Kahala M, Savijoki K, Palva A
Agricultural Research Centre of Finland, Food Research Institute, Jokioinen.
J Bacteriol. 1997 Jan;179(1):284-6. doi: 10.1128/jb.179.1.284-286.1997.
Lactobacillus brevis possesses a surface layer protein (SlpA) with tightly regulated synthesis. The slpA gene is expressed by two adjacent promoters, P1 and P2. The level of P2-derived transcripts was approximately 10 times higher than that of P1-derived transcripts throughout the entire growth of L. brevis. The half-lives of slpA transcripts were shown to be exceptionally long (14 min).
短乳杆菌拥有一种合成受到严格调控的表层蛋白(SlpA)。slpA基因由两个相邻的启动子P1和P2表达。在短乳杆菌的整个生长过程中,源自P2的转录本水平比源自P1的转录本水平高约10倍。slpA转录本的半衰期显示异常长(14分钟)。