mechanisms. This comprehensive work presents an up-to-date overview of the immunomodulatory constituents of HBM, highlighting its content of circulating microRNAs. The epigenetic effects of HBM are discussed, especially those regulated by miRNAs. HBM contains more than 1400 microRNAs. The majority of these microRNAs originate from the lactating gland and are based on the remodeling of cells in the gland during breastfeeding. These miRNAs can affect epigenetic patterns by several mechanisms, including DNA methylation, histone modifications and RNA regulation, which could ultimately result in alterations in gene expressions. Therefore, the unique microRNA profile of HBM, including exosomal microRNAs, is implicated in the regulation of the genes responsible for a variety of immunological and physiological functions, such as FTO, INS, IGF1, NRF2, GLUT1 and FOXP3 genes. Hence, studying the HBM miRNA composition is important for improving the nutritional approaches for pregnancy and infant's early life and preventing diseases that could occur in the future. Interestingly, the composition of miRNAs in HBM is affected by multiple factors, including diet, environmental and genetic factors.
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Affiliation(s)
- Ma’mon M. Hatmal
- Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, The Hashemite University, P.O. Box 330127, Zarqa 13133, Jordan;
- Correspondence: (M.M.H.); (R.M.)
| | - Mohammad A. I. Al-Hatamleh
- Department of Immunology, School of Medical Sciences, Universiti Sains Malaysia, Kubang Kerian, Kota Bharu 16150, Malaysia;
| | - Amin N. Olaimat
- Department of Clinical Nutrition and Dietetics, Faculty of Applied Medical Sciences, The Hashemite University, P.O. Box 330127, Zarqa 13133, Jordan; (A.N.O.); (M.A.A.-H.)
| | - Walhan Alshaer
- Cell Therapy Center (CTC), The University of Jordan, Amman 11942, Jordan;
| | - Hanan Hasan
- Department of Pathology, Microbiology and Forensic Medicine, School of Medicine, The University of Jordan, Amman 11942, Jordan;
| | - Khaled A. Albakri
- Faculty of Medicine, The Hashemite University, P.O. Box 330127, Zarqa 13133, Jordan;
| | - Enas Alkhafaji
- Department of Pharmaceutical Sciences, Faculty of Pharmacy, The University of Jordan, Amman 11942, Jordan;
| | - Nada N. Issa
- Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, The Hashemite University, P.O. Box 330127, Zarqa 13133, Jordan;
| | - Murad A. Al-Holy
- Department of Clinical Nutrition and Dietetics, Faculty of Applied Medical Sciences, The Hashemite University, P.O. Box 330127, Zarqa 13133, Jordan; (A.N.O.); (M.A.A.-H.)
| | - Salim M. Abderrahman
- Department of Biology and Biotechnology, Faculty of Sciences, The Hashemite University, P.O. Box 330127, Zarqa 13133, Jordan;
| | - Atiyeh M. Abdallah
- Department of Biomedical Sciences, College of Health Sciences, QU Health, Qatar University, Doha 2713, Qatar;
| | - Rohimah Mohamud
- Department of Immunology, School of Medical Sciences, Universiti Sains Malaysia, Kubang Kerian, Kota Bharu 16150, Malaysia;
- Correspondence: (M.M.H.); (R.M.)
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21
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Hameed A, Orczyk W. Nanoscale Carriers for Enhanced Delivery of Nucleotide- and Peptide-
Reagents to Plants. Protein Pept Lett 2022; 29:281-283. [DOI: 10.2174/0929866529666220225101218] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Revised: 01/03/2022] [Accepted: 01/06/2022] [Indexed: 11/22/2022]
Affiliation(s)
- Amir Hameed
- Akhuwat-Faisalabad Institute of Research Science and Technology, Faisalabad, Pakistan
- Plant Breeding and Acclimatization Institute - National Research Institute, Radzików, 05-870, Błonie, Poland
| | - Wacław Orczyk
- Plant Breeding and Acclimatization Institute - National Research Institute, Radzików, 05-870, Błonie, Poland
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22
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Chennakesavulu K, Singh H, Trivedi PK, Jain M, Yadav SR. State-of-the-Art in CRISPR Technology and Engineering Drought, Salinity, and Thermo-tolerant crop plants. PLANT CELL REPORTS 2022; 41:815-831. [PMID: 33742256 DOI: 10.1007/s00299-021-02681-w] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Accepted: 03/04/2021] [Indexed: 05/28/2023]
Abstract
Our review has described principles and functional importance of CRISPR-Cas9 with emphasis on the recent advancements, such as CRISPR-Cpf1, base editing (BE), prime editing (PE), epigenome editing, tissue-specific (CRISPR-TSKO), and inducible genome editing and their potential applications in generating stress-tolerant plants. Improved agricultural practices and enhanced food crop production using innovative crop breeding technology is essential for increasing access to nutritious foods across the planet. The crop plants play a pivotal role in energy and nutrient supply to humans. The abiotic stress factors, such as drought, heat, and salinity cause a substantial yield loss in crop plants and threaten food security. The most sustainable and eco-friendly way to overcome these challenges are the breeding of crop cultivars with improved tolerance against abiotic stress factors. The conventional plant breeding methods have been highly successful in developing abiotic stress-tolerant crop varieties, but usually cumbersome and time-consuming. Alternatively, the CRISPR/Cas genome editing has emerged as a revolutionary tool for making efficient and precise genetic manipulations in plant genomes. Here, we provide a comprehensive review of the CRISPR/Cas genome editing (GE) technology with an emphasis on recent advances in the plant genome editing, including base editing (BE), prime editing (PE), epigenome editing, tissue-specific (CRISPR-TSKO), and inducible genome editing (CRISPR-IGE), which can be used for obtaining cultivars with enhanced tolerance to various abiotic stress factors. We also describe tissue culture-free, DNA-free GE technology, and some of the CRISPR-based tools that can be modified for their use in crop plants.
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Affiliation(s)
- Kunchapu Chennakesavulu
- Department of Biotechnology, Indian Institute of Technology, Roorkee, Uttarakhand, 247667, India
| | - Harshita Singh
- Department of Biotechnology, Indian Institute of Technology, Roorkee, Uttarakhand, 247667, India
| | - Prabodh Kumar Trivedi
- CSIR-Central Institute of Medicinal and Aromatic Plants (CSIR-CIMAP), Near Kukrail Picnic Spot, Lucknow, 226015, India
| | - Mukesh Jain
- School of Computational and Integrative Sciences, Jawaharlal Nehru University, New Delhi, India
| | - Shri Ram Yadav
- Department of Biotechnology, Indian Institute of Technology, Roorkee, Uttarakhand, 247667, India.
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De Schutter K, Taning CNT, Van Daele L, Van Damme EJM, Dubruel P, Smagghe G. RNAi-Based Biocontrol Products: Market Status, Regulatory Aspects, and Risk Assessment. FRONTIERS IN INSECT SCIENCE 2022; 1:818037. [PMID: 38468882 PMCID: PMC10926433 DOI: 10.3389/finsc.2021.818037] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Accepted: 12/14/2021] [Indexed: 03/13/2024]
Affiliation(s)
- Kristof De Schutter
- Laboratory of Agrozoology, Department of Plants and Crops, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium
| | - Clauvis Nji Tizi Taning
- Laboratory of Agrozoology, Department of Plants and Crops, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium
| | - Lenny Van Daele
- Polymer Chemistry and Biomaterials Group, Department of Organic and Macromolecular Chemistry, Center of Macromolecular Chemistry, Faculty of Sciences, Ghent University, Ghent, Belgium
| | - Els J. M. Van Damme
- Laboratory of Biochemistry and Glycobiology, Department of Biotechnology, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium
| | - Peter Dubruel
- Polymer Chemistry and Biomaterials Group, Department of Organic and Macromolecular Chemistry, Center of Macromolecular Chemistry, Faculty of Sciences, Ghent University, Ghent, Belgium
| | - Guy Smagghe
- Laboratory of Agrozoology, Department of Plants and Crops, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium
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24
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Phytoremediation of Cadmium Polluted Soils: Current Status and Approaches for Enhancing. SOIL SYSTEMS 2022. [DOI: 10.3390/soilsystems6010003] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Cadmium (Cd) is a heavy metal present in atmosphere, rocks, sediments, and soils without a known role in plants. It is relatively mobile and can easily enter from soil into groundwater and contaminate the food chain. Its presence in food in excess amounts may cause severe conditions in humans, therefore prevention of cadmium entering the food chain and its removal from contaminated soils are important steps in preserving public health. In the last several years, several approaches for Cd remediation have been proposed, such as the use of soil amendments or biological systems for reduction of Cd contamination. One of the approaches is phytoremediation, which involves the use of plants for soil clean-up. In this review we summarized current data on the use of different plants in phytoremediation of Cd as well as information about different approaches which have been used to enhance phytoremediation. This includes data on the increasing metal bioavailability in the soil, plant biomass, and plant accumulation capacity as well as seed priming as a promising novel approach for phytoremediation enhancing.
