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Slomkowski S, Basinska T, Gadzinowski M, Mickiewicz D. Polyesters and Polyester Nano- and Microcarriers for Drug Delivery. Polymers (Basel) 2024; 16:2503. [PMID: 39274136 PMCID: PMC11397835 DOI: 10.3390/polym16172503] [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: 02/05/2024] [Revised: 08/26/2024] [Accepted: 08/29/2024] [Indexed: 09/16/2024] Open
Abstract
Many therapies require the transport of therapeutic compounds or substances encapsulated in carriers that reduce or, if possible, eliminate their direct contact with healthy tissue and components of the immune system, which may react to them as something foreign and dangerous to the patient's body. To date, inorganic nanoparticles, solid lipids, micelles and micellar aggregates, liposomes, polymeric micelles, and other polymer assemblies were tested as drug carriers. Specifically, using polymers creates a variety of options to prepare nanocarriers tailored to the chosen needs. Among polymers, aliphatic polyesters are a particularly important group. The review discusses controlled synthesis of poly(β-butyrolactone)s, polylactides, polyglycolide, poly(ε-caprolactone), and copolymers containing polymacrolactone units with double bonds suitable for preparation of functionalized nanoparticles. Discussed are syntheses of aliphatic polymers with controlled molar masses ranging from a few thousand to 106 and, in the case of polyesters with chiral centers in the chains, with controlled microstructure. The review presents also a collection of methods useful for the preparation of the drug-loaded nanocarriers: classical, developed and mastered more recently (e.g., nanoprecipitation), and forgotten but still with great potential (by the direct synthesis of the drug-loaded nanoparticles in the process comprising monomer and drug). The article describes also in-vitro and model in-vivo studies for the brain-targeted drugs based on polyester-containing nanocarriers and presents a brief update on the clinical studies and the polyester nanocarrier formulation approved for application in the clinics in South Korea for the treatment of breast, lung, and ovarian cancers.
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Affiliation(s)
- Stanislaw Slomkowski
- Division of Functional Polymers and Polymer Materials, Centre of Molecular and Macromolecular Studies, Polish Academy of Sciences, H. Sienkiewicza 112, 90-363 Lodz, Poland
| | - Teresa Basinska
- Division of Functional Polymers and Polymer Materials, Centre of Molecular and Macromolecular Studies, Polish Academy of Sciences, H. Sienkiewicza 112, 90-363 Lodz, Poland
| | - Mariusz Gadzinowski
- Division of Functional Polymers and Polymer Materials, Centre of Molecular and Macromolecular Studies, Polish Academy of Sciences, H. Sienkiewicza 112, 90-363 Lodz, Poland
| | - Damian Mickiewicz
- Division of Functional Polymers and Polymer Materials, Centre of Molecular and Macromolecular Studies, Polish Academy of Sciences, H. Sienkiewicza 112, 90-363 Lodz, Poland
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2
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Diankristanti PA, Lin YC, Yi YC, Ng IS. Polyhydroxyalkanoates bioproduction from bench to industry: Thirty years of development towards sustainability. BIORESOURCE TECHNOLOGY 2024; 393:130149. [PMID: 38049017 DOI: 10.1016/j.biortech.2023.130149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 11/30/2023] [Accepted: 12/01/2023] [Indexed: 12/06/2023]
Abstract
The pursuit of carbon neutrality goals has sparked considerable interest in expanding bioplastics production from microbial cell factories. One prominent class of bioplastics, polyhydroxyalkanoates (PHA), is generated by specific microorganisms, serving as carbon and energy storage materials. To begin with, a native PHA producer, Cupriavidus necator (formerly Ralstonia eutropha) is extensively studied, covering essential topics such as carbon source selection, cultivation techniques, and accumulation enhancement strategies. Recently, various hosts including archaea, bacteria, cyanobacteria, yeast, and plants have been explored, stretching the limit of microbial PHA production. This review provides a comprehensive overview of current advancements in PHA bioproduction, spanning from the native to diversified cell factories. Recovery and purification techniques are discussed, and the current status of industrial applications is assessed as a critical milestone for startups. Ultimately, it concludes by addressing contemporary challenges and future prospects, offering insights into the path towards reduced carbon emissions and sustainable development goals.
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Affiliation(s)
| | - Yu-Chieh Lin
- Department of Chemical Engineering, National Cheng Kung University, Tainan, Taiwan
| | - Ying-Chen Yi
- Department of Chemical Engineering, National Cheng Kung University, Tainan, Taiwan; Department of Energy, Environmental and Chemical Engineering, Washington University in St. Louis, USA
| | - I-Son Ng
- Department of Chemical Engineering, National Cheng Kung University, Tainan, Taiwan.
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3
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Malik MR, Patterson N, Sharma N, Tang J, Burkitt C, Ji Y, Martino M, Hertig A, Schweitzer D, Peoples O, Snell KD. Polyhydroxybutyrate synthesis in Camelina: Towards coproduction of renewable feedstocks for bioplastics and fuels. PLANT BIOTECHNOLOGY JOURNAL 2023; 21:2671-2682. [PMID: 37610031 PMCID: PMC10651141 DOI: 10.1111/pbi.14162] [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: 06/22/2022] [Revised: 06/28/2023] [Accepted: 07/26/2023] [Indexed: 08/24/2023]
Abstract
Plant-based co-production of polyhydroxyalkanoates (PHAs) and seed oil has the potential to create a viable domestic source of feedstocks for renewable fuels and plastics. PHAs, a class of biodegradable polyesters, can replace conventional plastics in many applications while providing full degradation in all biologically active environments. Here we report the production of the PHA poly[(R)-3-hydroxybutyrate] (PHB) in the seed cytosol of the emerging bioenergy crop Camelina sativa engineered with a bacterial PHB biosynthetic pathway. Two approaches were used: cytosolic localization of all three enzymes of the PHB pathway in the seed, or localization of the first two enzymes of the pathway in the cytosol and anchoring of the third enzyme required for polymerization to the cytosolic face of the endoplasmic reticulum (ER). The ER-targeted approach was found to provide more stable polymer production with PHB levels up to 10.2% of the mature seed weight achieved in seeds with good viability. These results mark a significant step forward towards engineering lines for commercial use. Plant-based PHA production would enable a direct link between low-cost large-scale agricultural production of biodegradable polymers and seed oil with the global plastics and renewable fuels markets.
