Chloroplast C-to-U editing, regulated by a PPR protein BoYgl-2, is important for chlorophyll biosynthesis in cabbage
© The Author(s) 2024. Published by Oxford University Press on behalf of Nanjing Agricultural University..
Leaf color is an important agronomic trait in cabbage (Brassica oleracea L. var. capitata), but the detailed mechanism underlying leaf color formation remains unclear. In this study, we characterized a Brassica oleracea yellow-green leaf 2 (BoYgl-2) mutant 4036Y, which has significantly reduced chlorophyll content and abnormal chloroplasts during early leaf development. Genetic analysis revealed that the yellow-green leaf trait is controlled by a single recessive gene. Map-based cloning revealed that BoYgl-2 encodes a novel nuclear-targeted P-type PPR protein, which is absent in the 4036Y mutant. Functional complementation showed that BoYgl-2 from the normal-green leaf 4036G can rescue the yellow-green leaf phenotype of 4036Y. The C-to-U editing efficiency and expression levels of atpF, rps14, petL and ndhD were significantly reduced in 4036Y than that in 4036G, and significantly increased in BoYgl-2 overexpression lines than that in 4036Y. The expression levels of many plastid- and nuclear-encoded genes associated with chloroplast development in BoYgl-2 mutant were also significantly altered. These results suggest that BoYgl-2 participates in chloroplast C-to-U editing and development, which provides rare insight into the molecular mechanism underlying leaf color formation in cabbage.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:11 |
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| Enthalten in: |
Horticulture research - 11(2024), 3 vom: 30. März, Seite uhae006 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Zhang, Bin [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Revised 03.04.2024 published: Electronic-eCollection Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1093/hr/uhae006 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a © The Author(s) 2024. Published by Oxford University Press on behalf of Nanjing Agricultural University. | ||
| 520 | |a Leaf color is an important agronomic trait in cabbage (Brassica oleracea L. var. capitata), but the detailed mechanism underlying leaf color formation remains unclear. In this study, we characterized a Brassica oleracea yellow-green leaf 2 (BoYgl-2) mutant 4036Y, which has significantly reduced chlorophyll content and abnormal chloroplasts during early leaf development. Genetic analysis revealed that the yellow-green leaf trait is controlled by a single recessive gene. Map-based cloning revealed that BoYgl-2 encodes a novel nuclear-targeted P-type PPR protein, which is absent in the 4036Y mutant. Functional complementation showed that BoYgl-2 from the normal-green leaf 4036G can rescue the yellow-green leaf phenotype of 4036Y. The C-to-U editing efficiency and expression levels of atpF, rps14, petL and ndhD were significantly reduced in 4036Y than that in 4036G, and significantly increased in BoYgl-2 overexpression lines than that in 4036Y. The expression levels of many plastid- and nuclear-encoded genes associated with chloroplast development in BoYgl-2 mutant were also significantly altered. These results suggest that BoYgl-2 participates in chloroplast C-to-U editing and development, which provides rare insight into the molecular mechanism underlying leaf color formation in cabbage | ||
| 650 | 4 | |a Journal Article | |
| 700 | 1 | |a Wu, Yuankang |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Shoufan |e verfasserin |4 aut | |
| 700 | 1 | |a Ren, Wenjing |e verfasserin |4 aut | |
| 700 | 1 | |a Yang, Limei |e verfasserin |4 aut | |
| 700 | 1 | |a Zhuang, Mu |e verfasserin |4 aut | |
| 700 | 1 | |a Lv, Honghao |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Yong |e verfasserin |4 aut | |
| 700 | 1 | |a Ji, Jialei |e verfasserin |4 aut | |
| 700 | 1 | |a Hou, Xilin |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Yangyong |e verfasserin |4 aut | |
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