The role of HD‐Zip class I transcription factors in plant response to abiotic stresses

Gong, Shaohua; Ding, Yanfei; Hu, Shanshan; Ding, Lin‐Fen; Chen, Zhixiang; C, Zhu

doi:10.1111/ppl.12965

Cited by 64 publications

(52 citation statements)

References 86 publications

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“…The isolation of the first HD-containing gene, maize KNOTTED1 marked the discovery of several HD-ZIP TFs which were identified and characterized in model and crop plants through genome-wide analyses [ 141 , 142 , 143 , 144 , 145 , 146 ]. Further studies showed that HD-Zip TFs are actively involved in transcriptional regulation of abiotic stress responses, light, and hormonal (ABA, auxin, and ethylene) signal transduction, and plant growth and development [ 119 , 147 , 148 , 149 , 150 , 151 , 152 , 153 , 154 , 155 , 156 ]. Various members of subfamilies were identified with roles in developmental networks [ 6 , 152 , 155 ].…”

Section: Molecular Structure and Regulation Of Transcription Factors During Drought And Associated Stressesmentioning

confidence: 99%

Plant Transcription Factors Involved in Drought and Associated Stresses

Hrmová

Hussain

2021

IJMS

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Transcription factors (TFs) play a significant role in signal transduction networks spanning the perception of a stress signal and the expression of corresponding stress-responsive genes. TFs are multi-functional proteins that may simultaneously control numerous pathways during stresses in plants—this makes them powerful tools for the manipulation of regulatory and stress-responsive pathways. In recent years, the structure-function relationships of numerous plant TFs involved in drought and associated stresses have been defined, which prompted devising practical strategies for engineering plants with enhanced stress tolerance. Vast data have emerged on purposely basic leucine zipper (bZIP), WRKY, homeodomain-leucine zipper (HD-Zip), myeloblastoma (MYB), drought-response elements binding proteins/C-repeat binding factor (DREB/CBF), shine (SHN), and wax production-like (WXPL) TFs that reflect the understanding of their 3D structure and how the structure relates to function. Consequently, this information is useful in the tailored design of variant TFs that enhances our understanding of their functional states, such as oligomerization, post-translational modification patterns, protein-protein interactions, and their abilities to recognize downstream target DNA sequences. Here, we report on the progress of TFs based on their interaction pathway participation in stress-responsive networks, and pinpoint strategies and applications for crops and the impact of these strategies for improving plant stress tolerance.

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Section: Molecular Structure and Regulation Of Transcription Factors During Drought And Associated Stressesmentioning

confidence: 99%

Plant Transcription Factors Involved in Drought and Associated Stresses

Hrmová

Hussain

2021

IJMS

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“…3e). C2H2, HD-Zip and NAC TFs are widely known as key regulators of multiple abiotic stresses in plants, including drought, salinity, cold, and heat stress [47][48][49][50][51][52]. Likewise, ERFs are ethylene-responsive TFs that have been described as hubs in abiotic stress-related gene regulatory networks [53][54][55].…”

Section: Biotic and Abiotic Stresses Shaped The Cis-regulatory Elemenmentioning

confidence: 99%

Pathogenesis-related protein 1 (PR-1) genes in soybean: genome-wide identification, structural analysis and expression profiling under multiple biotic and abiotic stresses

Almeida‐Silva

Venancio

2021

Preprint

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Plant pathogenesis-related (PR) proteins are a large group of proteins, classified in 17 families, that are induced by pathological conditions. Here, we characterized the soybean PR-1 (GmPR-1) gene repertoire at the sequence, structural and expression levels. We found 24 GmPR-1 genes, clustered in two phylogenetic groups. GmPR-1 genes are under strong purifying selection, particularly those that emerged by tandem duplications. GmPR-1 promoter regions are abundant in cis-regulatory elements associated with major stress-related transcription factor families, namely WRKY, ERF, HD-Zip, C2H2, NAC, and GATA. We observed that 23 GmPR-1 genes are induced by stress conditions or exclusively expressed upon stress. We explored 1972 transcriptome samples, including 26 stress conditions, revealing that most GmPR-1 genes are differentially expressed in a plethora of biotic and abiotic stresses. Our findings highlight stress-responsive GmPR-1 genes with potential biotechnological applications, such as the development of transgenic lines with increased resistance to biotic and abiotic stresses.

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“…Transcription factors (TFs) are important components of stress signal transduction pathways (Century et al, 2008). Many TFs have been shown to play key roles in the response to salt stress in plants (Chen et al, 2019;Gong et al, 2019). Plants contain a large spectrum Shuang Zhao and Haibo Wang contributed equally to this study.…”

Section: Introductionmentioning

confidence: 99%

“…of TFs in their genomes, including the plant-specific HD-Zip TFs (Gong et al, 2019). The major defining features of the HD-Zip TFs are their highly conserved HD and Zip domains (Henriksson, 2005).…”

Section: Introductionmentioning

confidence: 99%

The HD‐Zip I transcription factor MdHB7‐like confers tolerance to salinity in transgenic apple (Malus domestica)

Zhao

Wang

Jia

et al. 2021

Physiologia Plantarum

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Salinity is a major environmental constraint that substantially limits global agricultural productivity. HD-Zip I transcription factors are involved in plant responses to salt stress, but little is known about the HD-Zip I genes in apple (Malus domestica). Here, we characterized the function of an apple HD-Zip I gene (MdHB7-like) and report that its expression is induced by salt stress. To further explore its role in salt stress, we created MdHB7-like overexpressing and RNAi transgenic apple plants. The overexpression of MdHB7-like improved the photosynthetic performance and reduced ROS and Na + accumulation under salt stress. Plants that overexpressed MdHB7-like also showed increased accumulation of proline and soluble sugars, which may have played an important role in their salt stress tolerance. RNAi suppression of MdHB7-like had the opposite effects. Together, our results demonstrate that MdHB7-like is an important regulator of salt tolerance in apple. Our results provide new insights for future research on the mechanisms by which MdHB7-like promotes salt tolerance and provide a potential target for molecular breeding in apple.

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The role of HD‐Zip class I transcription factors in plant response to abiotic stresses

Cited by 64 publications

References 86 publications

Plant Transcription Factors Involved in Drought and Associated Stresses

Plant Transcription Factors Involved in Drought and Associated Stresses

Pathogenesis-related protein 1 (PR-1) genes in soybean: genome-wide identification, structural analysis and expression profiling under multiple biotic and abiotic stresses

The HD‐Zip I transcription factor MdHB7‐like confers tolerance to salinity in transgenic apple (Malus domestica)

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