Article(id=1236324894741418180, tenantId=1146029695717560320, journalId=1235980609244409860, issueId=1236324890941378645, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1000-2561.2023.12.011, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1681315200000, receivedDateStr=2023-04-13, revisedDate=1681833600000, revisedDateStr=2023-04-19, acceptedDate=null, acceptedDateStr=null, onlineDate=1772692424711, onlineDateStr=2026-03-05, pubDate=1703433600000, pubDateStr=2023-12-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1772692424711, onlineIssueDateStr=2026-03-05, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1772692424711, creator=13701087609, updateTime=1772692424711, 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=2461, endPage=2468, ext={EN=ArticleExt(id=1236324895680942298, articleId=1236324894741418180, tenantId=1146029695717560320, journalId=1235980609244409860, language=EN, title=Cloning and Expression Analysis of Xylanase GpTR1774 Gene from Ganoderma pseudoferreum, columnId=1236256430337085821, journalTitle=Chinese Journal of Tropical Crops, columnName=Omics & Biotechnology, runingTitle=null, highlight=null, articleAbstract=

Cell wall degrading enzymes are important pathogenic factors of many pathogenic fungi, among which xylanase, as the most important hemicellulase, plays an important role in the process of host cell wall degrading by filamentous fungi to achieve host infection. In this study, RT-PCR was used to clone the coding region of xylanase GpTR1774 gene of Ganoderma pseudoferreum strain HD3 and analyze its bioinformatics. The root of Hevea tissue cultured seedlings Reyan 73397 were infected with HD3, meanwhile infection and destruction process of root cells were observed by electron microscopy. The gene expression of GpTR1774 was determined by qRT-PCR. The results showed that the total length of GpTR1774 cDNA was 780 bp, encoding 259 amino acids, among which the most abundant amino acid was alanine (Ala), accounting for 15.1%. The molecular weight of GpTR1774 protein was 28.12 kDa, fat coefficient was 81.93, and the isoelectric point was 9.07. It was a hydrophilic protein with 15 phosphorylation sites, no signal and peptide transmembrane domain, and was located in the cell solute. The main components of the secondary structureα-helix and random curling are the main components of the secondary structure of GpTR1774 protein, accounting for 38.10% and 41.31% of the amino acid sequence, respectively. Phylogenetic analysis showed that GpTR1774 gene had the highest similarity with xylanase gene of Ganoderma boninense, reaching 87.5%. qRT-PCR showed that the overall gene expression trend of xylanase GpTR1774 was firstly increased and then decreased. The expression level of GPTR1774 increased significantly on the 3rd and 4th day after infection, and reached the highest level on the 4th day, about 16 times of the initial level. The results of this study indicate that the xylanase GpTR1774 gene was likely to be involved in the pathogenesis of G. psedoferreum, providing reference for the pathogenesis analysis and green prevention and control of G. psedoferreum.

, correspAuthors=Min TU, Decai YU, 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=Xue FU, Min TU, Haibin CAI, Hongji ZHANG, Decai YU, Xia ZENG), CN=ArticleExt(id=1236324895982932207, articleId=1236324894741418180, tenantId=1146029695717560320, journalId=1235980609244409860, language=CN, title=橡胶树红根病病原菌木聚糖酶编码基因GpTR1774的克隆与表达分析, columnId=1236256430517440904, journalTitle=热带作物学报, columnName=组学与生物技术, runingTitle=null, highlight=null, articleAbstract=

