Genome Editing Technology and Its Application to Metabolic Engineering in Rice

Abstract Genome editing technology can be used for gene engineering in many organisms. A target metabolite can be fortified by the knockout and modification of target genes encoding enzymes involved in catabolic and biosynthesis pathways, respectively, via genome editing technology. Genome editing i...

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Main Authors: Satoru Sukegawa, Seiichi Toki, Hiroaki Saika
Format: Article
Language:English
Published: SpringerOpen 2022-04-01
Series:Rice
Subjects:
Online Access:https://doi.org/10.1186/s12284-022-00566-4
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author Satoru Sukegawa
Seiichi Toki
Hiroaki Saika
author_facet Satoru Sukegawa
Seiichi Toki
Hiroaki Saika
author_sort Satoru Sukegawa
collection DOAJ
description Abstract Genome editing technology can be used for gene engineering in many organisms. A target metabolite can be fortified by the knockout and modification of target genes encoding enzymes involved in catabolic and biosynthesis pathways, respectively, via genome editing technology. Genome editing is also applied to genes encoding proteins other than enzymes, such as chaperones and transporters. There are many reports of such metabolic engineering using genome editing technology in rice. Genome editing is used not only for site-directed mutagenesis such as the substitution of a single base in a target gene but also for random mutagenesis at a targeted region. The latter enables the creation of novel genetic alleles in a target gene. Recently, genome editing technology has been applied to random mutagenesis in a targeted gene and its promoter region in rice, enabling the screening of plants with a desirable trait from these mutants. Moreover, the expression level of a target gene can be artificially regulated by a combination of genome editing tools such as catalytically inactivated Cas protein with transcription activator or repressor. This approach could be useful for metabolic engineering, although expression cassettes for inactivated Cas fused to a transcriptional activator or repressor should be stably transformed into the rice genome. Thus, the rapid development of genome editing technology has been expanding the scope of molecular breeding including metabolic engineering. In this paper, we review the current status of genome editing technology and its application to metabolic engineering in rice.
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spelling doaj.art-375043d6bb424bb9b7d88615f2952c372022-12-21T23:33:24ZengSpringerOpenRice1939-84251939-84332022-04-0115111010.1186/s12284-022-00566-4Genome Editing Technology and Its Application to Metabolic Engineering in RiceSatoru Sukegawa0Seiichi Toki1Hiroaki Saika2Institute of Agrobiological Sciences, National Agriculture and Food Research OrganizationInstitute of Agrobiological Sciences, National Agriculture and Food Research OrganizationInstitute of Agrobiological Sciences, National Agriculture and Food Research OrganizationAbstract Genome editing technology can be used for gene engineering in many organisms. A target metabolite can be fortified by the knockout and modification of target genes encoding enzymes involved in catabolic and biosynthesis pathways, respectively, via genome editing technology. Genome editing is also applied to genes encoding proteins other than enzymes, such as chaperones and transporters. There are many reports of such metabolic engineering using genome editing technology in rice. Genome editing is used not only for site-directed mutagenesis such as the substitution of a single base in a target gene but also for random mutagenesis at a targeted region. The latter enables the creation of novel genetic alleles in a target gene. Recently, genome editing technology has been applied to random mutagenesis in a targeted gene and its promoter region in rice, enabling the screening of plants with a desirable trait from these mutants. Moreover, the expression level of a target gene can be artificially regulated by a combination of genome editing tools such as catalytically inactivated Cas protein with transcription activator or repressor. This approach could be useful for metabolic engineering, although expression cassettes for inactivated Cas fused to a transcriptional activator or repressor should be stably transformed into the rice genome. Thus, the rapid development of genome editing technology has been expanding the scope of molecular breeding including metabolic engineering. In this paper, we review the current status of genome editing technology and its application to metabolic engineering in rice.https://doi.org/10.1186/s12284-022-00566-4Genome editingMolecular breedingMetabolic engineering
spellingShingle Satoru Sukegawa
Seiichi Toki
Hiroaki Saika
Genome Editing Technology and Its Application to Metabolic Engineering in Rice
Rice
Genome editing
Molecular breeding
Metabolic engineering
title Genome Editing Technology and Its Application to Metabolic Engineering in Rice
title_full Genome Editing Technology and Its Application to Metabolic Engineering in Rice
title_fullStr Genome Editing Technology and Its Application to Metabolic Engineering in Rice
title_full_unstemmed Genome Editing Technology and Its Application to Metabolic Engineering in Rice
title_short Genome Editing Technology and Its Application to Metabolic Engineering in Rice
title_sort genome editing technology and its application to metabolic engineering in rice
topic Genome editing
Molecular breeding
Metabolic engineering
url https://doi.org/10.1186/s12284-022-00566-4
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