Enterobacter aerogenes和Enterobacter cloacae兩者lysine decarboxylation的試驗結果為：
E. aerogenes (＋)及E. cloacae (＋)
E. aerogenes (＋)及E. cloacae (－)
E. aerogenes (－)及E. cloacae (＋)
E. aerogenes (－)及E. cloacae (－)
