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Chincinska IA, Miklaszewska M, Sołtys-Kalina D. Recent advances and challenges in potato improvement using CRISPR/Cas genome editing. PLANTA 2022; 257:25. [PMID: 36562862 PMCID: PMC9789015 DOI: 10.1007/s00425-022-04054-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/10/2022] [Accepted: 12/11/2022] [Indexed: 06/17/2023]
Abstract
Genome editing using CRISPR/Cas technology improves the quality of potato as a food crop and enables its use as both a model plant in fundamental research and as a potential biofactory for producing valuable compounds for industrial applications. Potato (Solanum tuberosum L.) plays a significant role in ensuring global food and nutritional security. Tuber yield is negatively affected by biotic and abiotic stresses, and enzymatic browning and cold-induced sweetening significantly contribute to post-harvest quality losses. With the dual challenges of a growing population and a changing climate, potato enhancement is essential for its sustainable production. However, due to several characteristics of potato, including high levels of heterozygosity, tetrasomic inheritance, inbreeding depression, and self-incompatibility of diploid potato, conventional breeding practices are insufficient to achieve substantial trait improvement in tetraploid potato cultivars within a relatively short time. CRISPR/Cas-mediated genome editing has opened new possibilities to develop novel potato varieties with high commercialization potential. In this review, we summarize recent developments in optimizing CRISPR/Cas-based methods for potato genome editing, focusing on approaches addressing the challenging biology of this species. We also discuss the feasibility of obtaining transgene-free genome-edited potato varieties and explore different strategies to improve potato stress resistance, nutritional value, starch composition, and storage and processing characteristics. Altogether, this review provides insight into recent advances, possible bottlenecks, and future research directions in potato genome editing using CRISPR/Cas technology.
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Affiliation(s)
- Izabela Anna Chincinska
- Department of Plant Physiology and Biotechnology, University of Gdańsk, Wita Stwosza 59, 80-308, Gdańsk, Poland.
| | - Magdalena Miklaszewska
- Department of Functional and Evolutionary Ecology, Division of Molecular Systems Biology (MOSYS), Faculty of Life Sciences, University of Vienna, Djerassiplatz 1, 1030, Vienna, Austria
| | - Dorota Sołtys-Kalina
- Plant Breeding and Acclimatization Institute-National Research Institute, Platanowa 19, 05-831, Młochów, Poland
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2
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Kolenčík M, Ernst D, Komár M, Urík M, Šebesta M, Ďurišová Ľ, Bujdoš M, Černý I, Chlpík J, Juriga M, Illa R, Qian Y, Feng H, Kratošová G, Barabaszová KČ, Ducsay L, Aydın E. Effects of Foliar Application of ZnO Nanoparticles on Lentil Production, Stress Level and Nutritional Seed Quality under Field Conditions. NANOMATERIALS 2022; 12:nano12030310. [PMID: 35159655 PMCID: PMC8837920 DOI: 10.3390/nano12030310] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Revised: 01/10/2022] [Accepted: 01/14/2022] [Indexed: 02/06/2023]
Abstract
Nanotechnology offers new opportunities for the development of novel materials and strategies that improve technology and industry. This applies especially to agriculture, and our previous field studies have indicated that zinc oxide nanoparticles provide promising nano-fertilizer dispersion in sustainable agriculture. However, little is known about the precise ZnO-NP effects on legumes. Herein, 1 mg·L−1 ZnO-NP spray was dispersed on lentil plants to establish the direct NP effects on lentil production, seed nutritional quality, and stress response under field conditions. Although ZnO-NP exposure positively affected yield, thousand-seed weight and the number of pods per plant, there was no statistically significant difference in nutrient and anti-nutrient content in treated and untreated plant seeds. In contrast, the lentil water stress level was affected, and the stress response resulted in statistically significant changes in stomatal conductance, crop water stress index, and plant temperature. Foliar application of low ZnO-NP concentrations therefore proved promising in increasing crop production under field conditions, and this confirms ZnO-NP use as a viable strategy for sustainable agriculture.
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Affiliation(s)
- Marek Kolenčík
- Institute of Agronomic Sciences, Faculty of Agrobiology and Food Resources, Slovak University of Agriculture in Nitra, Tr. A. Hlinku 2, 949 76 Nitra, Slovakia; (M.K.); (I.Č.); (J.C.); (M.J.); (L.D.)
