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Wu X, Xie L, Sun X, Wang N, Finnegan EJ, Helliwell C, Yao J, Zhang H, Wu X, Hands P, Lu F, Ma L, Zhou B, Chaudhury A, Cao X, Luo M. Mutation in Polycomb repressive complex 2 gene OsFIE2 promotes asexual embryo formation in rice. NATURE PLANTS 2023; 9:1848-1861. [PMID: 37814022 PMCID: PMC10654051 DOI: 10.1038/s41477-023-01536-4] [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: 11/16/2021] [Accepted: 09/06/2023] [Indexed: 10/11/2023]
Abstract
Prevention of autonomous division of the egg apparatus and central cell in a female gametophyte before fertilization ensures successful reproduction in flowering plants. Here we show that rice ovules of Polycomb repressive complex 2 (PRC2) Osfie1 and Osfie2 double mutants exhibit asexual embryo and autonomous endosperm formation at a high frequency, while ovules of single Osfie2 mutants display asexual pre-embryo-like structures at a lower frequency without fertilization. Earlier onset, higher penetrance and better development of asexual embryos in the double mutants compared with those in Osfie2 suggest that the autonomous endosperm facilitated asexual embryo development. Transcriptomic analysis showed that male genome-expressed OsBBM1 and OsWOX8/9 were activated in the asexual embryos. Similarly, the maternal alleles of the paternally expressed imprinted genes were activated in the autonomous endosperm, suggesting that the egg apparatus and central cell convergently adopt PRC2 to maintain the non-dividing state before fertilization, possibly through silencing of the maternal alleles of male genome-expressed genes.
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Affiliation(s)
- Xiaoba Wu
- CSIRO Agriculture and Food, Canberra, Australian Capital Territory, Australia.
| | - Liqiong Xie
- Xinjiang Key Laboratory of Biological Resources and Genetic Engineering, School of Life Science and Technology, Xinjiang University, Urumqi, P. R. China
| | - Xizhe Sun
- The State Key Laboratory of North China Crop Improvement and Regulation, College of Horticulture, Hebei Agricultural University, Baoding, P. R. China
- Division of Plant Science, Research School of Biology, the Australian National University, Canberra, Australian Capital Territory, Australia
| | - Ningning Wang
- Faculty of Agronomy, Jilin Agricultural University, Changchun, P. R. China
| | - E Jean Finnegan
- CSIRO Agriculture and Food, Canberra, Australian Capital Territory, Australia
| | - Chris Helliwell
- CSIRO Agriculture and Food, Canberra, Australian Capital Territory, Australia
| | - Jialing Yao
- College of Life Science and Technology, Huazhong Agricultural University, Wuhan, P. R. China
| | - Hongyu Zhang
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Rice Research Institute, Sichuan Agricultural University, Chengdu, P. R. China
| | - Xianjun Wu
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Rice Research Institute, Sichuan Agricultural University, Chengdu, P. R. China
| | - Phil Hands
- CSIRO Agriculture and Food, Canberra, Australian Capital Territory, Australia
| | - Falong Lu
- State Key Laboratory of Molecular Developmental Biology, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, P. R. China
- University of Chinese Academy of Sciences, Beijing, P. R. China
| | - Lisong Ma
- The State Key Laboratory of North China Crop Improvement and Regulation, College of Horticulture, Hebei Agricultural University, Baoding, P. R. China
- Division of Plant Science, Research School of Biology, the Australian National University, Canberra, Australian Capital Territory, Australia
| | - Bing Zhou
- Institute of Zoology, Chinese Academy of Sciences, Beijing, P. R. China
| | - Abed Chaudhury
- Krishan Foundation Pty Ltd, Canberra, Australian Capital Territory, Australia
| | - Xiaofeng Cao
- University of Chinese Academy of Sciences, Beijing, P. R. China
- State Key Laboratory of Plant Genomics and National Center for Plant Gene Research, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, P. R. China
| | - Ming Luo
- CSIRO Agriculture and Food, Canberra, Australian Capital Territory, Australia.
