A naturally occurring conditional albino mutant in rice caused by defects in the plastid-localized OsABCI8 transporter
A wide range of molecules are transported across membranes by the ATP binding cassette (ABC) transporters. Plants possess a collection of ABC proteins bearing similarities to the components of prokaryotic multi subunit ABC transporters, designed as ABC group I. However the functions of most of them are not well understood. Here, we characterized a naturally occurring rice mutant that exhibited albino phenotype under continuous rainy days in the field, but gradually recovered to normal green after the rainy season. Molecular and genetic analyses revealed that the phenotypes were caused by a mutation in the OsABCI8 that encoded a member of the ABCI family. Subcellular localization demonstrated that OsABCI8 is a chloroplast ABC transporter. Expression of OsABCI8 is significantly enhanced in rainy days compared to sunny days. Besides defects in chloroplast development and chlorophyll biosynthesis, the mutant phenotype is accompanied by a higher accumulation of iron, suggesting that OsABCI8 is involved in iron transportation and/or homeostasis in rice. Our results demonstrate that OsABCI8 represents a conserved ABCI protein involved in transition metals transportation and/or homeostasis and suggest an important role of the plastid-localized OsABCI8 for chloroplast development.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2017 |
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| Erschienen: |
2017 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:94 |
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| Enthalten in: |
Plant molecular biology - 94(2017), 1-2 vom: 12. Mai, Seite 137-148 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Zeng, Xiuyu [VerfasserIn] |
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| Links: |
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| Themen: |
ABC transporter |
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| Anmerkungen: |
Date Completed 01.08.2017 Date Revised 13.11.2018 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1007/s11103-017-0598-4 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM269760962 |
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| 100 | 1 | |a Zeng, Xiuyu |e verfasserin |4 aut | |
| 245 | 1 | 2 | |a A naturally occurring conditional albino mutant in rice caused by defects in the plastid-localized OsABCI8 transporter |
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| 500 | |a Date Completed 01.08.2017 | ||
| 500 | |a Date Revised 13.11.2018 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a A wide range of molecules are transported across membranes by the ATP binding cassette (ABC) transporters. Plants possess a collection of ABC proteins bearing similarities to the components of prokaryotic multi subunit ABC transporters, designed as ABC group I. However the functions of most of them are not well understood. Here, we characterized a naturally occurring rice mutant that exhibited albino phenotype under continuous rainy days in the field, but gradually recovered to normal green after the rainy season. Molecular and genetic analyses revealed that the phenotypes were caused by a mutation in the OsABCI8 that encoded a member of the ABCI family. Subcellular localization demonstrated that OsABCI8 is a chloroplast ABC transporter. Expression of OsABCI8 is significantly enhanced in rainy days compared to sunny days. Besides defects in chloroplast development and chlorophyll biosynthesis, the mutant phenotype is accompanied by a higher accumulation of iron, suggesting that OsABCI8 is involved in iron transportation and/or homeostasis in rice. Our results demonstrate that OsABCI8 represents a conserved ABCI protein involved in transition metals transportation and/or homeostasis and suggest an important role of the plastid-localized OsABCI8 for chloroplast development | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a ABC transporter | |
| 650 | 4 | |a Chloroplast development | |
| 650 | 4 | |a Iron transport | |
| 650 | 4 | |a Rice | |
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| 650 | 7 | |a Iron |2 NLM | |
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| 700 | 1 | |a Tang, Ran |e verfasserin |4 aut | |
| 700 | 1 | |a Guo, Herong |e verfasserin |4 aut | |
| 700 | 1 | |a Ke, Shanwen |e verfasserin |4 aut | |
| 700 | 1 | |a Teng, Bin |e verfasserin |4 aut | |
| 700 | 1 | |a Hung, Yu-Hung |e verfasserin |4 aut | |
| 700 | 1 | |a Xu, Zhenjiang |e verfasserin |4 aut | |
| 700 | 1 | |a Xie, Xin-Ming |e verfasserin |4 aut | |
| 700 | 1 | |a Hsieh, Tzung-Fu |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Xiang-Qian |e verfasserin |4 aut | |
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