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2 Department of Mining Engineering, Shanxi Institute of Technology, Yangquan, Shanxi Province 045000, China, correspAuthors=null, 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=1309575078598238651, articleId=1309575077864235450, tenantId=1146029695717560320, journalId=1308397196074385509, language=CN, title=偏关苜蓿MsLAC17基因克隆及其对非生物胁迫的响应分析, columnId=1309565024058835950, journalTitle=草地学报, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=漆酶(Laccase,LAC)作为铜蓝氧化酶蛋白家族的重要成员,在植物生长发育调控及非生物胁迫响应过程中扮演着关键角色。本研究选取山西地方优良种质‘偏关’苜蓿(Medicago sativa ‘Pianguan’)作为试验材料,采用PCR技术克隆获得MsLAC17基因,通过生物信息学手段对该基因进行分析,并利用荧光定量PCR技术,系统探究了MsLAC17基因表达的组织特异性,及其在不同非生物胁迫下的响应情况。结果显示:MsLAC17基因全长1782 bp,编码593个氨基酸,该蛋白的相对分子质量为66.26 kDa,理论等电点为10.05,属于亲水性蛋白,主要位于叶绿体和线粒体中。系统进化分析结果表明,‘偏关’苜蓿LAC17蛋白与蒺藜苜蓿(Medicago truncatula)的LAC17蛋白亲缘关系较近。荧光定量PCR检测发现MsLAC17基因在‘偏关’苜蓿茎中表达量最高,且对盐、干旱和ABA处理均有响应,推测该基因可能在调控‘偏关’苜蓿应对非生物胁迫的过程中发挥作用,本研究结果为进一步明晰MsLAC17基因的生物学功能奠定理论基础。, authors=杜欣蔚1, 戎睿伟1, 华怡雯1, 刘怡1, 陶佳丽1,2, 周思懿1, 许涛1, 岑慧芳1, 朱慧森1, authorsList=杜欣蔚, 戎睿伟, 华怡雯, 刘怡, 陶佳丽, 周思懿, 许涛, 岑慧芳, 朱慧森, authorCompany=1 山西农业大学草业学院, 山西 太谷 030801;
2 山西工程技术学院矿业工程系, 山西 阳泉 045000, correspAuthors=null, authorNote=杜欣蔚(2000-),女,汉族,山东淄博人,硕士研究生,主要从事牧草种质资源与育种相关研究,E-mail:dxwxiamo@163.com, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=cfA5Wtq8/71/7+DDDh5U8Q==, pdfFileSize=8321694, 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=国家自然科学基金项目 (32071872); 山西省中央引导地方科技发展资金项目 (YDZJSX2022B006); 现代种业发展项目 (sxzyk202501-7); 山西省重点研发计划课题 (202102140601006-3); 山西省基础研究计划 (202303021221101); 山西省来晋科研奖励 (SXBYKY2022118); 优秀博士启动项目 (2021BQ01,2023BQ03); 山西省研究生实践创新项目 (2024SJ133); 山西省研究生学术创新项目 (2025XS300))}, authors=null, keywords=[Keyword(id=1309575078946365885, tenantId=1146029695717560320, journalId=1308397196074385509, articleId=1309575077864235450, language=CN, orderNo=1, 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ZHUO C L,WANG X,DOCAMPO-PALACIOS M,et al. Developmental changes in lignin composition are driven by both monolignol supply and laccase specificity[J]. Science Advances,2022,8(10):eabm8145
CAI X N,DAVIS E J,BALLIF J,et al. Mutant identification and characterization of the laccase gene family in Arabidopsis[J]. Journal of Experimental Botany,2006,57(11):2563-2569
XU X,ZHOU Y P,WANG B,et al. Genome-wide identification and characterization of laccase gene family in Citrus sinensis[J]. Gene,2019,689:114-123
NIU Z M,LI G T,HU H Y,et al. A gene that underwent adaptive evolution, LAC2 (LACCASE), in Populus euphratica improves drought tolerance by improving water transport capacity[J]. Horticulture Research,2021,8:88
XU X,ZHANG Y L,LIANG M G,et al. The Citrus laccase gene CsLAC18 contributes to cold tolerance[J]. International Journal of Molecular Sciences,2022,23(23):14509
LI L,YANG K B,WANG S N,et al. Genome-wide analysis of laccase genes in moso bamboo highlights PeLAC10 involved in lignin biosynthesis and in response to abiotic stresses[J]. Plant Cell Reports,2020,39(6):751-763
