Article(id=1236324891432112213, tenantId=1146029695717560320, journalId=1235980609244409860, issueId=1236324890941378645, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1000-2561.2023.12.003, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1689091200000, receivedDateStr=2023-07-12, revisedDate=1689523200000, revisedDateStr=2023-07-17, acceptedDate=null, acceptedDateStr=null, onlineDate=1772692423922, onlineDateStr=2026-03-05, pubDate=1703433600000, pubDateStr=2023-12-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1772692423922, onlineIssueDateStr=2026-03-05, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1772692423922, creator=13701087609, updateTime=1772692423922, updator=13701087609, issue=Issue{id=1236324890941378645, tenantId=1146029695717560320, journalId=1235980609244409860, year='2023', volume='44', issue='12', pageStart='2355', pageEnd='2578', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1772692423806, creator=13701087609, updateTime=1772693190259, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1236328105745380010, tenantId=1146029695717560320, journalId=1235980609244409860, issueId=1236324890941378645, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1236328105749574315, tenantId=1146029695717560320, journalId=1235980609244409860, issueId=1236324890941378645, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=2384, endPage=2391, ext={EN=ArticleExt(id=1236324891738296409, articleId=1236324891432112213, tenantId=1146029695717560320, journalId=1235980609244409860, language=EN, title=Characteristics and Expression Analysis Of Chalcone Synthase MeCHS Family in Cassava, columnId=1236324891675381847, journalTitle=Chinese Journal of Tropical Crops, columnName=Special Focus: Resources and Utilization of Cassava, runingTitle=null, highlight=null, articleAbstract=

Chalcone synthase (CHS) is the first limiting enzyme in flavonoid synthesis pathway and plays an important role in flower color formation, growth and development, and abiotic stress. In order to clarify the characteristics of cassava MeCHS gene family and its expression in cassava postharvest physiological deterioration (PPD), the MeCHS gene family was analyzed using bioinformatics, including physicochemical property and subcellular location. qRT-PCR was carried out to detect the expression levels of MeCHS genes in different varieties, different tissues and PPD process. The genes with significant relative expression were selected for cloning and subcellular localization verification. A total of 5 MeCHS gene members were identified in the cassava genome. The secondary structure analysis showed that the MeCHS gene family was mainly composed of α-helices and random coils. Tissue specific expression indicated that the expression levels of MeCHS genes were higher in stems. The major expressed MeCHS genes in cassava were MeCHS1, MeCHS2 and MeCHS3; and the expression levels of these three genes were gradually increase with PPD. MeCHS1, MeCHS2 and MeCHS3 were successfully cloned; and fluorescence transient expression showed that MeCHS1, MeCHS2 and MeCHS3 were localized in the cytoplasm, which was consistent with the predicted results. This study will provide a theoretical basis for further revealing the function of MeCHS gene family and improving the PPD tolerance of cassava.

, correspAuthors=Jingjing XUE, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, authorCompany=null, fund=null, authors=null, authorsList=Feifei AN, Jianxiong QI, Songbi CHEN, Xiuqin LUO, Jie CAI, Jingjing XUE), CN=ArticleExt(id=1236324892015120478, articleId=1236324891432112213, tenantId=1146029695717560320, journalId=1235980609244409860, language=CN, title=木薯查尔酮合酶MeCHS基因家族特征与表达分析, columnId=1236324891813793882, journalTitle=热带作物学报, columnName=专题:木薯资源与利用, runingTitle=null, highlight=null, articleAbstract=

查尔酮合酶(chalcone synthase, CHS)是类黄酮合成途径的第一个限速酶,在植物花色形成、生长发育以及非生物胁迫中发挥着重要作用。为明确木薯MeCHS基因家族的特性及在木薯块根采后腐烂(PPD)中的表达,本研究利用生物信息学方法对木薯MeCHS基因家族成员进行理化性质、蛋白质结构等分析。采用实时荧光定量PCR(qRT-PCR)检测MeCHS基因在不同品种、不同组织及块根PPD过程中的表达情况,同时克隆并构建3个高表达的MeCHS基因的亚细胞定位载体并进行烟草瞬时转化以确定其定位。在木薯基因组中共鉴定出5个MeCHS基因家族成员,蛋白质二级结构以α-螺旋和不规则卷曲为主。qRT-PCR分析发现:MeCHS基因表达具有明显的组织特异性,在茎中表达水平最高;在木薯中主要表达的MeCHS基因为MeCHS1MeCHS2和MeCHS3,且3个基因随着SC8块根贮藏时间的延长表达量逐步升高。将成功克隆得到的MeCHS1MeCHS2MeCHS3基因经农杆菌介导瞬时转化烟草下表皮细胞,显微观察表明3个基因均定位于细胞质,与预测结果相符。该研究结果可为进一步揭示木薯MeCHS基因家族的功能与提高木薯块根耐PPD能力提供理论依据。

, correspAuthors=薛晶晶, authorNote=null, correspAuthorsNote=
* 薛晶晶(XUE Jingjing),E-mail:
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安飞飞(1983—),女,硕士,副研究员,研究方向:木薯生物育种。

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安飞飞(1983—),女,硕士,副研究员,研究方向:木薯生物育种。

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木薯查尔酮合酶MeCHS基因家族特征与表达分析
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安飞飞 1, 2 , 齐剑雄 1 , 陈松笔 2 , 罗秀芹 1 , 蔡杰 2 , 薛晶晶 2, *
热带作物学报 | 专题:木薯资源与利用 2023,44(12): 2384-2391
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热带作物学报 | 专题:木薯资源与利用 2023, 44(12): 2384-2391
木薯查尔酮合酶MeCHS基因家族特征与表达分析
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安飞飞1, 2, 齐剑雄1, 陈松笔2, 罗秀芹1, 蔡杰2, 薛晶晶2, *
作者信息
  • 1.中国热带农业科学院热带作物品种资源研究所/农业农村部木薯种质资源保护与利用重点实验室,海南海口 571101
  • 2.中国热带农业科学院三亚研究院,海南三亚 572025
  • 安飞飞(1983—),女,硕士,副研究员,研究方向:木薯生物育种。