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Affiliation(s)
| | - Nii Patterson
- Yield10 Bioscience, Inc.WoburnMassachusettsUSA
- Present address:
Aquatic and Crop Resource Development Research Center, National Research Council CanadaSaskatoonSaskatchewanCanada
| | | | - Jihong Tang
- Yield10 Bioscience, Inc.WoburnMassachusettsUSA
| | | | - Yuanyuan Ji
- Yield10 Oilseeds, Inc.SaskatoonSaskatchewanCanada
| | - Matthew Martino
- Yield10 Bioscience, Inc.WoburnMassachusettsUSA
- Present address:
Middletown High SchoolMiddletownNew YorkUSA
| | - Andrew Hertig
- Yield10 Bioscience, Inc.WoburnMassachusettsUSA
- Present address:
Qualigen TherapeuticsCarlsbadCaliforniaUSA
| | - Dirk Schweitzer
- Yield10 Bioscience, Inc.WoburnMassachusettsUSA
- Present address:
Impact Nano, LLCDevensMassachusettsUSA
| | | | - Kristi D. Snell
- Yield10 Oilseeds, Inc.SaskatoonSaskatchewanCanada
- Yield10 Bioscience, Inc.WoburnMassachusettsUSA
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4
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Angra V, Sehgal R, Gupta R. Trends in PHA Production by Microbially Diverse and Functionally Distinct Communities. MICROBIAL ECOLOGY 2023; 85:572-585. [PMID: 35333950 DOI: 10.1007/s00248-022-01995-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Accepted: 03/10/2022] [Indexed: 06/14/2023]
Abstract
Along with the wide applications of conventional plastics, they have a large number of disadvantages like their non-biodegradable nature, dependency on fossil fuels and the release of large amounts of toxic materials in the environment. Therefore, to resolve these problems, a number of bioplastics are studied, out of which polyhydroxyalkanoates are considered as the best alternatives. Polyhydroxyalkanoates (PHAs) are produced by microorganisms as intracellular granules during stressful conditions. Though a wide range of organisms can naturally produce PHAs, only a few of them can be used for commercial production. Therefore, more diverse organisms that accumulate a considerable amount of PHAs and also reduce the production cost need to be exploited. Transgenic plants, recombinant bacteria, algae and extremophiles are some diverse organisms that produce a high amount of PHAs at a low cost. So, if potential organisms are used for PHA production, bioplastics will be able to completely replace petroleum-based polymers. Therefore, our review mainly focuses on production of PHAs using potential organisms so that amount of PHAs produced is high and cost-effective which would further help in the commercialization of PHAs.
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Affiliation(s)
- Vani Angra
- Department of Biotechnology, Himachal Pradesh University, Summerhill, Shimla, 171005, India
| | - Rutika Sehgal
- Department of Biotechnology, Himachal Pradesh University, Summerhill, Shimla, 171005, India
| | - Reena Gupta
- Department of Biotechnology, Himachal Pradesh University, Summerhill, Shimla, 171005, India.
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Al-Khairy D, Fu W, Alzahmi AS, Twizere JC, Amin SA, Salehi-Ashtiani K, Mystikou A. Closing the Gap between Bio-Based and Petroleum-Based Plastic through Bioengineering. Microorganisms 2022; 10:microorganisms10122320. [PMID: 36557574 PMCID: PMC9787566 DOI: 10.3390/microorganisms10122320] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 11/17/2022] [Accepted: 11/21/2022] [Indexed: 11/25/2022] Open
Abstract
Bioplastics, which are plastic materials produced from renewable bio-based feedstocks, have been investigated for their potential as an attractive alternative to petroleum-based plastics. Despite the harmful effects of plastic accumulation in the environment, bioplastic production is still underdeveloped. Recent advances in strain development, genome sequencing, and editing technologies have accelerated research efforts toward bioplastic production and helped to advance its goal of replacing conventional plastics. In this review, we highlight bioengineering approaches, new advancements, and related challenges in the bioproduction and biodegradation of plastics. We cover different types of polymers, including polylactic acid (PLA) and polyhydroxyalkanoates (PHAs and PHBs) produced by bacterial, microalgal, and plant species naturally as well as through genetic engineering. Moreover, we provide detailed information on pathways that produce PHAs and PHBs in bacteria. Lastly, we present the prospect of using large-scale genome engineering to enhance strains and develop microalgae as a sustainable production platform.
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Affiliation(s)
- Dina Al-Khairy
- Division of Science and Math, New York University Abu Dhabi, Abu Dhabi 129188, United Arab Emirates
| | - Weiqi Fu
- Division of Science and Math, New York University Abu Dhabi, Abu Dhabi 129188, United Arab Emirates
- Department of Marine Science, Ocean College, Zhejiang University & Donghai Laboratory, Zhoushan 316021, China
| | - Amnah Salem Alzahmi
- Division of Science and Math, New York University Abu Dhabi, Abu Dhabi 129188, United Arab Emirates
- Center for Genomics and Systems Biology (CGSB), Institute Abu Dhabi, New York University Abu Dhabi, Abu Dhabi 129188, United Arab Emirates
| | - Jean-Claude Twizere
- Division of Science and Math, New York University Abu Dhabi, Abu Dhabi 129188, United Arab Emirates
- Laboratory of Viral Interactomes Networks, Unit of Molecular Biology of Diseases, Interdisciplinary Cluster for Applied Genoproteomics (GIGA Institute), University of Liège, 4000 Liège, Belgium
| | - Shady A. Amin
- Division of Science and Math, New York University Abu Dhabi, Abu Dhabi 129188, United Arab Emirates
- Center for Genomics and Systems Biology (CGSB), Institute Abu Dhabi, New York University Abu Dhabi, Abu Dhabi 129188, United Arab Emirates
| | - Kourosh Salehi-Ashtiani
- Division of Science and Math, New York University Abu Dhabi, Abu Dhabi 129188, United Arab Emirates
- Center for Genomics and Systems Biology (CGSB), Institute Abu Dhabi, New York University Abu Dhabi, Abu Dhabi 129188, United Arab Emirates
- Correspondence: (K.S.-A.); (A.M.)
| | - Alexandra Mystikou
- Division of Science and Math, New York University Abu Dhabi, Abu Dhabi 129188, United Arab Emirates
- Center for Genomics and Systems Biology (CGSB), Institute Abu Dhabi, New York University Abu Dhabi, Abu Dhabi 129188, United Arab Emirates
- Correspondence: (K.S.-A.); (A.M.)
