SRP051143 PRJNA270301 Streptococcus sanguinis strain:ATCC BAA1455 Transcriptome or Gene expression Total RNA of S. sanguinis was extracted from the cultured S. sanguinis after pooling using QIAzol solution (QIAGEN, Valencia, CA, USA) according to the manufacturer's protocol. Streptococcus sanguinis strain:ATCC BAA1455