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240114s2024 xx |||||o 00| ||eng c |
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|a 10.1016/j.plantsci.2023.111973
|2 doi
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|a pubmed25n1222.xml
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|a (PII)S0168-9452(23)00390-4
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|e rakwb
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|a eng
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|a Gong, Qianyuan
|e verfasserin
|4 aut
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|a Transcription factor MYB8 regulates iron deficiency stress response in Arabidopsis
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|c 2024
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|a Text
|b txt
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 14.02.2024
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|a Date Revised 14.02.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2024 Elsevier B.V. All rights reserved.
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|a Iron (Fe) is a crucial microelement for humans, animals, and plants. Insufficient Fe levels in plants impede growth and diminish photosynthesis, thus decreasing crop production. Notably, approximately one-third of the soil worldwide is alkaline and prone to Fe deficiency. Therefore, understanding the mechanisms underlying Fe absorption and transportation in plants can enhance Fe bioavailability in crops. In this study, the role of the transcription factor MYB8 in plant response to Fe deficiency in Arabidopsis was investigated via reverse genetics. Phenotype analysis revealed that the functional deletion mutant of MYB8 gene exhibited sensitivity to Fe deficiency stress, as indicated by shorter root length, lower chlorophyll content, and Fe concentration. Conversely, MYB8 overexpression strain showed a tolerant phenotype. Furthermore, qRT-PCR identified possible downstream MYB8-regulated genes. Moreover, MYB8 regulated the expression of iron-regulated transporter 1 (IRT1) by binding to the MYB binding sites motif ('AACAAAC') in its promoter
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|a Journal Article
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|a Arabidopsis
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|a Fe deficiency
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|a MYB binding sites
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|a Microelement
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|a Transcription factor
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|a Arabidopsis Proteins
|2 NLM
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|a Iron
|2 NLM
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|a E1UOL152H7
|2 NLM
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|a Transcription Factors
|2 NLM
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|a Zhou, Mengjie
|e verfasserin
|4 aut
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|a Li, Xiao
|e verfasserin
|4 aut
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| 700 |
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|a Guo, Yuanbiao
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant science : an international journal of experimental plant biology
|d 1985
|g 340(2024) vom: 01. März, Seite 111973
|w (DE-627)NLM098174193
|x 1873-2259
|7 nnas
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|g volume:340
|g year:2024
|g day:01
|g month:03
|g pages:111973
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|u http://dx.doi.org/10.1016/j.plantsci.2023.111973
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