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6
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Polyhydroxyalkanoate bio-production and its rise as biomaterial of the future. J Biotechnol 2022; 348:10-25. [PMID: 35298952 DOI: 10.1016/j.jbiotec.2022.03.001] [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: 11/11/2021] [Revised: 02/20/2022] [Accepted: 03/01/2022] [Indexed: 10/18/2022]
Abstract
The first observation of a polyhydroxyalkanoate (PHA) aggregate was in 1888 by Beijenrinck. Despite polyhydroxybutyrate (PHB) being the first type of PHA discovered, it was not extracted and characterized until 1925 by Maurice Lemoigne in France, even before the concept of "macromolecules" was known. After more than 30 years, in 1958, Wilkinson and co-workers rediscovered PHB and its metabolic role in the cells as storage compound. PHB started to be appealing to the industry in the 1980s, when a few companies started to commercialize microbially produced PHAs. During the 1990 s, the focus was on reducing production costs to make PHA production economically feasible, for instance by genetically modified microorganisms and even plants. Since then, many advances have been made: diverse wastes as feedstock, different production processes, and tailored design of biopolymers. This paper summarizes the scientific and technological development of PHAs from their discovery in 1888 until their latest applications and current commercial uses. Future perspectives have been devised too based on the current bottlenecks.
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7
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Sun T, Zhu Q, Wei Z, Owens LA, Fish T, Kim H, Thannhauser TW, Cahoon EB, Li L. Multi-strategy engineering greatly enhances provitamin A carotenoid accumulation and stability in Arabidopsis seeds. ABIOTECH 2021; 2:191-214. [PMID: 36303886 PMCID: PMC9590580 DOI: 10.1007/s42994-021-00046-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Accepted: 04/26/2021] [Indexed: 01/08/2023]
Abstract
Staple grains with low levels of provitamin A carotenoids contribute to the global prevalence of vitamin A deficiency and therefore are the main targets for provitamin A biofortification. However, carotenoid stability during both seed maturation and postharvest storage is a serious concern for the full benefits of carotenoid biofortified grains. In this study, we utilized Arabidopsis as a model to establish carotenoid biofortification strategies in seeds. We discovered that manipulation of carotenoid biosynthetic activity by seed-specific expression of Phytoene synthase (PSY) increases both provitamin A and total carotenoid levels but the increased carotenoids are prone to degradation during seed maturation and storage, consistent with previous studies of provitamin A biofortified grains. In contrast, stacking with Orange (OR His ), a gene that initiates chromoplast biogenesis, dramatically enhances provitamin A and total carotenoid content and stability. Up to 65- and 10-fold increases of β-carotene and total carotenoids, respectively, with provitamin A carotenoids composing over 63% were observed in the seeds containing OR His and PSY. Co-expression of Homogentisate geranylgeranyl transferase (HGGT) with OR His and PSY further increases carotenoid accumulation and stability during seed maturation and storage. Moreover, knocking-out of β-carotene hydroxylase 2 (BCH2) by CRISPR/Cas9 not only potentially facilitates β-carotene accumulation but also minimizes the negative effect of carotenoid over production on seed germination. Our findings provide new insights into various processes on carotenoid accumulation and stability in seeds and establish a multiplexed strategy to simultaneously target carotenoid biosynthesis, turnover, and stable storage for carotenoid biofortification in crop seeds. Supplementary Information The online version contains supplementary material available at 10.1007/s42994-021-00046-1.
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Affiliation(s)
- Tianhu Sun
- Robert W. Holley Center for Agriculture and Health, USDA-ARS, Cornell University, Ithaca, NY 14853 USA.,Plant Breeding and Genetics Section, School of Integrative Plant Science, Cornell University, Ithaca, NY 14853 USA
| | - Qinlong Zhu
- Robert W. Holley Center for Agriculture and Health, USDA-ARS, Cornell University, Ithaca, NY 14853 USA.,State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, College of Life Sciences, South China Agricultural University, Guangzhou, 510642 China
| | - Ziqing Wei
- Robert W. Holley Center for Agriculture and Health, USDA-ARS, Cornell University, Ithaca, NY 14853 USA
| | - Lauren A Owens
- Robert W. Holley Center for Agriculture and Health, USDA-ARS, Cornell University, Ithaca, NY 14853 USA
| | - Tara Fish
- Robert W. Holley Center for Agriculture and Health, USDA-ARS, Cornell University, Ithaca, NY 14853 USA
| | - Hyojin Kim
- Department of Biochemistry and Center for Plant Science Innovation, University of Nebraska-Lincoln, Lincoln, NE 68588 USA
| | - Theodore W Thannhauser
- Robert W. Holley Center for Agriculture and Health, USDA-ARS, Cornell University, Ithaca, NY 14853 USA
| | - Edgar B Cahoon
- Department of Biochemistry and Center for Plant Science Innovation, University of Nebraska-Lincoln, Lincoln, NE 68588 USA
| | - Li Li
- Robert W. Holley Center for Agriculture and Health, USDA-ARS, Cornell University, Ithaca, NY 14853 USA.,Plant Breeding and Genetics Section, School of Integrative Plant Science, Cornell University, Ithaca, NY 14853 USA
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8
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Bhola S, Arora K, Kulshrestha S, Mehariya S, Bhatia RK, Kaur P, Kumar P. Established and Emerging Producers of PHA: Redefining the Possibility. Appl Biochem Biotechnol 2021; 193:3812-3854. [PMID: 34347250 DOI: 10.1007/s12010-021-03626-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2021] [Accepted: 07/12/2021] [Indexed: 12/25/2022]
Abstract
The polyhydroxyalkanoate was discovered almost around a century ago. Still, all the efforts to replace the traditional non-biodegradable plastic with much more environmentally friendly alternative are not enough. While the petroleum-based plastic is like a parasite, taking over the planet rapidly and without any feasible cure, its perennial presence has made the ocean a floating island of life-threatening debris and has flooded the landfills with toxic towering mountains. It demands for an immediate solution; most resembling answer would be the polyhydroxyalkanoates. The production cost is yet one of the significant challenges that various corporate is facing to replace the petroleum-based plastic. To deal with the economic constrain better strain, better practices, and a better market can be adopted for superior results. It demands for systems for polyhydroxyalkanoate production namely bacteria, yeast, microalgae, and transgenic plants. Solely strains affect more than 40% of overall production cost, playing a significant role in both upstream and downstream processes. The highly modifiable nature of the biopolymer provides the opportunity to replace the petroleum plastic in almost all sectors from food packaging to medical industry. The review will highlight the recent advancements and techno-economic analysis of current commercial models of polyhydroxyalkanoate production. Bio-compatibility and the biodegradability perks to be utilized highly efficient in the medical applications gives ample reason to tilt the scale in the favor of the polyhydroxyalkanoate as the new conventional and sustainable plastic.
