Transport of Palmitic Acid Across the Tegument of the Entomophilic Nematode Romanomermis culicivorax
Romanomermis culicivorax juveniles, dissected out of Aedes aegypti larvae 7 days after infection, were incubated under controlled conditions in isotonic saline containing (1)C-U-palmitic acid to investigate the nature of the transport mechanism(s) used by the nematode for transcuticular uptake of pa...
| Publié dans: | Journal of nematology. - 1969. - 16(1984), 1 vom: 16. Jan., Seite 14-21 |
|---|---|
| Auteur principal: | |
| Autres auteurs: | |
| Format: | Article |
| Langue: | English |
| Publié: |
1984
|
| Accès à la collection: | Journal of nematology |
| Sujets: | Journal Article Aedes aegypti active transport diffusion fatty acid lipid mediated transport mermithid nutrition transtegumentary uptake |
| Résumé: | Romanomermis culicivorax juveniles, dissected out of Aedes aegypti larvae 7 days after infection, were incubated under controlled conditions in isotonic saline containing (1)C-U-palmitic acid to investigate the nature of the transport mechanism(s) used by the nematode for transcuticular uptake of palmitic acid. Net uptake of the isotope by the nematode was of a logarithmic nature with respect to time. Uptake of palmitic acid was accomplished by a combination of diffusion and a mediated process which was substrate saturable and competitively inhibited by myristic and stearic acids. Both 2,4-dinitrophenol and ouabain inhibited uptake of palmitic acid and thus supported the hypothesis that the carrier system is of the active transport variety and is coupled to a NaK ATPase pump |
|---|---|
| Description: | Date Completed 14.07.2011 Date Revised 20.10.2021 published: Print Citation Status PubMed-not-MEDLINE |
| ISSN: | 0022-300X |