The Endosperm-Specific Expression of YUCCA Genes Enhances Rice Grain Filling Article Swipe
Huijun Jiang
,
Kaien Zhai
,
Xiaofan Ye
,
Tianwei Hu
,
Jieming Jiang
,
Xiaoqiu Dong
,
Wei-Huai Pan
,
Jianwei Pan
,
Jianxin Shou
·
YOU?
·
· 2022
· Open Access
·
· DOI: https://doi.org/10.32604/phyton.2022.021474
YOU?
·
· 2022
· Open Access
·
· DOI: https://doi.org/10.32604/phyton.2022.021474
Grain filling is a crucial process that affects yield in rice (Oryza sativa L.). Auxin biosynthesis and signaling are closely related to rice yield; therefore, it is important to understand the effects of auxin biosynthesis on rice grain filling to improve crop yield. In this study, we used physiological and molecular strategies to identify the roles of auxin in rice grain filling. Exogenous application of auxin (IAA) or auxin analogues (2, 4-D) to young spikelets and flag leaves improved the seed-setting rate and yield per spike. Furthermore, real-time quantitative PCR assays confirmed that nine members of the OsYUCCA family of auxin biosynthetic genes were upregulated during grain filling, implication that auxin biosynthesis plays a major role in grain development. The specific expression of either Arabidopsis AtYUCCA1 or OsYUCCA2 in the endosperm or leaves resulted in increased expression of OsIAA genes and auxin content of seeds, as well as increased grain filling and seed-setting rate. This result establishes that the auxin content in grains and leaves is important for grain development. Our findings further highlight the potential applications for improving rice yield by elevating targeted gene expression in specific tissues.
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Metadata
- Type
- article
- Language
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- Landing Page
- https://doi.org/10.32604/phyton.2022.021474
- OA Status
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- References
- 41
- Related Works
- 10
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All OpenAlex metadata
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https://openalex.org/W4293209204Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.32604/phyton.2022.021474Digital Object Identifier
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The Endosperm-Specific Expression of YUCCA Genes Enhances Rice Grain FillingWork title
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articleOpenAlex work type
- Language
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enPrimary language
- Publication year
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2022Year of publication
- Publication date
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2022-01-01Full publication date if available
- Authors
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Huijun Jiang, Kaien Zhai, Xiaofan Ye, Tianwei Hu, Jieming Jiang, Xiaoqiu Dong, Wei-Huai Pan, Jianwei Pan, Jianxin ShouList of authors in order
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https://doi.org/10.32604/phyton.2022.021474Publisher landing page
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YesWhether a free full text is available
- OA status
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diamondOpen access status per OpenAlex
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https://doi.org/10.32604/phyton.2022.021474Direct OA link when available
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Yucca, Endosperm, Gene, Biology, Agronomy, Botany, GeneticsTop concepts (fields/topics) attached by OpenAlex
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0Total citation count in OpenAlex
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41Number of works referenced by this work
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10Other works algorithmically related by OpenAlex
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| institutions_distinct_count | 9 |
| sustainable_development_goals[0].id | https://metadata.un.org/sdg/2 |
| sustainable_development_goals[0].score | 0.6800000071525574 |
| sustainable_development_goals[0].display_name | Zero hunger |
| citation_normalized_percentile.value | 0.05600239 |
| citation_normalized_percentile.is_in_top_1_percent | False |
| citation_normalized_percentile.is_in_top_10_percent | False |