- Correspondence: (M.K.); (D.E.)
| | - Dávid Ernst
- Institute of Agronomic Sciences, Faculty of Agrobiology and Food Resources, Slovak University of Agriculture in Nitra, Tr. A. Hlinku 2, 949 76 Nitra, Slovakia; (M.K.); (I.Č.); (J.C.); (M.J.); (L.D.)
- Correspondence: (M.K.); (D.E.)
| | - Matej Komár
- Institute of Agronomic Sciences, Faculty of Agrobiology and Food Resources, Slovak University of Agriculture in Nitra, Tr. A. Hlinku 2, 949 76 Nitra, Slovakia; (M.K.); (I.Č.); (J.C.); (M.J.); (L.D.)
| | - Martin Urík
- Institute of Laboratory Research on Geomaterials, Faculty of Natural Sciences, Comenius University in Bratislava, Mlynska Dolina, Ilkovičová 6, 842 15 Bratislava, Slovakia; (M.U.); (M.Š.); (M.B.)
| | - Martin Šebesta
- Institute of Laboratory Research on Geomaterials, Faculty of Natural Sciences, Comenius University in Bratislava, Mlynska Dolina, Ilkovičová 6, 842 15 Bratislava, Slovakia; (M.U.); (M.Š.); (M.B.)
| | - Ľuba Ďurišová
- Institute of Plant and Environmental Sciences, Faculty of Agrobiology and Food Resources, Slovak University of Agriculture in Nitra, Tr. A. Hlinku 2, 949 76 Nitra, Slovakia;
| | - Marek Bujdoš
- Institute of Laboratory Research on Geomaterials, Faculty of Natural Sciences, Comenius University in Bratislava, Mlynska Dolina, Ilkovičová 6, 842 15 Bratislava, Slovakia; (M.U.); (M.Š.); (M.B.)
| | - Ivan Černý
- Institute of Agronomic Sciences, Faculty of Agrobiology and Food Resources, Slovak University of Agriculture in Nitra, Tr. A. Hlinku 2, 949 76 Nitra, Slovakia; (M.K.); (I.Č.); (J.C.); (M.J.); (L.D.)
| | - Juraj Chlpík
- Institute of Agronomic Sciences, Faculty of Agrobiology and Food Resources, Slovak University of Agriculture in Nitra, Tr. A. Hlinku 2, 949 76 Nitra, Slovakia; (M.K.); (I.Č.); (J.C.); (M.J.); (L.D.)
| | - Martin Juriga
- Institute of Agronomic Sciences, Faculty of Agrobiology and Food Resources, Slovak University of Agriculture in Nitra, Tr. A. Hlinku 2, 949 76 Nitra, Slovakia; (M.K.); (I.Č.); (J.C.); (M.J.); (L.D.)
| | - Ramakanth Illa
- Department of Chemistry, Rajiv Gandhi University of Knowledge Technologies, AP IIIT, Krishna District, Nuzvid 521202, India;
| | - Yu Qian
- School of Ecology and Environmental Science, Yunnan University, 2 Cuihubei Lu, Kunming 650091, China;
| | - Huan Feng
- Department of Earth and Environmental Studies, Montclair State University, 1 Normal Ave, Montclair, NJ 070 43, USA;
| | - Gabriela Kratošová
- Nanotechnology Centre, CEET, VŠB Technical University of Ostrava, 17. listopadu 15/2172, 708 00 Ostrava-Poruba, Czech Republic; (G.K.); (K.Č.B.)
| | - Karla Čech Barabaszová
- Nanotechnology Centre, CEET, VŠB Technical University of Ostrava, 17. listopadu 15/2172, 708 00 Ostrava-Poruba, Czech Republic; (G.K.); (K.Č.B.)
| | - Ladislav Ducsay
- Institute of Agronomic Sciences, Faculty of Agrobiology and Food Resources, Slovak University of Agriculture in Nitra, Tr. A. Hlinku 2, 949 76 Nitra, Slovakia; (M.K.); (I.Č.); (J.C.); (M.J.); (L.D.)
