passages.id: split_5_test_3512_passage
passages.type: progene_text
passages.text: Real - time RT - PCR analysis revealed that mutation of either AS2 or AS1 resulted in an increase in the levels of transcripts of ETTIN ( ETT ; also known as AUXIN RESPONSE FACTOR3 , ARF3 ) and KANADI2 ( KAN2 ) , which are abaxial determinants , and YABBY5 ( YAB5 ) .