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辣木内生真菌的分离及其抗菌活性物质的初步研究
引用本文:柯野,陈喆,马建波,黄晓敏,曾松荣.辣木内生真菌的分离及其抗菌活性物质的初步研究[J].湖南农业大学学报(自然科学版),2006,32(5):521-523.
作者姓名:柯野  陈喆  马建波  黄晓敏  曾松荣
作者单位:韶关学院,生物工程系,广东,韶关,512005
摘    要:从辣木中分离得到1株内生真菌ly14,其发酵液对金黄色葡萄球菌、绿脓杆菌和掷孢酵母有很强的抗菌作用.该菌发酵液中的抗菌物质对温度、pH及紫外线照射有较强的稳定性;ly14代谢物的理化特性表明,抗菌物质为极性酸性化合物,其紫外可见吸收光谱在276nm处出现了一个较为明显的吸收峰.

关 键 词:辣木  内生真菌  抗菌活性物质
文章编号:1007-1032(2006)05-0521-03
修稿时间:2006年4月30日

Studies of Isolation of Endophytic Fungi from Moringa sp. and Antibiotic Active Substance Produced by the Aspergillus sp. ly14
KE Ye,CHEN Zhe,MA Jian-bo,HUANG Xiao-min,ZENG Song-rong.Studies of Isolation of Endophytic Fungi from Moringa sp. and Antibiotic Active Substance Produced by the Aspergillus sp. ly14[J].Journal of Hunan Agricultural University,2006,32(5):521-523.
Authors:KE Ye  CHEN Zhe  MA Jian-bo  HUANG Xiao-min  ZENG Song-rong
Abstract:One Aspergillus sp.ly14 strain of endophytic fungi was isolated from Moringa sp..The fermented broth of the strain strongly inhibited the growth of Staphylococcus aureus,Pseudomonas aeruginosa and Sporobolomyces roseus.The bioactive substance in the fermented broth was stable to the heat,pH and ultraviolet.The physical and chemical properties showed that the antibiosis substance from ly14 metabolites was polar and acidic,with an absorption peak(276 nm) in UV-Vis spectra.The studies provided valuable information for the further purification and structure determination.
Keywords:Moringa sp    endophytic fungi  antibiotic active substance
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