Article(id=1277254113062683241, tenantId=1146029695717560320, journalId=1235980609244409860, issueId=1277254112370623080, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1000-2561.2026.02.006, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1762272000000, receivedDateStr=2025-11-05, revisedDate=null, revisedDateStr=null, acceptedDate=1764000000000, acceptedDateStr=2025-11-25, onlineDate=1782450710787, onlineDateStr=2026-06-26, pubDate=1771948800000, pubDateStr=2026-02-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1782450710787, onlineIssueDateStr=2026-06-26, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1782450710787, creator=13701087609, updateTime=1782450710787, updator=13701087609, issue=Issue{id=1277254112370623080, tenantId=1146029695717560320, journalId=1235980609244409860, year='2026', volume='47', issue='2', pageStart='281', pageEnd='551', issueExtLink='null', onlineDate='null', pubDate='1771948800000', pubDateStr='2026-02-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1782450710622, creator='13701087609', updateTime=1782451594955, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1277257821632729830, tenantId=1146029695717560320, journalId=1235980609244409860, issueId=1277254112370623080, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1277257821632729831, tenantId=1146029695717560320, journalId=1235980609244409860, issueId=1277254112370623080, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=336, endPage=349, ext={EN=ArticleExt(id=1277254113628914283, articleId=1277254113062683241, tenantId=1146029695717560320, journalId=1235980609244409860, language=EN, title=Comparative Analysis and Phylogenetic Study of the Chloroplast Genomes of Bulbophyllum rothschildianum and Bulbophyllum longissimum, columnId=1236256430337085821, journalTitle=Chinese Journal of Tropical Crops, columnName=Omics & Biotechnology, runingTitle=null, highlight=null, articleAbstract=

The aim of the study was to characterize the chloroplast genome structure and phylogenetic relationships within the genus Bulbophyllum. We sequenced, assembled, and annotated the chloroplast genomes of B. rothschildianum and B. longissimum for the first time. Comparative analyses of codon usage bias, repeat sequences, and sequence variation were then conducted with the available chloroplast genomes from four previously published Bulbophyllum species. The chloroplast genome of B. rothschildianum and B. longissimum was 148 447 bp and 151 095 bp, respectively, both showing a typical circular quadripartite structure containing 126 and 129 functional genes. Codons encoding leucine exhibited the strongest usage bias, with codons ending in A/U being particularly abundant. SSR analysis revealed mononucleotide repeats (predominantly A/T type) were most abundant, and palindromic repeats dominated among long repeats. Highly variable regions were mainly located in non-coding regions and selected coding genes (e.g., matK and ycf1), with evident expansion and contraction at IR/SC boundaries. Phylogenetic analysis showed that the 32 Bulbophyllum species formed a strongly supported clade and exhibited clear geographic differentiation into Asian and Central and South American lineages, with B. rothschildianum and B. longissimum clustering together within the Asian lineage and being closely related. The study would provide molecular insights into resource development, genetic conservation, and systematic research in the genus Bulbophyllum.

, authors=null, authorsList=Wanxia ZOU, Qinsen OUYANG, Haijuan TIAN, Jingjing HAO, Shubin ZHUO, authorCompany=null, correspAuthors=Shubin ZHUO, 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, fund=null), CN=ArticleExt(id=1277254115428270701, articleId=1277254113062683241, tenantId=1146029695717560320, journalId=1235980609244409860, language=CN, title=美花卷瓣兰与长花石豆兰的叶绿体基因组比较和系统发育分析, columnId=1236256430517440904, journalTitle=热带作物学报, columnName=组学与生物技术, runingTitle=null, highlight=null, articleAbstract=

为明确石豆兰属植物叶绿体基因组的结构特征与系统发育关系,本研究对美花卷瓣兰(Bulbophyllum rothschildianum)和长花石豆兰(Bulbophyllum longissimum)的叶绿体基因组进行测序、组装与注释,并与已发表的4种石豆兰属植物叶绿体基因组数据开展密码子偏好、重复序列及序列变异比较分析。结果显示:美花卷瓣兰和长花石豆兰的叶绿体基因组分别为148 447、151 095 bp,均呈典型环状四分体结构,分别包含126、129个功能基因;亮氨酸密码子偏好性最强,以A/U结尾密码子占比较高;SSR以单核苷酸重复(A/T类型)为主,长重复序列多为回文重复;变异区域集中于非编码区和部分编码基因(如matKycf1等),IR/SC边界存在扩张收缩差异;系统发育分析表明,32个石豆兰属物种在系统树上形成高支持率的进化分支,并呈现出亚洲类群与中南美洲类群2个地理分支的明显分化,其中美花卷瓣兰与长花石豆兰在亚洲类群内聚为一支,亲缘关系较近。本研究为石豆兰属植物的资源开发、遗传保护和系统发育研究提供分子依据。

, authors=

邹婉霞(1994—),女,硕士研究生,研究方向:植物资源调查、引种保育、驯化及应用。

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* 卓书斌(ZHUO Shubin),E-mail:
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邹婉霞(1994—),女,硕士研究生,研究方向:植物资源调查、引种保育、驯化及应用。

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邹婉霞(1994—),女,硕士研究生,研究方向:植物资源调查、引种保育、驯化及应用。

