This includes bacteria, viruses, fungi and archaea (organisms originally misclassified as bacteria). The greatest concentration of this microscopic life is in the dark murky depths of our oxygen-deprived bowels.
这些微生物包括细菌、病毒、真菌和古细菌(最初被误分类为细菌的生物体)。这种微生命最集中的地方是我们黑暗浑浊的、缺氧的肠道的深处。
Prof Rob Knight, from University of California San Diego, told the BBC: "You're more microbe than you are human."
加州大学圣地亚哥分校的罗布·奈特教授向BBC透露:“与其说你是人类,不如说你更多是微生物。”
Originally it was thought our cells were outnumbered 10 to one.
原先的认识是,我们人体中人类细胞的数量和微生物的比例超过了10比1。
"That's been refined much closer to one-to-one, so the current estimate is you're about 43% human if you're counting up all the cells," he says.
他说道:“这一数字已经更新为接近一比一了,所以目前的估计是,如果你将所有的细胞计算在内,你大约有43%的部分是人类细胞。”
But genetically we're even more outgunned.
但从遗传角度看,人类甚至要被甩得更远。
The human genome -- the full set of genetic instructions for a human being -- is made up of 20,000 instructions called genes.
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