7.4.2.2 malfunction deletion of isoform BrnQ2 results in increased virulence, including severe kidney pathology -, 747933 7.4.2.2 physiological function isoform BrnQ1 is required for Staphylococcus aureus strain USA300 fitness in vivo -, 747933 7.4.2.2 physiological function LivJ and LivK are required for optimal commensal colonization of the chick ceca -, 719732 7.4.2.2 physiological function the enzyme contributes to salt stress-induced proline uptake from exogenous sources. In addition, proline uptake promotes salt tolerance in Arabidopsis seedlings 747881