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25
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Advances in Targeting ACE2 for Developing COVID-19 Therapeutics. Ann Biomed Eng 2022; 50:1734-1749. [PMID: 36261668 PMCID: PMC9581451 DOI: 10.1007/s10439-022-03094-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Accepted: 09/29/2022] [Indexed: 01/01/2023]
Abstract
Since the onset of the coronavirus pandemic in December 2019, the SARS-CoV-2 virus has accounted for over 6.3 million lives resulting in the demand to develop novel therapeutic approaches to target and treat SARS-CoV-2. Improved understanding of viral entry and infection mechanisms has led to identifying different target receptors to mitigate infection in the host. Researchers have been working on identifying and targeting potential therapeutic target receptors utilizing different candidate drugs. Angiotensin-converting enzyme-2 (ACE2) has been known to perform critical functions in maintaining healthy cardiorespiratory function. However, ACE2 also functions as the binding site for the spike protein of SARS-CoV-2, allowing the virus to enter the cells and ensue infection. Therefore, drugs targeting ACE2 receptors can be considered as therapeutic candidates. Strategies targeting the level of ACE2 expression have been investigated and compared to other potential therapeutic targets, such as TMPRSS2, RdRp, and DPP4. This mini review discusses the key therapeutic approaches that target the ACE2 receptor, which is critical to the cellular entry and propagation of the novel SARS-CoV-2. In addition, we summarize the main advantages of ACE2 targeting against alternative approaches for the treatment of COVID-19.
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26
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Juma BS, Mukami A, Mweu C, Ngugi MP, Mbinda W. Targeted mutagenesis of the CYP79D1 gene via CRISPR/Cas9-mediated genome editing results in lower levels of cyanide in cassava. FRONTIERS IN PLANT SCIENCE 2022; 13:1009860. [PMID: 36388608 PMCID: PMC9644188 DOI: 10.3389/fpls.2022.1009860] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Accepted: 10/05/2022] [Indexed: 05/13/2023]
Abstract
Cassava is the world's most essential food root crop, generating calories to millions of Sub-Saharan African subsistence farmers. Cassava leaves and roots contain toxic quantities of the cyanogenic glycoside linamarin. Consumption of residual cyanogens results in cyanide poisoning due to conversion of the cyanogens to cyanide in the body. There is a need for acyanogenic cassava cultivars in order for it to become a consistently safe and acceptable food, and commercial crop. In recent years, the CRISPR/Cas system, has proven to be the most effective and successful genome editing tool for gene function studies and crop improvement. In this study, we performed targeted mutagenesis of the MeCYP79D1 gene in exon 3, using CRISPR/Cas9, via Agrobacterium-mediated transformation. The vector design resulted in knockout in cotyledon-stage somatic embryos regenerated under hygromycin selection. Eight plants were recovered and genotyped. DNA sequencing analysis revealed that the tested putative transgenic plants carried mutations within the MeCYP79D1 locus, with deletions and substitutions being reported upstream and downstream of the PAM sequence, respectively. The levels of linamarin and evolved cyanide present in the leaves of mecyp79d1 lines were reduced up to seven-fold. Nevertheless, the cassava linamarin and cyanide were not completely eliminated by the MeCYP79D1 knockout. Our results indicate that CRISPR/Cas9-mediated mutagenesis is as an alternative approach for development of cassava plants with lowered cyanide content.
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Affiliation(s)
- Bicko Steve Juma
- Institute for Biotechnology Research, Jomo Kenyatta University of Agriculture and Technology, Nairobi, Kenya
- Pwani University Bioscience Research Centre, Pwani University, Kilifi, Kenya
| | - Asunta Mukami
- Department of Biochemistry, Microbiology and Biotechnology, Kenyatta University, Nairobi, Kenya
- Department of Life Sciences, South Eastern Kenya University, Kitui, Kenya
| | - Cecilia Mweu
- Institute for Biotechnology Research, Jomo Kenyatta University of Agriculture and Technology, Nairobi, Kenya
| | - Mathew Piero Ngugi
- Department of Biochemistry, Microbiology and Biotechnology, Kenyatta University, Nairobi, Kenya
| | - Wilton Mbinda
- Pwani University Bioscience Research Centre, Pwani University, Kilifi, Kenya
- Department of Department of Biochemistry and Biotechnology, Pwani University, Kilifi, Kenya
- *Correspondence: Wilton Mbinda,
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Motto M, Sahay S. Energy plants (crops): potential natural and future designer plants. HANDBOOK OF BIOFUELS 2022:73-114. [DOI: 10.1016/b978-0-12-822810-4.00004-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
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Choudhary C, Meghwanshi KK, Shukla N, Shukla JN. Innate and adaptive resistance to RNAi: a major challenge and hurdle to the development of double stranded RNA-based pesticides. 3 Biotech 2021; 11:498. [PMID: 34881161 PMCID: PMC8595431 DOI: 10.1007/s13205-021-03049-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Accepted: 10/31/2021] [Indexed: 10/19/2022] Open
Abstract
RNA interference (RNAi) is a post-transcriptional gene silencing process where short interfering RNAs degrade targeted mRNA. Exploration of gene function through reverse genetics is the major achievement of RNAi discovery. Besides, RNAi can be used as a potential strategy for the control of insect pests. This has led to the idea of developing RNAi-based pesticides. Differential RNAi efficiency in the different insect orders is the biggest biological obstacle in developing RNAi-based pesticides. dsRNA stability, the sensitivity of core RNAi machinery, uptake of dsRNA and amplification and spreading of the RNAi signal are the key factors responsible for RNAi efficiency in insects. This review discusses the physiological and adaptive factors responsible for reduced RNAi in insects that pose a major challenge in developing dsRNA- based pesticides.
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Affiliation(s)
- Chhavi Choudhary
- Department of Biotechnology, Central University of Rajasthan, NH-8, Bandarsindri, Distt. Ajmer, Kishangarh, Rajasthan 305817 India
| | - Keshav Kumar Meghwanshi
- Department of Biotechnology, Central University of Rajasthan, NH-8, Bandarsindri, Distt. Ajmer, Kishangarh, Rajasthan 305817 India
| | - Nidhi Shukla
- Birla Institute of Scientific Research, Statue Circle, Prithviraj Rd, C-Scheme, Jaipur, Rajasthan 302001 India
| | - Jayendra Nath Shukla
- Department of Biotechnology, Central University of Rajasthan, NH-8, Bandarsindri, Distt. Ajmer, Kishangarh, Rajasthan 305817 India
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29
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Rajput M, Choudhary K, Kumar M, Vivekanand V, Chawade A, Ortiz R, Pareek N. RNA Interference and CRISPR/Cas Gene Editing for Crop Improvement: Paradigm Shift towards Sustainable Agriculture. PLANTS 2021; 10:plants10091914. [PMID: 34579446 PMCID: PMC8467553 DOI: 10.3390/plants10091914] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 08/25/2021] [Accepted: 08/26/2021] [Indexed: 01/09/2023]
Abstract
With the rapid population growth, there is an urgent need for innovative crop improvement approaches to meet the increasing demand for food. Classical crop improvement approaches involve, however, a backbreaking process that cannot equipoise with increasing crop demand. RNA-based approaches i.e., RNAi-mediated gene regulation and the site-specific nuclease-based CRISPR/Cas9 system for gene editing has made advances in the efficient targeted modification in many crops for the higher yield and resistance to diseases and different stresses. In functional genomics, RNA interference (RNAi) is a propitious gene regulatory approach that plays a significant role in crop improvement by permitting the downregulation of gene expression by small molecules of interfering RNA without affecting the expression of other genes. Gene editing technologies viz. the clustered regularly interspaced short palindromic repeat (CRISPR)/CRISPR-associated protein (CRISPR/Cas) have appeared prominently as a powerful tool for precise targeted modification of nearly all crops' genome sequences to generate variation and accelerate breeding efforts. In this regard, the review highlights the diverse roles and applications of RNAi and CRISPR/Cas9 system as powerful technologies to improve agronomically important plants to enhance crop yields and increase tolerance to environmental stress (biotic or abiotic). Ultimately, these technologies can prove to be important in view of global food security and sustainable agriculture.