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Affiliation(s)
- Shivam Bhola
- Faculty of Applied Sciences and Biotechnology, Shoolini University of Biotechnology and Management Sciences, Solan, 173229, India
| | - Kanika Arora
- Faculty of Applied Sciences and Biotechnology, Shoolini University of Biotechnology and Management Sciences, Solan, 173229, India
| | - Saurabh Kulshrestha
- Faculty of Applied Sciences and Biotechnology, Shoolini University of Biotechnology and Management Sciences, Solan, 173229, India
| | | | - Ravi Kant Bhatia
- Department of Biotechnology, Himachal Pradesh University, Summer Hill, Shimla, 171005, India
| | - Parneet Kaur
- Faculty of Applied Sciences and Biotechnology, Shoolini University of Biotechnology and Management Sciences, Solan, 173229, India
| | - Pradeep Kumar
- Faculty of Applied Sciences and Biotechnology, Shoolini University of Biotechnology and Management Sciences, Solan, 173229, India.
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Cai G, Wang G, Kim SC, Li J, Zhou Y, Wang X. Increased expression of fatty acid and ABC transporters enhances seed oil production in camelina. BIOTECHNOLOGY FOR BIOFUELS 2021; 14:49. [PMID: 33640013 PMCID: PMC7913393 DOI: 10.1186/s13068-021-01899-w] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Accepted: 02/09/2021] [Indexed: 05/04/2023]
Abstract
BACKGROUND Lipid transporters play an essential role in lipid delivery and distribution, but their influence on seed oil production in oilseed crops is not well studied. RESULTS Here, we examined the effect of two lipid transporters, FAX1 (fatty acid export1) and ABCA9 (ATP-binding cassette transporter subfamily A9) on oil production and lipid metabolism in the oilseed plant Camelina sativa. Overexpression (OE) of FAX1 and ABCA9 increased seed weight and size, with FAX1-OEs and ABCA9-OEs increasing seed length and width, respectively, whereas FAX1/ABCA9-OEs increasing both. FAX1-OE and ABCA9-OE displayed additive effects on seed oil content and seed yield. Also, OE of FAX1 and ABCA9 affected membrane lipid composition in developing pods, especially on phosphatidylcholine, phosphatidylethanolamine, and phosphatidylglycerol. The expression of some genes involved in seed oil synthesis, such as DGAT2, PDAT1, and LEC1, was increased in developing seeds of FAX1- and/or ABCA9-OEs. CONCLUSION These results indicate that increased expression of FAX1 and ABCA9 can potentially be applied to improving camelina oil production.
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Affiliation(s)
- Guangqin Cai
- Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture and Rural Affairs, Oil Crop Research Institute, Chinese Academy of Agricultural Sciences, Wuhan, 430062 Hubei China
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan, 430070 Hubei China
- Department of Biology, University of Missouri, St. Louis, MO 63121 USA
- Donald Danforth Plant Science Center, St. Louis, MO 63132 USA
| | - Geliang Wang
- Department of Biology, University of Missouri, St. Louis, MO 63121 USA
- Donald Danforth Plant Science Center, St. Louis, MO 63132 USA
| | - Sang-Chul Kim
- Department of Biology, University of Missouri, St. Louis, MO 63121 USA
- Donald Danforth Plant Science Center, St. Louis, MO 63132 USA
| | - Jianwu Li
- Department of Biology, University of Missouri, St. Louis, MO 63121 USA
- Donald Danforth Plant Science Center, St. Louis, MO 63132 USA
| | - Yongming Zhou
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan, 430070 Hubei China
| | - Xuemin Wang
- Department of Biology, University of Missouri, St. Louis, MO 63121 USA
- Donald Danforth Plant Science Center, St. Louis, MO 63132 USA
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10
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Lu H, Yuan G, Strauss SH, Tschaplinski TJ, Tuskan GA, Chen JG, Yang X. Reconfiguring Plant Metabolism for Biodegradable Plastic Production. BIODESIGN RESEARCH 2020; 2020:9078303. [PMID: 37849903 PMCID: PMC10530661 DOI: 10.34133/2020/9078303] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Accepted: 07/11/2020] [Indexed: 10/19/2023] Open
Abstract
For decades, plants have been the subject of genetic engineering to synthesize novel, value-added compounds. Polyhydroxyalkanoates (PHAs), a large class of biodegradable biopolymers naturally synthesized in eubacteria, are among the novel products that have been introduced to make use of plant acetyl-CoA metabolic pathways. It was hoped that renewable PHA production would help address environmental issues associated with the accumulation of nondegradable plastic wastes. However, after three decades of effort synthesizing PHAs, and in particular the simplest form polyhydroxybutyrate (PHB), and seeking to improve their production in plants, it has proven very difficult to reach a commercially profitable rate in a normally growing plant. This seems to be due to the growth defects associated with PHA production and accumulation in plant cells. Here, we review major breakthroughs that have been made in plant-based PHA synthesis using traditional genetic engineering approaches and discuss challenges that have been encountered. Then, from the point of view of plant synthetic biology, we provide perspectives on reprograming plant acetyl-CoA pathways for PHA production, with the goal of maximizing PHA yield while minimizing growth inhibition. Specifically, we suggest genetic elements that can be considered in genetic circuit design, approaches for nuclear genome and plastome modification, and the use of multiomics and mathematical modeling in understanding and restructuring plant metabolic pathways.
