Table 1.
Cuticular lipids identified by GC-MS in DGRP males and females. NI = not identified; nd = not detected; bold typeface = not previously identified in D. melanogaster.
| # | Cuticular component | Retention index | # | Cuticular component | Retention index | ||
|---|---|---|---|---|---|---|---|
| ♀ | ♂ | ♀ | ♂ | ||||
| 1 | n-C21 | 2100 | 2100 | 33 | NI | 2516 | nd |
| 2 | x-C22:1 (quantified only in ♂) | 2179 | 2179 | 34 | NI | 2521 | nd |
| 3 | x-C22:1 | nd | 2184 | 35 |
13-Me-C25
11-Me-C25 |
2533 | nd |
| c | cis-vaccenyl acetate | nd | 2189 | 36 | 5-Me-C25 | 2550 | nd |
| 4 | n-C22 | 2200 | 2200 | 37 | 8,12-C26:2 | 2555 | nd |
| 5 | 7,11-C23:2 | 2259 | nd | 38 | 7,11-C26:2 | 2560 | nd |
| 6 | 2-Me-C22 | 2263 | 2263 | 39 | 2-Me-C25 | 2562 | 2562 |
| 7 | NI | nd | 2267 | 40 | 6,10-C26:2 | 2566 | nd |
| 8 | 9-C23:1 | 2273 | 2273 | 41 | 9-C26:1 (only in ♀) 3-Me-C25 |
2572 | 2572 |
| 9 | 7-C23:1 | 2280 | 2283 | 42 | 7-C26:1 | 2577 | 2577 |
| 10 | 6-C23:1 | 2285 | 2286 | 43 | 6-C26:1 + impurity (i) | 2581 | 2581 |
| 11 | 5-C23:1 | 2291 | 2291 | 44 | n-C26 | 2600 | 2600 |
| 12 | x-C23:1 | 2294 | nd | 45 | 9,13-C27:2 | 2652 | nd |
| 13 | n-C23 | 2300 | 2300 | 46 | 7,11-C27:2 (only in ♀) 2-Me-C26 |
2664 | 2663 |
| 14 |
11-Me-C23
9-Me-C23 |
2336 | 2336 | 47 | 5,9-C27:2 (only in ♀) 9-C27:1 |
2675 | 2675 |
| 15 | 7,11-C24:2 | 2355 | nd | 48 | 7-C27:1 | 2682 | 2682 |
| 16 | x,y-C24:2 | 2363 | 2363 | 49 | 5-C27:1 | 2693 | nd |
| 17 | 3-Me-C23 9-C24:1 (only in ♀) |
2373 | 2373 | 50 | n-C27 | 2700 | 2700 |
| 18 | 7-C24:1 (quantified only in ♂) | 2377 | 2377 | 51 | 8,12-C28:2 | 2756 | nd |
| 19 | 6-C24:1 | 2380 | 2380 | 52 | 2-Me-C27 7,11-C28:2 (only in ♀) |
2761 | 2761 |
| 20 | NI (Variable in DGRP lines but not detected in GC-MS samples) | nd | nd | 53 |
6,10-C28:2
3-Me-C27 9-C28:1 |
2768 | nd |
| 21 | 5-C24:1 | 2386 | 2386 | 54 | NI | 2772 | 2772 |
| 22 | n-C24 | 2400 | 2400 | 55 | n-C28 | 2800 | 2800 |
| 23 | 9,13-C25:2 | 2451 | nd | 56 | 9,13-C29:2 | 2852 | nd |
| 24 | 7,11-C25:2 | 2460 | nd | 57 | 2-Me-C28 7,11-C29:2 (only in ♀) |
2864 | 2862 |
| 25 | 2-Me-C24 | 2463 | 2463 | 58 | 9-C29:1 5,9-C29:1 (only in ♀) |
2875 | 2875 |
| 26 | 6,10-C25:2 | 2468 | 2468 | 59 | 7-C29:1 | 2882 | 2882 |
| 27 | 5,9-C25:2 (only in ♀) 9-C25:1 |
2474 | 2474 | 60 | n-C29 | 2900 | 2900 |
| 28 | 8-C25:1 | 2478 | nd | 61 |
8,12-C30:2 (only in ♀) 2-Me-C29 |
2961 | 2961 |
| 29 | 7-C25:1 | 2482 | 2483 | 62 | 2-Me-C30 | 3060 | 3060 |
| 30 | 6-C25:1 | 2485 | nd | 63 | 7,11-C31:2 | 3065 | nd |
| 31 | 5-C25:1 | 2492 | 2492 | 64 | n-C31 | 3100 | 3100 |
| 32 | n-C25 | 2500 | 2500 | IS | n-C32 | 3200 | 3200 |