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Zhou KD, Zhang CX, Niu FR, Bai HC, Wu DD, Deng JC, Qian HY, Jiang YL, Ma W. Exploring Plant Meiosis: Insights from the Kinetochore Perspective. Curr Issues Mol Biol 2023; 45:7974-7995. [PMID: 37886947 PMCID: PMC10605258 DOI: 10.3390/cimb45100504] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Revised: 09/12/2023] [Accepted: 09/20/2023] [Indexed: 10/28/2023] Open
Abstract
The central player for chromosome segregation in both mitosis and meiosis is the macromolecular kinetochore structure, which is assembled by >100 structural and regulatory proteins on centromere DNA. Kinetochores play a crucial role in cell division by connecting chromosomal DNA and microtubule polymers. This connection helps in the proper segregation and alignment of chromosomes. Additionally, kinetochores can act as a signaling hub, regulating the start of anaphase through the spindle assembly checkpoint, and controlling the movement of chromosomes during anaphase. However, the role of various kinetochore proteins in plant meiosis has only been recently elucidated, and these proteins differ in their functionality from those found in animals. In this review, our current knowledge of the functioning of plant kinetochore proteins in meiosis will be summarized. In addition, the functional similarities and differences of core kinetochore proteins in meiosis between plants and other species are discussed, and the potential applications of manipulating certain kinetochore genes in meiosis for breeding purposes are explored.
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Affiliation(s)
- Kang-Di Zhou
- Science Center for Future Foods, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China; (K.-D.Z.); (C.-X.Z.)
- School of Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China; (H.-C.B.); (J.-C.D.); (H.-Y.Q.); (Y.-L.J.)
| | - Cai-Xia Zhang
- Science Center for Future Foods, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China; (K.-D.Z.); (C.-X.Z.)
| | - Fu-Rong Niu
- College of Forestry, Gansu Agricultural University, Lanzhou 730070, China;
| | - Hao-Chen Bai
- School of Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China; (H.-C.B.); (J.-C.D.); (H.-Y.Q.); (Y.-L.J.)
| | - Dan-Dan Wu
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu 611130, China;
| | - Jia-Cheng Deng
- School of Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China; (H.-C.B.); (J.-C.D.); (H.-Y.Q.); (Y.-L.J.)
| | - Hong-Yuan Qian
- School of Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China; (H.-C.B.); (J.-C.D.); (H.-Y.Q.); (Y.-L.J.)
| | - Yun-Lei Jiang
- School of Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China; (H.-C.B.); (J.-C.D.); (H.-Y.Q.); (Y.-L.J.)
| | - Wei Ma
- Science Center for Future Foods, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China; (K.-D.Z.); (C.-X.Z.)
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Tang Q, Wang X, Jin X, Peng J, Zhang H, Wang Y. CRISPR/Cas Technology Revolutionizes Crop Breeding. PLANTS (BASEL, SWITZERLAND) 2023; 12:3119. [PMID: 37687368 PMCID: PMC10489799 DOI: 10.3390/plants12173119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/15/2023] [Revised: 08/24/2023] [Accepted: 08/27/2023] [Indexed: 09/10/2023]
Abstract
Crop breeding is an important global strategy to meet sustainable food demand. CRISPR/Cas is a most promising gene-editing technology for rapid and precise generation of novel germplasm and promoting the development of a series of new breeding techniques, which will certainly lead to the transformation of agricultural innovation. In this review, we summarize recent advances of CRISPR/Cas technology in gene function analyses and the generation of new germplasms with increased yield, improved product quality, and enhanced resistance to biotic and abiotic stress. We highlight their applications and breakthroughs in agriculture, including crop de novo domestication, decoupling the gene pleiotropy tradeoff, crop hybrid seed conventional production, hybrid rice asexual reproduction, and double haploid breeding; the continuous development and application of these technologies will undoubtedly usher in a new era for crop breeding. Moreover, the challenges and development of CRISPR/Cas technology in crops are also discussed.
