 PAC-MIR408 is a micro-ion-A gene which can be used to increase the efficiency of converting lignocellulosic feedstocks into fermentable sugars for biofuel production. This micro-ion-A gene was found to have a positive effect on both secarification and plant growth without requiring any pretreatments or chemicals. It also has the potential to reduce lignin content and delay lignification, thus increasing the amount of fermentable sugars produced from the feedstock. Additionally, it can be used to regulate the rate of secondary growth in trees, allowing them to grow faster and produce more biomass. This article was authored by Ya Yu Guo, Xu Fang Wang, Ke Zhi Yu, and others.