Involvement of transient larval neurons in osmoregulation and neurogenesis in the freshwater snails, Lymnaea stagnalis and Helisoma trivolvis.
The role of transient larval FMRFa-ergic neurons of the freshwater snails, Helisoma trivolvis and Lymnaea stagnalis, in osmoregulation and neurodifferentiation was investigated. It was shown that: (i) FMRFa and an FMRFa antibody do not reach their targets when injected into the egg capsule; (ii) long-term incubations of the embryos in neomycin and hyperosmotic solutions of sea water, NaCl and sucrose during the definite developmental stages lead to a special malformation-hydropia; (iii) hydropia coincides with an extensive larval FMRFa-ergic nervous system; (iv) the increased level of FMRFa causes earlier serotonin synthesis by the neurons of the visceral loop ganglia.
Chaban
Anastasia K
AK
Department of Comparative Physiology, Institute of Developmental Biology, Moscow, Russia.
Voronezhskaya
Elena E
EE
D000818:Animals; D019835:FMRFamide / Q000378:metabolism; D017952:Ganglia, Invertebrate / Q000166:cytology / Q000502:physiology; D007814:Larva / Q000166:cytology / Q000254:growth & development / Q000502:physiology; D008195:Lymnaea / Q000166:cytology / Q000254:growth & development / Q000502:physiology*; D009474:Neurons / Q000166:cytology / Q000502:physiology; D012908:Snails / Q000166:cytology / Q000254:growth & development / Q000502:physiology*; D015222:Sodium Channels / Q000378:metabolism; D014882:Water-Electrolyte Balance / Q000502:physiology
D015222:Sodium Channels; D019835:FMRFamide