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Affiliation(s)
- Qiaoling Tang
- National Nanfan Research Institute (Sanya), Chinese Academy of Agricultural Sciences, Sanya 572024, China;
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China;
| | - Xujing Wang
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China;
| | - Xi Jin
- Hebei Technology Innovation Center for Green Management of Soi-Borne Diseases, Baoding University, Baoding 071000, China;
| | - Jun Peng
- National Nanfan Research Institute (Sanya), Chinese Academy of Agricultural Sciences, Sanya 572024, China;
| | - Haiwen Zhang
- National Nanfan Research Institute (Sanya), Chinese Academy of Agricultural Sciences, Sanya 572024, China;
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China;
| | - Youhua Wang
- National Nanfan Research Institute (Sanya), Chinese Academy of Agricultural Sciences, Sanya 572024, China;
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China;
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Luo M, Wu X, Xie L, Sun X, Wang N, Finnegan J, Helliwell C, Yao J, Zhang H, Wu X, Lu F, Ma L, Zhou B, Chaudhury A, Cao X, Hands P. Polycomb Repressive Complex 2 (PRC2) suppresses asexual embryo and autonomous endosperm formation in rice.. [DOI: 10.21203/rs.3.rs-1087314/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/19/2023]
Abstract
Abstract
Prevention of autonomous division of the egg apparatus and central cell in a female gametophyte before fertilization ensures successful reproduction in flowering plants. Here we show that rice ovules with PRC2 Osfie1 and Osfie2 double mutations exhibit asexual embryo and autonomous endosperm formation at a high frequency, while ovules with a single Osfie2 mutation display asexual pre-embryo-like structures at a lower frequency without fertilization. Confocal microscopy images indicate that the asexual embryos were mainly derived from eggs in the double mutants, while the asexual pre-embryos likely originated from eggs or synergids. Early onsetting, higher penetrance and better development of asexual embryos in the double mutants compared with those in Osfie2 suggest that autonomous endosperm facilitated the asexual embryo development. Transcriptomic analysis showed pluripotency factors such as male genome expressed OsBBM1 and OsWOX8/9 were activated in the asexual embryos. Similarly, the maternal alleles of the paternally expressed imprinted genes were activated in the autonomous endosperm. Our results suggest that the egg apparatus and central cell convergently adopt PRC2 to suppresses asexual embryo and autonomous endosperm formation possibly through silencing male genome-expressed genes.
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Affiliation(s)
- Ming Luo
- CSIRO Agriculture and Food, Box 1700, ACT 2601, Australia
| | - Xiaoba Wu
- Institute of Botany, Chinese Academy of Sciences
| | - Liqiong Xie
- Xinjiang Key Laboratory of Biological Resources and Genetic Engineering, School of Life Science and Technology, Xinjiang University, Urumqi 830046, P. R. China
| | - Xizhe Sun
- Division of Plant Science, Research School of Biology, the Australian National University, ACT 2601, Australia
| | - Ningning Wang
- Faculty of agronomy, Jilin Agricultural University, Changchun, 130118, P.R. China
| | - Jean Finnegan
- CSIRO Agriculture and Food, Box 1700, ACT 2601, Australia
| | | | | | - Hongyu Zhang
- Sate Key Laboratory of Gene Discovery and Utilization, Rice Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu 611130, P. R. China
| | | | - Falong Lu
- Institute of Genetics and Developmental Biology, Chinese Academy of Sciences
| | - Lisong Ma
- Division of Plant Science, Research School of Biology, the Australian National University, ACT 2601, Australia
| | - Bing Zhou
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences; Beijing
| | | | - Xiaofeng Cao
- Institute of Genetics and Developmental Biology, Chinese Academy of Sciences
| | - Phil Hands
- CSIRO Agriculture and Food, Box 1700, ACT 2601, Australia
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Liu C, He Z, Zhang Y, Hu F, Li M, Liu Q, Huang Y, Wang J, Zhang W, Wang C, Wang K. Synthetic apomixis enables stable transgenerational transmission of heterotic phenotypes in hybrid rice. PLANT COMMUNICATIONS 2023; 4:100470. [PMID: 36325606 PMCID: PMC10030361 DOI: 10.1016/j.xplc.2022.100470] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Revised: 09/28/2022] [Accepted: 10/29/2022] [Indexed: 05/04/2023]
Abstract
In hybrid plants, heterosis often produces large, vigorous plants with high yields; however, hybrid seeds are generated by costly and laborious crosses of inbred parents. Apomixis, in which a plant produces a clone of itself via asexual reproduction through seeds, may produce another revolution in plant biology. Recently, synthetic apomixis enabled clonal reproduction of F1 hybrids through seeds in rice (Oryza sativa), but the inheritance of the synthetic apomixis trait and superior heterotic phenotypes across generations remained unclear. Here, we propagated clonal plants to the T4 generation and investigated their genetic and molecular stability at each generation. By analyzing agronomic traits, as well as the genome, methylome, transcriptome, and allele-specific transcriptome, we showed that the descendant clonal plants remained stable. Unexpectedly, in addition to normal clonal seeds, the plants also produced a few aneuploids that had eliminated large genomic segments in each generation. Despite the identification of rare aneuploids, the observation that the synthetic apomixis trait is stably transmitted through multiple generations helps confirm the feasibility of using apomixis in the future.
