Editing of ORF138 restores fertility of Ogura cytoplasmic male sterile broccoli via mitoTALENs
© 2023 The Authors. Plant Biotechnology Journal published by Society for Experimental Biology and The Association of Applied Biologists and John Wiley & Sons Ltd..
Cytoplasmic male sterility (CMS), encoded by the mitochondrial open reading frames (ORFs), has long been used to economically produce crop hybrids. However, the utilization of CMS also hinders the exploitation of sterility and fertility variation in the absence of a restorer line, which in turn narrows the genetic background and reduces biodiversity. Here, we used a mitochondrial targeted transcription activator-like effector nuclease (mitoTALENs) to knock out ORF138 from the Ogura CMS broccoli hybrid. The knockout was confirmed by the amplification and re-sequencing read mapping to the mitochondrial genome. As a result, knockout of ORF138 restored the fertility of the CMS hybrid, and simultaneously manifested a cold-sensitive male sterility. ORF138 depletion is stably inherited to the next generation, allowing for direct use in the breeding process. In addition, we proposed a highly reliable and cost-effective toolkit to accelerate the life cycle of fertile lines from CMS-derived broccoli hybrids. By applying the k-mean clustering and interaction network analysis, we identified the central gene networks involved in the fertility restoration and cold-sensitive male sterility. Our study enables mitochondrial genome editing via mitoTALENs in Brassicaceae vegetable crops and provides evidence that the sex production machinery and its temperature-responsive ability are regulated by the mitochondria.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:22 |
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| Enthalten in: |
Plant biotechnology journal - 22(2024), 5 vom: 08. Apr., Seite 1325-1334 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Xu, Fengyuan [VerfasserIn] |
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| Links: |
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| Themen: |
Broccoli |
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| Anmerkungen: |
Date Completed 18.04.2024 Date Revised 25.04.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1111/pbi.14268 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM367036150 |
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| 520 | |a © 2023 The Authors. Plant Biotechnology Journal published by Society for Experimental Biology and The Association of Applied Biologists and John Wiley & Sons Ltd. | ||
| 520 | |a Cytoplasmic male sterility (CMS), encoded by the mitochondrial open reading frames (ORFs), has long been used to economically produce crop hybrids. However, the utilization of CMS also hinders the exploitation of sterility and fertility variation in the absence of a restorer line, which in turn narrows the genetic background and reduces biodiversity. Here, we used a mitochondrial targeted transcription activator-like effector nuclease (mitoTALENs) to knock out ORF138 from the Ogura CMS broccoli hybrid. The knockout was confirmed by the amplification and re-sequencing read mapping to the mitochondrial genome. As a result, knockout of ORF138 restored the fertility of the CMS hybrid, and simultaneously manifested a cold-sensitive male sterility. ORF138 depletion is stably inherited to the next generation, allowing for direct use in the breeding process. In addition, we proposed a highly reliable and cost-effective toolkit to accelerate the life cycle of fertile lines from CMS-derived broccoli hybrids. By applying the k-mean clustering and interaction network analysis, we identified the central gene networks involved in the fertility restoration and cold-sensitive male sterility. Our study enables mitochondrial genome editing via mitoTALENs in Brassicaceae vegetable crops and provides evidence that the sex production machinery and its temperature-responsive ability are regulated by the mitochondria | ||
| 650 | 4 | |a Journal Article | |
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| 650 | 4 | |a cold‐sensitive male sterility | |
| 650 | 4 | |a cytoplasmic male sterility | |
| 650 | 4 | |a fertility restoration | |
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| 700 | 1 | |a Su, Tongbing |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Xiaochen |e verfasserin |4 aut | |
| 700 | 1 | |a Qiu, Lei |e verfasserin |4 aut | |
| 700 | 1 | |a Yang, Xiaodong |e verfasserin |4 aut | |
| 700 | 1 | |a Koizuka, Nobuya |e verfasserin |4 aut | |
| 700 | 1 | |a Arimura, Shin-Ichi |e verfasserin |4 aut | |
| 700 | 1 | |a Hu, Zhongyuan |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Mingfang |e verfasserin |4 aut | |
| 700 | 1 | |a Yang, Jinghua |e verfasserin |4 aut | |
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