Table 2.
Alvi elements detected in decapods.
| Specific primer combinations * | |||||||||
| Alvi1 family | Alvi2 family | Alvi3 family | Alvi4 family | ||||||
| Specimens | Environments and phylum | 2 specific primers | 1 specific primer $ | 2 specific primers | 1 specific primer $ | 2 specific primers | 1 specific primer $ | 2 specific primers | 1 specific primer $ |
| Rimicaris exoculata | hydrothermal shrimps | RexAlvi1 | RexAlvi1 | RexAlvi2 | RexAlvi2 | na | na | na | RexAlvi1 |
| Chorocaris chacei | hydrothermal shrimps | CchAlvi1 | CchAlvi1 | CchAlvi2 | A | na | CchAlvi2 | na | A |
| Mirocaris fortunata | hydrothermal shrimps | na | MfoAlvi1 | MfoAlvi3 | A | MfoAlvi3 | MfoAlvi3 | na | MfoAlvi3 |
| Alvinocaris markensis | hydrothermal shrimps | AmaAlvi1 | AmaAlvi1 | AmaAlvi2 | A | na | AmaAlvi5 | na | A |
| Alvinocaris muricola | hydrothermal shrimps | A | AmuAlvi1 | AmuAlvi2 | A | na | na | na | A |
| Alvinocaris stactophila | hydrothermal shrimps | A | AstAlvi1 | AstAlvi2 | A | na | AstAlvi4 | AstAlvi4 | AstAlvi4 |
| Segonzacia mesatlantica | hydrothermal crabs | na | na | na | na | na | na | na | na |
| Bythograea thermydron | hydrothermal crabs | na | na | na | na | na | na | na | na |
| Cyanagraea praedator | hydrothermal crabs | na | na | na | na | na | na | na | na |
| Munidopsis recta | hydrothermal galatheid crabs | na | na | na | na | na | na | na | na |
| Palaemon serratus | intertidal shrimps | na | na | na | na | na | na | na | na |
| Crangon crangon | intertidal shrimps | na | na | na | na | na | na | na | na |
| Other decapods tested * | intertidal or seamount | na | na | na | - | na | na | - | na |
In black bold: Amplicon sequences corresponding to the element targeted. Underlined: PCR amplification products in species in which the element targeted was firstly identified. In italics: Amplicon sequences corresponding to another element than the one targeted. A: PCR amplification product of the expected size observed but not sequenced. na: No PCR amplification of expected size. -: Not tested. * see Methods for more details. $ single specific primer associated to the Retro1+ primer.