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author:

邱宏端 (邱宏端.) [1] (Scholars:邱宏端) | 徐姗楠 (徐姗楠.) [2] | 林娟 (林娟.) [3] (Scholars:林娟) | 陈朝洋 (陈朝洋.) [4]

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CQVIP PKU CSCD

Abstract:

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).

Keyword:

分离纯化 拮抗物质 特性 耐盐红螺菌

Community:

  • [ 1 ] [邱宏端]福州大学
  • [ 2 ] [徐姗楠]福州大学
  • [ 3 ] [林娟]福州大学
  • [ 4 ] [陈朝洋]福州大学

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Source :

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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