ZHUANG Y,ZUO D Q,TAO Y H,et al. Laccase3-based extracellular domain provides possible positional information for directing Casparian strip formation in Arabidopsis[J]. Proceedings of the National Academy of Sciences of the United States of America,2020,117(27):15400-15402
BAI Y S,ZHOU J J,TANG Y L. Plant laccases and their roles in plant growth and development[J]. Chinese Bulletin of Life Sciences,2022,34(9):1135-1144 白永生,周嘉杰,唐玉林. 植物漆酶及其在植物生长发育中的作用[J]. 生命科学,2022,34(9):1135-1144
ZHAO J Y,LI X Y,ZHU H S,et al. Seed germination and plant regeneration system optimization of Medicago sativa ‘Pianguan’[J]. Acta Agrestia Sinica,2020,28(4):947-955 赵娇阳,李小艳,朱慧森,等. 偏关苜蓿种子萌发及植株再生体系优化[J]. 草地学报,2020,28(4):947-955
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MOT A C,SILAGHI-DUMITRESCU R. Laccases: complex architectures for one-electron oxidations[J]. Biochemistry(Moscow),2012,77(12):1395-1407
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TIAN Q L,LIN Y L,ZHENG Q Y,et al. Cloning and expression analyses of DlLac7 in Dimocarpus longan[J]. Journal of Fruit Science,2016,33(10):1185-1193 田奇琳,林玉玲,郑庆游,等. 龙眼DlLac7的克隆及其表达调控分析[J]. 果树学报,2016,33(10):1185-1193
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GU M Z. Identification of laccase genes from Poncirus trifoliata under salt stress and regulation by exogenous methyl jasmonate[D]. Yangzhou:Yangzhou University,2023:33 顾铭洲. 盐胁迫下枳漆酶基因的鉴定及外源茉莉酸甲酯的调节作用研究[D]. 扬州:扬州大学,2023:33
CHENG T,REN C Y,XU J H,et al. Genome-wide analysis of the common bean (Phaseolus vulgaris) laccase gene family and its functions in response to abiotic stress[J]. BMC Plant Biology,2024,24(1):688
TURLAPATI P V,KIM K W,DAVIN L B,et al. The laccase multigene family in Arabidopsis thaliana: towards addressing the mystery of their gene function(s)[J]. Planta,2011,233(3):439-470)
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草地学报 |研究论文 2026 , 34 (6) : 2022 -2031
偏关苜蓿MsLAC17基因克隆及其对非生物胁迫的响应分析
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杜欣蔚1, 戎睿伟1, 华怡雯1, 刘怡1, 陶佳丽1,2, 周思懿1, 许涛1, 岑慧芳1, 朱慧森1
作者信息
    1 山西农业大学草业学院, 山西 太谷 030801;
    2 山西工程技术学院矿业工程系, 山西 阳泉 045000
作者简介:
杜欣蔚(2000-),女,汉族,山东淄博人,硕士研究生,主要从事牧草种质资源与育种相关研究,E-mail:dxwxiamo@163.com
Cloning MsLAC17 Gene and Analysis of its Response to Abiotic Stress in Medicago sativa ‘Pianguan’
  • DU Xin-wei1, RONG Rui-wei1, HUA Yi-wen1, LIU Yi1, TAO Jia-li1,2, ZHOU Si-yi1, XU Tao1, CEN Hui-fang1, ZHU Hui-sen1
  • Affiliations
      1 College of Grassland Science, Shanxi Agricultural University, Taigu, Shanxi Province 030801, China;
      2 Department of Mining Engineering, Shanxi Institute of Technology, Yangquan, Shanxi Province 045000, China
    doi: 10.11733/j.issn.1007-0435.2026.06.006