通讯作者:

* 薛晶晶(XUE Jingjing),E-mail:
Characteristics and Expression Analysis Of Chalcone Synthase MeCHS Family in Cassava
Feifei AN1, 2, Jianxiong QI1, Songbi CHEN2, Xiuqin LUO1, Jie CAI2, Jingjing XUE2, *
Affiliations
  • 1.Tropical Crops Genetic Resources Institute, Chinese Academy of Tropical Agricultural Sciences/Key Laboratory of Conservation and Utilization of Cassava Germplasm Resources, Ministry of Agriculture and Rural Affairs, Haikou, Hainan 571101, China
  • 2.Sanya Research Institute, Chinese Academy of Tropical Agricultural Sciences, Sanya, Hainan 572025, China
出版时间: 2023-12-25 doi: 10.3969/j.issn.1000-2561.2023.12.003
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查尔酮合酶(chalcone synthase, CHS)是类黄酮合成途径的第一个限速酶,在植物花色形成、生长发育以及非生物胁迫中发挥着重要作用。为明确木薯MeCHS基因家族的特性及在木薯块根采后腐烂(PPD)中的表达,本研究利用生物信息学方法对木薯MeCHS基因家族成员进行理化性质、蛋白质结构等分析。采用实时荧光定量PCR(qRT-PCR)检测MeCHS基因在不同品种、不同组织及块根PPD过程中的表达情况,同时克隆并构建3个高表达的MeCHS基因的亚细胞定位载体并进行烟草瞬时转化以确定其定位。在木薯基因组中共鉴定出5个MeCHS基因家族成员,蛋白质二级结构以α-螺旋和不规则卷曲为主。qRT-PCR分析发现:MeCHS基因表达具有明显的组织特异性,在茎中表达水平最高;在木薯中主要表达的MeCHS基因为MeCHS1MeCHS2和MeCHS3,且3个基因随着SC8块根贮藏时间的延长表达量逐步升高。将成功克隆得到的MeCHS1MeCHS2MeCHS3基因经农杆菌介导瞬时转化烟草下表皮细胞,显微观察表明3个基因均定位于细胞质,与预测结果相符。该研究结果可为进一步揭示木薯MeCHS基因家族的功能与提高木薯块根耐PPD能力提供理论依据。

木薯  /  查尔酮合酶  /  qRT-PCR  /  克隆  /  表达分析

Chalcone synthase (CHS) is the first limiting enzyme in flavonoid synthesis pathway and plays an important role in flower color formation, growth and development, and abiotic stress. In order to clarify the characteristics of cassava MeCHS gene family and its expression in cassava postharvest physiological deterioration (PPD), the MeCHS gene family was analyzed using bioinformatics, including physicochemical property and subcellular location. qRT-PCR was carried out to detect the expression levels of MeCHS genes in different varieties, different tissues and PPD process. The genes with significant relative expression were selected for cloning and subcellular localization verification. A total of 5 MeCHS gene members were identified in the cassava genome. The secondary structure analysis showed that the MeCHS gene family was mainly composed of α-helices and random coils. Tissue specific expression indicated that the expression levels of MeCHS genes were higher in stems. The major expressed MeCHS genes in cassava were MeCHS1, MeCHS2 and MeCHS3; and the expression levels of these three genes were gradually increase with PPD. MeCHS1, MeCHS2 and MeCHS3 were successfully cloned; and fluorescence transient expression showed that MeCHS1, MeCHS2 and MeCHS3 were localized in the cytoplasm, which was consistent with the predicted results. This study will provide a theoretical basis for further revealing the function of MeCHS gene family and improving the PPD tolerance of cassava.

cassava  /  chalcone synthase  /  qRT-PCR  /  cloning  /  expression analysis
安飞飞, 齐剑雄, 陈松笔, 罗秀芹, 蔡杰, 薛晶晶. 木薯查尔酮合酶MeCHS基因家族特征与表达分析. 热带作物学报, 2023 , 44 (12) : 2384 -2391 . DOI: 10.3969/j.issn.1000-2561.2023.12.003
Feifei AN, Jianxiong QI, Songbi CHEN, Xiuqin LUO, Jie CAI, Jingjing XUE. Characteristics and Expression Analysis Of Chalcone Synthase MeCHS Family in Cassava[J]. Chinese Journal of Tropical Crops, 2023 , 44 (12) : 2384 -2391 . DOI: 10.3969/j.issn.1000-2561.2023.12.003
  • 中央级公益性科研院所基本科研业务费专项(1630052023016)
  • 海南省自然科学基金项目(320MS100)
2023年第44卷第12期
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doi: 10.3969/j.issn.1000-2561.2023.12.003
  • 接收时间:2023-07-12
  • 首发时间:2026-03-05
  • 出版时间:2023-12-25
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  • 收稿日期:2023-07-12
  • 修回日期:2023-07-17
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中央级公益性科研院所基本科研业务费专项(1630052023016)
海南省自然科学基金项目(320MS100)
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    1.中国热带农业科学院热带作物品种资源研究所/农业农村部木薯种质资源保护与利用重点实验室,海南海口 571101
    2.中国热带农业科学院三亚研究院,海南三亚 572025

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* 薛晶晶(XUE Jingjing),E-mail:
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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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