但是同样有趣的是只有如此少的不同种类的RNA病毒出现了：只有博尔纳病毒和丝状病毒。
But equally intriguing was how few different families of RNA viruses turned up: just Bornaviruses and Filoviruses.
埃博拉·莱斯顿病毒属于丝状病毒科的埃博拉属，该属包括已知对人类具有高度致病性的其他埃博拉种类。
Ebola Reston virus species belongs to the Ebola genus in the Filovirus family, a genus that comprises other Ebola species that are known to be highly pathogenic for humans.
在电子显微镜下观察，这些病毒显示形状象拉长丝、有时候盘绕成奇怪形状的粒子，从而将其起名为丝状病毒科。
Viewed under electron microscopy, the viruses show particles shaped like elongated filaments, sometimes coiled into strange shapes, that give the Filoviridae family its name.
纽约水牛城大学的进化学生物学家德瑞克·泰勒说：“也就是说，现在还不能得知是否博尔纳病毒和丝状病毒具有代表性。”
That said, it's still too early to know whether Bornaviruses and Filoviruses are really overrepresented, says Derek Taylor, an evolutionary biologist at the University at Buffalo in New York.
在讨论中的病毒附属于两个病毒种类：一个是丝状病毒，其中包括埃博拉病毒、马尔堡病毒以及博尔纳病毒，他们会在某种动物(比如：马)中引发神经方面的病患。
The viruses in question belong to two families: Filoviruses, which include Ebola and Marburg, and Bornaviruses, which causes neurological diseases in certain animals, such as horses.
透射电子显微图像显示丝状的马尔堡病毒，放大10万倍。
A transmission electron micrograph (TEM) showing filamentous Marburg virus, magnified 100,000 times.
透射电子显微图像显示丝状的马尔堡病毒，放大10万倍。
A transmission electron micrograph (TEM) showing filamentous Marburg virus, magnified 100,000 times.
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