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Affiliation(s)
- Meenakshi Rajput
- Department of Microbiology, School of Life Sciences, Central University of Rajasthan, Ajmer 305801, Rajasthan, India; (M.R.); (K.C.); (M.K.)
| | - Khushboo Choudhary
- Department of Microbiology, School of Life Sciences, Central University of Rajasthan, Ajmer 305801, Rajasthan, India; (M.R.); (K.C.); (M.K.)
| | - Manish Kumar
- Department of Microbiology, School of Life Sciences, Central University of Rajasthan, Ajmer 305801, Rajasthan, India; (M.R.); (K.C.); (M.K.)
| | - V. Vivekanand
- Centre for Energy and Environment, Malaviya National Institute of Technology, Jaipur 302017, Rajasthan, India;
| | - Aakash Chawade
- Department of Plant Breeding, Swedish University of Agricultural Sciences, P.O. Box 101, 230 53 Alnarp, Sweden;
- Correspondence: (A.C.); (N.P.)
| | - Rodomiro Ortiz
- Department of Plant Breeding, Swedish University of Agricultural Sciences, P.O. Box 101, 230 53 Alnarp, Sweden;
| | - Nidhi Pareek
- Department of Microbiology, School of Life Sciences, Central University of Rajasthan, Ajmer 305801, Rajasthan, India; (M.R.); (K.C.); (M.K.)
- Correspondence: (A.C.); (N.P.)
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El-Sappah AH, Yan K, Huang Q, Islam MM, Li Q, Wang Y, Khan MS, Zhao X, Mir RR, Li J, El-Tarabily KA, Abbas M. Comprehensive Mechanism of Gene Silencing and Its Role in Plant Growth and Development. FRONTIERS IN PLANT SCIENCE 2021; 12:705249. [PMID: 34589097 PMCID: PMC8475493 DOI: 10.3389/fpls.2021.705249] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Accepted: 08/10/2021] [Indexed: 05/19/2023]
Abstract
Gene silencing is a negative feedback mechanism that regulates gene expression to define cell fate and also regulates metabolism and gene expression throughout the life of an organism. In plants, gene silencing occurs via transcriptional gene silencing (TGS) and post-transcriptional gene silencing (PTGS). TGS obscures transcription via the methylation of 5' untranslated region (5'UTR), whereas PTGS causes the methylation of a coding region to result in transcript degradation. In this review, we summarized the history and molecular mechanisms of gene silencing and underlined its specific role in plant growth and crop production.
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Affiliation(s)
- Ahmed H. El-Sappah
- School of Agriculture, Forestry and Food Engineering, Yibin University, Yibin, China
- Genetics Department, Faculty of Agriculture, Zagazig University, Zagazig, Egypt
- Key Laboratory of Sichuan Province for Refining Sichuan Tea, Yibin, China
| | - Kuan Yan
- School of Agriculture, Forestry and Food Engineering, Yibin University, Yibin, China
- Key Laboratory of Sichuan Province for Refining Sichuan Tea, Yibin, China
| | - Qiulan Huang
- School of Agriculture, Forestry and Food Engineering, Yibin University, Yibin, China
- Key Laboratory of Sichuan Province for Refining Sichuan Tea, Yibin, China
- College of Tea Science, Yibin University, Yibin, China
| | | | - Quanzi Li
- State Key Laboratory of Tree Genetics and Breeding, Chinese Academy of Forestry, Beijing, China
- Research Institute of Forestry, Chinese Academy of Forestry, Beijing, China
| | - Yu Wang
- School of Agriculture, Forestry and Food Engineering, Yibin University, Yibin, China
- Key Laboratory of Sichuan Province for Refining Sichuan Tea, Yibin, China
| | - Muhammad Sarwar Khan
- Center of Agriculture Biochemistry and Biotechnology, University of Agriculture, Faisalabad, Pakistan
| | - Xianming Zhao
- School of Agriculture, Forestry and Food Engineering, Yibin University, Yibin, China
- Key Laboratory of Sichuan Province for Refining Sichuan Tea, Yibin, China
| | - Reyazul Rouf Mir
- Division of Genetics and Plant Breeding, Faculty of Agriculture (FoA), Sher-e-Kashmir University of Agricultural Sciences and Technology (SKUAST–K), Sopore, India
| | - Jia Li
- School of Agriculture, Forestry and Food Engineering, Yibin University, Yibin, China
- Key Laboratory of Sichuan Province for Refining Sichuan Tea, Yibin, China
| | - Khaled A. El-Tarabily
- Department of Biology, College of Science, United Arab Emirates University, Al-Ain, United Arab Emirates
- Harry Butler Institute, Murdoch University, Murdoch, WA, Australia
| | - Manzar Abbas
- School of Agriculture, Forestry and Food Engineering, Yibin University, Yibin, China
- Key Laboratory of Sichuan Province for Refining Sichuan Tea, Yibin, China
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de Vries L, Guevara-Rozo S, Cho M, Liu LY, Renneckar S, Mansfield SD. Tailoring renewable materials via plant biotechnology. BIOTECHNOLOGY FOR BIOFUELS 2021; 14:167. [PMID: 34353358 PMCID: PMC8344217 DOI: 10.1186/s13068-021-02010-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Accepted: 07/06/2021] [Indexed: 05/03/2023]
Abstract
Plants inherently display a rich diversity in cell wall chemistry, as they synthesize an array of polysaccharides along with lignin, a polyphenolic that can vary dramatically in subunit composition and interunit linkage complexity. These same cell wall chemical constituents play essential roles in our society, having been isolated by a variety of evolving industrial processes and employed in the production of an array of commodity products to which humans are reliant. However, these polymers are inherently synthesized and intricately packaged into complex structures that facilitate plant survival and adaptation to local biogeoclimatic regions and stresses, not for ease of deconstruction and commercial product development. Herein, we describe evolving techniques and strategies for altering the metabolic pathways related to plant cell wall biosynthesis, and highlight the resulting impact on chemistry, architecture, and polymer interactions. Furthermore, this review illustrates how these unique targeted cell wall modifications could significantly extend the number, diversity, and value of products generated in existing and emerging biorefineries. These modifications can further target the ability for processing of engineered wood into advanced high performance materials. In doing so, we attempt to illuminate the complex connection on how polymer chemistry and structure can be tailored to advance renewable material applications, using all the chemical constituents of plant-derived biopolymers, including pectins, hemicelluloses, cellulose, and lignins.
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Affiliation(s)
- Lisanne de Vries
- Department of Wood Science, Faculty of Forestry, University of British Columbia, Vancouver, BC, V6T 1Z4, Canada
- US Department of Energy (DOE) Great Lakes Bioenergy Research Center, the Wisconsin Energy Institute, University of Wisconsin - Madison, Madison, WI , 53726, USA
| | - Sydne Guevara-Rozo
- Department of Wood Science, Faculty of Forestry, University of British Columbia, Vancouver, BC, V6T 1Z4, Canada
| | - MiJung Cho
- Department of Wood Science, Faculty of Forestry, University of British Columbia, Vancouver, BC, V6T 1Z4, Canada
| | - Li-Yang Liu
- Department of Wood Science, Faculty of Forestry, University of British Columbia, Vancouver, BC, V6T 1Z4, Canada
| | - Scott Renneckar
- Department of Wood Science, Faculty of Forestry, University of British Columbia, Vancouver, BC, V6T 1Z4, Canada
| | - Shawn D Mansfield
- Department of Wood Science, Faculty of Forestry, University of British Columbia, Vancouver, BC, V6T 1Z4, Canada.
- US Department of Energy (DOE) Great Lakes Bioenergy Research Center, the Wisconsin Energy Institute, University of Wisconsin - Madison, Madison, WI , 53726, USA.
