Author Contributions
P.L., D.E.S. and F.D.S. designed and supervised the study. L.X.L. and M.Z.C collected the samples and extracted genomic DNA. L.X.L., M.Z.C., R.A.F., M.Z.W., and T.Z. performed genome assembly and data analyses. L.X.L., M.Z.C., and P.L. prepared the manuscript. R.A.F. and D.E.S. revised the manuscript. All the authors approved the final manuscript.