GhiPLATZ17 and GhiPLATZ22, zinc-dependent DNA-binding transcription factors, promote salt tolerance in upland cotton

Rehman, Abdul; Tian, Chunyan; Li, Xiawen; Wang, Xiaoyang; Li, Hongge; He, Shoupu; Jiao, Zhen; Qayyum, Abdul; Du, Xiongming; Peng, Zhen

doi:10.1007/s00299-024-03178-y

Plant Cell Rep

2024

DOI: 10.1007/s00299-024-03178-y

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GhiPLATZ17 and GhiPLATZ22, zinc-dependent DNA-binding transcription factors, promote salt tolerance in upland cotton

Abdul Rehman,

Chunyan Tian,

Xiawen Li

et al.

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2024

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Cited by 3 publications

References 96 publications

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TaWRKY55–TaPLATZ2 module negatively regulate saline–alkali stress tolerance in wheat

Wei,

Ren,

Qin

et al. 2024

JIPB

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Saline–alkaline soils are a major environmental problem that limit plant growth and crop productivity. Plasma membrane H+‐ATPases and the salt overly sensitive (SOS) signaling pathway play important roles in plant responses to saline–alkali stress. However, little is known about the functional genes and mechanisms regulating the transcription of H+‐ATPases and SOS pathway genes under saline–alkali stress. In the present study, we identified that the plant AT‐rich sequence and zinc‐binding (TaPLATZ2) transcription factor are involved in wheat response to saline–alkali stress by directly suppressing the expression of TaHA2/TaSOS3. The knockdown of TaPLATZ2 enhances salt and alkali stress tolerance, while overexpression of TaPLATZ2 leads to salt and alkali stress sensitivity in wheat. In addition, TaWRKY55 directly upregulated the expression of TaPLATZ2 during saline–alkali stress. Through knockdown and overexpression of TaWRKY55 in wheat, TaWRKY55 was shown to negatively modulate salt and alkali stress tolerance. Genetic analyses confirmed that TaPLATZ2 functions downstream of TaWRKY55 in response to salt and alkaline stresses. These findings provide a TaWRKY55–TaPLATZ2–TaHA2/TaSOS3 regulatory module that regulates wheat responses to saline–alkali stress.

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TaWRKY55–TaPLATZ2 module negatively regulate saline–alkali stress tolerance in wheat

Wei,

Ren,

Qin

et al. 2024

JIPB

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Comprehensive analysis of PLATZ family genes and their responses to abiotic stresses in Barley

Feng,

Zhu,

Meng

et al. 2024

BMC Plant Biol

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Identification and Functional Characterization of Abiotic Stress Tolerance-Related PLATZ Transcription Factor Family in Barley (Hordeum vulgare L.)

Cai,

Song,

Yue

et al. 2024

IJMS

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Plant AT-rich sequence and zinc-binding proteins (PLATZs) are a novel category of plant-specific transcription factors involved in growth, development, and abiotic stress responses. However, the PLATZ gene family has not been identified in barley. In this study, a total of 11 HvPLATZs were identified in barley, and they were unevenly distributed on five of the seven chromosomes. The phylogenetic tree, incorporating PLATZs from Arabidopsis, rice, maize, wheat, and barley, could be classified into six clusters, in which HvPLATZs are absent in Cluster VI. HvPLATZs exhibited conserved motif arrangements with a characteristic PLATZ domain. Two segmental duplication events were observed among HvPLATZs. All HvPLATZs were core genes present in 20 genotypes of the barley pan-genome. The HvPLATZ5 coding sequences were conserved among 20 barley genotypes, whereas HvPLATZ4/9/10 exhibited synonymous single nucleotide polymorphisms (SNPs); the remaining ones showed nonsynonymous variations. The expression of HvPLATZ2/3/8 was ubiquitous in various tissues, whereas HvPLATZ7 appeared transcriptionally silent; the remaining genes displayed tissue-specific expression. The expression of HvPLATZs was modulated by salt stress, potassium deficiency, and osmotic stress, with response patterns being time-, tissue-, and stress type-dependent. The heterologous expression of HvPLATZ3/5/6/8/9/10/11 in yeast enhanced tolerance to salt and osmotic stress, whereas the expression of HvPLATZ2 compromised tolerance. These results advance our comprehension and facilitate further functional characterization of HvPLATZs.

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GhiPLATZ17 and GhiPLATZ22, zinc-dependent DNA-binding transcription factors, promote salt tolerance in upland cotton

Cited by 3 publications

References 96 publications

TaWRKY55–TaPLATZ2 module negatively regulate saline–alkali stress tolerance in wheat

TaWRKY55–TaPLATZ2 module negatively regulate saline–alkali stress tolerance in wheat

Comprehensive analysis of PLATZ family genes and their responses to abiotic stresses in Barley

Identification and Functional Characterization of Abiotic Stress Tolerance-Related PLATZ Transcription Factor Family in Barley (Hordeum vulgare L.)

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