| | - Elena Aydın
- Institute of Landscape Engineering, Faculty of Horticulture and Landscape Engineering, Slovak University of Agriculture in Nitra, Hospodárska 7, 949 76 Nitra, Slovakia;
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Singh B, Goutam U, Kukreja S, Sharma J, Sood S, Bhardwaj V. Potato biofortification: an effective way to fight global hidden hunger. PHYSIOLOGY AND MOLECULAR BIOLOGY OF PLANTS : AN INTERNATIONAL JOURNAL OF FUNCTIONAL PLANT BIOLOGY 2021; 27:2297-2313. [PMID: 34744367 PMCID: PMC8526655 DOI: 10.1007/s12298-021-01081-4] [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: 08/11/2021] [Revised: 09/16/2021] [Accepted: 09/22/2021] [Indexed: 06/03/2023]
Abstract
Hidden hunger is leading to extensive health problems in the developing world. Several strategies could be used to reduce the micronutrient deficiencies by increasing the dietary uptake of essential micronutrients. These include diet diversification, pharmaceutical supplementation, food fortification and crop biofortification. Among all, crop biofortification is the most sustainable and acceptable strategy to overcome the global issue of hidden hunger. Since most of the people suffering from micronutrient deficiencies, have monetary issues and are dependent on staple crops to fulfil their recommended daily requirements of various essential micronutrients. Therefore, increasing the micronutrient concentrations in cost effective staple crops seems to be an effective solution. Potato being the world's most consumed non-grain staple crop with enormous industrial demand appears to be an ideal candidate for biofortification. It can be grown in different climatic conditions, provide high yield, nutrition and dry matter in lesser time. In addition, huge potato germplasm have natural variations related to micronutrient concentrations, which can be utilized for its biofortification. This review discuss the current scenario of micronutrient malnutrition and various strategies that could be used to overcome it. The review also shed a light on the genetic variations present in potato germplasm and suggest effective ways to incorporate them into modern high yielding potato varieties.
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Affiliation(s)
- Baljeet Singh
- Division of Crop Improvement and Seed Technology, Central Potato Research Institute, Shimla, India
- School of Bioengineering and Biosciences, Lovely Professional University, Phagwara, India
| | - Umesh Goutam
- School of Bioengineering and Biosciences, Lovely Professional University, Phagwara, India
| | - Sarvjeet Kukreja
- Department of Agronomy, Lovely Professional University, Phagwara, India
| | - Jagdev Sharma
- Division of Crop Production, Central Potato Research Institute, Shimla, India
| | - Salej Sood
- Division of Crop Improvement and Seed Technology, Central Potato Research Institute, Shimla, India
| | - Vinay Bhardwaj
- Division of Crop Improvement and Seed Technology, Central Potato Research Institute, Shimla, India
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4
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Transgenic wheat with increased endosperm lipid – Impacts on grain composition and baking quality. J Cereal Sci 2021. [DOI: 10.1016/j.jcs.2021.103289] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Tsehay S, Ortiz R, Geleta M, Bekele E, Tesfaye K, Johansson E. Nutritional Profile of the Ethiopian Oilseed Crop Noug ( Guizotia abyssinica Cass.): Opportunities for Its Improvement as a Source for Human Nutrition. Foods 2021; 10:1778. [PMID: 34441555 PMCID: PMC8393925 DOI: 10.3390/foods10081778] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2021] [Revised: 07/28/2021] [Accepted: 07/29/2021] [Indexed: 11/17/2022] Open
Abstract
The aim of this study was to evaluate the potential of noug as a source for human nutrition. Diverse noug genotypes were evaluated for their content and/or composition of total lipids, fatty acids, proteins, and minerals using standard methods. The total lipid content (32.5-45.7%) and the proportion of an essential fatty acid, linoleic acid (72.2-77.8%), were high in noug, compared to other oilseed crops. The proportion of oleic acid, a monounsaturated fatty acid, was low in noug (5.2-9.2%). The breeding objective of increasing the oleic acid level in the highland, where noug is mainly cultivated, was limited, as the content of this acid was low in this environment. The seed protein concentration (25.4-27.5%) and mineral content were mainly affected by the cultivation environment, as the high temperature increased the amount of protein, whereas the soil condition was a major factor in the variation of the mineral content. Thus, noug is a unique crop with a high seed oil content, of which a high proportion is linoleic acid. With the exception of the seed oleic acid content, when grown in low-altitude areas, the genotypic variation contributes less than the cultivation environment to the nutritional attributes of noug. Hence, high-oleic-acid noug for lowland production can be targeted as a breeding goal.
