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Patterson 和Porter的小组从感染白痘病的珊瑚表面采集了粘液标本,黏液层主要由周期性脱落的多聚糖构成。自粘液标本分离到的细菌经实验室作纯化培养后再感染健康的鹿角珊瑚后发现,其中一种细菌感染便可使珊瑚染上白痘病。经DNA测序,结合标准的细菌学检验,该细菌被鉴定为粘质沙雷氏菌。该项研究已发表在2002年6月25日出版的《美国国家科学院院刊》(Proceedings of the National Academy of Sciences)上。