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32
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Hesami M, Baiton A, Alizadeh M, Pepe M, Torkamaneh D, Jones AMP. Advances and Perspectives in Tissue Culture and Genetic Engineering of Cannabis. Int J Mol Sci 2021; 22:5671. [PMID: 34073522 PMCID: PMC8197860 DOI: 10.3390/ijms22115671] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Revised: 05/19/2021] [Accepted: 05/20/2021] [Indexed: 01/20/2023] Open
Abstract
For a long time, Cannabis sativa has been used for therapeutic and industrial purposes. Due to its increasing demand in medicine, recreation, and industry, there is a dire need to apply new biotechnological tools to introduce new genotypes with desirable traits and enhanced secondary metabolite production. Micropropagation, conservation, cell suspension culture, hairy root culture, polyploidy manipulation, and Agrobacterium-mediated gene transformation have been studied and used in cannabis. However, some obstacles such as the low rate of transgenic plant regeneration and low efficiency of secondary metabolite production in hairy root culture and cell suspension culture have restricted the application of these approaches in cannabis. In the current review, in vitro culture and genetic engineering methods in cannabis along with other promising techniques such as morphogenic genes, new computational approaches, clustered regularly interspaced short palindromic repeats (CRISPR), CRISPR/Cas9-equipped Agrobacterium-mediated genome editing, and hairy root culture, that can help improve gene transformation and plant regeneration, as well as enhance secondary metabolite production, have been highlighted and discussed.
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Affiliation(s)
- Mohsen Hesami
- Department of Plant Agriculture, University of Guelph, Guelph, ON N1G 2W1, Canada; (M.H.); (A.B.); (M.P.)
| | - Austin Baiton
- Department of Plant Agriculture, University of Guelph, Guelph, ON N1G 2W1, Canada; (M.H.); (A.B.); (M.P.)
| | - Milad Alizadeh
- Department of Botany, University of British Columbia, Vancouver, BC V6T 1Z4, Canada;
| | - Marco Pepe
- Department of Plant Agriculture, University of Guelph, Guelph, ON N1G 2W1, Canada; (M.H.); (A.B.); (M.P.)
| | - Davoud Torkamaneh
- Département de Phytologie, Université Laval, Québec City, QC G1V 0A6, Canada;
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Girija A, Vijayanathan M, Sreekumar S, Basheer J, Menon TG, Krishnankutty RE, Soniya EV. Harnessing the natural pool of polyketide and non-ribosomal peptide family: A route map towards novel drug development. Curr Mol Pharmacol 2021; 15:265-291. [PMID: 33745440 DOI: 10.2174/1874467214666210319145816] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Revised: 12/10/2020] [Accepted: 12/31/2020] [Indexed: 11/22/2022]
Abstract
Emergence of communicable and non-communicable diseases possess health challenge to millions of people worldwide and is a major threat to the economic and social development in the coming century. The occurrence of recent pandemic, SARS-CoV-2 caused by lethal severe acute respiratory syndrome coronavirus 2 is one such example. Rapid research and development of drugs for the treatment and management of these diseases has been an incredibly challenging task for the pharmaceutical industry. Although, substantial focus has been made in the discovery of therapeutic compounds from natural sources having significant medicinal potential, their synthesis has shown a slow progress. Hence, the discovery of new targets by the application of the latest biotechnological and synthetic biology approaches is very much the need of the hour. Polyketides (PKs) and non-ribosomal peptides (NRPs) found in bacteria, fungi and plants are a large diverse family of natural products synthesized by two classes of enzymes: polyketide synthases (PKS) and non-ribosomal peptide synthetases (NRPS). These enzymes possess immense biomedical potential due to their simple architecture, catalytic capacity, as well as diversity. With the advent of latest in-silico and in-vitro strategies, these enzymes and their related metabolic pathways, if targeted, can contribute highly towards the biosynthesis of an array of potentially natural drug leads that have antagonist effects on biopolymers associated with various human diseases. In the face of the rising threat from the multidrug-resistant pathogens, this will further open new avenues for the discovery of novel and improved drugs by combining the natural and the synthetic approaches. This review discusses the relevance of polyketides and non-ribosomal peptides and the improvement strategies for the development of their derivatives and scaffolds, and how they will be beneficial to the future bioprospecting and drug discovery.
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Affiliation(s)
- Aiswarya Girija
- Transdisciplinary Biology, Rajiv Gandhi Centre for Biotechnology (RGCB), Thiruvananthapuram, Kerala, India.,Institute of Biological Environmental Rural Sciences (IBERS), Aberystwyth University, United Kingdom
| | - Mallika Vijayanathan
- Transdisciplinary Biology, Rajiv Gandhi Centre for Biotechnology (RGCB), Thiruvananthapuram, Kerala, India.,Biology Centre - Institute of Plant Molecular Biology, Czech Academy of Sciences, České Budějovice, 370 05, Czech Republic
| | - Sweda Sreekumar
- Transdisciplinary Biology, Rajiv Gandhi Centre for Biotechnology (RGCB), Thiruvananthapuram, Kerala, India.,Research Centre, University of Kerala, India
| | - Jasim Basheer
- School of Biosciences, Mahatma Gandhi University, PD Hills, Kottayam, Kerala, India.,Department of Cell Biology, Centre of the Region Haná for Biotechnological and Agricultural Research, Palacky University, Olomouc, Czech Republic
| | - Tara G Menon
- Transdisciplinary Biology, Rajiv Gandhi Centre for Biotechnology (RGCB), Thiruvananthapuram, Kerala, India
| | | | - Eppurathu Vasudevan Soniya
- Transdisciplinary Biology, Rajiv Gandhi Centre for Biotechnology (RGCB), Thiruvananthapuram, Kerala, India
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34
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Monty MA, Islam MA, Nan X, Tan J, Tuhin IJ, Tang X, Miao M, Wu D, Yu L. Emerging role of RNA interference in immune cells engineering and its therapeutic synergism in immunotherapy. Br J Pharmacol 2021; 178:1741-1755. [PMID: 33608889 DOI: 10.1111/bph.15414] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2020] [Revised: 02/09/2021] [Accepted: 02/09/2021] [Indexed: 12/12/2022] Open
Abstract
RNAi effectors (e.g. siRNA, shRNA and miRNA) can trigger the silencing of specific genes causing alteration of genomic functions becoming a new therapeutic area for the treatment of infectious diseases, neurodegenerative disorders and cancer. In cancer treatment, RNAi effectors showed potential immunomodulatory actions by down-regulating immuno-suppressive proteins, such as PD-1 and CTLA-4, which restrict immune cell function and present challenges in cancer immunotherapy. Therefore, compared with extracellular targeting by antibodies, RNAi-mediated cell-intrinsic disruption of inhibitory pathways in immune cells could promote an increased anti-tumour immune response. Along with non-viral vectors, DNA-based RNAi strategies might be a more promising method for immunomodulation to silence multiple inhibitory pathways in T cells than immune checkpoint blockade antibodies. Thus, in this review, we discuss diverse RNAi implementation strategies, with recent viral and non-viral mediated RNAi synergism to immunotherapy that augments the anti-tumour immunity. Finally, we provide the current progress of RNAi in clinical pipeline.
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Affiliation(s)
- Masuma Akter Monty
- Institute of Biomedical Engineering and Technology, Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, China
| | - Md Ariful Islam
- School of Pharmacy, Shanghai Jiao Tong University, Shanghai, China
| | - Xu Nan
- Institute of Biomedical Engineering and Technology, Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, China
| | - Jingwen Tan
- Institute of Biomedical Engineering and Technology, Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, China
| | - Israth Jahan Tuhin
- Institute of Biomedical Engineering and Technology, Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, China
| | - Xiaowen Tang
- The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Miao Miao
- The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Depei Wu
- The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Lei Yu
- Institute of Biomedical Engineering and Technology, Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, China
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Mohan C, Shibao PYT, de Paula FFP, Toyama D, Vieira MAS, Figueira A, Scotton D, Soares-Costa A, Henrique-Silva F. hRNAi-mediated knock-down of Sphenophorus levis V-ATPase E in transgenic sugarcane (Saccharum spp interspecific hybrid) affects the insect growth and survival. PLANT CELL REPORTS 2021; 40:507-516. [PMID: 33389048 DOI: 10.1007/s00299-020-02646-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Accepted: 12/01/2020] [Indexed: 06/12/2023]
Abstract
Transgenic sugarcane expressing V-ATPase subunit E dsRNA affects growth and survival of Sphenophorus levis. Plants being sessile organisms are constantly confronted with several biotic and abiotic stresses. Sugarcane (Saccharum spp) is a major tropical crop widely cultivated for its sugar and other by-products. In Brazil, sugarcane plantations account for significant production losses due to Sphenophorus levis (sugarcane weevil) infestations. With the existing control measures being less effective, there arises a necessity for advanced strategies. Our bioassay injection experiments with V-ATPase E dsRNA in S. levis larvae showed significant mortality and reduction in transcription levels. Furthermore, we down-regulated the V-ATPase E gene of S. levis in transgenic sugarcane using an RNAi approach. The resultant RNAi transgenic lines exhibited reduction in larval growth and survival, without compromising plant performance under controlled environment. Our results illustrate that RNAi-mediated down-regulation of key genes is a promising approach in imparting resistance to sugarcane weevil.