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Affiliation(s)
- Sewalem Tsehay
- Department of Plant Breeding, Swedish University of Agricultural Sciences, P.O. Box 190, SE-23422 Lomma, Sweden; (S.T.); (R.O.); (E.J.)
| | - Rodomiro Ortiz
- Department of Plant Breeding, Swedish University of Agricultural Sciences, P.O. Box 190, SE-23422 Lomma, Sweden; (S.T.); (R.O.); (E.J.)
| | - Mulatu Geleta
- Department of Plant Breeding, Swedish University of Agricultural Sciences, P.O. Box 190, SE-23422 Lomma, Sweden; (S.T.); (R.O.); (E.J.)
| | - Endashaw Bekele
- Department of Microbial, Cellular and Molecular Biology, Addis Ababa University, Addis Ababa P.O. Box 1176, Ethiopia; (E.B.); (K.T.)
| | - Kassahun Tesfaye
- Department of Microbial, Cellular and Molecular Biology, Addis Ababa University, Addis Ababa P.O. Box 1176, Ethiopia; (E.B.); (K.T.)
| | - Eva Johansson
- Department of Plant Breeding, Swedish University of Agricultural Sciences, P.O. Box 190, SE-23422 Lomma, Sweden; (S.T.); (R.O.); (E.J.)
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Mitchell MC, Pritchard J, Okada S, Zhang J, Venables I, Vanhercke T, Ral J. Increasing growth and yield by altering carbon metabolism in a transgenic leaf oil crop. PLANT BIOTECHNOLOGY JOURNAL 2020; 18:2042-2052. [PMID: 32069385 PMCID: PMC7539989 DOI: 10.1111/pbi.13363] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2019] [Accepted: 02/11/2020] [Indexed: 05/14/2023]
Abstract
Engineering high biomass plants that produce oil (triacylglycerol or TAG) in vegetative rather than seed-related tissues could help meet our growing demand for plant oil. Several studies have already demonstrated the potential of this approach by creating transgenic crop and model plants that accumulate TAG in their leaves and stems. However, TAG synthesis may compete with other important carbon and energy reserves, including carbohydrate production, and thereby limit plant growth. The aims of this study were thus: first, to investigate the effect of TAG accumulation on growth and development of previously generated high leaf oil tobacco plants; and second, to increase plant growth and/or oil yields by further altering carbon fixation and partitioning. This study showed that TAG accumulation varied with leaf and plant developmental stage, affected leaf carbon and nitrogen partitioning and reduced the relative growth rate and final biomass of high leaf oil plants. To overcome these growth limitations, four genes related to carbon fixation (encoding CBB cycle enzymes SBPase and chloroplast-targeted FBPase) or carbon partitioning (encoding sucrose biosynthetic enzyme cytosolic FBPase and lipid-related transcription factor DOF4) were overexpressed in high leaf oil plants. In glasshouse conditions, all four constructs increased early growth without affecting TAG accumulation while chloroplast-targeted FBPase and DOF4 also increased final biomass and oil yields. These results highlight the reliance of plant growth on carbon partitioning, in addition to carbon supply, and will guide future attempts to improve biomass and TAG accumulation in transgenic leaf oil crops.
