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首页> 外文期刊>European Journal of Protistology >Colonization of termite hindgut walls by oxymonad flagellates and prokaryotes in Incisitermes tabogae, I. marginipennis and Reticulitermes flavipes
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Colonization of termite hindgut walls by oxymonad flagellates and prokaryotes in Incisitermes tabogae, I. marginipennis and Reticulitermes flavipes

机译：烟隐鞭毛虫和原核生物在烟粉虱，边缘margin和网孔黄酮中对白蚁后肠壁的定殖

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摘要

We studied the colonization of the paunch wall of three lower termites, Reticulitermes flavipes, Incisitermes tabogae, and Incisitermes marginipennis, by light and electron microscopy. In addition to various prokaryotes, oxymonad flagellates were attached to the wall of the paunch in all three species. The prokaryotic layer found in R. flavipes is relatively thin, since most organisms are attached laterally. Large members of the flagellate genus Pyrsonympha protrude into the gut lumen. The prokaryotes are very abundant on the gut wall in I. tabogae and I. marginipennis, forming a thick carpet of mostly vertically attached rods and wavy spirochetes. The adhering oxymonads are relatively small and almost hidden in the thick bacterial biofilm. Three small morphotypes were seen in I. tabogae; two possessing a short rostellum and one amoeboid. The only oxymonad found in I. tabogae so far, Oxymonas clevelandi, is not identical to any of the present oxymonads. I. marginipennis contains a mid-sized oxymonad with ectobiotic spirochetes, probably identical to Oxymonas hubbardi, and a tiny unknown morphotype. The spatial organization of the pro- and eukaryotic microorganisms on the gut wall of the three termites is described and discussed concerning oxygen stress.
机译：我们通过光学和电子显微镜研究了三个较低的白蚁，网状黄麻，隐身白蚁和边缘白蚁的刺壁的定殖。除各种原核生物外，所有三种物种的羟丙基鞭毛虫均附着在刺壁上。由于大多数生物体是侧向附着的，因此在黄萎病菌中发现的原核生物层相对较薄。鞭毛属Pyrsonympha的较大成员突入肠腔。烟粉虱和边缘margin的肠壁上的原核生物非常丰富，形成了厚厚的地毯，上面大部分是垂直附着的鱼竿和波浪形的螺旋形。粘附的氧单分子相对较小，几乎隐藏在厚的细菌生物膜中。在烟粉虱中发现了三个小的形态型。两人有一个短的迷路石和一个变形虫。到目前为止，在烟粉虱中发现的唯一的氧化单胞菌，克利夫兰氧化单胞菌，与目前的任何氧化单胞菌都不相同。 I. marginipennis含有中等大小的oxymonad，带有外生螺旋体，可能与Huby（Oxymonas hubbardi）相同，并且形态很小。描述和讨论了三白蚁肠道壁上的原核和真核微生物的空间组织。

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