为研究微丝在煤绒菌原质团中的存在状态，实现从细胞核层面研究显型原质团的目的,通过对煤绒菌显型原质团的培养，以及对原质团进行切片荧光染色，发现在黏菌显型原质团中存在着微丝结构。在进一步研究中得出，微丝存在的位置在菌脉的凝胶外质和溶胶内质的交界处，这为黏菌原质团肌动蛋白参与原生质流的运动提供了有力细胞学证据，得出微丝可能是原质团中团集网体的重要组成成分的结论。

In order to study the state of existence of microfilaments in phaneroplasmodium of Fuligo septica and realize the purpose of studying phaneroplasmodium from the nucleus level,through the cultivation and the fluorescence staining of phaneroplasmodium of Fuligo septica,it was found that there was microfilament existed in plasmodium.In further research,it was found that the microfilament presented the border of gel-like ectoplasm and inner more fluid endoplasm of veins of plasmodium,which provided strong evidence for microfilament participated in the protoplasm movement in myxomycetes.It is concluded that the microfilament may be an important component of the cluster network in the phaneroplasmodium.