title: K638
design: Young leaves of single plants from each lettuce accession were collected, immediately frozen in liquid nitrogen, and stored at 181 C. Genomic DNA from leaf samples was extracted using the cetyltrimethylammonium bromide (CTAB) method. Sequencing libraries_x0000__x0000__xFFFF__xFFFF__x0000__x0000__x0000__x0000__x0000__x0000__x0012__x0000__x0000__xFFFF__xFFFF__x0000_ _x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0008__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0001__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0003__x0000__x0000__x0000__x0008__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0001__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__xFFFF__xFFFF__x0000__x0000__x0000__x0000__x0000__x0000__x0002__x0000__x0000__x0000__xFFFF__xFFFF__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0010__x0000__x0012_x_x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0001__x0000__x0000__x0000__x0000__x0000__x0000_