PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 33605428-4 2021 We found that overexpression of sterol ester synthesis genes ARE1 and ARE2 increased beta-carotene yield by 1.5-fold. beta Carotene 85-98 sterol acyltransferase Saccharomyces cerevisiae S288C 61-65