Characteristics and expression of genes encoding two small heat shock protein genes lacking introns from Chilo suppressalis
Abstract Small heat shock proteins (sHSPs) constitute a large, diverse, and functionally uncharacterized family of heat shock proteins. To gain insight regarding the function of sHSPs in insects, we identified genes encoding two sHSPs, Cshsp22.9b and Cshsp24.3, from the rice pest Chilo suppressalis. The cDNAs of Cshsp22.9b and Cshsp24.3 encoded proteins of 206 and 216 amino acids with isoelectric points of 5.79 and 9.28, respectively. Further characterization indicated that both Cshsp22.9b and Cshsp24.3 lacked introns. Real-time quantitative PCR indicated that Cshsp22.9b and Cshsp24.3 were expressed at higher levels within the fat body as compared to other tissues (head, epidermis, foregut, midgut, hindgut, Malpighian tubules, and hemocytes). Expression of Cshsp22.9b and Cshsp24.3 was lowest in the hindgut and Malpighian tubules, respectively. Cshsp22.9b and Cshsp24.3 showed identical patterns in response to thermal stress from −11 to 43 °C, and both genes were up-regulated by hot and cold temperatures. The mRNA (messenger ribonucleic acid) expression levels of Cshsp22.9b (KY701308) and Cshsp24.3 (KY701309) were highest after a 2-h exposure at 39 °C and started to decline at 42 °C. In response to cold temperatures, both Cshsp22.9b and Cshsp24.3 showed maximal expression after a 2-h exposure to −3 °C. The two Cshsps were more responsive to hot than cold temperature stress and were not induced by mildly cold or warm temperatures. In conclusion, Cshsp22.9b and Cshsp24.3 could play a very important role in the regulation of physiological activities in C. suppressalis that are impacted by environmental stimuli..
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2017 |
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| Erschienen: |
2017 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:23 |
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| Enthalten in: |
Cell stress & chaperones - 23(2017), 1 vom: 07. Juli, Seite 55-64 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Pan, Dan-Dan [VerfasserIn] |
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| Links: |
Volltext [lizenzpflichtig] |
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| Themen: |
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| Anmerkungen: |
© Cell Stress Society International 2017 |
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| doi: |
10.1007/s12192-017-0823-8 |
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| funding: |
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| 245 | 1 | 0 | |a Characteristics and expression of genes encoding two small heat shock protein genes lacking introns from Chilo suppressalis |
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| 520 | |a Abstract Small heat shock proteins (sHSPs) constitute a large, diverse, and functionally uncharacterized family of heat shock proteins. To gain insight regarding the function of sHSPs in insects, we identified genes encoding two sHSPs, Cshsp22.9b and Cshsp24.3, from the rice pest Chilo suppressalis. The cDNAs of Cshsp22.9b and Cshsp24.3 encoded proteins of 206 and 216 amino acids with isoelectric points of 5.79 and 9.28, respectively. Further characterization indicated that both Cshsp22.9b and Cshsp24.3 lacked introns. Real-time quantitative PCR indicated that Cshsp22.9b and Cshsp24.3 were expressed at higher levels within the fat body as compared to other tissues (head, epidermis, foregut, midgut, hindgut, Malpighian tubules, and hemocytes). Expression of Cshsp22.9b and Cshsp24.3 was lowest in the hindgut and Malpighian tubules, respectively. Cshsp22.9b and Cshsp24.3 showed identical patterns in response to thermal stress from −11 to 43 °C, and both genes were up-regulated by hot and cold temperatures. The mRNA (messenger ribonucleic acid) expression levels of Cshsp22.9b (KY701308) and Cshsp24.3 (KY701309) were highest after a 2-h exposure at 39 °C and started to decline at 42 °C. In response to cold temperatures, both Cshsp22.9b and Cshsp24.3 showed maximal expression after a 2-h exposure to −3 °C. The two Cshsps were more responsive to hot than cold temperature stress and were not induced by mildly cold or warm temperatures. In conclusion, Cshsp22.9b and Cshsp24.3 could play a very important role in the regulation of physiological activities in C. suppressalis that are impacted by environmental stimuli. | ||
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| 700 | 1 | |a Lu, Ming-Xing |4 aut | |
| 700 | 1 | |a Li, Qiu-Yu |4 aut | |
| 700 | 1 | |a Du, Yu-Zhou |4 aut | |
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