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| 著者 | Yang Y., Xu J., Huang L., Leng Y., Dai L., Rao Y., Chen L., Wang Y., Tu Z., Hu J., Ren D., Zhang G., Zhu L., Guo L., Qian Q., Zeng D. | |
| タイトル | PGL, encoding chlorophyllide a oxygenase 1, impacts leaf senescence and indirectly affects grain yield and quality in rice. | |
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Abstract: Chlorophyll (Chl) b is a ubiquitous accessory pigment in land plants, green algae, and prochlorophytes. This pigment is synthesized from Chl a by chlorophyllide a oxygenase and plays a key role in adaptation to various environments. This study characterizes a rice mutant, pale green leaf (PGL), and isolates the gene PGL by using a map-based cloning approach. PGL, encoding chlorophyllide a oxygenase 1, is mainly expressed in the chlorenchyma and activated in the light-dependent Chl synthesis process. Compared with wild-type plants, PGL exhibits a lower Chl content with a reduced and disorderly thylakoid ultrastructure, which decreases the photosynthesis rate and results in reduced grain yield and quality. In addition, PGL exhibits premature senescence in both natural and dark-induced conditions and more severe Chl degradation and reactive oxygen species accumulation than does the wild-type. Moreover, PGL is sensitive to heat stress. |
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| 掲載誌 | J. Exp. Bot. | |
| Country | China | |
| 刊数 | ||
| ページ | ||
| 発刊年 | 2015 | |
| PubMed ID | 26709310 | |
| PubMed Central ID | - | |
| DOI | 10.1093/jxb/erv529 | |
| URL | - | |
| 関連情報 | ||
| 遺伝子 | AMTR1 APX1 APX2 CATB CHLH DVR EAS1 FGL HEMA NOL NYC1 NYC3 NYC4 PORA PRX16 RCCR1 YGL1 YGL10 _ | |
| INSD | - | |
| 系統 |
野生イネ コアコレクション |
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| 突然変異系統(遺伝研 Collection) | - | |
| 種子不稔系統 | - | |
| 致死変異体系統 | - | |
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組織別発生段階 - 突然変異系統(遺伝子) |
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| 栽培イネ品種(遺伝研 Collection) | - | |
| 組織別発生段階 | - | |
