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Masani MYA, Norfaezah J, Bahariah B, Fizree MDPMAA, Sulaiman WNSW, Shaharuddin NA, Rasid OA, Parveez GKA. Towards DNA-free CRISPR/Cas9 genome editing for sustainable oil palm improvement. 3 Biotech 2024; 14:166. [PMID: 38817736 PMCID: PMC11133284 DOI: 10.1007/s13205-024-04010-w] [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: 01/04/2024] [Accepted: 05/18/2024] [Indexed: 06/01/2024] Open
Abstract
The CRISPR/Cas9 genome editing system has been in the spotlight compared to programmable nucleases such as ZFNs and TALENs due to its simplicity, versatility, and high efficiency. CRISPR/Cas9 has revolutionized plant genetic engineering and is broadly used to edit various plants' genomes, including those transformation-recalcitrant species such as oil palm. This review will comprehensively present the CRISPR-Cas9 system's brief history and underlying mechanisms. We then highlighted the establishment of the CRISPR/Cas9 system in plants with an emphasis on the strategies of highly efficient guide RNA design, the establishment of various CRISPR/Cas9 vector systems, approaches of multiplex editing, methods of transformation for stable and transient techniques, available methods for detecting and analyzing mutations, which have been applied and could be adopted for CRISPR/Cas9 genome editing in oil palm. In addition, we also provide insight into the strategy of DNA-free genome editing and its potential application in oil palm.
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Affiliation(s)
- Mat Yunus Abdul Masani
- Malaysian Palm Oil Board (MPOB), 6, Persiaran Institusi, Bandar Baru Bangi, 43000 Kajang, Selangor Malaysia
| | - Jamaludin Norfaezah
- Malaysian Palm Oil Board (MPOB), 6, Persiaran Institusi, Bandar Baru Bangi, 43000 Kajang, Selangor Malaysia
| | - Bohari Bahariah
- Malaysian Palm Oil Board (MPOB), 6, Persiaran Institusi, Bandar Baru Bangi, 43000 Kajang, Selangor Malaysia
| | | | | | - Noor Azmi Shaharuddin
- Department of Biochemistry, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, UPM, 43400 Serdang, Malaysia
| | - Omar Abdul Rasid
- Malaysian Palm Oil Board (MPOB), 6, Persiaran Institusi, Bandar Baru Bangi, 43000 Kajang, Selangor Malaysia
| | - Ghulam Kadir Ahmad Parveez
- Malaysian Palm Oil Board (MPOB), 6, Persiaran Institusi, Bandar Baru Bangi, 43000 Kajang, Selangor Malaysia
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He J, Zeng C, Li M. Plant Functional Genomics Based on High-Throughput CRISPR Library Knockout Screening: A Perspective. ADVANCED GENETICS (HOBOKEN, N.J.) 2024; 5:2300203. [PMID: 38465224 PMCID: PMC10919289 DOI: 10.1002/ggn2.202300203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Revised: 10/19/2023] [Indexed: 03/12/2024]
Abstract
Plant biology studies in the post-genome era have been focused on annotating genome sequences' functions. The established plant mutant collections have greatly accelerated functional genomics research in the past few decades. However, most plant genome sequences' roles and the underlying regulatory networks remain substantially unknown. Clustered, regularly interspaced short palindromic repeat (CRISPR)-associated systems are robust, versatile tools for manipulating plant genomes with various targeted DNA perturbations, providing an excellent opportunity for high-throughput interrogation of DNA elements' roles. This study compares methods frequently used for plant functional genomics and then discusses different DNA multi-targeted strategies to overcome gene redundancy using the CRISPR-Cas9 system. Next, this work summarizes recent reports using CRISPR libraries for high-throughput gene knockout and function discoveries in plants. Finally, this work envisions the future perspective of optimizing and leveraging CRISPR library screening in plant genomes' other uncharacterized DNA sequences.
