Article(id=1236293063681831509, tenantId=1146029695717560320, journalId=1235980609244409860, issueId=1236293063174320724, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1000-2561.2023.10.001, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1663776000000, receivedDateStr=2022-09-22, revisedDate=1667318400000, revisedDateStr=2022-11-02, acceptedDate=null, acceptedDateStr=null, onlineDate=1772684835596, onlineDateStr=2026-03-05, pubDate=1698163200000, pubDateStr=2023-10-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1772684835596, onlineIssueDateStr=2026-03-05, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1772684835596, creator=13701087609, updateTime=1772684835596, updator=13701087609, issue=Issue{id=1236293063174320724, tenantId=1146029695717560320, journalId=1235980609244409860, year='2023', volume='44', issue='10', pageStart='1935', pageEnd='2134', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1772684835474, creator=13701087609, updateTime=1772685067745, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1236294037444030542, tenantId=1146029695717560320, journalId=1235980609244409860, issueId=1236293063174320724, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1236294037444030543, tenantId=1146029695717560320, journalId=1235980609244409860, issueId=1236293063174320724, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=1935, endPage=1943, ext={EN=ArticleExt(id=1236293063967044183, articleId=1236293063681831509, tenantId=1146029695717560320, journalId=1235980609244409860, language=EN, title=Analysis of HbHSP90.6 Gene Cloning, Expression and Subcellular Localization in Rubber Tree Latex, columnId=1236256430337085821, journalTitle=Chinese Journal of Tropical Crops, columnName=Omics & Biotechnology, runingTitle=null, highlight=null, articleAbstract=

HSP90 is a key component in maintaining intracellular homeostasis, and it controls multiple cellular processes by regulating the maturation, stability, activity and turnover of its substrates. Rubber tree (Hevea brasiliensis Müll. Arg.) is an important source for the production of natural rubber, which has thousands of industrial uses and a high socioeconomic value. Using PCR technique, an HSP90 family member gene, named HbHSP90.6 gene (GenBank accession number: OP375588), was cloned from rubber tree variety Reyan73397 latex, and the sequence analysis showed that its coding region (CDS) was 2112 bp. Physicochemical analysis showed that its relative molecular weight was 80 774.85 Da, isoelectric point was 5.04, instability coefficient was 38.98, and total average hydrophilicity was -0.610, presumably HbHSP90.6 protein is a stable hydrophilic protein. The results of conserved structural domain analysis and multiple sequence alignment showed that HbHSP90.6 contained a structural domain of PTZ00272 and a highly conserved MEEVD motif, which is a member of the HSP90 family. Phylogenetic analysis showed that HbHSP90.6 clustered with Arabidopsis AtHSP90.1 (NM_124642.4) and rice OsHsp90-1 (LOC_Os04g01740) with 92.34% and 86.44% homology, respectively. Tissue expression analysis showed that the gene expression of HbHSP90.6 gene in latex was significantly higher than that in root, flower, branche, stem and leaf, and the expression of HbHSP90.6 gene in latex reached 283-fold relative to flowers, presumably the HbHSP90.6 gene may be involved in intracellular transport of latex tubes and regulation of latex metabolism. Mechanical wounding treatment in latex significantly upregulated the expression of HbHSP90.6 gene by 19 fold compared to the pretreatment pair, and it is hypothesized that HbHSP90.6 gene is involved in mechanical wounding regulated physiological and metabolic activity responses in rubber trees. The expression of HbHSP90.6 gene reached the highest level at 6 h of treatment with the phytohormones ethephon, jasmonic acid and 3-Indoleacetic acid, which were 45 fold, 17 fold and 6 fold higher than before treatment, respectively. The expression of HbHSP90.6 gene was significantly upregulated at 12 h after brassinosteroids treatment, reaching 50 fold of the pretreatment expression, presumably the HbHSP90.6 gene is involved in phytohormone mediated transcriptional regulation. Subcellular localization was performed by constructing a 35S::HbHSP90.6::GFP fusion expression vector, and the results showed that the HbHSP90.6 gene was localized in the cytoplasm and nucleus, which was consistent with the predicted results of subcellular localization. The results of this study would provide a thorough basis for elucidating the molecular mechanisms of HbHSP90.6 gene in plant hormone signaling-regulated stress and latex metabolism in rubber trees.