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Affiliation(s)
- Chaolei Liu
- State Key Laboratory of Rice Biology, China National Rice Research Institute, Hangzhou 310006, China
| | - Zexue He
- State Key Laboratory for Crop Genetics and Germplasm Enhancement, CIC-MCP, Nanjing Agriculture University, Nanjing, Jiangsu 210095, China
| | - Yan Zhang
- State Key Laboratory of Rice Biology, China National Rice Research Institute, Hangzhou 310006, China
| | - Fengyue Hu
- State Key Laboratory of Rice Biology, China National Rice Research Institute, Hangzhou 310006, China
| | - Mengqi Li
- State Key Laboratory for Crop Genetics and Germplasm Enhancement, CIC-MCP, Nanjing Agriculture University, Nanjing, Jiangsu 210095, China
| | - Qing Liu
- State Key Laboratory of Rice Biology, China National Rice Research Institute, Hangzhou 310006, China
| | - Yong Huang
- State Key Laboratory of Rice Biology, China National Rice Research Institute, Hangzhou 310006, China
| | - Jian Wang
- State Key Laboratory of Rice Biology, China National Rice Research Institute, Hangzhou 310006, China
| | - Wenli Zhang
- State Key Laboratory for Crop Genetics and Germplasm Enhancement, CIC-MCP, Nanjing Agriculture University, Nanjing, Jiangsu 210095, China.
| | - Chun Wang
- State Key Laboratory of Rice Biology, China National Rice Research Institute, Hangzhou 310006, China.
| | - Kejian Wang
- State Key Laboratory of Rice Biology, China National Rice Research Institute, Hangzhou 310006, China; Hainan Yazhou Bay Seed Lab, Sanya, Hainan 572025, China.
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6
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Synthetic apomixis: the beginning of a new era. Curr Opin Biotechnol 2023; 79:102877. [PMID: 36628906 DOI: 10.1016/j.copbio.2022.102877] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 11/24/2022] [Accepted: 12/05/2022] [Indexed: 01/11/2023]
Abstract
Apomixis is a process of asexual reproduction that enables plants to bypass meiosis and fertilization to generate clonal seeds that are identical to the maternal genotype. Apomixis has tremendous potential for breeding plants with desired characteristics, given its ability to fix any elite genotype. However, little is known about the origin and dynamics of natural apomictic plant systems. The introgression of apomixis-related genes from natural apomicts has achieved limited success. Therefore, synthetic apomixis, engineered to include apomeiosis, autonomous embryo formation, and autonomous endosperm development, has been proposed as a promising platform to effectuate apomixis in any crop. In this study, we have summarized recent advances in the understanding of synthetic apomixis and discussed the limitations of current synthetic apomixis systems and ways to overcome them.
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7
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Basu U, Riaz Ahmed S, Bhat BA, Anwar Z, Ali A, Ijaz A, Gulzar A, Bibi A, Tyagi A, Nebapure SM, Goud CA, Ahanger SA, Ali S, Mushtaq M. A CRISPR way for accelerating cereal crop improvement: Progress and challenges. Front Genet 2023; 13:866976. [PMID: 36685816 PMCID: PMC9852743 DOI: 10.3389/fgene.2022.866976] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Accepted: 11/21/2022] [Indexed: 01/09/2023] Open
Abstract
Humans rely heavily on cereal grains as a key source of nutrients, hence regular improvement of cereal crops is essential for ensuring food security. The current food crisis at the global level is due to the rising population and harsh climatic conditions which prompts scientists to develop smart resilient cereal crops to attain food security. Cereal crop improvement in the past generally depended on imprecise methods like random mutagenesis and conventional genetic recombination which results in high off targeting risks. In this context, we have witnessed the application of targeted mutagenesis using versatile CRISPR-Cas systems for cereal crop improvement in sustainable agriculture. Accelerated crop improvement using molecular breeding methods based on CRISPR-Cas genome editing (GE) is an unprecedented tool for plant biotechnology and agriculture. The last decade has shown the fidelity, accuracy, low levels of off-target effects, and the high efficacy of CRISPR technology to induce targeted mutagenesis for the improvement of cereal crops such as wheat, rice, maize, barley, and millets. Since the genomic databases of these cereal crops are available, several modifications using GE technologies have been performed to attain desirable results. This review provides a brief overview of GE technologies and includes an elaborate account of the mechanisms and applications of CRISPR-Cas editing systems to induce targeted mutagenesis in cereal crops for improving the desired traits. Further, we describe recent developments in CRISPR-Cas-based targeted mutagenesis through base editing and prime editing to develop resilient cereal crop plants, possibly providing new dimensions in the field of cereal crop genome editing.
