吉首大学学报(自然科学版) ›› 2023, Vol. 44 ›› Issue (2): 47-51.DOI: 10.13438/j.cnki.jdzk.2023.02.007

• 生物 • 上一篇    下一篇

薰衣草内生真菌YDZ-8抗菌活性及菌种鉴定

陈天意,努兰·拜都拉,玛依拉·吐尔德别克,恩特马克·布拉提白   

  1. (伊犁师范大学生物与地理科学学院,新疆 伊宁 835000)
  • 出版日期:2023-03-25 发布日期:2023-04-25
  • 通讯作者: 恩特马克·布拉提白(1961—),男,新疆昭苏人,伊犁师范大学生物与地理科学学院教授,主要从事微生物分离、鉴定及活性成分研究.
  • 作者简介:陈天意(1997—),男,甘肃兰州人,伊犁师范大学生物与地理科学学院硕士研究生,主要从事植物促生菌研究
  • 基金资助:
    国家自然科学基金资助项目(31960270)

Antibacterial Activity and Identification of Endophytic Fungi YDZ-8 Isolated from Lavandula angustifolia Mill.

CHEN Tianyi,BAIDOULA·Nulan,TUERDEBIEKE·Mayila,ENTOMACKY·Borrathyba   

  1. (College of Biology and Geography Sciences,Yili Normal University,Yining 835000,Xinjiang China)
  • Online:2023-03-25 Published:2023-04-25

摘要:为了筛选具有抗菌活性的内生真菌,采用表面消毒法和组织分离法从药用植物薰衣草的根组织中分离内生真菌,用纸片法检测内生真菌的抗菌活性,通过形态特征观察和rDNA基因ITS序列分析方法对活性菌株进行鉴定.结果显示,从薰衣草的根中分离出9株形态特征有差异的内生真菌,其中菌株YDZ-8对金黄色葡萄球菌有较好的抑菌作用.根据菌株YDZ-8的形态特征和rDNA基因ITS序列同源性,鉴定该菌株为哈茨木霉菌.

关键词: 薰衣草, 内生真菌, 抗菌活性, ITS序列

Abstract: The endophytic fungi were isolated from the roots of Lavandula angustifolia Mill. by surface disinfection method and tissue isolation method,and the antibacterial activity against the Staphylococcus aureus was evaluated by paper disk diffusion method.The active isolates were identified in terms of  their morphological features by phylogenetic analysis based on ITS sequence of rDNA gene.The results showed that the endophytic fungi of YDZ-8 had remarkable antibacterial activity against Staphylococcus aureus strain CGMCC1.872.Fungal morphological and molecular identification demonstrated that the endophytic fungi strain YDZ-8 represented Trichoderma harzianum.

Key words: Lavandula angustifolia Mill., endophytic fungi, antibacterial activity, ITS sequences

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