Article(id=1236286116622553465, tenantId=1146029695717560320, journalId=1235980609244409860, issueId=1236286111962690215, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1000-2561.2023.01.020, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1648828800000, receivedDateStr=2022-04-02, revisedDate=1655654400000, revisedDateStr=2022-06-20, acceptedDate=null, acceptedDateStr=null, onlineDate=1772683179287, onlineDateStr=2026-03-05, pubDate=1674576000000, pubDateStr=2023-01-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1772683179287, onlineIssueDateStr=2026-03-05, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1772683179287, creator=13701087609, updateTime=1772683179287, updator=13701087609, issue=Issue{id=1236286111962690215, tenantId=1146029695717560320, journalId=1235980609244409860, year='2023', volume='44', issue='1', pageStart='1', pageEnd='223', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1772683178177, creator=13701087609, updateTime=1772683343075, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1236286803662139491, tenantId=1146029695717560320, journalId=1235980609244409860, issueId=1236286111962690215, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1236286803662139492, tenantId=1146029695717560320, journalId=1235980609244409860, issueId=1236286111962690215, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=198, endPage=207, ext={EN=ArticleExt(id=1236286116945514877, articleId=1236286116622553465, tenantId=1146029695717560320, journalId=1235980609244409860, language=EN, title=Heterologous Synthesis the Precursors of Anticancer Drug Cucurbitacins in Nicotiana benthamiana, columnId=1236286112713470633, journalTitle=Chinese Journal of Tropical Crops, columnName=Post-harvest Treatment & Quality Safety, runingTitle=null, highlight=null, articleAbstract=

The elucidation of cucurbitacin biosynthesis pathway is essential for heterologous production due to its significant anticancer activity. The biosynthesis of cucurbitacin starts from cucurbitadienol (Cuol) catalyzed by cucurbitadienol synthase (CBS) of the oxysqualene cyclase (OSCs) family to form 2,3-oxysqualene which subsequently catalyzed by cytochrome P450 (CYP) and other enzymes for oxidative modification to produce various cucurbitacins. In this study, an efficient transient expression system mediated by Agrobacterium tumefaciens was established. The CBS gene (HcOSC6) from Hemsleya chinensis and truncated 3-hydroxy-3-methyl-glutaryl coenzyme A reductase gene (tHMGR) from Avena strigose were continuously optimized in the tobacco co-expression system to increase Cuol yield from 2.832 mg/g (DW) to 9.48 mg/g (DW) in Nicotiana benthamiana leaves. Meanwhile, HcCYP87D20 of H. chinensis was also co-infiltrated into tobacco leaves to obtain 11-carbonyl-20β-hydroxy-cucurbitol. This study would provide a theoretical basis for efficient heterologous production of cucurbitacin.

, correspAuthors=Shengchao YANG, authorNote=null, correspAuthorsNote=
*YANG Shengchao,E-mail:
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葫芦素具有显著的抗癌活性,解析其生物合成途径对异源生产葫芦素具有重要意义。葫芦素首先由葫芦二烯醇(Cuol)在氧化鲨烯环化酶(OSCs)家族的葫芦二烯醇合酶(CBS)催化下生成2,3-氧化鲨烯,后者在细胞色素P450(CYP)等酶催化下氧化修饰产生葫芦素系列化合物。本研究在建立高效的根癌农杆菌(Agrobacterium tumefaciens)介导的瞬时表达体系的基础上,将雪胆(Hemsleya chinensis Cogn.)CBS基因(HcOSC6)与截短的燕麦(Avena strigosa)3-羟基-3-甲基-戊二酰辅酶A还原酶基因(tHMGR)共表达,通过不断优化烟草共表达体系,将本氏烟草(Nicotiana benthamiana)叶片中的Cuol产量从2.832 mg/g(干重)提高到9.48 mg/g(干重)。同时,将雪胆的HcCYP87D20共渗入烟草叶片,获得葫芦素生物合成的重要中间体11-羰基-20β-羟基-葫芦二烯醇。本研究结果将为葫芦素的高效异源合成提供理论依据。

, correspAuthors=杨生超, authorNote=null, correspAuthorsNote=
*杨生超,E-mail:
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郭兆宽(1994—),男,硕士研究生,研究方向:合成生物学。

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郭兆宽(1994—),男,硕士研究生,研究方向:合成生物学。

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本氏烟草中异源合成抗癌药物葫芦素前体
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郭兆宽 1, 2, 3 , 王益娜 1, 2, 3 , 李志远 1, 2, 3 , 冯孝林 1, 2, 3 , 陈庚 1, 2, 3 , 舒彦宇 1, 2, 3 , 张广辉 2, 3 , 郝冰 2, 3 , 杨生超 2, 3, *
热带作物学报 | 采后处理与质量安全 2023,44(1): 198-207
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热带作物学报 | 采后处理与质量安全 2023, 44(1): 198-207
本氏烟草中异源合成抗癌药物葫芦素前体
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郭兆宽1, 2, 3, 王益娜1, 2, 3, 李志远1, 2, 3, 冯孝林1, 2, 3, 陈庚1, 2, 3, 舒彦宇1, 2, 3, 张广辉2, 3, 郝冰2, 3, 杨生超2, 3, *
作者信息
  • 1.云南农业大学农学与生物技术学院,云南昆明 650201
  • 2.云南农业大学西南中药材种质创新与利用国家地方联合工程研究中心,云南昆明 650201
  • 3.云南特色植物提取实验室,云南昆明,650106
  • 郭兆宽(1994—),男,硕士研究生,研究方向:合成生物学。

