All fossil viruses discovered until now have been retroviruses, but borna viruses are not.
迄今发现的所有化石病毒都是逆转录病毒，但是博纳病毒却不是。
But the borna virus belongs to a kind of virus that has never been found in the human genome before.
而博纳病毒属于一种之前从未在人类基因组中被发现的病毒。
To see if these genes came from the cause of borna disease, Dr. Lipkin transplanted them into bacteria.
要想知道那些遗留的基因是否是带有博尔纳病毒的基因，利普金博士把这些基因种植到细菌上。
In other words, borna virus first invaded the common ancestor of humans, apes and monkeys about 40 million years ago.
换句话说，博纳病毒在约4千万年前首次入侵了人类、猿和猴子的共同祖先。
The discovery of borna viruses in the human genome is another reason to wonder if we're actually more viral than we know.
人基因组博纳病毒的发现让我们想知道，人是否真的比我们已知的更像病毒。
Two of the four copies of the borna virus gene carry crippling mutations. It's impossible for our cells to make proteins from them.
博纳病毒基因拷贝4个中有两个严重突变，所以我们的细胞产生的蛋白是不可能来自病毒的。
Borna disease had first been discovered in horses in the late 1800s; it attacks their brains and causes them to flail uncontrollably.
博尔纳病在十七世纪晚期，在马身上首次发现；病毒会进入马的大脑里，让马发狂，失控。
If these were proteins from the source of borna disease, then infected animals might have made antibodies precisely tailored to grab onto them.
如果这些蛋白质源自博尔纳病毒基因，那么感染动物会产生抗体精确的剪切这些细菌的基因。
After experimental infection BDV causes a persistent infection of the central nervous system and induces Borna disease (BD), an immune-mediated encephalomyelitis.
BDV可引起中枢神经系统持续感染并导致博尔纳病(BD)，即免疫介导的脑脊髓炎。
Objective To study the effect of Borna disease virus (BDV) infection on the transcription of monoaminergic receptor genes in the brain tissues of neonatally inoculated rats.
目的分析博尔纳病病毒（BDV）感染对新生大鼠脑内单胺类受体基因转录的影响。
Objective To study the effect of Borna disease virus (BDV) infection on the transcription of monoaminergic receptor genes in the brain tissues of neonatally inoculated rats.
目的分析博尔纳病病毒（BDV）感染对新生大鼠脑内单胺类受体基因转录的影响。
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