KIF1B and colitis: Multiple groups have shown that KLP can colonize the intestine and has detrimental effects in colitis models.7, 8, 9, 10, 11, 12 They not only shed light on host colonization by KLP and identify potential colonization factors such as genetic factors that contribute to high-density persistence of KLP in the intestine,9 but also the importance of xylose metabolism in KLP colonization in mice.11