passages.id: split_6_test_3233_passage
passages.type: progene_text
passages.text: The Pro(35S) : MIR160 plants , in which the expression of ARF10 and ARF16 is repressed , and the arf10 - 2 arf16 - 2 double mutants display the same root tip defect , with uncontrolled cell division and blocked cell differentiation in the root distal region and show a tumor - like root apex and loss of gravity - sensing .