In Pseudomonas aeruginosa. the RNA chaperone Hfq and the catabolite repression protein Crc act in concert to regulate numerous genes during carbon catabolite repression (CCR). After alleviation of CCR. the RNA CrcZ sequesters Hfq/Crc. https://www.crochetandknitshop.com/product-category/lip-balm-2/