Review Article
The “Special” crystal-Stellate System in Drosophila melanogaster Reveals Mechanisms Underlying piRNA Pathway-Mediated Canalization
Table 1
List of some genes involved in the piRNA pathways.
| Genes | Crystals | Function | Ping pong* | References |
| Aubergine | + | Piwi protein | − −/+ | [14–19, 21] | Ago3 | + | Piwi protein | − −/+ | [17–19] | Piwi | − | Piwi protein | + | [13–18] |
| Spindle-E | + | RNA helicase | − −/+ | [18, 22, 25] | Squash | + | Tudor-domain nuclease | + | [24] |
| Zucchini | + | Nuclease | + | [24] | Armitage | + | RNA helicase | + | [18, 23, 26–28] |
| hsp83 | + | Heat-shock protein | nd | [29] |
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*“+” indicates that the ping pong is functional in the mutant.
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