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    漆酶(Laccase,LAC)作为铜蓝氧化酶蛋白家族的重要成员,在植物生长发育调控及非生物胁迫响应过程中扮演着关键角色。本研究选取山西地方优良种质‘偏关’苜蓿(Medicago sativa ‘Pianguan’)作为试验材料,采用PCR技术克隆获得MsLAC17基因,通过生物信息学手段对该基因进行分析,并利用荧光定量PCR技术,系统探究了MsLAC17基因表达的组织特异性,及其在不同非生物胁迫下的响应情况。结果显示:MsLAC17基因全长1782 bp,编码593个氨基酸,该蛋白的相对分子质量为66.26 kDa,理论等电点为10.05,属于亲水性蛋白,主要位于叶绿体和线粒体中。系统进化分析结果表明,‘偏关’苜蓿LAC17蛋白与蒺藜苜蓿(Medicago truncatula)的LAC17蛋白亲缘关系较近。荧光定量PCR检测发现MsLAC17基因在‘偏关’苜蓿茎中表达量最高,且对盐、干旱和ABA处理均有响应,推测该基因可能在调控‘偏关’苜蓿应对非生物胁迫的过程中发挥作用,本研究结果为进一步明晰MsLAC17基因的生物学功能奠定理论基础。
    ‘偏关’苜蓿  /  非生物胁迫  /  MsLAC17  /  表达模式
    Laccase (LAC), as an important member of the ceruloplasmin protein family, plays a key role in the regulation of plant growth and development and the response to abiotic stress. In this study, the local superior germplasm of Medicago sativa ‘Pianguan’ in Shanxi Province was used as the experimental material. The MsLAC17 gene was cloned by PCR. And was analyzed by bioinformatics means and fluorescence quantitative PCR technology. The tissue specificity expression of MsLAC17 gene and its response under different abiotic stresses were systematically explored. The results showed that the length of the MsLAC17 gene is 1782 bp, encoding 593 amino acids. The relative molecular mass of this protein is 66.26 kDa, and its theoretical isoelectric point is 10.05. It is a hydrophilic protein mainly located in chloroplasts and mitochondria. The results of phylogenetic analysis indicated that the LAC17 protein of Medicago sativa ‘Pianguan’ is closely related to that of Medicago truncatula. Fluorescence quantitative PCR detection revealed that the expression level of the MsLAC17 gene was the highest in the stem, and responded to salt, drought and ABA treatment. It is speculated that this gene may play a role in regulating the response of Medicago sativa ‘Pianguan’ to abiotic stress. The results of this study provide an important basis for further clarifying the biological function of the MsLAC17 gene.
    Medicago sativa ‘Pianguan’  /  Abiotic stress  /  MsLAC17  /  Expression pattern
    杜欣蔚, 戎睿伟, 华怡雯, 刘怡, 陶佳丽, 周思懿, 许涛, 岑慧芳, 朱慧森. 偏关苜蓿MsLAC17基因克隆及其对非生物胁迫的响应分析. 草地学报, 2026 , 34 (6) : 2022 -2031 . DOI: 10.11733/j.issn.1007-0435.2026.06.006
    DU Xin-wei, RONG Rui-wei, HUA Yi-wen, LIU Yi, TAO Jia-li, ZHOU Si-yi, XU Tao, CEN Hui-fang, ZHU Hui-sen. Cloning MsLAC17 Gene and Analysis of its Response to Abiotic Stress in Medicago sativa ‘Pianguan’[J]. Acta Agrestia Sinica, 2026 , 34 (6) : 2022 -2031 . DOI: 10.11733/j.issn.1007-0435.2026.06.006

      国家自然科学基金项目 (32071872); 山西省中央引导地方科技发展资金项目 (YDZJSX2022B006); 现代种业发展项目 (sxzyk202501-7); 山西省重点研发计划课题 (202102140601006-3); 山西省基础研究计划 (202303021221101); 山西省来晋科研奖励 (SXBYKY2022118); 优秀博士启动项目 (2021BQ01,2023BQ03); 山西省研究生实践创新项目 (2024SJ133); 山西省研究生学术创新项目 (2025XS300)

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    MUNK L,SITARZ A K,KALYANI D C,et al. Can laccases catalyze bond cleavage in lignin?[J]. Biotechnology Advances,2015,33(1):13-24
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    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
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