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Affiliation(s)
- Jianjie He
- Department of BiotechnologyCollege of Life Science and TechnologyHuazhong University of Science and TechnologyWuhan430074China
- Key Laboratory of Molecular Biophysics of the Ministry of EducationWuhan430074China
| | - Can Zeng
- Department of BiotechnologyCollege of Life Science and TechnologyHuazhong University of Science and TechnologyWuhan430074China
- Key Laboratory of Molecular Biophysics of the Ministry of EducationWuhan430074China
| | - Maoteng Li
- Department of BiotechnologyCollege of Life Science and TechnologyHuazhong University of Science and TechnologyWuhan430074China
- Key Laboratory of Molecular Biophysics of the Ministry of EducationWuhan430074China
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Li J, Kong D, Ke Y, Zeng W, Miki D. Application of multiple sgRNAs boosts efficiency of CRISPR/Cas9-mediated gene targeting in Arabidopsis. BMC Biol 2024; 22:6. [PMID: 38233866 PMCID: PMC10795408 DOI: 10.1186/s12915-024-01810-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Accepted: 01/02/2024] [Indexed: 01/19/2024] Open
Abstract
BACKGROUND Precise gene targeting (GT) is a powerful tool for heritable precision genome engineering, enabling knock-in or replacement of the endogenous sequence via homologous recombination. We recently established a CRISPR/Cas9-mediated approach for heritable GT in Arabidopsis thaliana (Arabidopsis) and rice and reported that the double-strand breaks (DSBs) frequency of Cas9 influences the GT efficiency. However, the relationship between DSBs and GT at the same locus was not examined. Furthermore, it has never been investigated whether an increase in the number of copies of sgRNAs or the use of multiple sgRNAs would improve the efficiency of GT. RESULTS Here, we achieved precise GT at endogenous loci Embryo Defective 2410 (EMB2410) and Repressor of Silencing 1 (ROS1) using the sequential transformation strategy and the combination of sgRNAs. We show that increasing of sgRNAs copy number elevates both DSBs and GT efficiency. On the other hand, application of multiple sgRNAs does not always enhance GT efficiency. Our results also suggested that some inefficient sgRNAs would play a role as a helper to facilitate other sgRNAs DSBs activity. CONCLUSIONS The results of this study clearly show that DSB efficiency, rather than mutation pattern, is one of the most important key factors determining GT efficiency. This study provides new insights into the relationship between sgRNAs, DSBs, and GTs and the molecular mechanisms of CRISPR/Cas9-mediated GTs in plants.
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Affiliation(s)
- Jing Li
- Shanghai Center for Plant Stress Biology, CAS Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai, 200032, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Dali Kong
- Shanghai Center for Plant Stress Biology, CAS Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai, 200032, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Yongping Ke
- Shanghai Center for Plant Stress Biology, CAS Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai, 200032, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Wenjie Zeng
- Shanghai Center for Plant Stress Biology, CAS Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai, 200032, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Daisuke Miki
- Shanghai Center for Plant Stress Biology, CAS Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai, 200032, China.
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Yao D, Zhou J, Zhang A, Wang J, Liu Y, Wang L, Pi W, Li Z, Yue W, Cai J, Liu H, Hao W, Qu X. Advances in CRISPR/Cas9-based research related to soybean [ Glycine max (Linn.) Merr] molecular breeding. FRONTIERS IN PLANT SCIENCE 2023; 14:1247707. [PMID: 37711287 PMCID: PMC10499359 DOI: 10.3389/fpls.2023.1247707] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Accepted: 07/28/2023] [Indexed: 09/16/2023]
Abstract
Soybean [Glycine max (Linn.) Merr] is a source of plant-based proteins and an essential oilseed crop and industrial raw material. The increase in the demand for soybeans due to societal changes has coincided with the increase in the breeding of soybean varieties with enhanced traits. Earlier gene editing technologies involved zinc finger nucleases and transcription activator-like effector nucleases, but the third-generation gene editing technology uses clustered regularly interspaced short palindromic repeats (CRISPR)/CRISPR-associated protein 9 (Cas9). The rapid development of CRISPR/Cas9 technology has made it one of the most effective, straightforward, affordable, and user-friendly technologies for targeted gene editing. This review summarizes the application of CRISPR/Cas9 technology in soybean molecular breeding. More specifically, it provides an overview of the genes that have been targeted, the type of editing that occurs, the mechanism of action, and the efficiency of gene editing. Furthermore, suggestions for enhancing and accelerating the molecular breeding of novel soybean varieties with ideal traits (e.g., high yield, high quality, and durable disease resistance) are included.
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Affiliation(s)
- Dan Yao
- College of Life Science, Jilin Agricultural University, Changchun, Jilin, China
- Institute of Crop Resources, Jilin Provincial Academy of Agricultural Sciences, Gongzhuling, Jilin, China
| | - Junming Zhou
- College of Life Science, Jilin Agricultural University, Changchun, Jilin, China
| | - Aijing Zhang
- College of Agronomy, Jilin Agricultural University, Changchun, China
| | - Jiaxin Wang
- College of Life Science, Jilin Agricultural University, Changchun, Jilin, China
| | - Yixuan Liu
- College of Life Science, Jilin Agricultural University, Changchun, Jilin, China
| | - Lixue Wang
- College of Life Science, Jilin Agricultural University, Changchun, Jilin, China
| | - Wenxuan Pi
- College of Life Science, Jilin Agricultural University, Changchun, Jilin, China
| | - Zihao Li
- College of Life Science, Jilin Agricultural University, Changchun, Jilin, China
| | - Wenjun Yue
- College of Life Science, Jilin Agricultural University, Changchun, Jilin, China
| | - Jinliang Cai
- College of Life Science, Jilin Agricultural University, Changchun, Jilin, China
| | - Huijing Liu
- College of Life Science, Jilin Agricultural University, Changchun, Jilin, China
| | - Wenyuan Hao
- Jilin Provincial Academy of Agricultural Sciences, Changchun, Jilin, China
| | - Xiangchun Qu
- Institute of Crop Resources, Jilin Provincial Academy of Agricultural Sciences, Gongzhuling, Jilin, China
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