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Affiliation(s)
- Madeline C. Mitchell
- RMIT UniversityMelbourneVicAustralia
- Food Agility Cooperative Research CentreSydneyNSWAustralia
- Commonwealth Scientific and Industrial Research OrganisationCanberraACTAustralia
| | - Jenifer Pritchard
- Commonwealth Scientific and Industrial Research OrganisationCanberraACTAustralia
| | - Shoko Okada
- Commonwealth Scientific and Industrial Research OrganisationCanberraACTAustralia
| | - Jing Zhang
- Commonwealth Scientific and Industrial Research OrganisationCanberraACTAustralia
| | - Ingrid Venables
- Commonwealth Scientific and Industrial Research OrganisationCanberraACTAustralia
| | - Thomas Vanhercke
- Commonwealth Scientific and Industrial Research OrganisationCanberraACTAustralia
| | - Jean‐Philippe Ral
- Commonwealth Scientific and Industrial Research OrganisationCanberraACTAustralia
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Kolenčík M, Ernst D, Komár M, Urík M, Šebesta M, Dobročka E, Černý I, Illa R, Kanike R, Qian Y, Feng H, Orlová D, Kratošová G. Effect of Foliar Spray Application of Zinc Oxide Nanoparticles on Quantitative, Nutritional, and Physiological Parameters of Foxtail Millet ( Setaria italica L.) under Field Conditions. NANOMATERIALS (BASEL, SWITZERLAND) 2019; 9:E1559. [PMID: 31684189 PMCID: PMC6915511 DOI: 10.3390/nano9111559] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Revised: 10/30/2019] [Accepted: 11/01/2019] [Indexed: 11/17/2022]
Abstract
It has been shown that the foliar application of inorganic nano-materials on cereal plants during their growth cycle enhances the rate of plant productivity by providing a micro-nutrient source. We therefore studied the effects of foliarly applied ZnO nanoparticles (ZnO NPs) on Setaria italica L. foxtail millet's quantitative, nutritional, and physiological parameters. Scanning electron microscopy showed that the ZnO NPs have an average particle size under 20 nm and dominant spherically shaped morphology. Energy dispersive X-ray spectrometry then confirmed ZnO NP homogeneity, and X-ray diffraction verified their high crystalline and wurtzite-structure symmetry. Although plant height, thousand grain weight, and grain yield quantitative parameters did not differ statistically between ZnO NP-treated and untreated plants, the ZnO NP-treated plant grains had significantly higher oil and total nitrogen contents and significantly lower crop water stress index (CWSI). This highlights that the slow-releasing nano-fertilizer improves plant physiological properties and various grain nutritional parameters, and its application is therefore especially beneficial for progressive nanomaterial-based industries.
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Affiliation(s)
- Marek Kolenčík
- Department of Soil Science and Geology, Faculty of Agrobiology and Food Resources, Slovak University of Agriculture in Nitra, Tr. A. Hlinku 2, 949 76 Nitra, Slovakia.
- Nanotechnology Centre, VŠB Technical University of Ostrava, 17. listopadu 15/2172, 708 00 Ostrava-Poruba, Czech Republic.
| | - Dávid Ernst
- Department of Crop Production and Grassland Ecosystems, Faculty of Agrobiology and Food Resources, Slovak University of Agriculture in Nitra, Tr. A. Hlinku 2, 949 76 Nitra, Slovakia.
| | - Matej Komár
- Department of Crop Production and Grassland Ecosystems, Faculty of Agrobiology and Food Resources, Slovak University of Agriculture in Nitra, Tr. A. Hlinku 2, 949 76 Nitra, Slovakia.
| | - Martin Urík
- Institute of Laboratory Research on Geomaterials, Faculty of Natural Sciences, Comenius University in Bratislava, Ilkovičova 3278/6, 841 04 Karlova Ves, Bratislava, Slovakia.
| | - Martin Šebesta
- Institute of Laboratory Research on Geomaterials, Faculty of Natural Sciences, Comenius University in Bratislava, Ilkovičova 3278/6, 841 04 Karlova Ves, Bratislava, Slovakia.
| | - Edmud Dobročka
- Institute of Electrical Engineering, Slovak Academy of Sciences, Dúbravská cesta 9, 841 04 Bratislava, Slovakia.
| | - Ivan Černý
- Department of Crop Production and Grassland Ecosystems, Faculty of Agrobiology and Food Resources, Slovak University of Agriculture in Nitra, Tr. A. Hlinku 2, 949 76 Nitra, Slovakia.
| | - Ramakanth Illa
- Department of Chemistry, Rajiv Gandhi University of Knowledge Technologies, AP IIIT, Nuzvid, Krishna District 521202, India.
| | - Raghavendra Kanike
- Department of Biosciences, Rajiv Gandhi University of Knowledge Technologies, AP IIIT, Nuzvid, Krishna District 521202, India.
