3106
Many of these approaches have pinpointed that the Lactobacillus cell envelope contains several effector molecules that are pivotal in the direct signaling capacity of these bacteria that underlies their immunomodulatory effects , including lipoteichoic acid , peptidoglycan , and ( glyco ) proteins .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None