细胞壁降解酶是诸多病原真菌的重要致病因子,其中木聚糖酶作为最重要的半纤维素酶,在丝状真菌降解细胞壁侵染寄主的过程中占有重要作用。本研究以橡胶树红根病病原菌HD3为材料,采用RT-PCR克隆木聚糖酶编码基因GpTR1774的基因序列,对其进行生物信息学分析;用HD3侵染橡胶树热研73397组培苗根部,电镜观测病原菌对根部细胞的侵染和破坏过程,并利用qRT-PCR方法测定不同侵染时间GpTR1774基因的表达量。结果表明:GpTR1774基因cDNA全长为780 bp,编码259个氨基酸,其中含量最丰富的氨基酸为丙氨酸(Ala),占15.1%;预测蛋白分子量为28.12 kDa,脂肪系数为81.93,等电点为9.07,属亲水性蛋白,共有15个磷酸化位点,无信号和肽跨膜域,定位于细胞溶质;α-螺旋和无规则卷曲是GpTR1774蛋白二级结构的主要元件,分别占氨基酸序列的38.10%和41.31%。系统进化树分析显示,GpTR1774基因与狭长孢灵芝木聚糖酶基因相似度最高,达87.5%。qRT-PCR显示,木聚糖酶GpTR1774基因表达量整体趋势为先上升后下降,侵染3 d和4 d表达量极显著上升,4 d达到最高水平,约为侵染初始的16倍。本研究结果初步表明,木聚糖酶编码基因GpTR1774很可能参与橡胶树红根病病原菌的致病过程,为橡胶树红根病的致病机理解析和绿色防控提供参考。

, correspAuthors=涂敏, 于德才, authorNote=null, correspAuthorsNote=
* 于德才(YU Decai),E-mail:
涂敏(TU Min),E-mail:
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伏雪(1996—),女,硕士研究生,研究方向:病原真菌致病机理。

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伏雪(1996—),女,硕士研究生,研究方向:病原真菌致病机理。

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伏雪(1996—),女,硕士研究生,研究方向:病原真菌致病机理。

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橡胶树红根病病原菌木聚糖酶编码基因GpTR1774的克隆与表达分析
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伏雪 1, 2 , 涂敏 2, * , 蔡海滨 1, 2 , 张红骥 1 , 于德才 1, * , 曾霞 2
热带作物学报 | 组学与生物技术 2023,44(12): 2461-2468
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热带作物学报 | 组学与生物技术 2023, 44(12): 2461-2468
橡胶树红根病病原菌木聚糖酶编码基因GpTR1774的克隆与表达分析
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伏雪1, 2, 涂敏2, * , 蔡海滨1, 2, 张红骥1, 于德才1, * , 曾霞2
作者信息
  • 1.云南农业大学植物保护学院,云南昆明 650201
  • 2.中国热带农业科学院橡胶研究所,海南海口 571101
  • 伏雪(1996—),女,硕士研究生,研究方向:病原真菌致病机理。

通讯作者:

* 于德才(YU Decai),E-mail:
涂敏(TU Min),E-mail:
Cloning and Expression Analysis of Xylanase GpTR1774 Gene from Ganoderma pseudoferreum
Xue FU1, 2, Min TU2, * , Haibin CAI1, 2, Hongji ZHANG1, Decai YU1, * , Xia ZENG2
Affiliations
  • 1.Plant Protection College, Yunnan Agricultural University, Kunming, Yunnan 650201, China
  • 2.Rubber Research Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou, Hainan 571101, China
出版时间: 2023-12-25 doi: 10.3969/j.issn.1000-2561.2023.12.011
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细胞壁降解酶是诸多病原真菌的重要致病因子,其中木聚糖酶作为最重要的半纤维素酶,在丝状真菌降解细胞壁侵染寄主的过程中占有重要作用。本研究以橡胶树红根病病原菌HD3为材料,采用RT-PCR克隆木聚糖酶编码基因GpTR1774的基因序列,对其进行生物信息学分析;用HD3侵染橡胶树热研73397组培苗根部,电镜观测病原菌对根部细胞的侵染和破坏过程,并利用qRT-PCR方法测定不同侵染时间GpTR1774基因的表达量。结果表明:GpTR1774基因cDNA全长为780 bp,编码259个氨基酸,其中含量最丰富的氨基酸为丙氨酸(Ala),占15.1%;预测蛋白分子量为28.12 kDa,脂肪系数为81.93,等电点为9.07,属亲水性蛋白,共有15个磷酸化位点,无信号和肽跨膜域,定位于细胞溶质;α-螺旋和无规则卷曲是GpTR1774蛋白二级结构的主要元件,分别占氨基酸序列的38.10%和41.31%。系统进化树分析显示,GpTR1774基因与狭长孢灵芝木聚糖酶基因相似度最高,达87.5%。qRT-PCR显示,木聚糖酶GpTR1774基因表达量整体趋势为先上升后下降,侵染3 d和4 d表达量极显著上升,4 d达到最高水平,约为侵染初始的16倍。本研究结果初步表明,木聚糖酶编码基因GpTR1774很可能参与橡胶树红根病病原菌的致病过程,为橡胶树红根病的致病机理解析和绿色防控提供参考。

