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Article(id=1307407838096150846, tenantId=1146029695717560320, journalId=1306273872116547672, issueId=1307407819406340606, articleNumber=null, orderNo=null, doi=10.16819/j.1001-7216.2026.250108, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1736438400000, receivedDateStr=2025-01-10, revisedDate=1743436800000, revisedDateStr=2025-04-01, acceptedDate=null, acceptedDateStr=null, onlineDate=1789639919064, onlineDateStr=2026-09-17, pubDate=1773072000000, pubDateStr=2026-03-10, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1789639919064, onlineIssueDateStr=2026-09-17, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1789639919064, creator=13701087609, updateTime=1789639919064, updator=13701087609, issue=Issue{id=1307407819406340606, tenantId=1146029695717560320, journalId=1306273872116547672, year='2026', volume='40', issue='2', pageStart='145', pageEnd='280', issueExtLink='null', onlineDate='null', pubDate='1773072000000', pubDateStr='2026-03-10', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1789639914608, creator='13701087609', updateTime=1789640017061, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1307408249192473376, tenantId=1146029695717560320, journalId=1306273872116547672, issueId=1307407819406340606, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1307408249196667681, tenantId=1146029695717560320, journalId=1306273872116547672, issueId=1307407819406340606, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=235, endPage=243, ext={EN=ArticleExt(id=1307407838591078719, articleId=1307407838096150846, tenantId=1146029695717560320, journalId=1306273872116547672, language=EN, title=Development of High-quality Aromatic japonica Rice Lines by Using CRISPR/Cas9 Technology, columnId=1307407385149071973, journalTitle=Chinese Journal of Rice Science, columnName=Research Papers, runingTitle=null, highlight=null, articleAbstract=
【Objective】

Fragrance is an important trait of rice eating quality. In this study, the fragrance gene Badh2 in rice was edited using CRISPR/Cas9 technology to create a high-quality aromatic japonica rice line.

【Method】

Two target sequences located in the third and fourth exons of Badh2 were selected as target sites for constructing the binary expression vector pHUE411-Badh2-gRNA. The high-quality japonica rice line Tai 20-29 was used as the transformation material.

【Result】

Twenty T0 transgenic plants were obtained after transformation. Through propagation, PCR, and sequencing verification, six homozygous mutants with different base alterations in the third and fourth exons of Badh2 were identified. Except for a slightly lower seed setting rate and a higher grain number per panicle, the six mutants(bh62, bh64, bh65, bh67, bh68, and bh74) showed similar agronomic traits such as panicle length, grain length, grain width, and 1000-grain weight compared with the wild-type Tai 20-29. The mutants showed a significantly lower seed setting rate and a higher grain number per panicle compared to Tai 20-29. The 2-AP content in brown rice of mutants bh62, bh64, bh65, and the wild type was determined by GC-MS. The results showed that the 2-AP content in the mutants increased significantly, reaching 24.27, 33.89, and 38.96 mg/kg, respectively, which was much higher than that in Tai 20-29.

【Conclusion】

We successfully generated a high-quality aromatic japonica rice line by editing the Badh2 gene using CRISPR/Cas9 technology.

, authors=Min DUAN1, Liujie XIE1, Yani YUE1, Shanjun HUANG1, authorsList=Min DUAN, Liujie XIE, Yani YUE, Shanjun HUANG, authorCompany=null, correspAuthors=Shanjun HUANG, authorNote=null, correspAuthorsNote=

*

email:
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【目的】

香味是水稻重要的食味品质性状。本研究选择优质粳稻品系台20-29为研究对象，利用CRISPR/Cas9技术对其香味基因Badh2进行编辑，以期获得具有香味的优质粳稻品系。

【方法】

选择香味基因Badh2第3、第4外显子上的2段序列作靶位点，构建双元表达载体pHUE411-Badh2-gRNA并转入台20-29获得转基因植株。

【结果】

20株T0植株经过加代、潮霉素标记检测、测序比对，共计获得22个T1代无载体纯合突变株，包括6种突变类型，每种突变体在第3、第4外显子上存在不同程度的碱基变化。6个香味突变体bh62、bh64、bh65、bh67、bh68、bh74在穗长、粒长、粒宽、千粒重等方面与野生型台20-29基本一致，结实率有所下降，每穗粒数稍有提升，稻米品质没有明显变化。利用气相色谱-质谱技术检测突变体bh62、bh64、bh65的糙米中香味物质2-AP含量，结果表明糙米中2-AP含量较台20-29极显著提高，分别达到24.27、33.89、38.96 mg/kg。

【结论】

对水稻香味基因Badh2进行编辑可以高效获得具有香味的水稻优质品系。

, authors=段敏1, 谢留杰1, 岳雅妮1, 黄善军1, *, *, authorsList=段敏, 谢留杰, 岳雅妮, 黄善军, authorCompany=null, correspAuthors=黄善军, authorNote=null, correspAuthorsNote=