通讯作者:

*杨生超,E-mail:
Heterologous Synthesis the Precursors of Anticancer Drug Cucurbitacins in Nicotiana benthamiana
Zhaokuan GUO1, 2, 3, Yina WANG1, 2, 3, Zhiyuan LI1, 2, 3, Xiaolin FENG1, 2, 3, Geng CHEN1, 2, 3, Yanyu SHU1, 2, 3, Guanghui ZHANG2, 3, Bing HAO2, 3, Shengchao YANG2, 3, *
Affiliations
  • 1. College of Agriculture and Biotechnology, Yunnan Agricultural University, Kunming, Yunnan 650201, China
  • 2. National and Local Joint Engineering Research Center for Germplasm Innovation and Utilization of Southwest Chinese Medicinal Materials, Yunnan Agricultural University, Kunming, Yunnan 650201, China
  • 3. Yunnan Characteristic Plant Extraction Laboratory, Kunming, Yunnan 650106, China
出版时间: 2023-01-25 doi: 10.3969/j.issn.1000-2561.2023.01.020
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葫芦素具有显著的抗癌活性,解析其生物合成途径对异源生产葫芦素具有重要意义。葫芦素首先由葫芦二烯醇(Cuol)在氧化鲨烯环化酶(OSCs)家族的葫芦二烯醇合酶(CBS)催化下生成2,3-氧化鲨烯,后者在细胞色素P450(CYP)等酶催化下氧化修饰产生葫芦素系列化合物。本研究在建立高效的根癌农杆菌(Agrobacterium tumefaciens)介导的瞬时表达体系的基础上,将雪胆(Hemsleya chinensis Cogn.)CBS基因(HcOSC6)与截短的燕麦(Avena strigosa)3-羟基-3-甲基-戊二酰辅酶A还原酶基因(tHMGR)共表达,通过不断优化烟草共表达体系,将本氏烟草(Nicotiana benthamiana)叶片中的Cuol产量从2.832 mg/g(干重)提高到9.48 mg/g(干重)。同时,将雪胆的HcCYP87D20共渗入烟草叶片,获得葫芦素生物合成的重要中间体11-羰基-20β-羟基-葫芦二烯醇。本研究结果将为葫芦素的高效异源合成提供理论依据。

葫芦素  /  瞬时表达  /  雪胆  /  本氏烟草

The elucidation of cucurbitacin biosynthesis pathway is essential for heterologous production due to its significant anticancer activity. The biosynthesis of cucurbitacin starts from cucurbitadienol (Cuol) catalyzed by cucurbitadienol synthase (CBS) of the oxysqualene cyclase (OSCs) family to form 2,3-oxysqualene which subsequently catalyzed by cytochrome P450 (CYP) and other enzymes for oxidative modification to produce various cucurbitacins. In this study, an efficient transient expression system mediated by Agrobacterium tumefaciens was established. The CBS gene (HcOSC6) from Hemsleya chinensis and truncated 3-hydroxy-3-methyl-glutaryl coenzyme A reductase gene (tHMGR) from Avena strigose were continuously optimized in the tobacco co-expression system to increase Cuol yield from 2.832 mg/g (DW) to 9.48 mg/g (DW) in Nicotiana benthamiana leaves. Meanwhile, HcCYP87D20 of H. chinensis was also co-infiltrated into tobacco leaves to obtain 11-carbonyl-20β-hydroxy-cucurbitol. This study would provide a theoretical basis for efficient heterologous production of cucurbitacin.

cucurbitacin  /  transient expression  /  Hemsleya chinensis Cogn  /  Nicotiana benthamiana
郭兆宽, 王益娜, 李志远, 冯孝林, 陈庚, 舒彦宇, 张广辉, 郝冰, 杨生超. 本氏烟草中异源合成抗癌药物葫芦素前体. 热带作物学报, 2023 , 44 (1) : 198 -207 . DOI: 10.3969/j.issn.1000-2561.2023.01.020
Zhaokuan GUO, Yina WANG, Zhiyuan LI, Xiaolin FENG, Geng CHEN, Yanyu SHU, Guanghui ZHANG, Bing HAO, Shengchao YANG. Heterologous Synthesis the Precursors of Anticancer Drug Cucurbitacins in Nicotiana benthamiana[J]. Chinese Journal of Tropical Crops, 2023 , 44 (1) : 198 -207 . DOI: 10.3969/j.issn.1000-2561.2023.01.020
  • 云南省科技计划项目(H2801)
2023年第44卷第1期
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doi: 10.3969/j.issn.1000-2561.2023.01.020
  • 接收时间:2022-04-02
  • 首发时间:2026-03-05
  • 出版时间:2023-01-25
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  • 收稿日期:2022-04-02
  • 修回日期:2022-06-20
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云南省科技计划项目(H2801)
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    1.云南农业大学农学与生物技术学院,云南昆明 650201
    2.云南农业大学西南中药材种质创新与利用国家地方联合工程研究中心,云南昆明 650201
    3.云南特色植物提取实验室,云南昆明,650106

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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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