Table 1.
Chromosome characteristics of allopolyploid diatom F. solaris
| Chromosome | Global GC content | Number of predicted genes | Number of homoeologous genes | Number of non-homoeologous genes | ||||
|---|---|---|---|---|---|---|---|---|
| Ha | La | H | L | H | L | H | L | |
| Chr 1 | 45.27 | 45.31 | 692 | 649 | 617 (89.16)b | 617 (95.07) | 75 (10.84) | 32 (4.93) |
| Chr 2 | 45.34 | 45.58 | 585 | 519 | 463 (79.15) | 463 (89.21) | 122 (20.85) | 56 (10.79) |
| Chr 3 | 45.93 | 45.77 | 595 | 562 | 531 (89.24) | 531 (94.48) | 64 (10.76) | 31 (5.52) |
| Chr 4 | 45.24 | 45.30 | 561 | 547 | 499 (88.95) | 499 (91.22) | 62 (11.05) | 48 (8.78) |
| Chr 5 | 44.85 | 45.04 | 497 | 454 | 421 (84.71) | 421 (92.73) | 76 (15.29) | 33 (7.27) |
| Chr 6 | 45.82 | 45.81 | 452 | 422 | 408 (90.27) | 408 (96.68) | 44 (9.73) | 14 (3.32) |
| Chr 7 | 45.82 | 45.68 | 384 | 345 | 322 (83.85) | 322 (93.33) | 62 (16.15) | 23 (6.67) |
| Chr 8 | 45.59 | 45.65 | 387 | 382 | 354 (91.47) | 354 (92.67) | 33 (8.53) | 28 (7.33) |
| Chr 9 | 45.75 | 45.36 | 364 | 340 | 299 (82.14) | 299 (87.94) | 65 (17.86) | 41 (12.06) |
| Chr 10 | 45.21 | 44.83 | 358 | 364 | 291 (81.28) | 291 (79.95) | 67 (18.72) | 73 (20.05) |
| Chr10_Ac | / | / | 308 | 285 | 256 (83.11) | 256 (89.82) | 52 (16.88) | 29 (10.18) |
| Chr10_Bc | / | / | 79 | 50 | 35 (44.30) | 35 (70.00) | 44 (55.70) | 15 (30.00) |
| Chr 11 | 45.89 | 45.83 | 343 | 314 | 297 (86.59) | 297 (94.59) | 46 (13.41) | 17 (5.41) |
| Chr 12 | 45.75 | 46.12 | 381 | 343 | 320 (83.99) | 320 (93.29) | 61 (16.01) | 23 (6.71) |
| Chr 13 | 45.17 | 45.39 | 356 | 332 | 301 (84.55) | 301 (90.66) | 55 (15.45) | 31 (9.34) |
| Chr 14 | 45.91 | 45.64 | 360 | 332 | 293 (81.39) | 293 (88.25) | 67 (18.61) | 39 (11.75) |
| Chr 15 | 45.50 | 45.51 | 338 | 326 | 303 (89.64) | 303 (92.94) | 35 (10.36) | 23 (7.06) |
| Chr 16 | 45.81 | 46.14 | 307 | 271 | 255 (83.06) | 255 (94.10) | 52 (16.94) | 16 (5.90) |
| Chr 17 | 46.41 | 45.81 | 294 | 288 | 260 (88.44) | 260 (90.28) | 34 (11.56) | 28 (9.72) |
| Chr 18 | 45.73 | 45.48 | 291 | 263 | 242 (83.16) | 242 (92.02) | 49 (16.84) | 21 (7.98) |
| Chr 19 | 46.22 | 45.78 | 310 | 297 | 282 (90.97) | 282 (94.95) | 28 (9.03) | 15 (5.05) |
| Chr 20 | 45.95 | 45.73 | 263 | 234 | 214 (81.37) | 214 (91.45) | 49 (18.63) | 20 (8.55) |
| Chr 21 | 45.17 | 45.40 | 273 | 265 | 252 (92.31) | 252 (95.09) | 21 (7.69) | 13 (4.91) |
