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The Expression and Analysis of Terpene Synthesis Related Genes in Maize under the Condition of Salt Stress |
SHI Li-ping1, JI Jing1, WANG Gang1, JIN Chao1, XIE Chao1, DU Xi-long2, GUAN Chung-feng1, ZHANG Lie3, LI Chen1 |
1. School of Environmental Science and Engineering, Tianjin University, Tianjin 300072, China;
2. School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China;
3. Company of Tianjin Kerun Jinfeng Seed Industry, Tianjin 300384, China |
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Abstract Terpenes are important secondary metabolites that play a vital role in plant growth and development, some of which can be induced in response to biotic and abiotic stresses. The Tianta 5(F1) and its parent lines were treated with 200 mmol/L NaCl when they were at three-leaf stage. The qRT-PCR results showed the expression level of terpene synthase 2(TPS2), terpene synthase 3(TPS3) and geranylgeranyl diphosphate synthase 4(GGPS4) genes were up-regulated then down-regulated of all lines under salt stress, and the expression level of F1 was much higher than its parent lines.The expression level of three genes was positively correlated with the salt resistance of F2.The content and composition of carotenoids, biomass, photosynthetic indicators, content of chlorophyll and free proline were detected. The results showed that the salt tolerance of F1 was significantly higher than the parent lines. In conclusion, the high expression of TPS2, TPS3 and GGPS4 has a certain correlation with the resistance of salt and other abiotic stress of F1.
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Received: 25 February 2016
Published: 25 August 2016
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Cite this article:
SHI Li-ping, JI Jing, WANG Gang, JIN Chao, XIE Chao, DU Xi-long, GUAN Chung-feng, ZHANG Lie, LI Chen. The Expression and Analysis of Terpene Synthesis Related Genes in Maize under the Condition of Salt Stress. China Biotechnology, 2016, 36(8): 31-37.
URL:
https://manu60.magtech.com.cn/biotech/10.13523/j.cb.20160805 OR https://manu60.magtech.com.cn/biotech/Y2016/V36/I8/31
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