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Affiliation(s)
- Chakravarthi Mohan
- Department of Genetics and Evolution, Federal University of São Carlos, São Carlos, SP, Brazil
| | | | | | - Danyelle Toyama
- Department of Genetics and Evolution, Federal University of São Carlos, São Carlos, SP, Brazil
| | | | - Antonio Figueira
- Center for Nuclear Energy in Agriculture, University of São Paulo, Piracicaba, SP, Brazil
| | - Danielle Scotton
- Center for Nuclear Energy in Agriculture, University of São Paulo, Piracicaba, SP, Brazil
| | - Andrea Soares-Costa
- Department of Genetics and Evolution, Federal University of São Carlos, São Carlos, SP, Brazil
| | - Flavio Henrique-Silva
- Department of Genetics and Evolution, Federal University of São Carlos, São Carlos, SP, Brazil.
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Physiological Conditions and dsRNA Application Approaches for Exogenously induced RNA Interference in Arabidopsis thaliana. PLANTS 2021; 10:plants10020264. [PMID: 33573142 PMCID: PMC7911504 DOI: 10.3390/plants10020264] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Revised: 01/16/2021] [Accepted: 01/27/2021] [Indexed: 12/15/2022]
Abstract
Recent studies have revealed that foliar application of double-stranded RNAs (dsRNAs) or small-interfering RNAs (siRNAs) encoding specific genes of plant pathogens triggered RNA interference (RNAi)-mediated silencing of the gene targets. However, a limited number of reports documented silencing of plant endogenes or transgenes after direct foliar RNA application. This study analyzed the importance of physiological conditions (plant age, time of day, soil moisture, high salinity, heat, and cold stresses) and different dsRNA application means (brush spreading, spraying, infiltration, inoculation, needle injection, and pipetting) for suppression of neomycin phosphotransferase II (NPTII) transgene in Arabidopsis thaliana, as transgenes are more prone to silencing. We observed a higher NPTII suppression when dsRNA was applied at late day period, being most efficient at night, which revealed a diurnal variation in dsRNA treatment efficacy. Exogenous NPTII-dsRNA considerably reduced NPTII expression in 4-week-old plants and only limited it in 2- and 6-week-old plants. In addition, a more discernible NPTII downregulation was detected under low soil moisture conditions. Treatment of adaxial and abaxial leaf surfaces by brushes, spraying, and pipetting showed a higher NPTII suppression, while infiltration and inoculation were less efficient. Thus, appropriate plant age, late time of day, low soil moisture, and optimal dsRNA application modes are important for exogenously induced gene silencing.
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Waheed S, Anwar M, Saleem MA, Wu J, Tayyab M, Hu Z. The Critical Role of Small RNAs in Regulating Plant Innate Immunity. Biomolecules 2021; 11:biom11020184. [PMID: 33572741 PMCID: PMC7912340 DOI: 10.3390/biom11020184] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 01/14/2021] [Accepted: 01/14/2021] [Indexed: 12/12/2022] Open
Abstract
Plants, due to their sessile nature, have an innate immune system that helps them to defend against different pathogen infections. The defense response of plants is composed of a highly regulated and complex molecular network, involving the extensive reprogramming of gene expression during the presence of pathogenic molecular signatures. Plants attain proper defense against pathogens through the transcriptional regulation of genes encoding defense regulatory proteins and hormone signaling pathways. Small RNAs are emerging as versatile regulators of plant development and act in different tiers of plant immunity, including pathogen-triggered immunity (PTI) and effector-triggered immunity (ETI). The versatile regulatory functions of small RNAs in plant growth and development and response to biotic and abiotic stresses have been widely studied in recent years. However, available information regarding the contribution of small RNAs in plant immunity against pathogens is more limited. This review article will focus on the role of small RNAs in innate immunity in plants.
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Affiliation(s)
- Saquib Waheed
- College of Horticulture, Fujian Agriculture and Forestry University, Fuzhou 350002, China;
| | - Muhammad Anwar
- Guangdong Technology Research Center for Marine Algal Bioengineering, Guangdong Key Laboratory of Plant Epigenetics, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, China
- Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China
- Correspondence: (M.A.); (Z.H.)
| | - Muhammad Asif Saleem
- Department of Plant Breeding and Genetics, Bahauddin Zakariya University, Multan 60800, Pakistan;
| | - Jinsong Wu
- Shenzhen Key Laboratory of Marine Bioresource & Eco-Environmental Science, Longhua Innovation Institute for Biotechnology, Shenzhen University, Shenzhen 518060, China;
| | - Muhammad Tayyab
- Key Laboratory of Sugarcane Biology and Genetic Breeding, Ministry of Agriculture and Forestry University, Fuzhou 350002, China;
| | - Zhangli Hu
- Guangdong Technology Research Center for Marine Algal Bioengineering, Guangdong Key Laboratory of Plant Epigenetics, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, China
- Shenzhen Key Laboratory of Marine Bioresource & Eco-Environmental Science, Longhua Innovation Institute for Biotechnology, Shenzhen University, Shenzhen 518060, China;
- Correspondence: (M.A.); (Z.H.)
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Liu C, Yin J, Hu W, Zhang H. Glycogen Phosphorylase: A Drug Target of Amino Alcohols in Echinococcus granulosus, Predicted by a Computer-Aided Method. Front Microbiol 2020; 11:557039. [PMID: 33329421 PMCID: PMC7719768 DOI: 10.3389/fmicb.2020.557039] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Accepted: 10/30/2020] [Indexed: 12/24/2022] Open
Abstract
Echinococcosis is an important parasitic disease that threats human health and animal husbandry worldwide. However, the low cure rate of clinical drugs for this disease is a challenge. Hence, novel compounds and specific drug targets are urgently needed. In this study, we identified drug targets of amino alcohols with effects on Echinococcus species. The drug targets were predicted with the idTarget web server. Corresponding three-dimensional structures of the drug targets were built after sequence BLAST analysis and homology modeling. After further screening by molecular docking, the activities of the candidate targets were validated in vitro. We ultimately identified glycogen phosphorylase as a potential drug target for amino alcohols. There are two genes coding glycogen phosphorylase in Echinococcus granulosus (EgGp1 and EgGp2). EgGp1 was abundant in E. granulosus PSCs, while EgGp2 was abundant in the cysts. These proteins were located at suckers and somas of E. granulosus PSCs and near the rostellum of cysts developed from PSCs. The effective compounds docked into a pocket consisting of E124, K543 and K654 and affected (either inhibited or enhanced) the activity of E. granulosus glycogen phosphorylase. In this study, we designed a method to predict drug targets for echinococcosis treatment based on inverse docking. The candidate targets found by this method can contribute not only to understanding of the modes of action of amino alcohols but also to modeling-aided drug design based on targets.
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Affiliation(s)
- Congshan Liu
- Key Laboratory of Parasite and Vector Biology, National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention, Ministry of Health (MOH), National Center for International Research on Tropical Diseases, World Health Organization (WHO) Collaborating Centre for Tropical Diseases, Shanghai, China
| | - Jianhai Yin
- Key Laboratory of Parasite and Vector Biology, National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention, Ministry of Health (MOH), National Center for International Research on Tropical Diseases, World Health Organization (WHO) Collaborating Centre for Tropical Diseases, Shanghai, China
| | - Wei Hu
- Key Laboratory of Parasite and Vector Biology, National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention, Ministry of Health (MOH), National Center for International Research on Tropical Diseases, World Health Organization (WHO) Collaborating Centre for Tropical Diseases, Shanghai, China.,Department of Microbiology and Microbial Engineering, School of Life Sciences, Fudan University, Shanghai, China
| | - Haobing Zhang
- Key Laboratory of Parasite and Vector Biology, National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention, Ministry of Health (MOH), National Center for International Research on Tropical Diseases, World Health Organization (WHO) Collaborating Centre for Tropical Diseases, Shanghai, China
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Rego-Machado CM, Nakasu EYT, Silva JMF, Lucinda N, Nagata T, Inoue-Nagata AK. siRNA biogenesis and advances in topically applied dsRNA for controlling virus infections in tomato plants. Sci Rep 2020; 10:22277. [PMID: 33335295 PMCID: PMC7746768 DOI: 10.1038/s41598-020-79360-5] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Accepted: 11/24/2020] [Indexed: 12/17/2022] Open
Abstract
A non-transgenic approach based on RNA interference was employed to induce protection against tomato mosaic virus (ToMV) infection in tomato plants. dsRNA molecules targeting the cp gene of ToMV were topically applied on plants prior to virus inoculation. Protection was dose-dependent and sequence-specific. While no protection was achieved when 0-16 µg dsRNA were used, maximum rates of resistance (60 and 63%) were observed in doses of 200 and 400 µg/plant, respectively. Similar rates were also obtained against potato virus Y when targeting its cp gene. The protection was quickly activated upon dsRNA application and lasted for up to 4 days. In contrast, no detectable antiviral response was triggered by the dsRNA from a begomovirus genome, suggesting the method is not effective against phloem-limited DNA viruses. Deep sequencing was performed to analyze the biogenesis of siRNA populations. Although long-dsRNA remained in the treated leaves for at least 10 days, its systemic movement was not observed. Conversely, dsRNA-derived siRNA populations (mainly 21- and 22-nt) were detected in non-treated leaves, which indicates endogenous processing and transport through the plant. Altogether, this study provides critical information for the development of novel tools against plant viruses; strengths and limitations inherent to the systems are discussed.