| | - Yu Qian
- School of Ecology and Environmental Science, Yunnan University, 2 Cuihubei Lu, Kunming 650 091, Yunnan, China.
| | - Huan Feng
- Department of Earth and Environmental Studies, Montclair State University, 1 Normal Ave, Montclair, NJ 070 43, USA.
| | - Denisa Orlová
- Nanotechnology Centre, VŠB Technical University of Ostrava, 17. listopadu 15/2172, 708 00 Ostrava-Poruba, Czech Republic.
| | - Gabriela Kratošová
- Nanotechnology Centre, VŠB Technical University of Ostrava, 17. listopadu 15/2172, 708 00 Ostrava-Poruba, Czech Republic.
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Vanhercke T, Belide S, Taylor MC, El Tahchy A, Okada S, Rolland V, Liu Q, Mitchell M, Shrestha P, Venables I, Ma L, Blundell C, Mathew A, Ziolkowski L, Niesner N, Hussain D, Dong B, Liu G, Godwin ID, Lee J, Rug M, Zhou X, Singh SP, Petrie JR. Up-regulation of lipid biosynthesis increases the oil content in leaves of Sorghum bicolor. PLANT BIOTECHNOLOGY JOURNAL 2019; 17:220-232. [PMID: 29873878 PMCID: PMC6330533 DOI: 10.1111/pbi.12959] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2018] [Revised: 05/23/2018] [Accepted: 05/30/2018] [Indexed: 05/07/2023]
Abstract
Synthesis and accumulation of the storage lipid triacylglycerol in vegetative plant tissues has emerged as a promising strategy to meet the world's future need for vegetable oil. Sorghum (Sorghum bicolor) is a particularly attractive target crop given its high biomass, drought resistance and C4 photosynthesis. While oilseed-like triacylglycerol levels have been engineered in the C3 model plant tobacco, progress in C4 monocot crops has been lagging behind. In this study, we report the accumulation of triacylglycerol in sorghum leaf tissues to levels between 3 and 8.4% on a dry weight basis depending on leaf and plant developmental stage. This was achieved by the combined overexpression of genes encoding the Zea mays WRI1 transcription factor, Umbelopsis ramanniana UrDGAT2a acyltransferase and Sesamum indicum Oleosin-L oil body protein. Increased oil content was visible as lipid droplets, primarily in the leaf mesophyll cells. A comparison between a constitutive and mesophyll-specific promoter driving WRI1 expression revealed distinct changes in the overall leaf lipidome as well as transitory starch and soluble sugar levels. Metabolome profiling uncovered changes in the abundance of various amino acids and dicarboxylic acids. The results presented here are a first step forward towards the development of sorghum as a dedicated biomass oil crop and provide a basis for further combinatorial metabolic engineering.
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Affiliation(s)
| | | | | | | | | | | | - Qing Liu
- CSIRO Agriculture and FoodCanberraACTAustralia
| | | | | | | | - Lina Ma
- CSIRO Agriculture and FoodCanberraACTAustralia
| | | | - Anu Mathew
- CSIRO Agriculture and FoodCanberraACTAustralia
| | | | | | | | - Bei Dong
- CSIRO Agriculture and FoodCanberraACTAustralia
| | - Guoquan Liu
- School of Agriculture and Food SciencesUniversity of QueenslandBrisbaneQLDAustralia
| | - Ian D. Godwin
- School of Agriculture and Food SciencesUniversity of QueenslandBrisbaneQLDAustralia
| | - Jiwon Lee
- Centre for Advanced MicroscopyAustralian National UniversityCanberraACTAustralia
| | - Melanie Rug
- Centre for Advanced MicroscopyAustralian National UniversityCanberraACTAustralia
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Xu X, Vanhercke T, Shrestha P, Luo J, Akbar S, Konik-Rose C, Venugoban L, Hussain D, Tian L, Singh S, Li Z, Sharp PJ, Liu Q. Upregulated Lipid Biosynthesis at the Expense of Starch Production in Potato ( Solanum tuberosum) Vegetative Tissues via Simultaneous Downregulation of ADP-Glucose Pyrophosphorylase and Sugar Dependent1 Expressions. FRONTIERS IN PLANT SCIENCE 2019; 10:1444. [PMID: 31781148 PMCID: PMC6861213 DOI: 10.3389/fpls.2019.01444] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Accepted: 10/17/2019] [Indexed: 05/05/2023]
Abstract
Triacylglycerol is a major component of vegetable oil in seeds and fruits of many plants, but its production in vegetative tissues is rather limited. It would be intriguing and important to explore any possibility to expand current oil production platforms, for example from the plant vegetative tissues. By expressing a suite of transgenes involved in the triacylglycerol biosynthesis, we have previously observed substantial accumulation of triacylglycerol in tobacco (Nicotiana tabacum) leaf and potato (Solanum tuberosum) tuber. In this study, simultaneous RNA interference (RNAi) downregulation of ADP-glucose pyrophosphorylase (AGPase) and Sugar-dependent1 (SDP1), was able to increase the accumulation of triacylglycerol and other lipids in both wild type potato and the previously