微生物学报_综述文章投稿要求

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Ning Zhang et al. / Acta Microbiologica Sinica ( 2010 ) 50 ( 9 )
Colonization and distribution of recombinant Lactobacillus casei with Green fluorescent protein in mice intestine
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( 本文责编 : 王晋芳 )
Supported by the Science and Technology Project for Returned by National Ministry of Personnel
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Corresponding author. Tel : + 86 4596819292 ; Fax : + 86 4596819290 ; E-mail : xly_hou@ yahoo. com. cn
RecRevised : 14 April 2010
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《 微生物学报 》 综述文章投稿要求
为了避免篇幅庞大 、 罗列文献 、 内容空泛 、 缺乏观 点, 力 求 内 容 更 加 新 颖、 并 更 具 可 读 性, 本 刊 提 出 以 下 几 点 要 求, 欢迎大 家根据要求踊跃投稿 。 1. 本刊主要刊登微型综述( mini review ) , 来稿字数最好控制在 5000 字以内( 不包括参考文献) 。 2. 综述的选题要有新意, 对读者及同行确有一定的启发作用和参考价值 。 3. 参考文献应控制在 40 篇以内, 近 3 年发表的文献不少于 10 篇 。 4. 应结合文献扼要评述国内外学者在本领域的研究进展, 不要泛泛罗列文献, 只述不评 。 5. 应结合自己的研究工作, 就该研究领域存在的问题和解决的途径提出自己的观点 。 6. 欢迎投送 能够反映国际研究热点 、 对学科发展有指导意义 的述评类文章 。
2* Ning Zhang 1 , Xilin Hou2 , Liyun Yu1 , , Guihua Wang 1 , Zhigang Zhao 2 , Yu Gao 1
( College of Life Science and Technology , Heilongjiang BaYi Agricultural University , Daqing 163319 , China ) ( College of Animal Science and Technology , Heilongjiang BaYi Agricultural University , Daqing 163319 , China ) Abstract:[Objective ]We studied the colonization ability and the distribution of the recombinant Lactobacillus casei in mouse intestine. [Methods ]We used Green fluorescent protein ( GFP ) gene as reporter in constructing the recombinant plasmid pLA-GFP , which was electrotransformed into the host cells L. casei . Six-week-old female SPF BALB / c mice were orally fed with the recombinant L. casei of approximately 10 . Groups of at least three mice per condition were killed at 1. 5 h, 3 h, 12 h , 1 d, 3 d, 5 d, 6 d, 7 d, and its duodenum , jejunum , ileum , caecum intestinal tract rinse solution was sampled separately. The recombinant bacteriain intestinal tracts were examined by plate culture count. [Results ] The molecular weight of the recombinant protein was about 69 kDa in the result of western blot. The GFP fusion protein on the cell surface was confirmed by fluorescence microscopy and flow cytometric analysis. A portion of the recombinant L. casei was and the planting peak was appeared on day 6 able to adhere and colonize in different regions of murine intestinal tract , postinoculation. The ratio of the seventh day to the first day of the recombinant L. casei adhered to the intestinal mucosa in jejunum , ileum , and caecum was 16. 49% , 25. 08% , 47. 71% , and 41. 03% , respectively. [Conclusion ] the duodenum , The recombinant L. casei stably expressing GFP could colonize mouse intestine. The field planting rule was ileum > caecum but the > jejunum > duodenum. Our findings indicated that L. casei used as a deliver vector in oral vaccine is feasible , impact on intestinal immune mechanism in mice is needed more research. Keywords : Lactobacillus casei ; Green fluorescent protein ; Intestinal tract ; Colonization
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