LsBADH1 is responsible for sweet fragrance in lettuce (Lactuca sativa L.) through 2-acetyl-1-pyrroline biosynthesis
Kousuke Seki, Kenji Matsui, Miya YANAGIDATE, Keiji Nishida, Ryohei Koyama, Yuichi Uno
The paper identifies LsBADH1 as the gene responsible for 2-acetyl-1-pyrroline (2AP) biosynthesis, which causes the sweet fragrance in lettuce, and shows that a premature stop codon in LsBADH1 increases 2AP levels.
bioRxiv · Jun 16, 2026 · PreprintGenetics