Cited by 13Photosynthetic Processes and MechanismsLight effects on plantsPlant Gene Expression Analysis

Map-Based Cloning and Functional Analysis of YE1 in Rice, Which Is Involved in Light-Dependent Chlorophyll Biogenesis and Photoperiodic Flowering Pathway

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Peng, Youlin, Zou, Ting, Li, Lamei, Tang, Shiwen, Li, Qiao, Zhang, Jie, Chen, Yongjun, Wang, Xuechun +2 more·2019·International Journal of Molecular Sciences

Abstract

Light is one of the most important environmental factors that affect many aspects of plant growth, including chlorophyll (Chl) synthesis and flowering time. Here, we identified a rice mutant, yellow leaf and early flowering (ye1), and characterized the gene YE1 by using a map-based cloning method. YE1 encodes a heme oxygenase, which is localized to the chloroplasts. YE1 is expressed in various green tissues, especially in leaves, with a diurnal-rhythmic expression pattern, and its transcripts is also induced by light during leaf-greening. The mutant displays decreased Chl contents with less and disorderly thylakoid lamellar layers in chloroplasts, which reduced the photosynthesis rate. The early flowering phenotype of ye1 was not photoperiod-sensitive. Furthermore, the expression levels of Chl biosynthetic genes were downregulated in ye1 seedlings during de-etiolation responses to light. We also found that rhythmic expression patterns of genes involved in photoperiodic flowering were altered in the mutant. Based on these results, we infer that YE1 plays an important role in light-dependent Chl biogenesis as well as photoperiodic flowering pathway in rice.

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  1. [66]Shimamoto K. Yokoi S. The Photoperiodic Control of Flowering in Rice, a Short-Day Plant Light Sensing in Plants Wada M. Shimazaki K.-I. Iino M. Springer Tokyo, Japan 2005 339 346

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Authors
Peng, Y., Zou, T., Li, L., Tang, S., Li, Q., Zhang, J., Chen, Y., Wang, X., Yang, G., & Hu, Y.
Affiliations
  • Southwest University of Science and Technology (CN)
  • Sichuan Agricultural University (CN)
Corresponding author
  • Zou, Ting
  • Hu, Yungao
Venue
International Journal of Molecular Sciences
Publisher
MDPI AG
Published
2019-02-11
Volume
20
Issue
3
Pages
758
ISSN
1422-0067 (ISSN-L)
OpenAlex
W2914155963
Cited by
13
References
88
Citations by year
2026: 1 · 2025: 3 · 2023: 2 · 2022: 3 · 2021: 1 · 2020: 1 · 2019: 2
FWCI
0.58
Type
journal article
Language
en
Open access
Locations
  • International Journal of Molecular Sciences (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, other-oa)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • the Southwest University of Science and Technology PhD Research Fund (18zx7126)
  • National Key R&D Program of China (2017YFD0100201)
  • the Educational Commission of Sichuan Province, China (18ZA0507)
  • State Key Laboratory of Rice Biology, China (160202)
  • College Students' Innovation and Entrepreneurship Training Program of Sichuan Province (18xcy074)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Photosynthetic Processes and Mechanisms
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Light effects on plants
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Plant Gene Expression Analysis
Keywords
heme oxygenase, chlorophyll biosynthesis, photoperiodic flowering, rice, chloroplasts, thylakoid membranes, photosynthesis, flowering time
MeSH terms
Chlorophyll, Chloroplasts, Cloning, Molecular, Mutation, Phenotype, Photosynthesis, Phylogeny, Oryza, Genes, Plant, Sequence Analysis, DNA, Gene Expression Regulation, Plant, Evolution, Molecular, Flowers, Metabolic Networks and Pathways

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