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An Argon-Ion-Induced Pale Green Mutant of Arabidopsis Exhibiting Rapid Disassembly of Mesophyll Chloroplast Grana
https://repo.qst.go.jp/records/84054
https://repo.qst.go.jp/records/8405424ccea17-39f8-4673-b207-1718357ef994
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2021-07-14 | |||||
タイトル | ||||||
タイトル | An Argon-Ion-Induced Pale Green Mutant of Arabidopsis Exhibiting Rapid Disassembly of Mesophyll Chloroplast Grana | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
Sanjaya, Alvin
× Sanjaya, Alvin× Kazama, Yusuke× Ishii, Kotaro× Muramatsu, Ryohsuke× Kanamaru, Kengo× Ohbu, Sumie× Abe, Tomoko× T Fujiwara, Makoto× Kotaro, Ishii |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Argon-ion beam is an effective mutagen capable of inducing a variety of mutation types. In this study, an argon ion-induced pale green mutant of was isolated and characterized. The mutant, designated Ar50-33-pg1, exhibited moderate defects of growth and greening and exhibited rapid chlorosis in photosynthetic tissues. Fluorescence microscopy confirmed that mesophyll chloroplasts underwent substantial shrinkage during the chlorotic process. Genetic and whole-genome resequencing analyses revealed that Ar50-33-pg1 contained a large 940 kb deletion in chromosome V that encompassed more than 100 annotated genes, including 41 protein-coding genes such as /, , and . One of the deleted genes, , for a thylakoid membrane-localized metalloprotease, was the major contributory gene responsible for the pale mutant phenotype. Both an mutant and F progeny of an Ar50-33-pg1 × cross-exhibited chlorotic phenotypes similar to those of Ar50-33-pg1. Furthermore, ultrastructural analysis of mesophyll cells revealed that Ar50-33-pg1 and initially developed wild type-like chloroplasts, but these were rapidly disassembled, resulting in thylakoid disorganization and fragmentation, as well as plastoglobule accumulation, as terminal phenotypes. Together, these data support the utility of heavy-ion mutagenesis for plant genetic analysis and highlight the importance of in the structural maintenance of grana in mesophyll chloroplasts. | |||||
書誌情報 |
Plants 巻 10, 号 5, p. 848, 発行日 2021-01 |
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出版者 | ||||||
出版者 | MDPI | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2223-7747 | |||||
PubMed番号 | ||||||
識別子タイプ | PMID | |||||
関連識別子 | 33922223 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.3390/plants10050848 | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://www.mdpi.com/2223-7747/10/5/848 |