PhePLATZ1, a PLATZ transcription factor in moso bamboo (Phyllostachys edulis), improves drought resistance of transgenic Arabidopsis thaliana

Zhang, Kaimei; Lan, Yangang; Wu, Min; Wang, Linna; Liu, Hongxia; Xiang, Yan

doi:10.1016/j.plaphy.2022.07.004

Cited by 15 publications

(3 citation statements)

References 91 publications

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“…Accordingly, research on the development of drought‐tolerant crop plants is of critical importance. Accumulating evidence has revealed the important roles of PLATZs in response to environmental stimuli (González‐Morales et al., 2016; Liu et al., 2020; K. Zhang et al., 2022; S. Zhang et al., 2018). There are many PLATZ members in each plant species.…”

Section: Discussionmentioning

confidence: 99%

“…By contrast, GmPLATZ17 reduces the drought tolerance of Glycine max (soybean) through suppressing the transcription of GmDREB5 (Zhao et al., 2022), suggesting that PLATZ s also play different roles in regulating drought tolerance. Structurally, PLATZs consist of the N‐terminal conservative zinc‐binding motif, the 60–65 amino acid intervening sequence, and the central conservative zinc‐binding motif, which are required for their zinc‐dependent DNA binding capability (Zhang et al., 2022). These highly conserved motifs may suggest the redundant role between PLATZ members.…”

Section: Discussionmentioning

confidence: 99%

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Regulation of drought tolerance in Arabidopsis involves the PLATZ4‐mediated transcriptional repression of plasma membrane aquaporin PIP2;8

et al. 2023

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SUMMARY Plant A/T‐rich protein and zinc‐binding protein (PLATZ) transcription factors play important roles in plant growth, development and abiotic stress responses. However, how PLATZ influences plant drought tolerance remains poorly understood. The present study showed that PLATZ4 increased drought tolerance in Arabidopsis thaliana by causing stomatal closure. Transcriptional profiling analysis revealed that PLATZ4 affected the expression of a set of genes involved in water and ion transport, antioxidant metabolism, small peptides and abscisic acid (ABA) signaling. Among these genes, the direct binding of PLATZ4 to the A/T‐rich sequences in the plasma membrane intrinsic protein 2;8 (PIP2;8) promoter was identified. PIP2;8 consistently reduced drought tolerance in Arabidopsis through inhibiting stomatal closure. PIP2;8 was localized in the plasma membrane, exhibited water channel activity in Xenopus laevis oocytes and acted epistatically to PLATZ4 in regulating the drought stress response in Arabidopsis. PLATZ4 increased ABA sensitivity through upregulating the expression of ABSCISIC ACID INSENSITIVE 3 (ABI3), ABI4 and ABI5. The transcripts of PLATZ4 were induced to high levels in vegetative seedlings under drought and ABA treatments within 6 and 3 h, respectively. Collectively, these findings reveal that PLATZ4 positively influences plant drought tolerance through regulating the expression of PIP2;8 and genes involved in ABA signaling.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Regulation of drought tolerance in Arabidopsis involves the PLATZ4‐mediated transcriptional repression of plasma membrane aquaporin PIP2;8

et al. 2023

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“…Thus, efficient water transport capacity was the basis for bamboo growth. Many TFs of moso bamboo have been reported to be involved in response to stress, such as PeTCP10, PhebZIP47, and PhePLATZ1 playing positive regulatory roles in drought resistance (Liu et al ., 2020; K. Zhang et al ., 2022; Lan et al ., 2023). Recent evidence has proposed a novel hypothesis regarding the mechanisms of nonstructural carbohydrate and water balance during the rapid growth of bamboo shoots, with the involvement of aquaporins (Sun et al ., 2018).…”

Section: Introductionmentioning

confidence: 99%

A bamboo ‘PeSAPK4‐PeMYB99‐PeTIP4‐3’ regulatory model involved in water transport

Zhu,

Lin,

Yang

et al. 2024

New Phytologist

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Summary Water plays crucial roles in expeditious growth and osmotic stress of bamboo. Nevertheless, the molecular mechanism of water transport remains unclear. In this study, an aquaporin gene, PeTIP4‐3, was identified through a joint analysis of root pressure and transcriptomic data in moso bamboo (Phyllostachys edulis). PeTIP4‐3 was highly expressed in shoots, especially in the vascular bundle sheath cells. Overexpression of PeTIP4‐3 could increase drought and salt tolerance in transgenic yeast and rice. A co‐expression pattern of PeSAPK4, PeMYB99 and PeTIP4‐3 was revealed by WGCNA. PeMYB99 exhibited an ability to independently bind to and activate PeTIP4‐3, which augmented tolerance to drought and salt stress. PeSAPK4 could interact with and phosphorylate PeMYB99 in vivo and in vitro, wherein they synergistically accelerated PeTIP4‐3 transcription. Overexpression of PeMYB99 and PeSAPK4 also conferred drought and salt tolerance in transgenic rice. Further ABA treatment analysis indicated that PeSAPK4 enhanced water transport in response to stress via ABA signaling. Collectively, an ABA‐mediated cascade of PeSAPK4‐PeMYB99‐PeTIP4‐3 is proposed, which governs water transport in moso bamboo.

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

Rehman,

Tian,

et al. 2024

Plant Cell Rep

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PhePLATZ1, a PLATZ transcription factor in moso bamboo (Phyllostachys edulis), improves drought resistance of transgenic Arabidopsis thaliana

Cited by 15 publications

References 91 publications

Regulation of drought tolerance in Arabidopsis involves the PLATZ4‐mediated transcriptional repression of plasma membrane aquaporin PIP2;8

Regulation of drought tolerance in Arabidopsis involves the PLATZ4‐mediated transcriptional repression of plasma membrane aquaporin PIP2;8

A bamboo ‘PeSAPK4‐PeMYB99‐PeTIP4‐3’ regulatory model involved in water transport

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

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