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Affiliation(s)
- Haiwei Lu
- Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
| | - Guoliang Yuan
- Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
- The Center for Bioenergy Innovation, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
| | - Steven H. Strauss
- Department of Forest Ecosystems and Society, Oregon State University, Corvallis, OR 97331, USA
| | - Timothy J. Tschaplinski
- Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
- The Center for Bioenergy Innovation, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
| | - Gerald A. Tuskan
- Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
- The Center for Bioenergy Innovation, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
| | - Jin-Gui Chen
- Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
- The Center for Bioenergy Innovation, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
| | - Xiaohan Yang
- Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
- The Center for Bioenergy Innovation, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
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11
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Yuan L, Li R. Metabolic Engineering a Model Oilseed Camelina sativa for the Sustainable Production of High-Value Designed Oils. FRONTIERS IN PLANT SCIENCE 2020; 11:11. [PMID: 32117362 PMCID: PMC7028685 DOI: 10.3389/fpls.2020.00011] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Accepted: 01/08/2020] [Indexed: 05/06/2023]
Abstract
Camelina sativa (L.) Crantz is an important Brassicaceae oil crop with a number of excellent agronomic traits including low water and fertilizer input, strong adaptation and resistance. Furthermore, its short life cycle and easy genetic transformation, combined with available data of genome and other "-omics" have enabled camelina as a model oil plant to study lipid metabolism regulation and genetic improvement. Particularly, camelina is capable of rapid metabolic engineering to synthesize and accumulate high levels of unusual fatty acids and modified oils in seeds, which are more stable and environmentally friendly. Such engineered camelina oils have been increasingly used as the super resource for edible oil, health-promoting food and medicine, biofuel oil and high-valued chemical production. In this review, we mainly highlight the latest advance in metabolic engineering towards the predictive manipulation of metabolism for commercial production of desirable bio-based products using camelina as an ideal platform. Moreover, we deeply analysis camelina seed metabolic engineering strategy and its promising achievements by describing the metabolic assembly of biosynthesis pathways for acetyl glycerides, hydroxylated fatty acids, medium-chain fatty acids, ω-3 long-chain polyunsaturated fatty acids, palmitoleic acid (ω-7) and other high-value oils. Future prospects are discussed, with a focus on the cutting-edge techniques in camelina such as genome editing application, fine directed manipulation of metabolism and future outlook for camelina industry development.
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Affiliation(s)
- Lixia Yuan
- College of Biological Science and Technology, Jinzhong University, Jinzhong, China
| | - Runzhi Li
- Institute of Molecular Agriculture and Bioenergy, Shanxi Agricultural University, Taigu, China
- *Correspondence: Runzhi Li,
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12
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Palaci J, Virdi V, Depicker A. Transformation strategies for stable expression of complex hetero-multimeric proteins like secretory immunoglobulin A in plants. PLANT BIOTECHNOLOGY JOURNAL 2019; 17:1760-1769. [PMID: 30801876 PMCID: PMC6686127 DOI: 10.1111/pbi.13098] [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: 04/16/2018] [Revised: 02/12/2019] [Accepted: 02/18/2019] [Indexed: 05/03/2023]
Abstract
Plant expression systems have proven to be exceptional in producing high-value complex polymeric proteins such as secretory IgAs (SIgAs). However, polymeric protein production requires the expression of multiple genes, which can be transformed as single or multiple T-DNA units to generate stable transgenic plant lines. Here, we evaluated four strategies to stably transform multiple genes and to obtain high expression of all components. Using the in-seed expression of a simplified secretory IgA (sSIgA) as a reference molecule, we conclude that it is better to spread the genes over two T-DNAs than to contain them in a single T-DNA, because of the presence of homologous recombination events and gene silencing. These T-DNAs can be cotransformed to obtain transgenic plants in one transformation step. However, if time permits, more transformants with high production levels of the polymeric protein can be obtained either by sequential transformation or by in-parallel transformation followed by crossing of transformants independently selected for excellent expression of the genes in each T-DNA.
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Affiliation(s)
- Jorge Palaci
- Department of Plant Biotechnology and BioinformaticsGhent UniversityGentBelgium
- VIB Center for Plant Systems BiologyGentBelgium
| | - Vikram Virdi
- Department of Plant Biotechnology and BioinformaticsGhent UniversityGentBelgium
- VIB Center for Plant Systems BiologyGentBelgium
- Department of Biochemistry and MicrobiologyGhent UniversityGentBelgium
- VIB Center for Medical BiotechnologyGentBelgium
| | - Ann Depicker
- Department of Plant Biotechnology and BioinformaticsGhent UniversityGentBelgium
- VIB Center for Plant Systems BiologyGentBelgium
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Malik MR, Tang J, Sharma N, Burkitt C, Ji Y, Mykytyshyn M, Bohmert-Tatarev K, Peoples O, Snell KD. Camelina sativa, an oilseed at the nexus between model system and commercial crop. PLANT CELL REPORTS 2018; 37:1367-1381. [PMID: 29881973 DOI: 10.1007/s00299-018-2308-3] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2018] [Accepted: 06/01/2018] [Indexed: 05/19/2023]
Abstract
The rapid assessment of metabolic engineering strategies in plants is aided by crops that provide simple, high throughput transformation systems, a sequenced genome, and the ability to evaluate the resulting plants in field trials. Camelina sativa provides all of these attributes in a robust oilseed platform. The ability to perform field evaluation of Camelina is a useful, and in some studies essential benefit that allows researchers to evaluate how traits perform outside the strictly controlled conditions of a greenhouse. In the field the plants are subjected to higher light intensities, seasonal diurnal variations in temperature and light, competition for nutrients, and watering regimes dictated by natural weather patterns, all which may affect trait performance. There are difficulties associated with the use of Camelina. The current genetic resources available for Camelina pale in comparison to those developed for the model plant Arabidopsis thaliana; however, the sequence similarity of the Arabidopsis and Camelina genomes often allows the use of Arabidopsis as a reference when additional information is needed. Camelina's genome, an allohexaploid, is more complex than other model crops, but the diploid inheritance of its three subgenomes is straightforward. The need to navigate three copies of each gene in genome editing or mutagenesis experiments adds some complexity but also provides advantages for gene dosage experiments. The ability to quickly engineer Camelina with novel traits, advance generations, and bulk up homozygous lines for small-scale field tests in less than a year, in our opinion, far outweighs the complexities associated with the crop.
