The Yin Yang 1 of Penaeus vannamei regulates transcription of the small subunit hemocyanin gene during Vibrio parahaemolyticus infection

Hemocyanin is a respiratory protein, it is also a multifunctional immune molecule that plays a vital role against pathogen invasion in shrimp. However, the regulation of hemocyanin gene expression in shrimp hemocytes and the mechanisms involved during pathogen infection remains unclear. Here, we use...

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Veröffentlicht in:Developmental and comparative immunology 2024-02, Vol.151, p.105087-105087, Article 105087
Hauptverfasser: Yang, Peikui, Zhao, Xianglian, Aweya, Jude Juventus, Zhang, Yueling
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Zhao, Xianglian
Aweya, Jude Juventus
Zhang, Yueling
description Hemocyanin is a respiratory protein, it is also a multifunctional immune molecule that plays a vital role against pathogen invasion in shrimp. However, the regulation of hemocyanin gene expression in shrimp hemocytes and the mechanisms involved during pathogen infection remains unclear. Here, we used DNA pull-down followed by liquid chromatography-tandem mass spectrometry (LC-MS/MS) to identify the Yin Yang 1 transcription factor homolog in Penaeus vannamei (PvYY1) as a key factor that modulates transcription of the small subunit hemocyanin gene of P. vannamei (PvHMCs) in hemocytes during Vibrio parahaemolyticus AHPND (VPAHPND) infection. Bioinformatics analysis revealed that the core promoter region of PvHMCs contains two YY1 motifs. Mutational and oligoprecipitation analyses confirmed that PvYY1 could bind to the YY1 motifs in the PvHMCs core promoter region, while truncation of PvYY1 revealed that the N-terminal domain of PvYY1 is essential for the transactivation of PvHMCs core promoter. Besides, the REPO domain of PvYY1 could repress the activity of the PvHMCs core promoter. Overexpression of PvYY1 significantly activates the promoter activity of PvHMCs core promoter, while PvYY1 knockdown significantly decreases the expression level of PvHMCs in shrimp hemocytes and survival rate of shrimp upon infection with VPAHPND. Our present study provides new insights into the transcriptional regulation of PvHMCs by PvYY1 in shrimp hemocytes during bacteria (VPAHPND) infection. •The Yin Yang 1 of P. vannamei (PvYY1) could bind the PvHMCs promoter.•PvYY1 regulate PvHMCs gene transcription by YY1 motifs on the core promoter of PvHMCs.•N-terminal domain of PvYY1 being essential for the activation of PvHMCs transcription.•PvYY1 knockdown decreased the expression level of PvHMCs and survival rate of shrimp upon infection with VPAHPND.
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However, the regulation of hemocyanin gene expression in shrimp hemocytes and the mechanisms involved during pathogen infection remains unclear. Here, we used DNA pull-down followed by liquid chromatography-tandem mass spectrometry (LC-MS/MS) to identify the Yin Yang 1 transcription factor homolog in Penaeus vannamei (PvYY1) as a key factor that modulates transcription of the small subunit hemocyanin gene of P. vannamei (PvHMCs) in hemocytes during Vibrio parahaemolyticus AHPND (VPAHPND) infection. Bioinformatics analysis revealed that the core promoter region of PvHMCs contains two YY1 motifs. Mutational and oligoprecipitation analyses confirmed that PvYY1 could bind to the YY1 motifs in the PvHMCs core promoter region, while truncation of PvYY1 revealed that the N-terminal domain of PvYY1 is essential for the transactivation of PvHMCs core promoter. Besides, the REPO domain of PvYY1 could repress the activity of the PvHMCs core promoter. 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Our present study provides new insights into the transcriptional regulation of PvHMCs by PvYY1 in shrimp hemocytes during bacteria (VPAHPND) infection. •The Yin Yang 1 of P. vannamei (PvYY1) could bind the PvHMCs promoter.•PvYY1 regulate PvHMCs gene transcription by YY1 motifs on the core promoter of PvHMCs.•N-terminal domain of PvYY1 being essential for the activation of PvHMCs transcription.•PvYY1 knockdown decreased the expression level of PvHMCs and survival rate of shrimp upon infection with VPAHPND.</description><identifier>ISSN: 0145-305X</identifier><identifier>EISSN: 1879-0089</identifier><identifier>DOI: 10.1016/j.dci.2023.105087</identifier><identifier>PMID: 37898353</identifier><language>eng</language><publisher>United States: Elsevier Ltd</publisher><subject>Hemocyanin ; Penaeus vannamei ; PvYY1 ; Transcriptional regulation ; Vibrio parahaemolyticus</subject><ispartof>Developmental and comparative immunology, 2024-02, Vol.151, p.105087-105087, Article 105087</ispartof><rights>2023</rights><rights>Copyright © 2023 Elsevier Ltd. 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subjects Hemocyanin
Penaeus vannamei
PvYY1
Transcriptional regulation
Vibrio parahaemolyticus
title The Yin Yang 1 of Penaeus vannamei regulates transcription of the small subunit hemocyanin gene during Vibrio parahaemolyticus infection
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