Diuretic and antidiuretic hormones present in the MTGM of Rhodniusand their actions
| . | . | . | Activity . | . | . | ||
|---|---|---|---|---|---|---|---|
| Hormone . | Rhodnius peptide . | Sequence . | Crop . | UMT . | LMT . | ||
| Serotonin | + | + | + | ||||
| CRF-like DH | (Zoone-DH) | TGAVPSLSIV NPLDVLRQRL LLEIARRRMR QSQDQIQANR EMLQTI–NH2 | + | + | 0 | ||
| CT-like DH | Rhopr-DH31 | GLDLGLSRGF SGSQAAKHLM GLAAANYAGG P–NH2 | 0 | 0/+ | 0 | ||
| Kinin | (Leuma-KI) | DPAFNSWG–NH2 | 0 | 0 | 0 | ||
| CAP2b | Rhopr-CAPA-2 | EGGFISFPRV–NH2 | – | – | 0 | ||
| . | . | . | Activity . | . | . | ||
|---|---|---|---|---|---|---|---|
| Hormone . | Rhodnius peptide . | Sequence . | Crop . | UMT . | LMT . | ||
| Serotonin | + | + | + | ||||
| CRF-like DH | (Zoone-DH) | TGAVPSLSIV NPLDVLRQRL LLEIARRRMR QSQDQIQANR EMLQTI–NH2 | + | + | 0 | ||
| CT-like DH | Rhopr-DH31 | GLDLGLSRGF SGSQAAKHLM GLAAANYAGG P–NH2 | 0 | 0/+ | 0 | ||
| Kinin | (Leuma-KI) | DPAFNSWG–NH2 | 0 | 0 | 0 | ||
| CAP2b | Rhopr-CAPA-2 | EGGFISFPRV–NH2 | – | – | 0 | ||
Table shows the effect of hormones on transport across the crop and upper(UMT) and lower (LMT) Malpighian tubule segments. Where the native hormone has not been identified, the sequence given is that of a peptide from the same family that has been tested for activity in Rhodnius
Activity symbols: stimulate, +; inhibit, –; no effect, 0. MTGM,mesothoracic ganglion mass (MTGM)