Serotyping and detection of pili antigen .

血清型与绒毛抗原的检测。

What enables this upright walking are appendages called type iv pili , which function as the analog of legs .

而使这种直立行走能够发生的物质是被称为4号菌毛（ivpili）的附属物，它行使了类似腿的功能。

In this depiction of the rod-shaped e. coli , two flagella trail from one end while hairlike pili surround a capsule full of tangled nucleoids .

在创作这个杆状的大肠杆菌时，其表现出的形式为一端甩出两条鞭毛，同时细微的菌毛围绕在布满凌乱菌核的荚膜上。

What they found was that the pili act as a buffer between the bacteria and the metallic compounds . The pili are quite long relative to the bacteria , and form a conductive barrier .

于是他们发现了其纤毛在细菌和废料中作为一种中介物质，由于纤毛对于细菌本体来说较长，便形成了一种防御障碍。