generated high oil potato line 69. Particularly, a 16-fold enhancement of triacylglycerol production was observed in the mature transgenic tubers derived from the wild type potato, and a two-fold increase in triacylglycerol was observed in the high oil potato line 69, accounting for about 7% of tuber dry weight, which is the highest triacylglycerol accumulation ever reported in potato. In addition to the alterations of lipid content and fatty acid composition, sugar accumulation, starch content of the RNAi potato lines in both tuber and leaf tissues were also substantially changed, as well as the tuber starch properties. Microscopic analysis further revealed variation of lipid droplet distribution and starch granule morphology in the mature transgenic tubers compared to their parent lines. This study reflects that the carbon partitioning between lipid and starch in both leaves and non-photosynthetic tuber tissues, respectively, are highly orchestrated in potato, and it is promising to convert low-energy starch to storage lipids via genetic manipulation of the carbon metabolism pathways.
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Affiliation(s)
- Xiaoyu Xu
- Research Program of Traits, CSIRO Agriculture and Food, Canberra, ACT, Australia
- Plant Breeding Institute and Sydney Institute of Agriculture, School of Life and Environmental Sciences, The University of Sydney, Sydney, NSW, Australia
| | - Thomas Vanhercke
- Research Program of Traits, CSIRO Agriculture and Food, Canberra, ACT, Australia
| | - Pushkar Shrestha
- Research Program of Traits, CSIRO Agriculture and Food, Canberra, ACT, Australia
| | - Jixun Luo
- Research Program of Traits, CSIRO Agriculture and Food, Canberra, ACT, Australia
| | - Sehrish Akbar
- Research Program of Traits, CSIRO Agriculture and Food, Canberra, ACT, Australia
| | - Christine Konik-Rose
- Research Program of Traits, CSIRO Agriculture and Food, Canberra, ACT, Australia
| | - Lauren Venugoban
- Research Program of Traits, CSIRO Agriculture and Food, Canberra, ACT, Australia
| | - Dawar Hussain
- Research Program of Traits, CSIRO Agriculture and Food, Canberra, ACT, Australia
| | - Lijun Tian
- Research Program of Traits, CSIRO Agriculture and Food, Canberra, ACT, Australia
| | - Surinder Singh
- Research Program of Traits, CSIRO Agriculture and Food, Canberra, ACT, Australia
| | - Zhongyi Li
- Research Program of Traits, CSIRO Agriculture and Food, Canberra, ACT, Australia
- *Correspondence: Zhongyi Li, ; Peter J. Sharp, ; Qing Liu,
| | - Peter J. Sharp
- Plant Breeding Institute and Sydney Institute of Agriculture, School of Life and Environmental Sciences, The University of Sydney, Sydney, NSW, Australia
- *Correspondence: Zhongyi Li, ; Peter J. Sharp, ; Qing Liu,
| | - Qing Liu
- Research Program of Traits, CSIRO Agriculture and Food, Canberra, ACT, Australia
- *Correspondence: Zhongyi Li, ; Peter J. Sharp, ; Qing Liu,
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Pouvreau B, Vanhercke T, Singh S. From plant metabolic engineering to plant synthetic biology: The evolution of the design/build/test/learn cycle. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2018; 273:3-12. [PMID: 29907306 DOI: 10.1016/j.plantsci.2018.03.035] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/11/2017] [Revised: 02/19/2018] [Accepted: 03/28/2018] [Indexed: 05/21/2023]
Abstract
Genetic improvement of crops started since the dawn of agriculture and has continuously evolved in parallel with emerging technological innovations. The use of genome engineering in crop improvement has already revolutionised modern agriculture in less than thirty years. Plant metabolic engineering is still at a development stage and faces several challenges, in particular with the time necessary to develop plant based solutions to bio-industrial demands. However the recent success of several metabolic engineering approaches applied to major crops are encouraging and the emerging field of plant synthetic biology offers new opportunities. Some pioneering studies have demonstrated that synthetic genetic circuits or orthogonal metabolic pathways can be introduced into plants to achieve a desired function. The combination of metabolic engineering and synthetic biology is expected to significantly accelerate crop improvement. A defining aspect of both fields is the design/build/test/learn cycle, or the use of iterative rounds of testing modifications to refine hypotheses and develop best solutions. Several technological and technical improvements are now available to make a better use of each design, build, test, and learn components of the cycle. All these advances should facilitate the rapid development of a wide variety of bio-products for a world in need of sustainable solutions.