, correspAuthors=Bingbing GUO, 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=Mingyang LIU, Hong YANG, Longjun DAI, Lifeng WANG, Bingbing GUO), CN=ArticleExt(id=1236293064290005596, articleId=1236293063681831509, tenantId=1146029695717560320, journalId=1235980609244409860, language=CN, title=橡胶树胶乳HbHSP90.6基因克隆、表达与亚细胞定位分析, columnId=1236256430517440904, journalTitle=热带作物学报, columnName=组学与生物技术, runingTitle=null, highlight=null, articleAbstract=

HSP90是维持细胞内稳态的关键成分,其通过调节其底物的成熟、稳定性、活性和翻转来控制多个细胞过程。橡胶树(Hevea brasiliensis Müll. Arg.)是生产天然橡胶的重要来源,其拥有数千种工业用途,具有较高的社会经济价值。利用PCR技术从橡胶树品种热研73397胶乳中克隆1个HSP90家族成员基因,命名为HbHSP90.6基因(GenBank登录号:OP375588),序列分析表明其编码区(CDS)为2112 bp。理化性质分析表明其相对分子量为80 774.85 Da,等电点为5.04,不稳定系数为38.98,总平均亲水性为-0.610,推测HbHSP90.6蛋白是一个稳定的亲水蛋白。保守结构域分析和多序列比对结果显示,HbHSP90.6含有1个PTZ00272的结构域和包含高度保守的MEEVD基序,属于HSP90家族成员。进化分析结果显示,HbHSP90.6与拟南芥AtHSP90.1(NM_124642.4)和水稻OsHsp90-1(LOC_Os04g01740)聚在一起,同源性分别为92.34%和86.44%。组织表达分析显示:HbHSP90.6基因在胶乳中的基因表达量显著高于根、花、枝、茎、叶,HbHSP90.6基因在胶乳中的表达量相对于花达到283倍,推测HbHSP90.6基因可能参与乳管胞内运输和胶乳代谢调控;胶乳中的伤害处理显著上调HbHSP90.6基因的表达,是处理前的19倍,推测HbHSP90.6基因参与机械伤害调控的橡胶树生理与代谢活动反应;HbHSP90.6基因在植物激素乙烯利、茉莉酸处理和吲哚-3-乙酸处理的6 h时表达量均达到最高,分别是处理前的45倍、17倍和6倍;在油菜素内酯处理后的12 h时,HbHSP90.6基因表达量显著上调表达,达到处理前的50倍,推测HbHSP90.6基因参与植物激素介导的转录调控。通过构建35S::HbHSP90.6::GFP融合表达载体进行亚细胞定位,结果显示HbHSP90.6基因定位在细胞质和细胞核中,与亚细胞定位预测结果一致。该研究结果为阐明HbHSP90.6基因在植物激素信号调控的橡胶树逆境胁迫和胶乳代谢分子机制研究奠定坚实基础。

, correspAuthors=郭冰冰, authorNote=null, correspAuthorsNote=
* 郭冰冰(GUO Bingbing),E-mail:
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刘明洋(1996—),女,硕士研究生,研究方向:橡胶树生理与分子生物学。

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刘明洋(1996—),女,硕士研究生,研究方向:橡胶树生理与分子生物学。

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刘明洋(1996—),女,硕士研究生,研究方向:橡胶树生理与分子生物学。

