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An InlC deletion mutant shows reduced virulence when tested in an intravenous mouse model , but intracellular replication of the mutant in Caco - 2 and J774 cells appears to be comparable with that of the wild - type strain .
 InlC deletion mutant
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 InlC deletion mutant