新发现一种细菌，竟然能帮忙减压，上班族的福音？
<p><span word="Scientists">Scientists</span> <span word="have">have</span> <span word="isolated">isolated</span> <span word="a">a</span> <span word="unique">unique</span> <span word="molecular">molecular</span> <span word="pattern">pattern</span> <span word="that">that</span> <span word="might">might</span> <span word="one">one</span> <span word="day">day</span> <span word="enable">enable</span> <span word="a">a</span> '<span word="stress">stress</span> <span word="vaccine">vaccine</span>' <span word="to">to</span> <span word="exist">exist</span> <span word="for">for</span> <span word="real">real</span> – <span word="and">and</span> <span word="they">they</span> <span word="found">found</span> <span word="it">it</span> <span word="hidden">hidden</span> <span word="inside">inside</span> <span word="a">a</span> <span word="bacterium">bacterium</span> <span word="that">that</span> <span word="thrives">thrives</span> <span word="in">in</span> <span word="dirt">dirt</span>.</p><p>科学家分离出一种独特的分子模式，将来可能将“压力疫苗”变成现实，他们发现这种分子隐藏在一种在泥土中大量存在的细菌中。</p><p><span word="Mycobacterium">Mycobacterium</span> <span word="vaccae">vaccae</span> <span word="is">is</span> <span word="a">a</span> <span word="non">non</span>-<span word="pathogenic">pathogenic</span> <span word="bacterium">bacterium</span> <span word="that">that</span> <span word="lives">lives</span> <span word="in">in</span> <span word="soil">soil</span>, <span word="and">and</span> <span word="has">has</span> <span word="shown">shown</span> <span word="considerable">considerable</span> <span word="promise">promise</span> <span word="in">in</span> <span word="health">health</span> <span word="research">research</span>; <span word="now">now</span>, <span word="a">a</span> <span word="new">new</span> <span word="study">study</span> <span word="may">may</span> <span word="have">have</span> <span word="finally">finally</span> <span word="figured">figured</span> <span word="out">out</span> <span word="why">why</span>.</p><p>母牛分枝杆菌是一种无毒细菌，存在于土壤中，在健康研究方面有相当大的潜力，现在一项新的研究最终给出了原因。</p><p><span word="The">The</span> <span word="findings">findings</span> <span word="suggest">suggest</span> <span word="that">that</span> <span word="a">a</span> <span word="specific">specific</span> <span word="kind">kind</span> <span word="of">of</span> <span word="fat">fat</span> <span word="inside">inside</span> <span word="M">M</span>. <span word="vaccae">vaccae</span> <span word="could">could</span> <span word="be">be</span> <span word="why">why</span> <span word="exposure">exposure</span> <span word="to">to</span> <span word="this">this</span> <span word="seemingly">seemingly</span> <span word="beneficial">beneficial</span> <span word="bacterium">bacterium</span> <span word="in">in</span> <span word="ground">ground</span> <span word="soil">soil</span> <span word="may">may</span> <span word="be">be</span> <span word="good">good</span> <span word="for">for</span> <span word="us">us</span>.</p><p>研究结果表明可能就是母牛分枝杆菌中一种特定的脂肪使接触这种看似有益的土壤细菌对我们有好处的。</p><p><span word="This">This</span> <span word="work">work</span> <span word="ties">ties</span> <span word="in">in</span> <span word="with">with</span> <span word="the">the</span> <span word="idea">idea</span> <span word="of">of</span> "<span word="old">old</span> <span word="friends">friends</span>", <span word="a">a</span> <span word="hypothesis">hypothesis</span> <span word="that">that</span> <span word="claims">claims</span> <span word="humans">humans</span> <span word="co">co</span>-<span word="evolved">evolved</span> <span word="with">with</span> <span word="a">a</span> <span word="bunch">bunch</span> <span word="of">of</span> <span word="useful">useful</span> <span word="microorganisms">microorganisms</span>, <span word="and">and</span> <span word="losing">losing</span> <span word="those">those</span> <span word="ties">ties</span> <span word="in">in</span> <span word="the">the</span> <span word="modern">modern</span> <span word="environment">environment</span> <span word="has">has</span> <span word="led">led</span> <span word="to">to</span> <span word="an">an</span> <span word="increase">increase</span> <span word="in">in</span> <span word="allergic">allergic</span> <span word="and">and</span> <span word="autoimmune">autoimmune</span> <span word="diseases">diseases</span>.</p><p>这种作用与“老朋友”的说法有关，是一种假设，认为人类和一些有益微生物共同进化。而在现代环境中失去这种联系导致了过敏性和自身免疫性疾病的增加。</p>
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