The invention provides methods for engineering plants to have reduced levels of acetylation by decreasing expression of one or more Cas1L genes. Such plants can be used, e.g., to increase yield for biofuel production.
STATEMENT AS TO RIGHTS TO INVENTIONS MADE UNDER FEDERALLY SPONSORED RESEARCH AND DEVELOPMENT
 The invention described and claimed herein was made using funds supplied by the U.S. Department of Energy under Contract No. DE-AC02-05CH11231. The government has certain rights in this invention.