当这些紧紧围绕细菌的的多聚体形成浓集，边界明显的一层时称为荚膜。
When the polymer forms a condensed, well-defined layer closely surrounding the cell, it is called the capsule.
荚膜是细胞壁外围的一个粘性膜层，将某些种类的细菌进一步包围起来，使细胞对于破坏性化学物质具有抵抗力。
A capsule, a slimy layer outside the cell wall, further encloses certain species. The capsule causes the cell to be resistant to destructive chemicals.
微生物相分析表明，陶粒上的生物膜中细菌多为有荚膜的异养菌。
Bacterium from bio-membrane are mainly consists of heterophic bacteria with capsule.
应用推荐