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美花卷瓣兰与长花石豆兰的叶绿体基因组比较和系统发育分析
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邹婉霞 , 欧阳勤森 , 田海娟 , 郝静静 , 卓书斌 *, *
热带作物学报 | 组学与生物技术 2026,47(2): 336-349
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热带作物学报 |组学与生物技术 2026 , 47 (2) : 336 -349
美花卷瓣兰与长花石豆兰的叶绿体基因组比较和系统发育分析
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邹婉霞, 欧阳勤森, 田海娟, 郝静静, 卓书斌*, *
作者信息
  • 东莞植物园,广东东莞 523128
通讯作者:
* 卓书斌(ZHUO Shubin),E-mail:
Comparative Analysis and Phylogenetic Study of the Chloroplast Genomes of Bulbophyllum rothschildianum and Bulbophyllum longissimum
Wanxia ZOU, Qinsen OUYANG, Haijuan TIAN, Jingjing HAO, Shubin ZHUO
Affiliations
  • Dongguan Botanical Garden, Dongguan, Guangdong 523128, China
出版时间: 2026-02-25 doi: 10.3969/j.issn.1000-2561.2026.02.006
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为明确石豆兰属植物叶绿体基因组的结构特征与系统发育关系,本研究对美花卷瓣兰(Bulbophyllum rothschildianum)和长花石豆兰(Bulbophyllum longissimum)的叶绿体基因组进行测序、组装与注释,并与已发表的4种石豆兰属植物叶绿体基因组数据开展密码子偏好、重复序列及序列变异比较分析。结果显示:美花卷瓣兰和长花石豆兰的叶绿体基因组分别为148 447、151 095 bp,均呈典型环状四分体结构,分别包含126、129个功能基因;亮氨酸密码子偏好性最强,以A/U结尾密码子占比较高;SSR以单核苷酸重复(A/T类型)为主,长重复序列多为回文重复;变异区域集中于非编码区和部分编码基因(如matKycf1等),IR/SC边界存在扩张收缩差异;系统发育分析表明,32个石豆兰属物种在系统树上形成高支持率的进化分支,并呈现出亚洲类群与中南美洲类群2个地理分支的明显分化,其中美花卷瓣兰与长花石豆兰在亚洲类群内聚为一支,亲缘关系较近。本研究为石豆兰属植物的资源开发、遗传保护和系统发育研究提供分子依据。

美花卷瓣兰  /  长花石豆兰  /  叶绿体基因组  /  比较基因组学  /  系统发育分析

The aim of the study was to characterize the chloroplast genome structure and phylogenetic relationships within the genus Bulbophyllum. We sequenced, assembled, and annotated the chloroplast genomes of B. rothschildianum and B. longissimum for the first time. Comparative analyses of codon usage bias, repeat sequences, and sequence variation were then conducted with the available chloroplast genomes from four previously published Bulbophyllum species. The chloroplast genome of B. rothschildianum and B. longissimum was 148 447 bp and 151 095 bp, respectively, both showing a typical circular quadripartite structure containing 126 and 129 functional genes. Codons encoding leucine exhibited the strongest usage bias, with codons ending in A/U being particularly abundant. SSR analysis revealed mononucleotide repeats (predominantly A/T type) were most abundant, and palindromic repeats dominated among long repeats. Highly variable regions were mainly located in non-coding regions and selected coding genes (e.g., matK and ycf1), with evident expansion and contraction at IR/SC boundaries. Phylogenetic analysis showed that the 32 Bulbophyllum species formed a strongly supported clade and exhibited clear geographic differentiation into Asian and Central and South American lineages, with B. rothschildianum and B. longissimum clustering together within the Asian lineage and being closely related. The study would provide molecular insights into resource development, genetic conservation, and systematic research in the genus Bulbophyllum.

Bulbophyllum rothschildianum  /  Bulbophyllum longissimum  /  chloroplast genome  /  comparative genomics  /  phylogenetic analysis
邹婉霞, 欧阳勤森, 田海娟, 郝静静, 卓书斌. 美花卷瓣兰与长花石豆兰的叶绿体基因组比较和系统发育分析. 热带作物学报, 2026 , 47 (2) : 336 -349 . DOI: 10.3969/j.issn.1000-2561.2026.02.006
Wanxia ZOU, Qinsen OUYANG, Haijuan TIAN, Jingjing HAO, Shubin ZHUO. Comparative Analysis and Phylogenetic Study of the Chloroplast Genomes of Bulbophyllum rothschildianum and Bulbophyllum longissimum[J]. Chinese Journal of Tropical Crops, 2026 , 47 (2) : 336 -349 . DOI: 10.3969/j.issn.1000-2561.2026.02.006
  • 东莞市社会发展科技项目(20231800940762)
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doi: 10.3969/j.issn.1000-2561.2026.02.006
  • 接收时间:2025-11-05
  • 首发时间:2026-06-26
  • 出版时间:2026-02-25
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  • 收稿日期:2025-11-05
  • 录用日期:2025-11-25
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东莞市社会发展科技项目(20231800940762)
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    东莞植物园,广东东莞 523128

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* 卓书斌(ZHUO Shubin),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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