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tenantId=1146029695717560320, journalId=1279045329999892481, language=CN, title=藏羊源性粪肠球菌无细胞上清液对沙门氏菌的抑菌机制及转录组学分析, columnId=1282278072095326533, journalTitle=中国畜牧杂志, columnName=动物健康, runingTitle=null, highlight=null, articleAbstract=为探究益生性粪肠球菌无细胞上清液(Cell-Free Supernatant,CFS)对沙门氏菌的抑菌机制,本研究采用琼脂扩散法评估粪肠球菌CFS的抑菌效果,96孔板法绘制沙门氏菌的生长抑制曲线,通过扫描电镜观察菌体超微结构的变化,转录组测序分析沙门氏菌差异基因的表达。结果表明:CFS对沙门氏菌抑菌圈约为16.30 mm,30%(体积分数)终浓度CFS抑制共培养体系中沙门氏菌的生长(P<0.001)。电镜结果显示处理组沙门氏菌菌体出现胞膜塌陷、表面褶皱等形态学损伤。转录组学测序结果显示,与对照组相比,处理组有1 520个差异表达基因,其中747个基因上调,773个基因下调,差异基因显著富集于碳水化合物代谢、氨基酸生物合成及双组分信号系统等通路。研究结果提示CFS可通过破坏沙门氏菌细胞膜完整性、干扰碳水化合物代谢(三羧酸循环、丙酮酸代谢)以及下调磷酸转移酶系统和有氧呼吸过程中关键基因的表达,来抑制沙门氏菌细胞的能量供应从而发挥抑菌作用,可为开发新型替抗制剂提供理论基础。, authors=李培键, 龙金桃, 白小兰, 秦绍敏, 陈慧琳, 王震, 郑雨晨, 贺晓龙, 冶贵生,, authorsList=李培键, 龙金桃, 白小兰, 秦绍敏, 陈慧琳, 王震, 郑雨晨, 贺晓龙, 冶贵生,, authorCompany=青海大学农牧学院, correspAuthors=冶贵生, authorNote=李培键(1999-),男,甘肃古浪人,硕士研究生,主要从事动物微生物学与免疫学研究,E-mail:lipeijian0816@163.com;, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, 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[21]车笑吟,涂会鑫,杨舒涵,等.产细菌素粪肠球菌EF-3的分离鉴定及其细菌素理化特性[J].中国兽医杂志, 2023, 59(9):73-76. [22]曹硕.粪肠球菌细菌素CHQS抑菌活性与作用机理的研究[D].天津:天津大学, 2019. [23]许喜林,钟舒莹,周晓莉,等.粪肠球菌EF-ZA1107-06的安全性评价及益生特性研究[J].华南理工大学学报(自然科学版), 2022, 50(11):52-61. [24]贺曦,陈晓慧,徐淑琴,等. A型产气荚膜梭菌KdpD/E双组份系统调节毒素基因表达的研究[J].中国病原生物学杂志, 2022, 17(6):626-630. [25]Murret-labarthe C, Kerhoas M, Dufresne K, et al. New roles for two-component system response regulators of Salmonella enterica serovar typhi during host cell interactions[J]. Microorganisms, 2020, 8(5):722. [26]Brown A N, Anderson M T, Bachman M A, et al. The ArcAB two-component system:Function in metabolism, redox control, and infection[J]. Microbiol Mol Biol Rev, 2022, 86(2):e0011021. [27]Iuchi S, Aristarkhov A, Dong J M, et al. Effects of nitrate respiration on expression of the Arc-controlled operons encoding succinate dehydrogenase and flavin-linked L-lactate dehydrogenase[J]. J Bacteriol. 1994, 176(6):1695-1701. [28]刘正.琥珀酸脱氢酶物种差异性及其抑制剂作用机理研究[D].武汉:华中师范大学, 2023. [29]Minamino T, Kinoshita M. Structure, assembly, and function of flagella responsible for bacterial locomotion[J]. EcoSal Plus,2023, 11(1):eesp00112023. [30]李琴,周静茹,张旭华,等.铜绿假单胞菌鞭毛基因fliI的敲除对其鞭毛形成及生物膜生成的影响[J].中国人兽共患病学报, 2023, 39(9):837-842. [31]Park Y J, Kim Y J, Yu H H, et al. Cell-free supernatants of Bacillus subtilis and Bacillus polyfermenticus inhibit Listeria monocytogenes biofilm formation[J]. Food Control, 2023, 144:109387[32]Liu J, Zhu W, Liu H, et al. Anti-biofilm and anti-virulence potential of cell free supernatant of Akkermansia muciniphila against Salmonella[J]. Food Sci Hum Wellness, 2024, 13(5):2677-2689. [33]景泰铭.三种益生菌无细胞上清液对大肠杆菌生物被膜影响形成的比较研究[D].长春:吉林农业大学, 2023. [34]王晶.糖代谢相关基因在沙门菌生物被膜形成中的作用及其分子机制[D].武汉:华中农业大学, 2024. [35]葛雷,仇汝龙,范志宇,等.鼠伤寒沙门菌ompW基因缺失株与回补株的构建及其生物学特性[J].畜牧兽医学报,2025, 56(4):1865-1875.)
