| 来源于酸马奶的植物乳杆菌Bx6-2抑制甜瓜疫霉菌的研究 |
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| 引用本文： | 王海宽,史艳春,张和平,戚薇. 来源于酸马奶的植物乳杆菌Bx6-2抑制甜瓜疫霉菌的研究[J]. 天津科技大学学报, 2010, 25(1): 1-4 |
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| 作者姓名： | 王海宽 史艳春 张和平 戚薇 |
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| 作者单位： | 1. 工业微生物教育部重点实验室,天津科技大学生物工程学院,天津,300457
2. 乳品生物技术与工程教育部重点实验室,内蒙古农业大学,呼和浩特,010018 |
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| 基金项目： | 国家自然科学基金资助项目，乳品生物技术与工程教育部重点实验室开放课题 |
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| 摘 要： | 采用生长速率法测定植物乳杆菌Bx6-2的发酵液对甜瓜疫霉菌菌丝生长的影响,并对抑菌活性物质的理化性质进行了研究.结果表明,该菌的发酵液对甜瓜疫霉菌菌丝的生长有抑制作用.发酵液中的活性物质有较好的热稳定性,在pH 6.0时抑菌效果较好,对酸性蛋白酶敏感,对中性蛋白酶不敏感,常温下10 d的稳定性较好.通过调节pH、酶处理和加热处理实验,说明其抑菌活性物质不是乳酸,蛋白质类物质起了一定的抑菌作用,但其抑菌现象可能是与其他物质共同作用的结果.
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| 关 键 词： | 植物乳杆菌 甜瓜疫霉菌 植物致病真菌 |
Study on the Inhibition of Phytophthora. drechsleri Tucker by Lactobacillus plantarum Bx6-2 Isolated from Koumiss |
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| WANG Hai-kuan,SHI Yan-chun,ZHANG He-ping,QI Wei. Study on the Inhibition of Phytophthora. drechsleri Tucker by Lactobacillus plantarum Bx6-2 Isolated from Koumiss[J]. Journal of Tianjin University of Science & Technology, 2010, 25(1): 1-4 |
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| Authors: | WANG Hai-kuan SHI Yan-chun ZHANG He-ping QI Wei |
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| Affiliation: | WANG Hai-kuan1,SHI Yan-chun1,ZHANG He-ping2,QI Wei1(1.Key Laboratory of Industrial Microbiology,Ministry of Education,College of Biotechnology,Tianjin University of Science & Technology,Tianjin 300457,China,2.Key Laboratory of Dairy Biotechnology , Engineering,Inner Mongolia Agricultural University,Hohhot 010018,China) |
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| Abstract: | The effect of Lactobacillus plantarum Bx6-2 against the mycelial growth of Phytophthora.drechsleri Tucker was determined by means of growth rate measurements and study on physicochemical characteristics of bioactive metabolite produced by strain Bx6-2.The results show that the culture supernatants of the strains show different degrees of antagonistic activity on the Phytophthora.drechsleri Tucker.The inhibition effect of culture supernatant have a good thermal stability,at pH 6.0 the inhibition is good.The ... |
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| Keywords: | Lactobacillus plantarum Phytophthora.drechsleri Tucker plant pathogenic fungi |
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