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In silico promoter ...
In silico promoter analysis and functional validation identify CmZFH, the co-regulator of hypoxia-responsive genes CmScylla and CmLPCAT
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- He, Li (författare)
- Huazhong Agr Univ, Coll Plant Sci & Technol, Hubei Insect Resources Utilizat & Sustainable Pes, Wuhan 430070, Peoples R China.;Texas A&M Univ, Dept Entomol, College Stn, TX 77843 USA.;Texas A&M Univ, Inst Plant Genom & Biotechnol, College Stn, TX 77843 USA.
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- Chen, Ivy W. (författare)
- Texas A&M Univ, Dept Entomol, College Stn, TX 77843 USA.;Texas A&M Univ, Inst Plant Genom & Biotechnol, College Stn, TX 77843 USA.
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- Zhang, Zan (författare)
- Southwest Univ, Acad Agr Sci, Coll Plant Protect, Key Lab Entomol & Pest Control Engn, Chongqing 400716, Peoples R China.
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- Zheng, Wenping (författare)
- Huazhong Agr Univ, Coll Plant Sci & Technol, Inst Urban & Hort Entomol, Key Lab Hort Plant Biol MOE, Wuhan 430070, Peoples R China.
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- Sayadi, Ahmed (författare)
- Uppsala universitet,Zooekologi
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- Wang, Lei (författare)
- Texas A&M Univ, Dept Entomol, College Stn, TX 77843 USA.;Texas A&M Univ, Inst Plant Genom & Biotechnol, College Stn, TX 77843 USA.;Jiangsu Univ Sci & Technol, Sch Grain Sci & Technol, Zhenjiang 212100, Jiangsu, Peoples R China.
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- Sang, Wen (författare)
- Texas A&M Univ, Dept Entomol, College Stn, TX 77843 USA.;Texas A&M Univ, Inst Plant Genom & Biotechnol, College Stn, TX 77843 USA.;South China Agr Univ, Dept Entomol, Guangzhou 510640, Peoples R China.
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- Ji, Rui (författare)
- Texas A&M Univ, Dept Entomol, College Stn, TX 77843 USA.;Texas A&M Univ, Inst Plant Genom & Biotechnol, College Stn, TX 77843 USA.;Jiangsu Acad Agr Sci, Inst Plant Protect, Jiangsu Key Lab Food & Safety State Key Lab Culti, Nanjing 210014, Peoples R China.
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- Lei, Jiaxin (författare)
- Texas A&M Univ, Dept Entomol, College Stn, TX 77843 USA.;Texas A&M Univ, Inst Plant Genom & Biotechnol, College Stn, TX 77843 USA.
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- Arnqvist, Göran, Professor, 1961- (författare)
- Uppsala universitet,Zooekologi
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- Lei, Chaoliang (författare)
- Huazhong Agr Univ, Coll Plant Sci & Technol, Hubei Insect Resources Utilizat & Sustainable Pes, Wuhan 430070, Peoples R China.
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- Zhu-Salzman, Keyan (författare)
- Texas A&M Univ, Dept Entomol, College Stn, TX 77843 USA.;Texas A&M Univ, Inst Plant Genom & Biotechnol, College Stn, TX 77843 USA.
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Huazhong Agr Univ, Coll Plant Sci & Technol, Hubei Insect Resources Utilizat & Sustainable Pes, Wuhan 430070, Peoples R China;Texas A&M Univ, Dept Entomol, College Stn, TX 77843 USA.;Texas A&M Univ, Inst Plant Genom & Biotechnol, College Stn, TX 77843 USA. Texas A&M Univ, Dept Entomol, College Stn, TX 77843 USA.;Texas A&M Univ, Inst Plant Genom & Biotechnol, College Stn, TX 77843 USA. (creator_code:org_t)
- Elsevier, 2022
- 2022
- Engelska.
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Ingår i: Insect Biochemistry and Molecular Biology. - : Elsevier. - 0965-1748 .- 1879-0240. ; 140
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Oxygen (O2) plays an essential role in aerobic organisms including terrestrial insects. Under hypoxic stress, the cowpea bruchid (Callosobruchus maculatus) ceases feeding and growth. However, larvae, particularly 4th instar larvae exhibit very high tolerance to hypoxia and can recover normal growth once brought to normoxia. To better understand the molecular mechanism that enables insects to cope with low O2 stress, we performed RNA-seq to distinguish hypoxia-responsive genes in midguts and subsequently identified potential common cis-elements in promoters of hypoxia-induced and -repressed genes, respectively. Selected elements were subjected to gel-shift and transient transfection assays to confirm their cis-regulatory function. Of these putative common cis-elements, AREB6 appeared to regulate the expression of CmLPCAT and CmScylla, two hypoxia-induced genes. CmZFH, the putative AREB6-binding protein, was hypoxia-inducible. Transient expression of CmZFH in Drosophila S2 cells activated CmLPCAT and CmScylla, and their induction was likely through interaction of CmZFH with AREB6. Binding to AREB6 was further confirmed by bacterially expressed CmZFH recombinant protein. Deletion analyses indicated that the N-terminal zinc-finger cluster of CmZFH was the key AREB6-binding domain. Through in silico and experimental exploration, we discovered novel transcriptional regulatory components associated with gene expression dynamics under hypoxia that facilitated insect survival.
Ämnesord
- NATURVETENSKAP -- Biologi -- Biokemi och molekylärbiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Biochemistry and Molecular Biology (hsv//eng)
- NATURVETENSKAP -- Biologi -- Genetik (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Genetics (hsv//eng)
Nyckelord
- Callosobruchus maculatus
- Hypoxia
- Common cis-element
- AREB6
- CmZFH
- Zinc-finger duster
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He, Li
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Chen, Ivy W.
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Zhang, Zan
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Zheng, Wenping
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Sayadi, Ahmed
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Wang, Lei
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Sang, Wen
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Ji, Rui
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Lei, Jiaxin
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Arnqvist, Göran, ...
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Lei, Chaoliang
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Zhu-Salzman, Key ...
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Insect Biochemis ...
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Uppsala universitet