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Affiliation(s)
- Umer Basu
- Division of Entomology, ICAR-Indian Agricultural Research Institute, New Delhi, India
| | - Syed Riaz Ahmed
- Nuclear Institute for Agriculture and Biology College, Pakistan Institute of Engineering and Applied Sciences (NIAB-C, PIEAS), Faisalabad, Pakistan
| | | | - Zunaira Anwar
- Nuclear Institute for Agriculture and Biology College, Pakistan Institute of Engineering and Applied Sciences (NIAB-C, PIEAS), Faisalabad, Pakistan
| | - Ahmad Ali
- National Key Laboratory of Crop Genetic Improvement, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Aqsa Ijaz
- Nuclear Institute for Agriculture and Biology College, Pakistan Institute of Engineering and Applied Sciences (NIAB-C, PIEAS), Faisalabad, Pakistan
| | - Addafar Gulzar
- Division of Plant Pathology, Faculty of Agriculture, Sher-e-Kashmir University of Agricultural Sciences and Technology of Kashmir, Wadura Sopore, India
| | - Amir Bibi
- Department of Plant Breeding and Genetics, Faculty of Agriculture Sciences, University of Agriculture Faisalabad, Faisalabad, Pakistan
| | - Anshika Tyagi
- Department of Biotechnology, Yeungnam University, Gyeongsan, South Korea
| | - Suresh M. Nebapure
- Division of Entomology, ICAR-Indian Agricultural Research Institute, New Delhi, India
| | - Chengeshpur Anjali Goud
- Institute of Biotechnology, Professor Jayashanker Telangana State Agriculture University, Hyderabad, India
| | - Shafat Ahmad Ahanger
- Division of Plant Pathology, Faculty of Agriculture, Sher-e-Kashmir University of Agricultural Sciences and Technology of Kashmir, Wadura Sopore, India,*Correspondence: Shafat Ahmad Ahanger, ; Sajad Ali, ; Muntazir Mushtaq,
| | - Sajad Ali
- Department of Biotechnology, Yeungnam University, Gyeongsan, South Korea,*Correspondence: Shafat Ahmad Ahanger, ; Sajad Ali, ; Muntazir Mushtaq,
| | - Muntazir Mushtaq
- ICAR-National Bureau of Plant Genetic Resources, Division of Germplasm Evaluation, Pusa Campus, New Delhi, India,*Correspondence: Shafat Ahmad Ahanger, ; Sajad Ali, ; Muntazir Mushtaq,
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Carballo J, Zappacosta D, Selva JP, Caccamo M, Echenique V. Eragrostis curvula, a Model Species for Diplosporous Apomixis. PLANTS (BASEL, SWITZERLAND) 2021; 10:1818. [PMID: 34579351 PMCID: PMC8472828 DOI: 10.3390/plants10091818] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Revised: 08/16/2021] [Accepted: 08/26/2021] [Indexed: 11/16/2022]
Abstract
Eragrostis curvula (Schrad.) Ness is a grass with a particular apomictic embryo sac development called Eragrostis type. Apomixis is a type of asexual reproduction that produces seeds without fertilization in which the resulting progeny is genetically identical to the mother plant and with the potential to fix the hybrid vigour from more than one generation, among other advantages. The absence of meiosis and the occurrence of only two rounds of mitosis instead of three during embryo sac development make this model unique and suitable to be transferred to economically important crops. Throughout this review, we highlight the advances in the knowledge of apomixis in E. curvula using different techniques such as cytoembryology, DNA methylation analyses, small-RNA-seq, RNA-seq, genome assembly, and genotyping by sequencing. The main bulk of evidence points out that apomixis is inherited as a single Mendelian factor, and it is regulated by genetic and epigenetic mechanisms controlled by a complex network. With all this information, we propose a model of the mechanisms involved in diplosporous apomixis in this grass. All the genetic and epigenetic resources generated in E. curvula to study the reproductive mode changed its status from an orphan to a well-characterised species.
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Affiliation(s)
- Jose Carballo
- Centro de Recursos Naturales Renovables de la Zona Semiárida (CERZOS–CCT–CONICET Bahía Blanca), Camino de la Carrindanga km 7, Bahía Blanca 8000, Argentina; (J.C.); (J.P.S.); (V.E.)
| | - Diego Zappacosta
- Centro de Recursos Naturales Renovables de la Zona Semiárida (CERZOS–CCT–CONICET Bahía Blanca), Camino de la Carrindanga km 7, Bahía Blanca 8000, Argentina; (J.C.); (J.P.S.); (V.E.)
