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.
系统进化分析显示，5组蜱和土拉菌聚在一个分支上，其余8组和弗朗西斯菌属（类）内共生体聚在一个主干分支上。
The phylogenetic analysis indicated that 5 groups were assigned to a clade of F. tularensis, and the rest 8 groups to main clade with FLEs.
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