Table 2.
cDNA library resource
| Name | Source | Description |
|---|---|---|
| Seven-hour cDNA | Whole embryo | Cleavage stage embryo of about 64 cells |
| Fifteen-hour cDNA | Whole embryo | Hatched blastula of about 200 cells |
| Twenty-hour cDNA | Whole embryo | Mesenchyme blastula stage (400 cells) |
| Forty-hour cDNA | Whole embryo | Gastrula stage (600 cells) |
| Larval cDNA | Whole larva | Eight-arm larva, early rudiment stage (1 × 104 cells) |
| Skeletogenic mesenchyme | Embryonic cell type | Skeletogenic mesenchyme cells cultured from primary mesenchyme cells |
| Gut cDNA | Adult organ | From dissected adult guts |
| Mesentery | Adult organ | From adult mesenteries |
| Lantern | Adult organ | Adult jaw apparatus, including muscles and nerve ring |
| Egg cDNA | Egg cells | Spawned eggs |
| Ovary cDNA | Adult organ | Dissected from adult, includes gonial cells and oocytes at various stages of development |
| Testis cDNA | Adult organ | Dissected from adult; contains gonial cells and developing spermatozoa |
| BAC genomic | Single male | Extracted from sperm |
| PAC genomic | Single male | Extracted from sperm |
A list of the macroarray libraries assembled for the sea urchin genome project. Each library contains 100,000 clones made from cDNA or genomic DNA obtained as listed under source. A description of each source also is given.