|本期目录/Table of Contents|

[1]蔡升,杨平,续晨,等.超富硒植物壶瓶碎米荠ITS序列克隆与分析[J].江苏农业科学,2021,49(10):48-51.
 Cai Sheng,et al.Cloning and analysis of ITS sequence for super selenium accumulating plant Cardamine hupingshanesis[J].Jiangsu Agricultural Sciences,2021,49(10):48-51.
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超富硒植物壶瓶碎米荠ITS序列克隆与分析(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第49卷
期数:
2021年第10期
页码:
48-51
栏目:
生物技术
出版日期:
2021-05-20

文章信息/Info

Title:
Cloning and analysis of ITS sequence for super selenium accumulating plant Cardamine hupingshanesis
作者:
蔡升 杨平 续晨 蔡小宁
南京晓庄学院食品科学学院,江苏南京 211171
Author(s):
Cai Sheng et al
关键词:
壶瓶碎米荠核糖体转录间隔区遗传进化假说
Keywords:
-
分类号:
Q755;S188
DOI:
-
文献标志码:
A
摘要:
用1对通用引物对采集自湖北省恩施市鱼塘坝独特富硒矿床土壤上的壶瓶碎米荠叶片DNA进行PCR扩增,然后对PCR扩增产物测序,获得了长度为852 bp的包含核糖体基因转录间隔区的DNA序列。将获得的多条碎米荠属不同物种的核糖体基因转录间隔区的DNA序列进行比对,拼接出“基准”序列,然后再比较不同物种核糖体基因转录间隔区的序列与“基准”序列的碱基差异。结果表明,壶瓶碎米荠与“基准”序列相比,碱基差异最多,达到17处,远远超过同属其他物种与“基准”序列的碱基差异,是平均数的3.3倍。据此推测,某种碎米荠长期生长于恩施市富硒地区,产生了能够适应高含量硒土壤逆境的遗传变异,形成了超强富硒的能力,进化出了壶瓶碎米荠这一新物种,从而提出了壶瓶碎米荠在高含量硒土壤逆境中加速进化假说。
Abstract:
-

参考文献/References:

[1]Yuan L X,Zhu Y Y,Lin Z Q,et al. A novel selenocystine-accumulating plant in selenium-mine drainage area in Enshi,China[J]. PLoS One,2013,8(6):e65615.
[2]Shao S X,Deng G D,Mi X B,et al. Accumulation and speciation of selenium in Cardamine sp. in Yutangba Se Mining Field,Enshi,China[J]. Chinese Journal of Geochemistry,2014,33(4):357-364.
[3]Chen S L,Yao H,Han J P,et al. Validation of the ITS2 region as a novel DNA barcode for identifying medicinal plant species[J]. PLoS One,2010,5(1):e8613.
[4]王玉兵,陈发菊,梁宏伟. 湖北省碎米荠属一新记录种——壶瓶碎米荠[J]. 湖北农业科学,2010,49(9):2160-2161.
[5]戴光忠. 我国富硒农业地质环境调查进展分析[J]. 安徽农业科学,2013,41(30):12140-12143.
[6]罗金玲,杨珖,陈鸿辉,等. 壶瓶碎米荠对硒酸钠胁迫响应研究[J]. 湖北农业科学,2020,59 (11):47-50.
[7]Bai H F,Chen L B,Liu K M,et al. A new species of Cardamine (Brassicaceae) from Hunan,China[J]. Novon,2008,18(2):135-137.

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备注/Memo

备注/Memo:
收稿日期:2020-11-25
基金项目:国家自然科学基金(编号:31400567)。
作者简介:蔡升(1993—),女,江苏南京人,博士研究生,主要从事作物遗传育种与种质资源评价利用研究。E-mail:137151377@qq.com。
通信作者:蔡小宁,研究员,主要从事农业生物技术研究。E-mail:bioxncai@163.com。
更新日期/Last Update: 2021-05-20