中国畜牧杂志
|动物健康
2026
, 62
(2) :
325
-332
藏羊源性粪肠球菌无细胞上清液对沙门氏菌的抑菌机制及转录组学分析
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李培键, 龙金桃, 白小兰, 秦绍敏, 陈慧琳, 王震, 郑雨晨, 贺晓龙, 冶贵生,
作者信息
通讯作者:
冶贵生
作者简介:
李培键(1999-),男,甘肃古浪人,硕士研究生,主要从事动物微生物学与免疫学研究,E-mail:lipeijian0816@163.com;
Affiliations
出版时间: 2025-08-28
doi: 10.19556/j.0258-7033.20250516-03
文章导航
为探究益生性粪肠球菌无细胞上清液(Cell-Free Supernatant,CFS)对沙门氏菌的抑菌机制,本研究采用琼脂扩散法评估粪肠球菌CFS的抑菌效果,96孔板法绘制沙门氏菌的生长抑制曲线,通过扫描电镜观察菌体超微结构的变化,转录组测序分析沙门氏菌差异基因的表达。结果表明:CFS对沙门氏菌抑菌圈约为16.30 mm,30%(体积分数)终浓度CFS抑制共培养体系中沙门氏菌的生长(P<0.001)。电镜结果显示处理组沙门氏菌菌体出现胞膜塌陷、表面褶皱等形态学损伤。转录组学测序结果显示,与对照组相比,处理组有1 520个差异表达基因,其中747个基因上调,773个基因下调,差异基因显著富集于碳水化合物代谢、氨基酸生物合成及双组分信号系统等通路。研究结果提示CFS可通过破坏沙门氏菌细胞膜完整性、干扰碳水化合物代谢(三羧酸循环、丙酮酸代谢)以及下调磷酸转移酶系统和有氧呼吸过程中关键基因的表达,来抑制沙门氏菌细胞的能量供应从而发挥抑菌作用,可为开发新型替抗制剂提供理论基础。
无细胞上清液(CFS)
/
沙门氏菌
/
转录组学
/
抑菌机制
李培键, 龙金桃, 白小兰, 秦绍敏, 陈慧琳, 王震, 郑雨晨, 贺晓龙, 冶贵生,.
藏羊源性粪肠球菌无细胞上清液对沙门氏菌的抑菌机制及转录组学分析.
中国畜牧杂志,
2026
, 62
(2)
: 325
-332
.
DOI: 10.19556/j.0258-7033.20250516-03
参考文献
引证文献
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doi: 10.19556/j.0258-7033.20250516-03
首发时间:2026-07-01
出版时间:2025-08-28
https://castjournals.cast.org.cn/joweb/zgxmzz/CN/10.19556/j.0258-7033.20250516-03
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2种不同金属材料的力学参数
科 Family 属数 Number of genus 种数 Number of species 占总种数比例 Percentage of total species (%) 属 Genus 种数 Number of species 占总种数比例 Percentage of total species (%) 鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78 小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39 多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39 红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87 小菇属 Mycena 11 5.26 光柄菇属 Pluteus 5 2.39 红菇属 Russula 17 8.13 栓菌属 Trametes 5 2.39
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