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Affiliation(s)
- Meghna R Malik
- Metabolix Oilseeds, Inc., 110 Gymnasium Place, Saskatoon, SK, S7N 0W9, Canada
| | - Jihong Tang
- Yield10 Bioscience, Inc., 19 Presidential Way, Woburn, MA, 01801, USA
| | - Nirmala Sharma
- Metabolix Oilseeds, Inc., 110 Gymnasium Place, Saskatoon, SK, S7N 0W9, Canada
| | - Claire Burkitt
- Metabolix Oilseeds, Inc., 110 Gymnasium Place, Saskatoon, SK, S7N 0W9, Canada
| | - Yuanyuan Ji
- Metabolix Oilseeds, Inc., 110 Gymnasium Place, Saskatoon, SK, S7N 0W9, Canada
| | - Marie Mykytyshyn
- Metabolix Oilseeds, Inc., 110 Gymnasium Place, Saskatoon, SK, S7N 0W9, Canada
| | | | - Oliver Peoples
- Yield10 Bioscience, Inc., 19 Presidential Way, Woburn, MA, 01801, USA
| | - Kristi D Snell
- Yield10 Bioscience, Inc., 19 Presidential Way, Woburn, MA, 01801, USA.
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Yu D, Hornung E, Iven T, Feussner I. High-level accumulation of oleyl oleate in plant seed oil by abundant supply of oleic acid substrates to efficient wax ester synthesis enzymes. BIOTECHNOLOGY FOR BIOFUELS 2018; 11:53. [PMID: 29507605 PMCID: PMC5831613 DOI: 10.1186/s13068-018-1057-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2017] [Accepted: 02/21/2018] [Indexed: 05/24/2023]
Abstract
BACKGROUND Biotechnology enables the production of high-valued industrial feedstocks from plant seed oil. The plant-derived wax esters with long-chain monounsaturated acyl moieties, like oleyl oleate, have favorite properties for lubrication. For biosynthesis of wax esters using acyl-CoA substrates, expressions of a fatty acyl reductase (FAR) and a wax synthase (WS) in seeds are sufficient. RESULTS For optimization of the enzymatic activity and subcellular localization of wax ester synthesis enzymes, two fusion proteins were created, which showed wax ester-forming activities in Saccharomyces cerevisiae. To promote the formation of oleyl oleate in seed oil, WSs from Acinetobactor baylyi (AbWSD1) and Marinobacter aquaeolei (MaWS2), as well as the two created fusion proteins were tested in Arabidopsis to evaluate their abilities and substrate preference for wax ester production. The tested seven enzyme combinations resulted in different yields and compositions of wax esters. Expression of a FAR of Marinobacter aquaeolei (MaFAR) with AbWSD1 or MaWS2 led to a high incorporation of C18 substrates in wax esters. The MaFAR/TMMmAWAT2-AbWSD1 combination resulted in the incorporation of more C18:1 alcohol and C18:0 acyl moieties into wax esters compared with MaFAR/AbWSD1. The fusion protein of a WS from Simmondsia chinensis (ScWS) with MaFAR exhibited higher specificity toward C20:1 substrates in preference to C18:1 substrates. Expression of MaFAR/AbWSD1 in the Arabidopsis fad2 fae1 double mutant resulted in the accumulation of oleyl oleate (18:1/18:1) in up to 62 mol% of total wax esters in seed oil, which was much higher than the 15 mol% reached by MaFAR/AbWSD1 in Arabidopsis Col-0 background. In order to increase the level of oleyl oleate in seed oil of Camelina, lines expressing MaFAR/ScWS were crossed with a transgenic high oleate line. The resulting plants accumulated up to >40 mg g seed-1 of wax esters, containing 27-34 mol% oleyl oleate. CONCLUSIONS The overall yields and the compositions of wax esters can be strongly affected by the availability of acyl-CoA substrates and to a lesser extent, by the characteristics of wax ester synthesis enzymes. For synthesis of oleyl oleate in plant seed oil, appropriate wax ester synthesis enzymes with high catalytic efficiency and desired substrate specificity should be expressed in plant cells; meanwhile, high levels of oleic acid-derived substrates need to be supplied to these enzymes by modifying the fatty acid profile of developing seeds.