| Chr 22 | 46.02 | 45.94 | 247 | 238 | 218 (88.26) | 218 (91.60) | 29 (11.74) | 20 (8.40) |
| Chr 23 | 45.07 | 45.42 | 250 | 231 | 215 (86.00) | 215 (93.07) | 35 (14.00) | 16 (6.93) |
| Chr 24 | 45.81 | 45.82 | 250 | 212 | 199 (79.60) | 199 (93.87) | 51 (20.40) | 13 (6.13) |
| Chr 25 | 45.38 | 45.21 | 216 | 203 | 191 (88.43) | 191 (94.09) | 25 (11.57) | 12 (5.91) |
| Chr 26 | 45.65 | 44.56 | 165 | 130 | 118 (71.52) | 118 (90.77) | 47 (28.48) | 12 (9.23) |
| Chr 27 | 46.11 | 45.32 | 107 | 118 | 96 (89.72) | 96 (81.36) | 11 (10.28) | 22 (18.64) |
| Chr 28 | 44.58 | 45.34 | 119 | 101 | 92 (77.31) | 92 (91.09) | 27 (22.69) | 9 (8.91) |
| Chr 29 | 46.38 | 45.38 | 129 | 114 | 103 (79.84) | 103 (90.35) | 26 (20.16) | 11 (9.65) |
| Chr 30 | 45.60 | 45.45 | 121 | 117 | 102 (84.30) | 102 (87.18) | 19 (15.70) | 15 (12.82) |
| Chr 31 | 45.36 | 45.63 | 89 | 78 | 74 (83.15) | 74 (94.87) | 15 (16.85) | 4 (5.13) |
| Chr 32 | 45.88 | 45.71 | 79 | 73 | 67 (84.81) | 67 (91.78) | 12 (15.19) | 6 (8.22) |
| Chr 33 | 44.92 | 46.05 | 63 | 57 | 54 (85.71) | 54 (94.74) | 9 (14.29) | 3 (5.26) |
| Chr 34 | 46.24 | 46.36 | 54 | 50 | 47 (87.04) | 47 (94.00) | 7 (12.96) | 3 (6.00) |
| Chr 35 | 44.42 | 44.99 | 43 | 40 | 35 (81.40) | 35 (87.50) | 8 (18.60) | 5 (12.50) |
| Chr 36 | 46.20 | 46.16 | 50 | 47 | 42 (84.00) | 42 (89.36) | 8 (16.00) | 5 (10.64) |
| Chr 37 | 46.48 | 46.42 | 45 | 34 | 34 (75.56) | 34 (100.00) | 11 (24.44) | 0 (0.00) |
| Chr 38 | 46.93 | 45.68 | 34 | 37 | 33 (97.06) | 33 (89.19) | 1 (2.94) | 4 (10.81) |
| Chr 39 | 45.55 | 45.80 | 33 | 27 | 27 (81.82) | 27 (100.00) | 6 (18.18) | 0 (0.00) |
| Chr 40 | 45.58 | 45.42 | 25 | 21 | 19 (76.00) | 19 (90.48) | 6 (24.00) | 2 (9.52) |
| Chr 41 | 44.86 | 44.34 | 10 | 16 | 8 (80.00) | 8 (50.00) | 2 (20.00) | 8 (50.00) |
| Chr 42 | 46.05 | 43.60 | 9 | 11 | 9 (100.00) | 9 (81.82) | 0 (0.00) | 2 (18.18) |
aEach element is separated into two columns, indicated as H and L, representing the data from chromosomes containing homoeologous genes with relatively high and low dGC, respectively
bThe values in parentheses indicates percentages of homoeologous/non-homoeologous genes within each homoeologous chromosome
cFor chromosome 10, corresponding values for upstream region (Chr10_A) and downstream region (Chr10_B) of the dGC flip over are written separately