- Departamento de Agronomía, Universidad Nacional del Sur (UNS), San Andrés 800, Bahía Blanca 8000, Argentina
| | - Juan Pablo Selva
- Centro de Recursos Naturales Renovables de la Zona Semiárida (CERZOS–CCT–CONICET Bahía Blanca), Camino de la Carrindanga km 7, Bahía Blanca 8000, Argentina; (J.C.); (J.P.S.); (V.E.)
- Departamento de Biología, Bioquímica y Farmacia, Universidad Nacional del Sur (UNS), San Juan 670, Bahía Blanca 8000, Argentina
| | - Mario Caccamo
- NIAB, 93 Lawrence Weaver Road, Cambridge CB3 0LE, UK;
| | - Viviana Echenique
- Centro de Recursos Naturales Renovables de la Zona Semiárida (CERZOS–CCT–CONICET Bahía Blanca), Camino de la Carrindanga km 7, Bahía Blanca 8000, Argentina; (J.C.); (J.P.S.); (V.E.)
- Departamento de Agronomía, Universidad Nacional del Sur (UNS), San Andrés 800, Bahía Blanca 8000, Argentina
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9
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Ahmad S, Tang L, Shahzad R, Mawia AM, Rao GS, Jamil S, Wei C, Sheng Z, Shao G, Wei X, Hu P, Mahfouz MM, Hu S, Tang S. CRISPR-Based Crop Improvements: A Way Forward to Achieve Zero Hunger. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:8307-8323. [PMID: 34288688 DOI: 10.1021/acs.jafc.1c02653] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
Zero hunger is one of the sustainable development goals set by the United Nations in 2015 to achieve global food security by 2030. The current harvest of crops is insufficient; feeding the world's population and meeting the goal of zero hunger by 2030 will require larger and more consistent crop production. Clustered regularly interspaced short palindromic repeats-associated protein (CRISPR-Cas) technology is widely used for the plant genome editing. In this review, we consider this technology as a potential tool for achieving zero hunger. We provide a comprehensive overview of CRISPR-Cas technology and its most important applications for food crops' improvement. We also conferred current and potential technological breakthroughs that will help in breeding future crops to end global hunger. The regulatory aspects of deploying this technology in commercial sectors, bioethics, and the production of transgene-free plants are also discussed. We hope that the CRISPR-Cas system will accelerate the breeding of improved crop cultivars compared with conventional breeding and pave the way toward the zero hunger goal.
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Affiliation(s)
- Shakeel Ahmad
- State Key Laboratory of Rice Biology, China National Center for Rice Improvement, China National Rice Research Institute, Hangzhou 310006, China
- Maize Research Station, Ayub Agricultural Research Institute, Faisalabad 38000, Pakistan
| | - Liqun Tang
- State Key Laboratory of Rice Biology, China National Center for Rice Improvement, China National Rice Research Institute, Hangzhou 310006, China
| | - Rahil Shahzad
- Agricultural Biotechnology Research Institute, Ayub Agricultural Research Institute, Faisalabad 38000, Pakistan
| | - Amos Musyoki Mawia
- State Key Laboratory of Rice Biology, China National Center for Rice Improvement, China National Rice Research Institute, Hangzhou 310006, China
| | - Gundra Sivakrishna Rao
- Laboratory for Genome Engineering and Synthetic Biology, Division of Biological Sciences, 4700 King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia
| | - Shakra Jamil
- Agricultural Biotechnology Research Institute, Ayub Agricultural Research Institute, Faisalabad 38000, Pakistan
| | - Chen Wei
- State Key Laboratory of Rice Biology, China National Center for Rice Improvement, China National Rice Research Institute, Hangzhou 310006, China
| | - Zhonghua Sheng
- State Key Laboratory of Rice Biology, China National Center for Rice Improvement, China National Rice Research Institute, Hangzhou 310006, China
| | - Gaoneng Shao
- State Key Laboratory of Rice Biology, China National Center for Rice Improvement, China National Rice Research Institute, Hangzhou 310006, China
| | - Xiangjin Wei
- State Key Laboratory of Rice Biology, China National Center for Rice Improvement, China National Rice Research Institute, Hangzhou 310006, China
| | - Peisong Hu
- State Key Laboratory of Rice Biology, China National Center for Rice Improvement, China National Rice Research Institute, Hangzhou 310006, China
| | - Magdy M Mahfouz
- Laboratory for Genome Engineering and Synthetic Biology, Division of Biological Sciences, 4700 King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia
| | - Shikai Hu
- State Key Laboratory of Rice Biology, China National Center for Rice Improvement, China National Rice Research Institute, Hangzhou 310006, China
