Cloning and expression analysis of a chitinase gene PnCHI1 from Panax notoginseng
Copyright© by the Chinese Pharmaceutical Association..
Chitinases(EC3.2.1.14), which are present in various organisms, catalyze the hydrolytic cleavage of chitin and play a vital role in plant defense mechanisms against fungal pathogens.In addition, the chitinases are well known to regulate plant growth and development and are involved in programmed cell death(PCD).A chitinase expressed sequence tag(EST) was isolated from Panax notoginseng, and the full-length cDNA of this EST was cloned with the method of rapid amplification of cDNA ends and named as PnCHI1. PnCHI1 was 1 022 bp in length and contained an intact open reading frame(ORF) of 822 bp, a 26 bp 5'-untranslated region(UTR), and a 174 bp 3'-UTR.The predicted protein of PnCHI1 with 273 amino acid residues belongs to glycoside hydrolase family 19 and fell into the class IV of chitinases through phylogenetic analysis.QRT-PCR analysis showed that the expression of PnCHI1 was induced by methyl jasmonate, ethylene, H2O2, and salicylic acid.PnCHI1 was quickly induced after inoculation with Alternaria panax.Moreover, the expression level of PnCHI1 was increased after pretreatment with methyl jasmonate, and then the transcription level of PnCHI1was sharp increased after inoculation with Fusarium solani,and the highest transcription level was achieved at 4 h post inoculation.But the expression level of PnCHI1 in the sterile water pretreated P.notoginseng was increased gradually after inoculation with F.solani, and the highest expression level was achieved at 48 h post inoculation.All the results of present study indicated that PnCHI1 was involved in defense response of P.notoginseng against the F.solani and A.panax.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2016 |
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| Erschienen: |
2016 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:41 |
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| Enthalten in: |
Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica - 41(2016), 11 vom: 11. Juni, Seite 2036-2043 |
| Sprache: |
Chinesisch |
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| Beteiligte Personen: |
Xu, Zhen-Ning [VerfasserIn] |
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| Links: |
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| Themen: |
Altemaria panax |
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| Anmerkungen: |
Date Completed 18.05.2018 Date Revised 02.12.2018 published: Print Citation Status MEDLINE |
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| doi: |
10.4268/cjcmm20161111 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM275719669 |
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| 100 | 1 | |a Xu, Zhen-Ning |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Cloning and expression analysis of a chitinase gene PnCHI1 from Panax notoginseng |
| 264 | 1 | |c 2016 | |
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| 500 | |a Date Completed 18.05.2018 | ||
| 500 | |a Date Revised 02.12.2018 | ||
| 500 | |a published: Print | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Copyright© by the Chinese Pharmaceutical Association. | ||
| 520 | |a Chitinases(EC3.2.1.14), which are present in various organisms, catalyze the hydrolytic cleavage of chitin and play a vital role in plant defense mechanisms against fungal pathogens.In addition, the chitinases are well known to regulate plant growth and development and are involved in programmed cell death(PCD).A chitinase expressed sequence tag(EST) was isolated from Panax notoginseng, and the full-length cDNA of this EST was cloned with the method of rapid amplification of cDNA ends and named as PnCHI1. PnCHI1 was 1 022 bp in length and contained an intact open reading frame(ORF) of 822 bp, a 26 bp 5'-untranslated region(UTR), and a 174 bp 3'-UTR.The predicted protein of PnCHI1 with 273 amino acid residues belongs to glycoside hydrolase family 19 and fell into the class IV of chitinases through phylogenetic analysis.QRT-PCR analysis showed that the expression of PnCHI1 was induced by methyl jasmonate, ethylene, H2O2, and salicylic acid.PnCHI1 was quickly induced after inoculation with Alternaria panax.Moreover, the expression level of PnCHI1 was increased after pretreatment with methyl jasmonate, and then the transcription level of PnCHI1was sharp increased after inoculation with Fusarium solani,and the highest transcription level was achieved at 4 h post inoculation.But the expression level of PnCHI1 in the sterile water pretreated P.notoginseng was increased gradually after inoculation with F.solani, and the highest expression level was achieved at 48 h post inoculation.All the results of present study indicated that PnCHI1 was involved in defense response of P.notoginseng against the F.solani and A.panax | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Altemaria panax | |
| 650 | 4 | |a Fusarium solani | |
| 650 | 4 | |a Panax notoginseng | |
| 650 | 4 | |a chitinases | |
| 650 | 4 | |a defense response | |
| 650 | 4 | |a gene cloning | |
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| 650 | 7 | |a Hydrogen Peroxide |2 NLM | |
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| 650 | 7 | |a Chitinases |2 NLM | |
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| 700 | 1 | |a Pu, Li-Mei |e verfasserin |4 aut | |
| 700 | 1 | |a Qu, Yuan |e verfasserin |4 aut | |
| 700 | 1 | |a Yang, Ye |e verfasserin |4 aut | |
| 700 | 1 | |a Bai, Zhi-Wei |e verfasserin |4 aut | |
| 700 | 1 | |a Guan, Rui-Pan |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Qi |e verfasserin |4 aut | |
| 700 | 1 | |a Cui, Xiu-Ming |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Di-Qiu |e verfasserin |4 aut | |
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| 856 | 4 | 0 | |u http://dx.doi.org/10.4268/cjcmm20161111 |3 Volltext |
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