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Affiliation(s)
- Dan Yu
- Department of Plant Biochemistry, Albrecht-von-Haller-Institute for Plant Sciences, University of Goettingen, Justus-von-Liebig-Weg 11, 37077 Goettingen, Germany
| | - Ellen Hornung
- Department of Plant Biochemistry, Albrecht-von-Haller-Institute for Plant Sciences, University of Goettingen, Justus-von-Liebig-Weg 11, 37077 Goettingen, Germany
| | - Tim Iven
- Department of Plant Biochemistry, Albrecht-von-Haller-Institute for Plant Sciences, University of Goettingen, Justus-von-Liebig-Weg 11, 37077 Goettingen, Germany
| | - Ivo Feussner
- Department of Plant Biochemistry, Albrecht-von-Haller-Institute for Plant Sciences, University of Goettingen, Justus-von-Liebig-Weg 11, 37077 Goettingen, Germany
- Department of Plant Biochemistry, Center for Molecular Biosciences (GZMB), University of Goettingen, Justus-von-Liebig-Weg 11, 37077 Goettingen, Germany
- Department of Plant Biochemistry, International Center for Advanced Studies of Energy Conversion (ICASEC), University of Goettingen, Justus-von-Liebig-Weg 11, 37077 Goettingen, Germany
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15
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Borghi M, Xie DY. Cloning and characterization of a monoterpene synthase gene from flowers of Camelina sativa. PLANTA 2018; 247:443-457. [PMID: 29075872 DOI: 10.1007/s00425-017-2801-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2017] [Accepted: 10/20/2017] [Indexed: 05/15/2023]
Abstract
CsTPS1 encodes for a monoterpene synthase that contributes to the emission of a blend of volatile compounds emitted from flowers of Camelina sativa. The work describes the in vitro characterization of a monoterpene synthase and its regulatory region that we cloned from Camelina sativa (Camelina). Here, we named this gene as C. sativa terpene synthase 1 (CsTPS1). In vitro experiments performed with the CsTPS1 protein after expression and purification from Escherichia coli (E. coli) showed production of a blend of monoterpene volatile organic compounds, of which the emission was also detected in the floral bouquet of wild-type Camelina plants. Quantitative-PCR measurements revealed a high abundance of CsTPS1 transcripts in flowers and experiments performed with the GUS reporter showed high CsTPS1 expression in the pistil, in the cells of the wall of the ovary and in the stigma. Subcellular localization of the CsTPS1 protein was investigated with a GFP reporter construct that showed expression in plastids. The CsTPS1 gene identified in this study belongs to a mid-size family of 60 genes putatively codifying for TPS enzymes. This enlarged family of TPS genes suggests that Camelina has the structural framework for the production of terpenes and other secondary metabolites of relevance for the consumers.
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Affiliation(s)
- Monica Borghi
- Department of Plant and Microbial Biology, North Carolina State University, Raleigh, NC, 27695, USA
- Max-Planck-Institute of Molecular Plant Physiology, Am Mühlenberg, 1, 14476, Potsdam-Golm, Germany
| | - De-Yu Xie
- Department of Plant and Microbial Biology, North Carolina State University, Raleigh, NC, 27695, USA.
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16
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Nausch H, Hausmann T, Ponndorf D, Hühns M, Hoedtke S, Wolf P, Zeyner A, Broer I. Tobacco as platform for a commercial production of cyanophycin. N Biotechnol 2016; 33:842-851. [PMID: 27501906 DOI: 10.1016/j.nbt.2016.08.001] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2016] [Revised: 08/04/2016] [Accepted: 08/04/2016] [Indexed: 01/22/2023]
Abstract
Cyanophycin (CP) is a proteinogenic polymer that can be substituted for petroleum in the production of plastic compounds and can also serve as a source of valuable dietary supplements. However, because there is no economically feasible system for large-scale industrial production, its application is limited. In order to develop a low-input system, CP-synthesis was established in the two commercial Nicotiana tabacum (N. tabacum) cultivars 'Badischer Geudertheimer' (BG) and 'Virginia Golta' (VG), by introducing the cyanophycin-synthetase gene from Thermosynecchococcus elongatus BP-1 (CphATe) either via crossbreeding with transgenic N. tabacum cv. Petit Havana SR1 (PH) T2 individual 51-3-2 or by agrobacterium-mediated transformation. Both in F1 hybrids (max. 9.4% CP/DW) and T0 transformants (max. 8.8% CP/DW), a substantial increase in CP content was achieved in leaf tissue, compared to a maximum of 1.7% CP/DW in PH T0 transformants of Hühns et al. (2008). In BG CP, yields were homogenous and there was no substantial difference in the variation of the CP content between primary transformants (T0), clones of T0 individuals, T1 siblings and F1 siblings of hybrids. Therefore, BG meets the requirements for establishing a master seed bank for continuous and reliable CP-production. In addition, it was shown that the polymer is not only stable in planta but also during silage, which simplifies storage of the harvest prior to isolation of CP.
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Affiliation(s)
- Henrik Nausch
- University of Rostock, Faculty of Agricultural and Environmental Sciences, Department of Agrobiotechnology and Risk Assessment for Bio- und Gene Technology, Justus-von-Liebig Weg 8, Mecklenburg-Western Pomerania, 18059, Rostock, Germany.
| | - Tina Hausmann
- University of Rostock, Faculty of Agricultural and Environmental Sciences, Department of Agrobiotechnology and Risk Assessment for Bio- und Gene Technology, Justus-von-Liebig Weg 8, Mecklenburg-Western Pomerania, 18059, Rostock, Germany
| | - Daniel Ponndorf
- University of Rostock, Faculty of Agricultural and Environmental Sciences, Department of Agrobiotechnology and Risk Assessment for Bio- und Gene Technology, Justus-von-Liebig Weg 8, Mecklenburg-Western Pomerania, 18059, Rostock, Germany
| | - Maja Hühns
- University of Rostock, Faculty of Agricultural and Environmental Sciences, Department of Agrobiotechnology and Risk Assessment for Bio- und Gene Technology, Justus-von-Liebig Weg 8, Mecklenburg-Western Pomerania, 18059, Rostock, Germany
| | - Sandra Hoedtke
- University of Rostock, Faculty of Agricultural and Environmental Sciences, Department of Nutrition Physiology and Animal Nutrition, Justus-von-Liebig-Weg 6b, Mecklenburg-Western Pomerania, 18059, Rostock, Germany
| | - Petra Wolf
- University of Rostock, Faculty of Agricultural and Environmental Sciences, Department of Nutrition Physiology and Animal Nutrition, Justus-von-Liebig-Weg 6b, Mecklenburg-Western Pomerania, 18059, Rostock, Germany
| | - Annette Zeyner
- Martin-Luther-University Halle-Wittenberg, Institute for Agricultural and Nutritional Sciences, Chair of Animal Nutrition, Theodor-Lieser-Str. 11, 06120, Halle (Saale), Germany
| | - Inge Broer
- University of Rostock, Faculty of Agricultural and Environmental Sciences, Department of Agrobiotechnology and Risk Assessment for Bio- und Gene Technology, Justus-von-Liebig Weg 8, Mecklenburg-Western Pomerania, 18059, Rostock, Germany
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17
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Kagale S, Nixon J, Khedikar Y, Pasha A, Provart NJ, Clarke WE, Bollina V, Robinson SJ, Coutu C, Hegedus DD, Sharpe AG, Parkin IAP. The developmental transcriptome atlas of the biofuel crop Camelina sativa. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2016; 88:879-894. [PMID: 27513981 DOI: 10.1111/tpj.13302] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2015] [Revised: 08/01/2016] [Accepted: 08/04/2016] [Indexed: 05/17/2023]
Abstract
Camelina sativa is currently being embraced as a viable industrial bio-platform crop due to a number of desirable agronomic attributes and the unique fatty acid profile of the seed oil that has applications for food, feed and biofuel. The recent completion of the reference genome sequence of C. sativa identified a young hexaploid genome. To complement this work, we have generated a genome-wide developmental transcriptome map by RNA sequencing of 12 different tissues covering major developmental stages during the life cycle of C. sativa. We have generated a digital atlas of this comprehensive transcriptome resource that enables interactive visualization of expression data through a searchable database of electronic fluorescent pictographs (eFP browser). An analysis of this dataset supported expression of 88% of the annotated genes in C. sativa and provided a global overview of the complex architecture of temporal and spatial gene expression patterns active during development. Conventional differential gene expression analysis combined with weighted gene expression network analysis uncovered similarities as well as differences in gene expression patterns between different tissues and identified tissue-specific genes and network modules. A high-quality census of transcription factors, analysis of alternative splicing and tissue-specific genome dominance provided insight into the transcriptional dynamics and sub-genome interplay among the well-preserved triplicated repertoire of homeologous loci. The comprehensive transcriptome atlas in combination with the reference genome sequence provides a powerful resource for genomics research which can be leveraged to identify functional associations between genes and understand the regulatory networks underlying developmental processes.