| | - Shaoqing Tang
- State Key Laboratory of Rice Biology, China National Center for Rice Improvement, China National Rice Research Institute, Hangzhou 310006, China
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10
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Bolaños-Villegas P. The Role of Structural Maintenance of Chromosomes Complexes in Meiosis and Genome Maintenance: Translating Biomedical and Model Plant Research Into Crop Breeding Opportunities. FRONTIERS IN PLANT SCIENCE 2021; 12:659558. [PMID: 33868354 PMCID: PMC8044525 DOI: 10.3389/fpls.2021.659558] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Accepted: 03/15/2021] [Indexed: 06/06/2023]
Abstract
Cohesin is a multi-unit protein complex from the structural maintenance of chromosomes (SMC) family, required for holding sister chromatids together during mitosis and meiosis. In yeast, the cohesin complex entraps sister DNAs within tripartite rings created by pairwise interactions between the central ring units SMC1 and SMC3 and subunits such as the α-kleisin SCC1 (REC8/SYN1 in meiosis). The complex is an indispensable regulator of meiotic recombination in eukaryotes. In Arabidopsis and maize, the SMC1/SMC3 heterodimer is a key determinant of meiosis. In Arabidopsis, several kleisin proteins are also essential: SYN1/REC8 is meiosis-specific and is essential for double-strand break repair, whereas AtSCC2 is a subunit of the cohesin SCC2/SCC4 loading complex that is important for synapsis and segregation. Other important meiotic subunits are the cohesin EXTRA SPINDLE POLES (AESP1) separase, the acetylase ESTABLISHMENT OF COHESION 1/CHROMOSOME TRANSMISSION FIDELITY 7 (ECO1/CTF7), the cohesion release factor WINGS APART-LIKE PROTEIN 1 (WAPL) in Arabidopsis (AtWAPL1/AtWAPL2), and the WAPL antagonist AtSWITCH1/DYAD (AtSWI1). Other important complexes are the SMC5/SMC6 complex, which is required for homologous DNA recombination during the S-phase and for proper meiotic synapsis, and the condensin complexes, featuring SMC2/SMC4 that regulate proper clustering of rDNA arrays during interphase. Meiotic recombination is the key to enrich desirable traits in commercial plant breeding. In this review, I highlight critical advances in understanding plant chromatid cohesion in the model plant Arabidopsis and crop plants and suggest how manipulation of crossover formation during meiosis, somatic DNA repair and chromosome folding may facilitate transmission of desirable alleles, tolerance to radiation, and enhanced transcription of alleles that regulate sexual development. I hope that these findings highlight opportunities for crop breeding.
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Affiliation(s)
- Pablo Bolaños-Villegas
- Fabio Baudrit Agricultural Research Station, University of Costa Rica, Alajuela, Costa Rica
- Lankester Botanical Garden, University of Costa Rica, Cartago, Costa Rica
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Chen G, Zhou Y, Kishchenko O, Stepanenko A, Jatayev S, Zhang D, Borisjuk N. Gene editing to facilitate hybrid crop production. Biotechnol Adv 2020; 46:107676. [PMID: 33285253 DOI: 10.1016/j.biotechadv.2020.107676] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2020] [Revised: 11/23/2020] [Accepted: 11/28/2020] [Indexed: 11/18/2022]
Abstract
Capturing heterosis (hybrid vigor) is a promising way to increase productivity in many crops; hybrid crops often have superior yields, disease resistance, and stress tolerance compared with their parental inbred lines. The full utilization of heterosis faces a number of technical problems related to the specifics of crop reproductive biology, such as difficulties with generating and maintaining male-sterile lines and the low efficiency of natural cross-pollination for some genetic combinations. Innovative technologies, such as development of artificial in vitro systems for hybrid production and apomixis-based systems for maintenance of the resulting heterotic progeny, may substantially facilitate the production of hybrids. Genome editing using specifically targeted nucleases, such as clustered regularly interspaced short palindromic repeats (CRISPR)/CRISPR-associated nuclease 9 (CRISPR/Cas9) systems, which recognize targets by RNA:DNA complementarity, has recently become an integral part of research and development in life science. In this review, we summarize the progress of genome editing technologies for facilitating the generation of mutant male sterile lines, applications of haploids for hybrid production, and the use of apomixis for the clonal propagation of elite hybrid lines.
