PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 30080609-8 2018 Auxin response in root tip cells is altered and there is a severe disruption in polar localization of PIN1-GFP, but to a less extent of PIN2-GFP in the root tips, which causes the apical meristematic organization defects and might also be responsible for the secretion of sporopollenin precursor or polar targeting of sporopollenin precursor transporters. sporopollenin 272-285 Auxin efflux carrier family protein Arabidopsis thaliana 102-106