常見例句Scientists call this a "quadruple reassortant" virus. 科學(xué)家們稱其為"四重配株病毒".New reassortant viruses arise constantly, but as is true of most mutations, few offer survival advantages to the virus. 病毒的新組合種經(jīng)常出現(xiàn),但一如大多數(shù)的突變,只有極少數(shù)具有生存的優(yōu)勢(shì)。This canresult in an influenza virus containing genes from a number of sources, called a "reassortant" virus. 這能導(dǎo)致一個(gè)流感病毒包含許多來源的基因,稱為重組病毒。This so-called triple reassortant spread to Asian pigs, and many different variants soon began popping up in swine all over the world. 這種三體混血兒在亞洲豬中傳播,之后很多變種傳遍世界。At the same time, Merck developed a pentavalent vaccine derived from five human-bovine reassortant strains that together would target the major strains of rotavirus. 此時(shí),美國(guó)默克藥廠研發(fā)了一種五價(jià)疫苗,由人及牛的五株病毒品系組成,可對(duì)付一些主要的輪狀病毒品系。When two viral strains infect the same cell, their gene segments can reassort just like figures on a slot machine, forming new combinations and thus novel versions of the virus. 當(dāng)兩種品系的病毒感染同一個(gè)細(xì)胞時(shí),其中所帶各段基因,就會(huì)像吃角子老虎上頭的數(shù)字一樣,重新配對(duì)而形成新的組合,也就是新品系的病毒。 返回 reassortant