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Affiliation(s)
- Sateesh Kagale
- Agriculture and Agri-Food Canada, 107 Science Place, Saskatoon, SK, Canada
- National Research Council Canada, 110 Gymnasium Place, Saskatoon, SK, Canada
| | - John Nixon
- Agriculture and Agri-Food Canada, 107 Science Place, Saskatoon, SK, Canada
| | - Yogendra Khedikar
- Agriculture and Agri-Food Canada, 107 Science Place, Saskatoon, SK, Canada
| | - Asher Pasha
- Department of Cell and Systems Biology, University of Toronto, Toronto, ON, Canada
| | - Nicholas J Provart
- Department of Cell and Systems Biology, University of Toronto, Toronto, ON, Canada
| | - Wayne E Clarke
- Agriculture and Agri-Food Canada, 107 Science Place, Saskatoon, SK, Canada
| | - Venkatesh Bollina
- Agriculture and Agri-Food Canada, 107 Science Place, Saskatoon, SK, Canada
| | - Stephen J Robinson
- Agriculture and Agri-Food Canada, 107 Science Place, Saskatoon, SK, Canada
| | - Cathy Coutu
- Agriculture and Agri-Food Canada, 107 Science Place, Saskatoon, SK, Canada
| | - Dwayne D Hegedus
- Agriculture and Agri-Food Canada, 107 Science Place, Saskatoon, SK, Canada
| | - Andrew G Sharpe
- National Research Council Canada, 110 Gymnasium Place, Saskatoon, SK, Canada
| | - Isobel A P Parkin
- Agriculture and Agri-Food Canada, 107 Science Place, Saskatoon, SK, Canada
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18
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Bansal S, Durrett TP. Camelina sativa: An ideal platform for the metabolic engineering and field production of industrial lipids. Biochimie 2016; 120:9-16. [DOI: 10.1016/j.biochi.2015.06.009] [Citation(s) in RCA: 71] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2015] [Accepted: 06/13/2015] [Indexed: 12/27/2022]
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19
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Parveez GKA, Bahariah B, Ayub NH, Masani MYA, Rasid OA, Tarmizi AH, Ishak Z. Production of polyhydroxybutyrate in oil palm (Elaeis guineensis Jacq.) mediated by microprojectile bombardment of PHB biosynthesis genes into embryogenic calli. FRONTIERS IN PLANT SCIENCE 2015; 6:598. [PMID: 26322053 PMCID: PMC4531230 DOI: 10.3389/fpls.2015.00598] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2015] [Accepted: 07/20/2015] [Indexed: 05/22/2023]
Abstract
Biodegradable plastics, mainly polyhydroxybutyrate (PHB), which are traditionally produced by bacterial cells, have been produced in the cells of more than 15 plant species. Since the production of biodegradable plastics and the synthesis of oil in plants share the same substrate, acetyl-coenzyme A (acetyl-CoA), producing PHB in oil bearing crops, such as oil palm, will be advantageous. In this study, three bacterial genes, bktB, phaB, and phaC, which are required for the synthesis of PHB and selectable marker gene, bar, for herbicide Basta resistant, were transformed into embryogenic calli. A number of transformed embryogenic lines resistant to herbicide Basta were obtained and were later regenerated to produce few hundred plantlets. Molecular analyses, including polymerase chain reaction (PCR), Southern blot, and real-time PCR have demonstrated stable integration and expression of the transgenes in the oil palm genome. HPLC and Nile blue A staining analyses confirmed the synthesis of PHB in some of the plantlets.
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20
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Alvarez S, Roy Choudhury S, Sivagnanam K, Hicks LM, Pandey S. Quantitative Proteomics Analysis of Camelina sativa Seeds Overexpressing the AGG3 Gene to Identify the Proteomic Basis of Increased Yield and Stress Tolerance. J Proteome Res 2015; 14:2606-16. [DOI: 10.1021/acs.jproteome.5b00150] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Sophie Alvarez
- Donald Danforth Plant Science Center, 975 North Warson Road, St. Louis, Missouri 63132, United States
| | - Swarup Roy Choudhury
- Donald Danforth Plant Science Center, 975 North Warson Road, St. Louis, Missouri 63132, United States
| | - Kumaran Sivagnanam
- Department
of Chemistry, University of North Carolina, Chapel Hill, North Carolina 27599, United States
| | - Leslie M. Hicks
- Department
of Chemistry, University of North Carolina, Chapel Hill, North Carolina 27599, United States
| | - Sona Pandey
- Donald Danforth Plant Science Center, 975 North Warson Road, St. Louis, Missouri 63132, United States
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