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耐盐红螺菌的无菌代谢产物经CM-Sephadex C-50弱阳离子交换色谱柱分离,获得3个蛋白吸收峰:PSB2-1''峰,PSB2-2''峰,PSB2-3''峰.其中PSB2-1''峰对病原菌具有拮抗作用.PSB2-1''峰组分样品经透析脱盐,后进行SDS-PAGE电泳检测,其冷冻干燥样品进行毛细管电泳与MALDI-TOF质谱鉴定,结果表明PSB2-1''峰的抑菌蛋白物质已达到较高纯度,其准确分子量为9290 Da.耐盐红螺菌拮抗物质具有较好的热稳定性,对紫外线不敏感,但对酸碱性较敏感;用蛋白酶处理,其抑菌活性受枯草杆菌蛋白酶、胃蛋白酶和胰蛋白酶的影响.耐盐红螺菌产生的拮抗物质可初步归属于小分子热稳定肽(SHSP).
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水产学报
ISSN: 1000-0615
CN: 31-1283/S
Year: 2005
Issue: 3
Volume: 29
Page: 362-366
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 2
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