科学家揭秘蟑螂何以成为打不死的#39;小强#39;
<p><span word="Scientists">Scientists</span> <span word="have">have</span> <span word="discovered">discovered</span> <span word="why">why</span> <span word="cockroaches">cockroaches</span> <span word="love">love</span> <span word="filthy">filthy</span> <span word="conditions">conditions</span> <span word="and">and</span> <span word="what">what</span> <span word="makes">makes</span> <span word="them">them</span> <span word="so">so</span> <span word="hard">hard</span> <span word="to">to</span> <span word="kill">kill</span> — <span word="and">and</span> <span word="apparently">apparently</span>, <span word="it">it</span>'<span word="s">s</span> <span word="all">all</span> <span word="in">in</span> <span word="their">their</span> <span word="DNA">DNA</span>.</p><p>科学家们已经发现了为什么蟑螂喜欢肮脏的环境，以及是什么使得它们如此难以被杀灭--很明显，原因都存在于它们的<span word="DNA">DNA</span>中。</p><p><span word="Researchers">Researchers</span> <span word="say">say</span> <span word="they">they</span> <span word="have">have</span> <span word="identified">identified</span> <span word="specific">specific</span> <span word="genes">genes</span> <span word="which">which</span> <span word="allow">allow</span> <span word="the">the</span> <span word="critters">critters</span> <span word="to">to</span> <span word="do">do</span> <span word="anything">anything</span> <span word="from">from</span> <span word="eating">eating</span> <span word="toxic">toxic</span> <span word="food">food</span> <span word="to">to</span> <span word="regrowing">regrowing</span> <span word="limbs">limbs</span>.</p><p>研究人员称，他们已经发现了一些特定的基因，这些基因可以让这些生物从吃有毒食物到再生四肢，无所不能。</p><p><span word="Shuai">Shuai</span> <span word="Zhan">Zhan</span>, <span word="of">of</span> <span word="the">the</span> <span word="Institute">Institute</span> <span word="of">of</span> <span word="Plant">Plant</span> <span word="Physiology">Physiology</span> <span word="and">and</span> <span word="Ecology">Ecology</span> <span word="in">in</span> <span word="Shanghai">Shanghai</span>, <span word="says">says</span> <span word="the">the</span> <span word="American">American</span> <span word="cockroach">cockroach</span> <span word="has">has</span> <span word="one">one</span> <span word="of">of</span> <span word="the">the</span> <span word="largest">largest</span> <span word="genomes">genomes</span> <span word="known">known</span> <span word="to">to</span> <span word="exist">exist</span> <span word="among">among</span> <span word="insects">insects</span>.</p><p>上海植物生理生态研究所的詹帅表示，美国蟑螂的基因组是昆虫中已知的最大基因组之一。</p>
页:
[1]