Abstract: Background: The neurohypophysis of toad Sclerophrys regularis contains at least three types of neuropeptides: vasotocin, hydrin-2 and seritocin. Vasotocin (AVT) and hydrin 2 are widely studied, but the effects of seritocin on the organs of osmoregulation such as skin, kidneys and bladder are not sufficiently documented. The aim of this work was to determine the effect of seritocin on the pelvic skin of the toad Sclerophrys regularis, the total water intake (TWI) and water balance (WB). Materials and Methods: We used the Ussing chamber on which the pelvic skin pre-incubated with neuropeptides was mounted. A graduated pipette was used to monitor the water level on the serosal side of the Ussing chamber. Then, neuropeptides......
Key-words: Sclerophrys regularis, seritocin, Hydroosmotic activity, water balance
[1]. Ayoro HJ, Segniagbeto GH, Hema EM, Penner J, Oueda A, Dubois A, et al. List of amphibian species (Vertebrata, Tetrapoda) of Burkina Faso. Zoosytema. 2020;42(28):38.
[2]. Rödel MR, Spieler M. Trilingual keys to the savannah-anurans of the Comoé National Park, Ivory Cost. Stuttgarter Beiträge zur Naturkunde, Ser A, Nr. 2000;620:1–31.
[3]. Chauvet J, Michel G, Ouedraogo Y, Chou J, Chait BT, Acher R. A new neurohypophysial peptide, seritocin ([Ser5, Ile8]-oxytocin) identified in a dryness-resistant African toad , Bufo regularis. Inrternational J Pept protein Res [Internet]. 1995/05/01. 1995;45.(5):482–7. Available from: http://www.ncbi.nlm.nih.gov/pubmed/7591488
[4]. Pierce BA, Hillman SS, Withers CP, Drewes CR, Hillyard SD, Withers PC, et al. Ecological and environmental physiology of Amphibians [Internet]. Vol. 60, BioScience. Oxford University Press ; 2009. 469 p. Available from: http://www.herplitsales.com/?page=shop/flypage&product_id=154059#sthash.VlHI6rQ9.dpuf
[5]. Rouille Y, Michel G, Chauvet MT, Chauvet J, Acher R. Hydrins, hydroosmotic neurohypophysial peptides: osmoregulatory adaptation in amphibians through vasotocin precursor processing. Proc Natl Acad Sci U S A [Internet]. 1989/07/01. 1989;86(14):5272–5. Available from: http://www.ncbi.nlm.nih.gov/pubmed/2787509