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橡胶树胶乳HbHSP90.6基因克隆、表达与亚细胞定位分析
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刘明洋 , 杨洪 , 代龙军 , 王立丰 , 郭冰冰 *
热带作物学报 | 组学与生物技术 2023,44(10): 1935-1943
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热带作物学报 | 组学与生物技术 2023, 44(10): 1935-1943
橡胶树胶乳HbHSP90.6基因克隆、表达与亚细胞定位分析
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刘明洋, 杨洪, 代龙军, 王立丰, 郭冰冰*
作者信息
  • 农业农村部橡胶树生物学与遗传资源利用重点实验室/省部共建国家重点实验室培育基地-海南省热带作物栽培生理学重点实验室/农业农村部儋州热带作物科学观测实验站/中国热带农业科学院橡胶研究所,海南海口 571101
  • 刘明洋(1996—),女,硕士研究生,研究方向:橡胶树生理与分子生物学。

通讯作者:

* 郭冰冰(GUO Bingbing),E-mail:
Analysis of HbHSP90.6 Gene Cloning, Expression and Subcellular Localization in Rubber Tree Latex
Mingyang LIU, Hong YANG, Longjun DAI, Lifeng WANG, Bingbing GUO*
Affiliations
  • Key Laboratory of Biology and Genetic Resources of Rubber Tree, Ministry of Agriculture and Rural Affairs/State Key Laboratory Incubation Base for Cultivation & Physiology of Tropical Crops/Danzhou Investigation & Experiment Station of Tropical Crops, Ministry of Agriculture and Rural Affairs/Rubber Research Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou, Hainan 571101, China
出版时间: 2023-10-25 doi: 10.3969/j.issn.1000-2561.2023.10.001
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HSP90是维持细胞内稳态的关键成分,其通过调节其底物的成熟、稳定性、活性和翻转来控制多个细胞过程。橡胶树(Hevea brasiliensis Müll. Arg.)是生产天然橡胶的重要来源,其拥有数千种工业用途,具有较高的社会经济价值。利用PCR技术从橡胶树品种热研73397胶乳中克隆1个HSP90家族成员基因,命名为HbHSP90.6基因(GenBank登录号:OP375588),序列分析表明其编码区(CDS)为2112 bp。理化性质分析表明其相对分子量为80 774.85 Da,等电点为5.04,不稳定系数为38.98,总平均亲水性为-0.610,推测HbHSP90.6蛋白是一个稳定的亲水蛋白。保守结构域分析和多序列比对结果显示,HbHSP90.6含有1个PTZ00272的结构域和包含高度保守的MEEVD基序,属于HSP90家族成员。进化分析结果显示,HbHSP90.6与拟南芥AtHSP90.1(NM_124642.4)和水稻OsHsp90-1(LOC_Os04g01740)聚在一起,同源性分别为92.34%和86.44%。组织表达分析显示:HbHSP90.6基因在胶乳中的基因表达量显著高于根、花、枝、茎、叶,HbHSP90.6基因在胶乳中的表达量相对于花达到283倍,推测HbHSP90.6基因可能参与乳管胞内运输和胶乳代谢调控;胶乳中的伤害处理显著上调HbHSP90.6基因的表达,是处理前的19倍,推测HbHSP90.6基因参与机械伤害调控的橡胶树生理与代谢活动反应;HbHSP90.6基因在植物激素乙烯利、茉莉酸处理和吲哚-3-乙酸处理的6 h时表达量均达到最高,分别是处理前的45倍、17倍和6倍;在油菜素内酯处理后的12 h时,HbHSP90.6基因表达量显著上调表达,达到处理前的50倍,推测HbHSP90.6基因参与植物激素介导的转录调控。通过构建35S::HbHSP90.6::GFP融合表达载体进行亚细胞定位,结果显示HbHSP90.6基因定位在细胞质和细胞核中,与亚细胞定位预测结果一致。该研究结果为阐明HbHSP90.6基因在植物激素信号调控的橡胶树逆境胁迫和胶乳代谢分子机制研究奠定坚实基础。