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Affiliation(s)
- Guimin Chen
- Jiangsu Key Laboratory for Eco-Agricultural Biotechnology around Hongze Lake, School of Life Sciences, Huaiyin Normal University, Huai'an, China; Jiangsu Collaborative Innovation Centre of Regional Modern Agriculture & Environmental Protection, Huaiyin Normal University, Huai'an, China
| | - Yuzhen Zhou
- Jiangsu Key Laboratory for Eco-Agricultural Biotechnology around Hongze Lake, School of Life Sciences, Huaiyin Normal University, Huai'an, China; Jiangsu Collaborative Innovation Centre of Regional Modern Agriculture & Environmental Protection, Huaiyin Normal University, Huai'an, China.
| | - Olena Kishchenko
- Jiangsu Key Laboratory for Eco-Agricultural Biotechnology around Hongze Lake, School of Life Sciences, Huaiyin Normal University, Huai'an, China; Jiangsu Collaborative Innovation Centre of Regional Modern Agriculture & Environmental Protection, Huaiyin Normal University, Huai'an, China; Institute of Cell Biology & Genetic Engineering, National Academy of Science of Ukraine, Kyiv, Ukraine.
| | - Anton Stepanenko
- Jiangsu Key Laboratory for Eco-Agricultural Biotechnology around Hongze Lake, School of Life Sciences, Huaiyin Normal University, Huai'an, China; Jiangsu Collaborative Innovation Centre of Regional Modern Agriculture & Environmental Protection, Huaiyin Normal University, Huai'an, China; Institute of Cell Biology & Genetic Engineering, National Academy of Science of Ukraine, Kyiv, Ukraine.
| | - Satyvaldy Jatayev
- Faculty of Agronomy, S. Seifullin Kazakh AgroTechnical University, Nur-Sultan, Kazakhstan
| | - Dabing Zhang
- Joint International Research Laboratory of Metabolic & Developmental Sciences, Shanghai Jiao Tong University-University of Adelaide Joint Centre for Agriculture and Health, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, China; School of Agriculture, Food and Wine, University of Adelaide, Glen Osmond, SA, Australia.
| | - Nikolai Borisjuk
- Jiangsu Key Laboratory for Eco-Agricultural Biotechnology around Hongze Lake, School of Life Sciences, Huaiyin Normal University, Huai'an, China; Jiangsu Collaborative Innovation Centre of Regional Modern Agriculture & Environmental Protection, Huaiyin Normal University, Huai'an, China.
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Ortiz JPA, Pupilli F, Acuña CA, Leblanc O, Pessino SC. How to Become an Apomixis Model: The Multifaceted Case of Paspalum. Genes (Basel) 2020; 11:E974. [PMID: 32839398 PMCID: PMC7564465 DOI: 10.3390/genes11090974] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Revised: 08/14/2020] [Accepted: 08/17/2020] [Indexed: 12/12/2022] Open
Abstract
In the past decades, the grasses of the Paspalum genus have emerged as a versatile model allowing evolutionary, genetic, molecular, and developmental studies on apomixis as well as successful breeding applications. The rise of such an archetypal system progressed through integrative phases, which were essential to draw conclusions based on solid standards. Here, we review the steps adopted in Paspalum to establish the current body of knowledge on apomixis and provide model breeding programs for other agronomically important apomictic crops. In particular, we discuss the need for previous detailed cytoembryological and cytogenetic germplasm characterization; the establishment of sexual and apomictic materials of identical ploidy level; the development of segregating populations useful for inheritance analysis, positional mapping, and epigenetic control studies; the development of omics data resources; the identification of key molecular pathways via comparative gene expression studies; the accurate molecular characterization of genomic loci governing apomixis; the in-depth functional analysis of selected candidate genes in apomictic and model species; the successful building of a sexual/apomictic combined breeding scheme.
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Affiliation(s)
- Juan Pablo A. Ortiz
- Instituto de Investigaciones en Ciencias Agrarias de Rosario (IICAR), CONICET, Facultad de Ciencias Agrarias, Universidad Nacional de Rosario, S2125ZAA Zavalla, Argentina;
| | - Fulvio Pupilli
- Institute of Biosciences and Bioresources (IBBR-CNR), 06128 Perugia, Italy;
| | - Carlos A. Acuña
- Instituto de Botánica del Nordeste (IBONE), CONICET, Facultad de Ciencias Agrarias, Universidad Nacional del Nordeste, 3400 Corrientes, Argentina;
| | - Olivier Leblanc
- UMR DIADE, IRD, Univ. Montpellier, 34090 Montpellier, France;
| | - Silvina C. Pessino
- Instituto de Investigaciones en Ciencias Agrarias de Rosario (IICAR), CONICET, Facultad de Ciencias Agrarias, Universidad Nacional de Rosario, S2125ZAA Zavalla, Argentina;
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