热研73397  /  红根病病原菌  /  GpTR1774基因  /  侵染过程  /  qRT-PCR

Cell wall degrading enzymes are important pathogenic factors of many pathogenic fungi, among which xylanase, as the most important hemicellulase, plays an important role in the process of host cell wall degrading by filamentous fungi to achieve host infection. In this study, RT-PCR was used to clone the coding region of xylanase GpTR1774 gene of Ganoderma pseudoferreum strain HD3 and analyze its bioinformatics. The root of Hevea tissue cultured seedlings Reyan 73397 were infected with HD3, meanwhile infection and destruction process of root cells were observed by electron microscopy. The gene expression of GpTR1774 was determined by qRT-PCR. The results showed that the total length of GpTR1774 cDNA was 780 bp, encoding 259 amino acids, among which the most abundant amino acid was alanine (Ala), accounting for 15.1%. The molecular weight of GpTR1774 protein was 28.12 kDa, fat coefficient was 81.93, and the isoelectric point was 9.07. It was a hydrophilic protein with 15 phosphorylation sites, no signal and peptide transmembrane domain, and was located in the cell solute. The main components of the secondary structureα-helix and random curling are the main components of the secondary structure of GpTR1774 protein, accounting for 38.10% and 41.31% of the amino acid sequence, respectively. Phylogenetic analysis showed that GpTR1774 gene had the highest similarity with xylanase gene of Ganoderma boninense, reaching 87.5%. qRT-PCR showed that the overall gene expression trend of xylanase GpTR1774 was firstly increased and then decreased. The expression level of GPTR1774 increased significantly on the 3rd and 4th day after infection, and reached the highest level on the 4th day, about 16 times of the initial level. The results of this study indicate that the xylanase GpTR1774 gene was likely to be involved in the pathogenesis of G. psedoferreum, providing reference for the pathogenesis analysis and green prevention and control of G. psedoferreum.

Hevea brasiliensis Reyan 73397  /  Ganoderma pseudoferreum (Wakef) v. Over. et Steinm  /  GpTR1774  /  infection process  /  qRT-PCR
伏雪, 涂敏, 蔡海滨, 张红骥, 于德才, 曾霞. 橡胶树红根病病原菌木聚糖酶编码基因GpTR1774的克隆与表达分析. 热带作物学报, 2023 , 44 (12) : 2461 -2468 . DOI: 10.3969/j.issn.1000-2561.2023.12.011
Xue FU, Min TU, Haibin CAI, Hongji ZHANG, Decai YU, Xia ZENG. Cloning and Expression Analysis of Xylanase GpTR1774 Gene from Ganoderma pseudoferreum[J]. Chinese Journal of Tropical Crops, 2023 , 44 (12) : 2461 -2468 . DOI: 10.3969/j.issn.1000-2561.2023.12.011
  • 海南省重点研发计划项目(ZDYF2021XDNY291)
  • 海南省优秀人才团队项目(20210203)
2023年第44卷第12期
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doi: 10.3969/j.issn.1000-2561.2023.12.011
  • 接收时间:2023-04-13
  • 首发时间:2026-03-05
  • 出版时间:2023-12-25
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  • 收稿日期:2023-04-13
  • 修回日期:2023-04-19
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海南省重点研发计划项目(ZDYF2021XDNY291)
海南省优秀人才团队项目(20210203)
作者信息
    1.云南农业大学植物保护学院,云南昆明 650201
    2.中国热带农业科学院橡胶研究所,海南海口 571101

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* 于德才(YU Decai),E-mail:
涂敏(TU Min),E-mail:
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https://castjournals.cast.org.cn/joweb/rdzwxb/CN/10.3969/j.issn.1000-2561.2023.12.011
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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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