ITS2相关论文
目的对来自不同地域的多花黄精野生资源的核糖体内转录间隔区2(internal transcribed spacer 2,ITS2)和psbA-trnH基因间隔区序列进行......
目的:针对蒙医和藏医所用的悬钩子木品种繁多、相互混用的现象,对其基原植物进行梳理,建立悬钩子木及其混伪品的有效鉴定方法。方法:通......
目的 利用ITS2(Internal Transcribed Spacer 2)序列及其二级结构对传统中药连钱草与其地方习用品及易混品进行分类鉴定.方法 提取......
本文应用主成分分析和聚类分析等方法分析了中国21个省,秀体溞属5个形态种的46个种群的形态可度量特征,测定了43个种群的132条COI......
蒲螨(Pyemotes)全部为昆虫外寄生螨,是隐蔽性、群居性害虫的潜在生物制约因子。蒲螨个体微小,体长仅200μm左右,可供分类鉴定的形态......
本文利用PCR技术克隆高山榕榕小蜂Eupristina属2种雌雄蜂(Eupristina altissima和Eupristina sp.)、大叶榕的非传粉小蜂(Otitesella m......
目的 基于DNA条形码技术对北苍术种子进行鉴定研究及序列特征分析,探讨北苍术种子DNA条形码技术鉴定的可行性.方法 收集北苍术种子......
以收集的28份柴胡种子为试材,采用种子外观鉴定和DNA分子鉴定相结合的方法,研究了28份柴胡种子间的亲缘关系,以期为DNA条形码和种......
对黑龙江省柳属不同植物ITS2和psbA-trnH基因间隔区序列进行系统发育分析,探索柳属植物的遗传多样性和亲缘关系.提取柳属植物和柽......
目的 建立南大青叶马蓝Baphicacanthus cusia的分子鉴别方法.方法 分析36批马蓝及其混伪品的ITS2和psbA-trnH基因序列信息,根据关......
目的:建立基于高通量测序技术的11种乌头属药材混合粉末分子鉴定方法.方法:采用高通量测序技术,对11种乌头属药材混合粉末样品中的......
Herba Anoectochili is a commonly used medicinal material.However,its adulteration is a serious concern.Due to the simila......
The aim is to select a universal DNA barcode for identifying all poisonous medicinal plants in Chinese pharmacopoeia and......
To ensure the safety of medications,it is vital to accurately authenticate species of the Apocynaceae family,which is ri......
Survey of traditional Dai medicine reveals species confusion and potential safety concerns: a case s
The adulteration of herbal products is a threat to consumer safety.In the present study,we surveyed the species composit......
地衣是真菌与藻类或蓝细菌互惠共生的生命支撑系统及微型生态系统,其体内不仅存在占主导地位的真菌生物体(mycobiont)及光合生物体(......
Environmental selection and dispersal limitation are two of the primary processes structuring biotic communities in ecos......
为调查广西地区小土蜗螺(Galba pervia)中寄生吸虫种类,于2012年8月至2014年8月期间,在广西区内邕江、柳江、右江、郁江流域的南宁......
目的:应用ITS2序列快速并准确地鉴定血竭基原植物麒麟竭及其混伪品的基原植物剑叶龙血树和海南龙血树,对保障血竭药材质量具有重要......
目的:本研究以多基原药材牵牛子为研究对象,探讨用Taqman探针快速鉴定和区分近缘物种的方法.方法:分别提取牵牛子药材基原物种裂叶牵......
目的:本研究利用ITS2序列对苗药金铁锁及其混伪品进行鉴定研究,从而确保药材质量,保障临床用药安全.方法:提取金铁锁药材及其混伪品......
Indirubin possess great medicinal efficacy in the treatment of chronic myelocytic leukemia (CML).This study provides a n......
Assessing the Stability and Accuracy of the Identification of the Traditional Chinese Materia Medica
The identification of the traditional Chinese materia medica is very difficult,and DNA barcoding is a efficient method f......
Short sequence and secondary structure of ITS2, compared to the full length ITS, provide efficient t
An ideal DNA barcoding region should be short enough to amplify from degraded DNA.In this article,we discuss the possibi......
Intraspecific Variation and SNP Identification in Medicinal Species of Panax Genus Based on DNA Barc
Aim of the study:Firstly to identify Panax genus by SNP sites,and to set up a special molecular identification method of......
The Consortium for the Barcode of Life (CBOL) Plant Working Group (PWG) established the use of matK+rbcL as core barcode......
In recent years,traditional identification methods(botanical source and morphological identification,microscopic identif......
Object: The genus Hippophae comprises of several important medical species which widely used in traditional Chinese medi......
Applying DNA Barcoding Technique to Identify Traditional SHE Medicine Shi-Liang-Cha and Some Chimona
Traditional SHE Medicine is an important part of folk medicine with a long history and has attracted high attention of e......
Identification of the dried root of Angellica sinensis (Oliv.) Diels with three easy confused medici
Objective:To identification Angellica sinensis (Oliv) Diels (Chinese name:Dang-gui).and four medicinal plants,Angelica a......
新疆紫草(Arnebia euchroma)以根入药,具有抗炎、抗肿瘤等多种药理活性。随着紫草资源不断减少,市场上逐渐出现以假乱真、以次充好等......
本文利用ITS2序列及其二级结构对传统中药材牛尾独活、当归、独活和羌活进行分类鉴定。通过GenBank数据库中下载牛尾独活等药材共7......
目的评价两种DNA条形码候选区对常见人参属药用植物品种的鉴别能力。方法选择ITS2和psbA-trnH序列扩增并测序,运用最大简约法(maxi......
苦杏仁为药食两用品种,因其富含油脂等营养物质而易受到真菌污染。本研究基于DNA宏条形码技术对苦杏仁中污染真菌的多样性进行分析......
橡胶草(Taraxacum kok-saghyz,TKS)作为天然橡胶替代资源,具有重要应用前景,但由于两种生活力更强的近缘种短角蒲公英(T.brevicorn......
【目的】玉米象Sitophilus zeamais(Motschulsky)为世界性分布仓储物害虫,食性极广,在我国多数省(区)均有分布。由于该虫与米象Sitophi......
目的利用DNA条形码技术评估ITS2序列对海南大戟科植物的鉴定能力。方法利用PCR测序法,对供试样本ITS2片段进行双向测序,所得序列经......
目的:采用ITS2序列鉴定从市场上收集的矮地茶药材,为保证矮地茶药用安全提供可靠的基因识别方法.方法:收集矮地茶药材基原物种紫金牛......
目的筛选出适合芦荟属6种植物的DNA条形码序列。方法采用试剂盒法提取芦荟属6个品种基原植物的18份样本基因组DNA,应用通用引物扩......
中药超微饮片和破壁饮片已失去中药材外观性状及显微鉴别特征,传统鉴定方法无法有效鉴定其真伪。本研究选用ITS2序列作为DNA条形码......
为明确针叶小爪螨Oligonychus ununguis(Jacobi)山东板栗种群和浙江杉木种群的遗传分化程度,本研究对其基因序列(线粒体COⅠ和核糖......
DNA条形码是具有较大应用前景的物种鉴定方法,但众多研究表明在种子植物中较难找到一段通用的DNA片段.虽然ITS/ITS2被提议作为种子......