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Affiliation(s)
- Camila M Rego-Machado
- Department of Plant Pathology, University of Brasília, Federal District, Brazil
- Laboratory of Virology and Molecular Biology, Embrapa Vegetables, Federal District, Brazil
| | - Erich Y T Nakasu
- Laboratory of Virology and Molecular Biology, Embrapa Vegetables, Federal District, Brazil.
| | - João M F Silva
- Department of Molecular Biology, University of Brasília, Federal District, Brazil
| | - Natália Lucinda
- Laboratory of Virology and Molecular Biology, Embrapa Vegetables, Federal District, Brazil
- Department of Plant Pathology, University of Florida, Florida, USA
| | - Tatsuya Nagata
- Department of Molecular Biology, University of Brasília, Federal District, Brazil
| | - Alice K Inoue-Nagata
- Department of Plant Pathology, University of Brasília, Federal District, Brazil.
- Laboratory of Virology and Molecular Biology, Embrapa Vegetables, Federal District, Brazil.
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Myung SH, Park J, Han JH, Kim TH. Development of the Mammalian Expression Vector System that can be Induced by IPTG and/or Lactose. J Microbiol Biotechnol 2020; 30:1124-1131. [PMID: 32423185 PMCID: PMC9728253 DOI: 10.4014/jmb.2003.03030] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2020] [Accepted: 05/03/2020] [Indexed: 12/15/2022]
Abstract
Techniques used for the regulation of gene expression facilitate studies of gene function and treatment of diseases via gene therapy. Many tools have been developed for the regulation of gene expression in mammalian cells. The Lac operon system induced with isopropyl β-D-1- thiogalactopyranoside (IPTG) is one of the employed inducible systems. IPTG mimics the molecular structure of allolactose and has a strong affinity for the corresponding repressor. IPTG is known to rapidly penetrate into mammalian cells and exhibits low toxicity. In the present study, we developed a new inducible expression system that could regulate the expression of genes in mammalian cells using IPTG. Here we confirm that unlike other vector systems based on the Lac operon, this expression system allows regulation of gene expression with lactose in the mammalian cells upon transfection. The co-treatment with IPTG and lactose could improve the regulatory efficiency of the specific target gene expression. The regulation of gene expression with lactose has several benefits. Lactose is safe in humans as compared to other chemical substances and is easily available, making this technique very cost-effective.
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Affiliation(s)
- Seung-Hyun Myung
- Department of Biochemistry and Molecular Biology, Chosun University School of Medicine, 309 Pilmoon-Daero, Dong-Gu, Gwang-Ju 61452, Republic of Korea
| | - Junghee Park
- Department of Biochemistry and Molecular Biology, Chosun University School of Medicine, 309 Pilmoon-Daero, Dong-Gu, Gwang-Ju 61452, Republic of Korea
| | - Ji-Hye Han
- Department of Biochemistry and Molecular Biology, Chosun University School of Medicine, 309 Pilmoon-Daero, Dong-Gu, Gwang-Ju 61452, Republic of Korea
| | - Tae-Hyoung Kim
- Department of Biochemistry and Molecular Biology, Chosun University School of Medicine, 309 Pilmoon-Daero, Dong-Gu, Gwang-Ju 61452, Republic of Korea,Corresponding author Phone: +82-62-230-6294 Fax: +82-62-226-4165 E-mail:
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Das PR, Sherif SM. Application of Exogenous dsRNAs-induced RNAi in Agriculture: Challenges and Triumphs. FRONTIERS IN PLANT SCIENCE 2020; 11:946. [PMID: 32670336 PMCID: PMC7330088 DOI: 10.3389/fpls.2020.00946] [Citation(s) in RCA: 69] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2020] [Accepted: 06/10/2020] [Indexed: 05/05/2023]
Abstract
In recent years, RNA interference (RNAi) machinery has widely been explored by plant biologists for its potential applications in disease management, plant development, and germplasm improvement. RNAi-based technologies have mainly been applied in the form of transgenic plant generation and host-induced-gene-silencing (HIGS). However, the approval of RNAi-based transgenic plants has always been challenging due to the proclaimed concerns surrounding their impacts on human health and the environment. Lately, exogenous applications of double-stranded RNAs (dsRNAs), short interfering RNAs (siRNAs), and hairpin RNAs (hpRNAs) has emerged as another technology that could be regarded as more eco-friendly, sustainable, and publicly acceptable than genetic transformation. Inside the plant cell, dsRNAs can undergo several steps of processing, which not only triggers RNAi machinery but may also involve transitive and systemic silencing, as well as epigenetic modifications. Therefore, along with the considerations of proper exogenous applications of dsRNAs, defining their final destination into plant cells is highly relevant. In this review, we highlighted the significance of several factors that affect dsRNA-induced gene silencing, the fate of exogenous dsRNAs in the plant cell, and the challenges surrounding production technologies, cost-effectiveness, and dsRNAs stability under open-field conditions. This review also provided insights into the potential applications of exogenous dsRNAs in plant protection and crop improvement.
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Affiliation(s)
| | - Sherif M. Sherif
- Alson H. Smith Jr. Agricultural Research and Extension Center, School of Plant and Environmental Sciences, Virginia Polytechnic Institute and State University, Winchester, VA, United States
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Hu D, Chen Z, Zhang C, Ganiger M. Reduction of Phakopsora pachyrhizi infection on soybean through host- and spray-induced gene silencing. MOLECULAR PLANT PATHOLOGY 2020; 21:794-807. [PMID: 32196911 PMCID: PMC7214474 DOI: 10.1111/mpp.12931] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Revised: 01/23/2020] [Accepted: 02/19/2020] [Indexed: 05/10/2023]
Abstract
Asian soybean rust (ASR), caused by the obligate fungal pathogen Phakopsora pachyrhizi, often leads to significant yield losses and can only be managed through fungicide applications currently. In the present study, eight urediniospore germination or appressorium formation induced P. pachyrhizi genes were investigated for their feasibility to suppress ASR through a bean pod mottle virus (BPMV)-based host-induced gene silencing (HIGS) strategy. Soybean plants expressing three of these modified BPMV vectors suppressed the expression of their corresponding target gene by 45%-80%, fungal biomass accumulation by 58%-80%, and significantly reduced ASR symptom development in soybean leaves after the plants were inoculated with P. pachyrhizi, demonstrating that HIGS can be used to manage ASR. In addition, when the in vitro synthesized double-stranded RNAs (dsRNAs) for three of the genes encoding an acetyl-CoA acyltransferase, a 40S ribosomal protein S16, and glycine cleavage system H protein were sprayed directly onto detached soybean leaves prior to P. pachyrhizi inoculation, they also resulted in an average of over 73% reduction of pustule numbers and 75% reduction in P. pachyrhizi biomass accumulation on the detached leaves compared to the controls. To the best of our knowledge, this is the first report of suppressing P. pachyrhizi infection in soybean through both HIGS and spray-induced gene silencing. It was demonstrated that either HIGS constructs targeting P. pachyrhizi genes or direct dsRNA spray application could be an effective strategy for reducing ASR development on soybean.
