Molecular cloning and characterization of the STAT gene in Hyphantria cunea haemocytes

A new insect member of the signal transducer and activator of transcription (STAT) family of transcription factors, Hyphantria cunea STAT (HcSTAT), was cloned from the lepidopteran H. cunea. The domain involved in DNA interaction and the Src homology 2 (SH2) domain were well conserved. During all de...

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Veröffentlicht in:Insect molecular biology 2011-12, Vol.20 (6), p.723-732
Hauptverfasser: Kim, H. J, Kwon, Y. M, Kim, Y. I, Lee, I. H, Jin, B. R, Han, Y. S, Cheon, H. M, Kang, Y. J, Seo, S. J
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container_end_page 732
container_issue 6
container_start_page 723
container_title Insect molecular biology
container_volume 20
creator Kim, H. J
Kwon, Y. M
Kim, Y. I
Lee, I. H
Jin, B. R
Han, Y. S
Cheon, H. M
Kang, Y. J
Seo, S. J
description A new insect member of the signal transducer and activator of transcription (STAT) family of transcription factors, Hyphantria cunea STAT (HcSTAT), was cloned from the lepidopteran H. cunea. The domain involved in DNA interaction and the Src homology 2 (SH2) domain were well conserved. During all developmental stages, the gene was expressed at a low level in the haemocytes, fat body cells, midgut, epidermis and Malpighian tubules. The haemocytes and Malpighian tubules showed transcriptional activation of HcSTAT upon Gram‐negative and Gram‐positive bacterial challenges. These challenges increased the induction and nuclear translocation of the HcSTAT protein that recognizes a STAT target site in H. cunea haemocytes. In vivo treatment with sodium orthovanadate translocated HcSTAT to the haemocyte nucleus. This study shows the involvement of the haemocyte Janus kinase/STAT pathway after microbial infection in lepidopteran insects.
doi_str_mv 10.1111/j.1365-2583.2011.01102.x
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J ; Kwon, Y. M ; Kim, Y. I ; Lee, I. H ; Jin, B. R ; Han, Y. S ; Cheon, H. M ; Kang, Y. J ; Seo, S. J</creator><creatorcontrib>Kim, H. J ; Kwon, Y. M ; Kim, Y. I ; Lee, I. H ; Jin, B. R ; Han, Y. S ; Cheon, H. M ; Kang, Y. J ; Seo, S. J</creatorcontrib><description>A new insect member of the signal transducer and activator of transcription (STAT) family of transcription factors, Hyphantria cunea STAT (HcSTAT), was cloned from the lepidopteran H. cunea. The domain involved in DNA interaction and the Src homology 2 (SH2) domain were well conserved. During all developmental stages, the gene was expressed at a low level in the haemocytes, fat body cells, midgut, epidermis and Malpighian tubules. The haemocytes and Malpighian tubules showed transcriptional activation of HcSTAT upon Gram‐negative and Gram‐positive bacterial challenges. These challenges increased the induction and nuclear translocation of the HcSTAT protein that recognizes a STAT target site in H. cunea haemocytes. In vivo treatment with sodium orthovanadate translocated HcSTAT to the haemocyte nucleus. This study shows the involvement of the haemocyte Janus kinase/STAT pathway after microbial infection in lepidopteran insects.</description><identifier>ISSN: 0962-1075</identifier><identifier>EISSN: 1365-2583</identifier><identifier>DOI: 10.1111/j.1365-2583.2011.01102.x</identifier><identifier>PMID: 21958414</identifier><language>eng</language><publisher>Oxford, UK: Blackwell Publishing Ltd</publisher><subject>Animals ; Candida albicans - immunology ; Cloning, Molecular ; Developmental stages ; DNA ; Epidermis ; Escherichia coli - immunology ; Fat body ; genes ; Genes, Insect ; haemocyte ; Hemocytes ; Hemocytes - metabolism ; Hemocytes - microbiology ; Homology ; Hyphantria cunea ; Infection ; Janus kinase ; Larva - genetics ; Larva - immunology ; Larva - microbiology ; Lepidoptera ; Malpighian tubules ; Micrococcus luteus - immunology ; Midgut ; molecular cloning ; Moths - genetics ; Moths - immunology ; Moths - microbiology ; non-specific protein-tyrosine kinase ; Nuclear transport ; Pupa - genetics ; Pupa - immunology ; Pupa - microbiology ; RNA, Messenger - metabolism ; Sequence Analysis, DNA ; SH2 domain ; signal transducers and activators of transcription (STATs) ; sodium ; sodium orthovanadate ; Src protein ; STAT Transcription Factors - genetics ; STAT Transcription Factors - isolation &amp; purification ; STAT Transcription Factors - metabolism ; Transcription activation ; Transcription factors ; transcriptional activation</subject><ispartof>Insect molecular biology, 2011-12, Vol.20 (6), p.723-732</ispartof><rights>2011 The Authors. 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J</creatorcontrib><creatorcontrib>Kwon, Y. M</creatorcontrib><creatorcontrib>Kim, Y. I</creatorcontrib><creatorcontrib>Lee, I. H</creatorcontrib><creatorcontrib>Jin, B. R</creatorcontrib><creatorcontrib>Han, Y. S</creatorcontrib><creatorcontrib>Cheon, H. M</creatorcontrib><creatorcontrib>Kang, Y. J</creatorcontrib><creatorcontrib>Seo, S. J</creatorcontrib><title>Molecular cloning and characterization of the STAT gene in Hyphantria cunea haemocytes</title><title>Insect molecular biology</title><addtitle>Insect Mol Biol</addtitle><description>A new insect member of the signal transducer and activator of transcription (STAT) family of transcription factors, Hyphantria cunea STAT (HcSTAT), was cloned from the lepidopteran H. cunea. The domain involved in DNA interaction and the Src homology 2 (SH2) domain were well conserved. During all developmental stages, the gene was expressed at a low level in the haemocytes, fat body cells, midgut, epidermis and Malpighian tubules. The haemocytes and Malpighian tubules showed transcriptional activation of HcSTAT upon Gram‐negative and Gram‐positive bacterial challenges. These challenges increased the induction and nuclear translocation of the HcSTAT protein that recognizes a STAT target site in H. cunea haemocytes. In vivo treatment with sodium orthovanadate translocated HcSTAT to the haemocyte nucleus. 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The haemocytes and Malpighian tubules showed transcriptional activation of HcSTAT upon Gram‐negative and Gram‐positive bacterial challenges. These challenges increased the induction and nuclear translocation of the HcSTAT protein that recognizes a STAT target site in H. cunea haemocytes. In vivo treatment with sodium orthovanadate translocated HcSTAT to the haemocyte nucleus. This study shows the involvement of the haemocyte Janus kinase/STAT pathway after microbial infection in lepidopteran insects.</abstract><cop>Oxford, UK</cop><pub>Blackwell Publishing Ltd</pub><pmid>21958414</pmid><doi>10.1111/j.1365-2583.2011.01102.x</doi><tpages>10</tpages></addata></record>
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subjects Animals
Candida albicans - immunology
Cloning, Molecular
Developmental stages
DNA
Epidermis
Escherichia coli - immunology
Fat body
genes
Genes, Insect
haemocyte
Hemocytes
Hemocytes - metabolism
Hemocytes - microbiology
Homology
Hyphantria cunea
Infection
Janus kinase
Larva - genetics
Larva - immunology
Larva - microbiology
Lepidoptera
Malpighian tubules
Micrococcus luteus - immunology
Midgut
molecular cloning
Moths - genetics
Moths - immunology
Moths - microbiology
non-specific protein-tyrosine kinase
Nuclear transport
Pupa - genetics
Pupa - immunology
Pupa - microbiology
RNA, Messenger - metabolism
Sequence Analysis, DNA
SH2 domain
signal transducers and activators of transcription (STATs)
sodium
sodium orthovanadate
Src protein
STAT Transcription Factors - genetics
STAT Transcription Factors - isolation & purification
STAT Transcription Factors - metabolism
Transcription activation
Transcription factors
transcriptional activation
title Molecular cloning and characterization of the STAT gene in Hyphantria cunea haemocytes
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