变形虫阶段的细胞仍不含内共生菌。
Cells of the amoeboid stage lacked the methanogenic endosymbionts.
据此认为，温度可能通过作用于蚜虫内共生菌胞数量而影响蚜虫体型的大小。
It is tentatively hypothesized that temperature affects aphid body size via influence on the abundance of mycetocytes.
体外和动物实验显示，开菲尔中的共生菌群具有抗癌、抗突变以及抗菌等功效。
Moreover, in vitro and animal trials have shown symbiotic microflora in kefir have anticarcinogenic, antimutagenic and antimicrobial properties.
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