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Affiliation(s)
- Dongfang Hu
- Department of Plant Pathology and Crop PhysiologyLouisiana State University Agricultural CenterBaton RougeLAUSA
| | - Zhi‐Yuan Chen
- Department of Plant Pathology and Crop PhysiologyLouisiana State University Agricultural CenterBaton RougeLAUSA
| | - Chunquan Zhang
- Department of AgricultureAlcorn State UniversityLormanMSUSA
| | - Mala Ganiger
- Department of Plant Pathology and Crop PhysiologyLouisiana State University Agricultural CenterBaton RougeLAUSA
- Present address:
Department of Plant PathologyUniversity of MinnesotaSt. PaulMNUSA
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Legina MS, Nogueira JJ, Kandioller W, Jakupec MA, González L, Keppler BK. Biological evaluation of novel thiomaltol-based organometallic complexes as topoisomerase IIα inhibitors. J Biol Inorg Chem 2020; 25:451-465. [PMID: 32193613 PMCID: PMC7186247 DOI: 10.1007/s00775-020-01775-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Accepted: 03/04/2020] [Indexed: 12/26/2022]
Abstract
Abstract Topoisomerase IIα (topo2α) is an essential nuclear enzyme involved in DNA replication, transcription, recombination, chromosome condensation, and highly expressed in many tumors. Thus, topo2α-targeting has become a very efficient and well-established anticancer strategy. Herein, we investigate the cytotoxic and DNA-damaging activity of thiomaltol-containing ruthenium-, osmium-, rhodium- and iridium-based organometallic complexes in human mammary carcinoma cell lines by means of several biological assays, including knockdown of topo2α expression levels by RNA interference. Results suggest that inhibition of topo2α is a key process in the cytotoxic mechanism for some of the compounds, whereas direct induction of DNA double-strand breaks or other DNA damage is mostly rather minor. In addition, molecular modeling studies performed for two of the compounds (with Ru(II) as the metal center) evinces that these complexes are able to access the DNA-binding pocket of the enzyme, where the hydrophilic environment favors the interaction with highly polar complexes. These findings substantiate the potential of these compounds for application as antitumor metallopharmaceuticals. Graphic abstract ![]()
Electronic supplementary material The online version of this article (10.1007/s00775-020-01775-2) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Maria S Legina
- Faculty of Chemistry, Institute of Inorganic Chemistry, University of Vienna, Vienna, Austria
| | - Juan J Nogueira
- IADCHEM, Institute for Advanced Research in Chemistry, Universidad Autónoma de Madrid, Madrid, Spain
- Departamento de Química, Universidad Autónoma de Madrid, Madrid, Spain
| | - Wolfgang Kandioller
- Faculty of Chemistry, Institute of Inorganic Chemistry, University of Vienna, Vienna, Austria
- Research Cluster "Translational Cancer Therapy Research", University of Vienna, Vienna, Austria
| | - Michael A Jakupec
- Faculty of Chemistry, Institute of Inorganic Chemistry, University of Vienna, Vienna, Austria.
- Research Cluster "Translational Cancer Therapy Research", University of Vienna, Vienna, Austria.
| | - Leticia González
- Faculty of Chemistry, Institute of Theoretical Chemistry, University of Vienna, Vienna, Austria
| | - Bernhard K Keppler
- Faculty of Chemistry, Institute of Inorganic Chemistry, University of Vienna, Vienna, Austria
- Research Cluster "Translational Cancer Therapy Research", University of Vienna, Vienna, Austria
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Wani SH, Kumar V, Khare T, Guddimalli R, Parveda M, Solymosi K, Suprasanna P, Kavi Kishor PB. Engineering salinity tolerance in plants: progress and prospects. PLANTA 2020; 251:76. [PMID: 32152761 DOI: 10.1007/s00425-020-03366-6] [Citation(s) in RCA: 74] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/13/2019] [Accepted: 02/24/2020] [Indexed: 05/20/2023]
Abstract
There is a need to integrate conceptual framework based on the current understanding of salt stress responses with different approaches for manipulating and improving salt tolerance in crop plants. Soil salinity exerts significant constraints on global crop production, posing a serious challenge for plant breeders and biotechnologists. The classical transgenic approach for enhancing salinity tolerance in plants revolves by boosting endogenous defence mechanisms, often via a single-gene approach, and usually involves the enhanced synthesis of compatible osmolytes, antioxidants, polyamines, maintenance of hormone homeostasis, modification of transporters and/or regulatory proteins, including transcription factors and alternative splicing events. Occasionally, genetic manipulation of regulatory proteins or phytohormone levels confers salinity tolerance, but all these may cause undesired reduction in plant growth and/or yields. In this review, we present and evaluate novel and cutting-edge approaches for engineering salt tolerance in crop plants. First, we cover recent findings regarding the importance of regulatory proteins and transporters, and how they can be used to enhance salt tolerance in crop plants. We also evaluate the importance of halobiomes as a reservoir of genes that can be used for engineering salt tolerance in glycophytic crops. Additionally, the role of microRNAs as critical post-transcriptional regulators in plant adaptive responses to salt stress is reviewed and their use for engineering salt-tolerant crop plants is critically assessed. The potentials of alternative splicing mechanisms and targeted gene-editing technologies in understanding plant salt stress responses and developing salt-tolerant crop plants are also discussed.
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Affiliation(s)
- Shabir Hussain Wani
- Mountain Research Centre for Field Crops, Sher-e-Kashmir University of Agricultural Sciences and Technology of Kashmir, Khudwani, Anantnag, Jammu and Kashmir, 192 101, India.
| | - Vinay Kumar
- Department of Biotechnology, Modern College, Savitribai Phule Pune University, Ganeshkhind, Pune, 411 016, India
- Department of Environmental Science, Savitribai Phule Pune University, Ganeshkhind, Pune, 411 016, India
| | - Tushar Khare
- Department of Biotechnology, Modern College, Savitribai Phule Pune University, Ganeshkhind, Pune, 411 016, India
| | | | | | - Katalin Solymosi
- Department of Plant Anatomy, Institute of Biology, ELTE-Eötvös Loránd University, Budapest, 1053, Hungary
| | - Penna Suprasanna
- Nuclear Agriculture and Biotechnology Division, Bhabha Atomic Research Centre, Trombay, Mumbai, 400 085, India
| | - P B Kavi Kishor
- Department of Biotechnology, Vignan's Foundation for Science Technology and Research, Vadlamudi, Guntur, 522 213, India
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Liu X, Zhang Y, Liu H, Jiao X, Zhang Q, Zhang S, Zhao ZK. RNA interference in the oleaginous yeast Rhodosporidium toruloides. FEMS Yeast Res 2019; 19:5462653. [PMID: 30985887 DOI: 10.1093/femsyr/foz031] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2018] [Accepted: 04/13/2019] [Indexed: 01/21/2023] Open
Abstract
The red yeast Rhodosporidium toruloides is an excellent microbial host for production of carotenoids, neutral lipids and valuable enzymes. In recent years, genetic tools for gene expression and gene disruption have been developed for this red yeast. However, methods remain limited in terms of fine-tuning gene expression. In this study, we first demonstrated successful implementation of RNA interference (RNAi) in R. toruloides NP11, which was applied to down-regulate the expression of autophagy related gene 8 (ATG8), and fatty acid synthase genes (FAS1 and FAS2), respectively. Compared with the control strain, RNAi-engineered strains showed a silencing efficiency ranging from 11% to 92%. The RNAi approach described here ensures selective inhibition of the target gene expression, and should expand our capacity in the genetic manipulation of R. toruloides for both fundamental research and advanced cell factory development.