*

email:
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基于CRISPR/Cas9技术创制优质香味粳稻品系
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段敏 1 , 谢留杰 1 , 岳雅妮 1 , 黄善军 1, *, *
中国水稻科学 | 研究报告 2026,40(2): 235-243
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中国水稻科学 |研究报告 2026 , 40 (2) : 235 -243
基于CRISPR/Cas9技术创制优质香味粳稻品系
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段敏1, 谢留杰1, 岳雅妮1, 黄善军1, *, *
作者信息
  • 1台州市农业科学研究院，浙江 台州 318000
通讯作者:
Development of High-quality Aromatic japonica Rice Lines by Using CRISPR/Cas9 Technology
Min DUAN1, Liujie XIE1, Yani YUE1, Shanjun HUANG1
Affiliations
  • 1Taizhou Academy of Agricultural Sciences, Taizhou 318000, China
    • Corresponding Author:

    *

    email:
出版时间: 2026-03-10 doi: 10.16819/j.1001-7216.2026.250108
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摘要
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【目的】

香味是水稻重要的食味品质性状。本研究选择优质粳稻品系台20-29为研究对象，利用CRISPR/Cas9技术对其香味基因Badh2进行编辑，以期获得具有香味的优质粳稻品系。

【方法】

选择香味基因Badh2第3、第4外显子上的2段序列作靶位点，构建双元表达载体pHUE411-Badh2-gRNA并转入台20-29获得转基因植株。

【结果】

20株T0植株经过加代、潮霉素标记检测、测序比对，共计获得22个T1代无载体纯合突变株，包括6种突变类型，每种突变体在第3、第4外显子上存在不同程度的碱基变化。6个香味突变体bh62、bh64、bh65、bh67、bh68、bh74在穗长、粒长、粒宽、千粒重等方面与野生型台20-29基本一致，结实率有所下降，每穗粒数稍有提升，稻米品质没有明显变化。利用气相色谱-质谱技术检测突变体bh62、bh64、bh65的糙米中香味物质2-AP含量，结果表明糙米中2-AP含量较台20-29极显著提高，分别达到24.27、33.89、38.96 mg/kg。

【结论】

对水稻香味基因Badh2进行编辑可以高效获得具有香味的水稻优质品系。

水稻  /  潮霉素  /  CRISPR/Cas9  /  香味基因  /  2-乙酰-1-吡咯啉
【Objective】

Fragrance is an important trait of rice eating quality. In this study, the fragrance gene Badh2 in rice was edited using CRISPR/Cas9 technology to create a high-quality aromatic japonica rice line.

【Method】

Two target sequences located in the third and fourth exons of Badh2 were selected as target sites for constructing the binary expression vector pHUE411-Badh2-gRNA. The high-quality japonica rice line Tai 20-29 was used as the transformation material.

【Result】

Twenty T0 transgenic plants were obtained after transformation. Through propagation, PCR, and sequencing verification, six homozygous mutants with different base alterations in the third and fourth exons of Badh2 were identified. Except for a slightly lower seed setting rate and a higher grain number per panicle, the six mutants(bh62, bh64, bh65, bh67, bh68, and bh74) showed similar agronomic traits such as panicle length, grain length, grain width, and 1000-grain weight compared with the wild-type Tai 20-29. The mutants showed a significantly lower seed setting rate and a higher grain number per panicle compared to Tai 20-29. The 2-AP content in brown rice of mutants bh62, bh64, bh65, and the wild type was determined by GC-MS. The results showed that the 2-AP content in the mutants increased significantly, reaching 24.27, 33.89, and 38.96 mg/kg, respectively, which was much higher than that in Tai 20-29.

【Conclusion】

We successfully generated a high-quality aromatic japonica rice line by editing the Badh2 gene using CRISPR/Cas9 technology.

rice  /  hygromycin  /  CRISPR/Cas9  /  fragrance gene  /  2-acetyle-1-pyrroline (2-AP)
段敏, 谢留杰, 岳雅妮, 黄善军. 基于CRISPR/Cas9技术创制优质香味粳稻品系. 中国水稻科学, 2026 , 40 (2) : 235 -243 . DOI: 10.16819/j.1001-7216.2026.250108
Min DUAN, Liujie XIE, Yani YUE, Shanjun HUANG. Development of High-quality Aromatic japonica Rice Lines by Using CRISPR/Cas9 Technology[J]. Chinese Journal of Rice Science, 2026 , 40 (2) : 235 -243 . DOI: 10.16819/j.1001-7216.2026.250108
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  • 浙江省农业新品种选育重大科技专项(2021C02063-5-5)
  • 台州市农业计划科技项目(23nya09)
  • 浙江省基础公益研究计划资助项目(LQ24C60003)
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doi: 10.16819/j.1001-7216.2026.250108
  • 接收时间：2025-01-10
  • 首发时间：2026-09-17
  • 出版时间：2026-03-10
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  • 收稿日期：2025-01-10
  • 修回日期：2025-04-01
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浙江省农业新品种选育重大科技专项(2021C02063-5-5)
台州市农业计划科技项目(23nya09)
浙江省基础公益研究计划资助项目(LQ24C60003)
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    1台州市农业科学研究院，浙江 台州 318000

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2种不同金属材料的力学参数
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Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
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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