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Affiliation(s)
- Benjamin Pouvreau
- CSIRO Agriculture and Food, PO Box 1600, Canberra, ACT 2601, Australia.
| | - Thomas Vanhercke
- CSIRO Agriculture and Food, PO Box 1600, Canberra, ACT 2601, Australia
| | - Surinder Singh
- CSIRO Agriculture and Food, PO Box 1600, Canberra, ACT 2601, Australia
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Hameed A, Zaidi SSEA, Shakir S, Mansoor S. Applications of New Breeding Technologies for Potato Improvement. FRONTIERS IN PLANT SCIENCE 2018; 9:925. [PMID: 30008733 PMCID: PMC6034203 DOI: 10.3389/fpls.2018.00925] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2017] [Accepted: 06/11/2018] [Indexed: 05/17/2023]
Abstract
The first decade of genetic engineering primarily focused on quantitative crop improvement. With the advances in technology, the focus of agricultural biotechnology has shifted toward both quantitative and qualitative crop improvement, to deal with the challenges of food security and nutrition. Potato (Solanum tuberosum L.) is a solanaceous food crop having potential to feed the populating world. It can provide more carbohydrates, proteins, minerals, and vitamins per unit area of land as compared to other potential food crops, and is the major staple food in many developing countries. These aspects have driven the scientific attention to engineer potato for nutrition improvement, keeping the yield unaffected. Several studies have shown the improved nutritional value of potato tubers, for example by enhancing Amaranth Albumin-1 seed protein content, vitamin C content, β-carotene level, triacylglycerol, tuber methionine content, and amylose content, etc. Removal of anti-nutritional compounds like steroidal glycoalkaloids, acrylamide and food toxins is another research priority for scientists and breeders to improve potato tuber quality. Trait improvement using genetic engineering mostly involved the generation of transgenic products. The commercialization of these engineered products has been a challenge due to consumer preference and regulatory/ethical restrictions. In this context, new breeding technolgies like TALEN (transcription activator-like effector nucleases) and CRISPR/Cas9 (clustered regularly interspaced palindromic repeats/CRISPR-associated 9) have been employed to generate transgene-free products in a more precise, prompt and effective way. Moreover, the availability of potato genome sequence and efficient potato transformation systems have remarkably facilitated potato genetic engineering. Here we summarize the potato trait improvement and potential application of new breeding technologies (NBTs) to genetically improve the overall agronomic profile of potato.
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Affiliation(s)
- Amir Hameed
- Department of Bioinformatics and Biotechnology, Government College University, Faisalabad, Pakistan
| | - Syed Shan-e-Ali Zaidi
- Agricultural Biotechnology Division, National Institute for Biotechnology and Genetic Engineering, Faisalabad, Pakistan
| | - Sara Shakir
- Agricultural Biotechnology Division, National Institute for Biotechnology and Genetic Engineering, Faisalabad, Pakistan
| | - Shahid Mansoor
- Agricultural Biotechnology Division, National Institute for Biotechnology and Genetic Engineering, Faisalabad, Pakistan
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