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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1093/jxb/eraa497
|2 doi
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|a pubmed25n1055.xml
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|a DE-627
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|e rakwb
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|a eng
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|a Zhou, Hui
|e verfasserin
|4 aut
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| 245 |
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|a HIGH-TILLERING AND DWARF 12 modulates photosynthesis and plant architecture by affecting carotenoid biosynthesis in rice
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|c 2021
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 20.05.2021
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|a Date Revised 31.05.2022
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|a published: Print
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|a Citation Status MEDLINE
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|a © The Author(s) 2020. Published by Oxford University Press on behalf of the Society for Experimental Biology. All rights reserved. For permissions, please email: journals.permissionsoup.com.
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|a Photosynthesis and plant architecture are important factors influencing grain yield in rice (Oryza sativa L.). Here, we identified a high-tillering and dwarf 12 (htd12) mutant and analyzed the effects of the HTD12 mutation on these important factors. HTD12 encodes a 15-cis-ζ-carotene isomerase (Z-ISO) belonging to the nitrite and nitric oxide reductase U (NnrU) protein family, as revealed by positional mapping and transformation experiments. Sequence analysis showed that a single nucleotide transition from guanine (G) to adenine (A) in the 3' acceptor site between the first intron and second exon of HTD12 alters its mRNA splicing in htd12 plants, resulting in a 49-amino acid deletion that affects carotenoid biosynthesis and photosynthesis. In addition, compared with the wild type, htd12 had significantly lower concentrations of ent-2'-epi-5-deoxystrigol (epi-5DS), a native strigolactone, in both roots and root exudates, resulting in an obvious increase in tiller number and decrease in plant height. These findings indicate that HTD12, the rice homolog of Z-ISO, regulates chloroplast development and photosynthesis by functioning in carotenoid biosynthesis, and modulates plant architecture by affecting strigolactone concentrations
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Carotenoids
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4 |
|a Z-ISO
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| 650 |
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4 |
|a photosynthesis
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| 650 |
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4 |
|a plant architecture
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| 650 |
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4 |
|a rice
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| 650 |
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4 |
|a strigolactones
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| 650 |
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|a Plant Proteins
|2 NLM
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| 650 |
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7 |
|a Carotenoids
|2 NLM
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| 650 |
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7 |
|a 36-88-4
|2 NLM
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| 650 |
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|a cis-trans-Isomerases
|2 NLM
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| 650 |
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7 |
|a EC 5.2.-
|2 NLM
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| 700 |
1 |
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|a Yang, Mai
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhao, Lei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhu, Zuofeng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Fengxia
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sun, Hongying
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sun, Chuanqing
|e verfasserin
|4 aut
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| 700 |
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|a Tan, Lubin
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of experimental botany
|d 1985
|g 72(2021), 4 vom: 24. Feb., Seite 1212-1224
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnas
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| 773 |
1 |
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|g volume:72
|g year:2021
|g number:4
|g day:24
|g month:02
|g pages:1212-1224
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| 856 |
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|u http://dx.doi.org/10.1093/jxb/eraa497
|3 Volltext
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