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Affiliation(s)
- Xiangjian Liu
- School of Biological Engineering, Dalian Polytechnic University, Dalian 116034, PR China.,Laboratory of Biotechnology, Dalian Institute of Chemical Physics, CAS, 457 Zhongshan Road, Dalian 116023, PR China
| | - Yue Zhang
- Laboratory of Biotechnology, Dalian Institute of Chemical Physics, CAS, 457 Zhongshan Road, Dalian 116023, PR China.,University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Hongdi Liu
- Laboratory of Biotechnology, Dalian Institute of Chemical Physics, CAS, 457 Zhongshan Road, Dalian 116023, PR China
| | - Xiang Jiao
- Laboratory of Biotechnology, Dalian Institute of Chemical Physics, CAS, 457 Zhongshan Road, Dalian 116023, PR China
| | - Qi Zhang
- Laboratory of Biotechnology, Dalian Institute of Chemical Physics, CAS, 457 Zhongshan Road, Dalian 116023, PR China
| | - Sufang Zhang
- Laboratory of Biotechnology, Dalian Institute of Chemical Physics, CAS, 457 Zhongshan Road, Dalian 116023, PR China
| | - Zongbao Kent Zhao
- Laboratory of Biotechnology, Dalian Institute of Chemical Physics, CAS, 457 Zhongshan Road, Dalian 116023, PR China
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Darsan Singh JK, Mat Jalaluddin NS, Sanan-Mishra N, Harikrishna JA. Genetic modification in Malaysia and India: current regulatory framework and the special case of non-transformative RNAi in agriculture. PLANT CELL REPORTS 2019; 38:1449-1463. [PMID: 31350570 DOI: 10.1007/s00299-019-02446-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/08/2019] [Revised: 07/09/2019] [Accepted: 07/18/2019] [Indexed: 05/20/2023]
Abstract
Recent developments in modern biotechnology such as the use of RNA interference (RNAi) have broadened the scope of crop genetic modification. RNAi strategies have led to significant achievements in crop protection against biotic and abiotic stresses, modification of plant traits, and yield improvement. As RNAi-derived varieties of crops become more useful in the field, it is important to examine the capacity of current regulatory systems to deal with such varieties, and to determine if changes are needed to improve the existing frameworks. We review the biosafety frameworks from the perspective of developing countries that are increasingly involved in modern biotechnology research, including RNAi applications, and make some recommendations. Malaysia and India have approved laws regulating living modified organisms and products thereof, highlighting that the use of any genetically modified step requires regulatory scrutiny. In view of production methods for exogenously applied double-stranded RNAs and potential risks from the resulting double-stranded RNA-based products, we argue that a process-based system may be inappropriate for the non-transformative RNAi technology. We here propose that the current legislation needs rewording to take account of the non-transgenic RNAi technology, and discuss the best alternative for regulatory systems in India and Malaysia in comparison with the existing frameworks in other countries.
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Affiliation(s)
- Jasdeep Kaur Darsan Singh
- Centre for Research in Biotechnology for Agriculture (CEBAR), Level 3, Research Management and Innovation Complex, University of Malaya, Jalan Universiti, 50603, Kuala Lumpur, Malaysia
- Faculty of Science, Institute of Biological Sciences, University of Malaya, Jalan Universiti, 50603, Kuala Lumpur, Malaysia
| | - Nurzatil Sharleeza Mat Jalaluddin
- Centre for Research in Biotechnology for Agriculture (CEBAR), Level 3, Research Management and Innovation Complex, University of Malaya, Jalan Universiti, 50603, Kuala Lumpur, Malaysia
| | - Neeti Sanan-Mishra
- International Centre for Genetic Engineering and Biotechnology (ICGEB), Aruna Asaf Ali Marg, New Delhi, Delhi, 110067, India
| | - Jennifer Ann Harikrishna
- Centre for Research in Biotechnology for Agriculture (CEBAR), Level 3, Research Management and Innovation Complex, University of Malaya, Jalan Universiti, 50603, Kuala Lumpur, Malaysia.
- Faculty of Science, Institute of Biological Sciences, University of Malaya, Jalan Universiti, 50603, Kuala Lumpur, Malaysia.
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He F, Zhang R, Zhao J, Qi T, Kang Z, Guo J. Host-Induced Silencing of Fusarium graminearum Genes Enhances the Resistance of Brachypodium distachyon to Fusarium Head Blight. FRONTIERS IN PLANT SCIENCE 2019; 10:1362. [PMID: 31737001 PMCID: PMC6831556 DOI: 10.3389/fpls.2019.01362] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Accepted: 10/03/2019] [Indexed: 05/30/2023]
Abstract
Fusarium head blight (FHB) caused by Fusarium pathogens are devastating diseases worldwide. Host-induced gene silencing (HIGS) which involves host expression of double-stranded RNA (dsRNA)-generating constructs directed against genes in the pathogen has been a potential strategy for the ecological sound control of FHB. In this study, we constructed transgenic Brachypodium distachyon lines carrying RNA interference (RNAi) cassettes to target two essential protein kinase genes Fg00677 and Fg08731, and cytochrome P450 lanosterol C14-α-demethylase (CYP51) encoding genes (CYP51A, CYP51B, and CYP51C) of Fusarium graminearum, respectively. Northern blotting confirmed the presence of short interfering RNAs (siRNA) derived from Fg00677, Fg08731, and CYP51 in transgenic B. distachyon plants, and the transcript levels of the corresponding genes were down-regulated in the F. graminearum colonizing B. distachyon spikes. All the corresponding independent, Fg00677-RNAi, Fg08731-RNAi, and CYP51-RNAi transgenic T2 lines exhibited strong resistance to F. graminearum, suggesting that silencing molecules produced by transgenic plants inhibited the corresponding gene function by down-regulating its expression, thereby reducing pathogenicity. Our results indicate that Fg00677 and Fg08731 are effective targets for HIGS and can be applied to construct transgenic HIGS materials to enhance FHB resistance in wheat and other cereal crops.
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Vázquez-Domínguez I, Garanto A, Collin RWJ. Molecular Therapies for Inherited Retinal Diseases-Current Standing, Opportunities and Challenges. Genes (Basel) 2019; 10:genes10090654. [PMID: 31466352 PMCID: PMC6770110 DOI: 10.3390/genes10090654] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 08/23/2019] [Accepted: 08/26/2019] [Indexed: 12/15/2022] Open
Abstract
Inherited retinal diseases (IRDs) are both genetically and clinically highly heterogeneous and have long been considered incurable. Following the successful development of a gene augmentation therapy for biallelic RPE65-associated IRD, this view has changed. As a result, many different therapeutic approaches are currently being developed, in particular a large variety of molecular therapies. These are depending on the severity of the retinal degeneration, knowledge of the pathophysiological mechanism underlying each subtype of IRD, and the therapeutic target molecule. DNA therapies include approaches such as gene augmentation therapy, genome editing and optogenetics. For some genetic subtypes of IRD, RNA therapies and compound therapies have also shown considerable therapeutic potential. In this review, we summarize the current state-of-the-art of various therapeutic approaches, including the pros and cons of each strategy, and outline the future challenges that lie ahead in the combat against IRDs.
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Affiliation(s)
- Irene Vázquez-Domínguez
- Department of Human Genetics and Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center, 6525GA Nijmegen, The Netherlands
| | - Alejandro Garanto
- Department of Human Genetics and Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center, 6525GA Nijmegen, The Netherlands.
| | - Rob W J Collin
- Department of Human Genetics and Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center, 6525GA Nijmegen, The Netherlands.
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Li L, Hong Y, Qiu H, Yang F, Li F. VP19 is important for the envelope coating of white spot syndrome virus. Virus Res 2019; 270:197666. [PMID: 31306682 DOI: 10.1016/j.virusres.2019.197666] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Revised: 07/10/2019] [Accepted: 07/12/2019] [Indexed: 12/17/2022]
Abstract
VP19 is a major envelope protein of white spot syndrome virus (WSSV), an important pathogen of farmed shrimp. However, the exact function of VP19 in WSSV assembly and infection is unknown. To understand the function of VP19, the gene was knocked down by RNA interference. We found that the dsRNA specific for vp19 gene dramatically reduced the replication of WSSV genomic DNA in infected animals. Further investigation by transmission electron microscopy showed that inhibition of VP19 prevented envelope coating of progeny virions, resulting in a high amount of immature virus particles without outer layer (envelope) in the host cells. This finding was further confirmed by SDS-PAGE analysis, which showed the loss of VP19 and other envelope proteins from the improperly assembled virions. These results suggest that VP19 is essential for WSSV envelope coating.
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Affiliation(s)
- Li Li
- College of Tea and Food Science, Wuyi University, Wuyishan, Fujian, China
| | - Yongcong Hong
- College of Tea and Food Science, Wuyi University, Wuyishan, Fujian, China
| | - Huaina Qiu
- Key Laboratory of Marine Genetic Resources of State Oceanic Administration, State Key Laboratory Breeding Base of Marine Genetic Resources, Third Institute of Oceanography, Ministry of Natural Resources, Xiamen, China
| | - Feng Yang
- Key Laboratory of Marine Genetic Resources of State Oceanic Administration, State Key Laboratory Breeding Base of Marine Genetic Resources, Third Institute of Oceanography, Ministry of Natural Resources, Xiamen, China; Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
| | - Fang Li
- Key Laboratory of Marine Genetic Resources of State Oceanic Administration, State Key Laboratory Breeding Base of Marine Genetic Resources, Third Institute of Oceanography, Ministry of Natural Resources, Xiamen, China.
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