In order to get inside the cell, these molecules must pass through porins, which are protein channels that span the outer membrane. Antimicrobial resistance mechanisms in Pseudomonas aeruginosa Gram-negative bacteria possess proteins called porins in their outer membranes that, when altered, reduce or halt drug absorption.
The Code of Federal Regulations (CFR) is a codification (arrangement of) the general and permanent rules published in the Federal Register by the executive departments and agencies of the Federal Government. e-CFR Updated Daily; Beta Site.
The publication of the final rule includes: 1  Foreign Trade Statistics Regulations (FTSR) was renamed Foreign Trade Regulations (FTR). 2  New FTR exemptions and exclusions were added to the new regulations. See FTR chart for more details. 3  SED information filed to AES is now known as Electronic Export Information (EEI).