橡胶树  /  HbHSP90.6  /  油菜素内酯  /  表达分析  /  亚细胞定位

HSP90 is a key component in maintaining intracellular homeostasis, and it controls multiple cellular processes by regulating the maturation, stability, activity and turnover of its substrates. Rubber tree (Hevea brasiliensis Müll. Arg.) is an important source for the production of natural rubber, which has thousands of industrial uses and a high socioeconomic value. Using PCR technique, an HSP90 family member gene, named HbHSP90.6 gene (GenBank accession number: OP375588), was cloned from rubber tree variety Reyan73397 latex, and the sequence analysis showed that its coding region (CDS) was 2112 bp. Physicochemical analysis showed that its relative molecular weight was 80 774.85 Da, isoelectric point was 5.04, instability coefficient was 38.98, and total average hydrophilicity was -0.610, presumably HbHSP90.6 protein is a stable hydrophilic protein. The results of conserved structural domain analysis and multiple sequence alignment showed that HbHSP90.6 contained a structural domain of PTZ00272 and a highly conserved MEEVD motif, which is a member of the HSP90 family. Phylogenetic analysis showed that HbHSP90.6 clustered with Arabidopsis AtHSP90.1 (NM_124642.4) and rice OsHsp90-1 (LOC_Os04g01740) with 92.34% and 86.44% homology, respectively. Tissue expression analysis showed that the gene expression of HbHSP90.6 gene in latex was significantly higher than that in root, flower, branche, stem and leaf, and the expression of HbHSP90.6 gene in latex reached 283-fold relative to flowers, presumably the HbHSP90.6 gene may be involved in intracellular transport of latex tubes and regulation of latex metabolism. Mechanical wounding treatment in latex significantly upregulated the expression of HbHSP90.6 gene by 19 fold compared to the pretreatment pair, and it is hypothesized that HbHSP90.6 gene is involved in mechanical wounding regulated physiological and metabolic activity responses in rubber trees. The expression of HbHSP90.6 gene reached the highest level at 6 h of treatment with the phytohormones ethephon, jasmonic acid and 3-Indoleacetic acid, which were 45 fold, 17 fold and 6 fold higher than before treatment, respectively. The expression of HbHSP90.6 gene was significantly upregulated at 12 h after brassinosteroids treatment, reaching 50 fold of the pretreatment expression, presumably the HbHSP90.6 gene is involved in phytohormone mediated transcriptional regulation. Subcellular localization was performed by constructing a 35S::HbHSP90.6::GFP fusion expression vector, and the results showed that the HbHSP90.6 gene was localized in the cytoplasm and nucleus, which was consistent with the predicted results of subcellular localization. The results of this study would provide a thorough basis for elucidating the molecular mechanisms of HbHSP90.6 gene in plant hormone signaling-regulated stress and latex metabolism in rubber trees.

rubber tree  /  HbHSP90.6  /  brassinosteroids  /  expression analysis  /  subcellular localization
刘明洋, 杨洪, 代龙军, 王立丰, 郭冰冰. 橡胶树胶乳HbHSP90.6基因克隆、表达与亚细胞定位分析. 热带作物学报, 2023 , 44 (10) : 1935 -1943 . DOI: 10.3969/j.issn.1000-2561.2023.10.001
Mingyang LIU, Hong YANG, Longjun DAI, Lifeng WANG, Bingbing GUO. Analysis of HbHSP90.6 Gene Cloning, Expression and Subcellular Localization in Rubber Tree Latex[J]. Chinese Journal of Tropical Crops, 2023 , 44 (10) : 1935 -1943 . DOI: 10.3969/j.issn.1000-2561.2023.10.001
  • 海南省自然科学基金青年基金项目(322QN408)
2023年第44卷第10期
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doi: 10.3969/j.issn.1000-2561.2023.10.001
  • 接收时间:2022-09-22
  • 首发时间:2026-03-05
  • 出版时间:2023-10-25
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  • 收稿日期:2022-09-22
  • 修回日期:2022-11-02
基金
海南省自然科学基金青年基金项目(322QN408)
作者信息
    农业农村部橡胶树生物学与遗传资源利用重点实验室/省部共建国家重点实验室培育基地-海南省热带作物栽培生理学重点实验室/农业农村部儋州热带作物科学观测实验站/中国热带农业科学院橡胶研究所,海南海口 571101

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* 郭冰冰(GUO Bingbing),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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