- Tytuł:
- Effects of temperature and photoperiod on glucose, glycerol and glycogen concentrations in Helix pomatia Linnaeus, 1758 in spring and autumn
- Autorzy:
-
Nowakowska, A.
Caputa, M.
Rogalska, J. - Powiązania:
- https://bibliotekanauki.pl/articles/83003.pdf
- Data publikacji:
- 2011
- Wydawca:
- Uniwersytet Mikołaja Kopernika. Wydział Biologii i Ochrony Środowiska. Stowarzyszenie Malakologów Polskich
- Tematy:
-
temperature effect
photoperiod
glucose concentration
glycerol concentration
glycogen concentration
Helix pomatia
spring
autumn
cold tolerance
acclimation
snail
land snail
nutritional status
reproductive status - Opis:
- One of the variables oscillating seasonally in Helix pomatia L., described in our previous paper, was their rudimentary cryoprotection provided by modest increases in haemolymph glucose and glycerol concentrations in autumn and early spring, respectively. Because factors governing cryoprotective responses are unknown, we decided to investigate the effects of spring and autumn acclimation of H. pomatia to different thermal and photoperiod conditions on the changes in haemolymph concentrations of glucose and glycerol and on the glycogen level in selected organs. Neither acclimation to short-day photoperiod nor low ambient temperature evoked increase in glucose and glycerol concentration in spring and autumn. Both acclimation variants decreased hepatopancreatic glycogen level. The rudimentary freeze-tolerance in H. pomatia seems to be a combined effect of cold and short-day photoperiod and might also be affected by their nutritional and reproductive status. The effect of exposure to frost-bite is also likely to be involved.
- Źródło:
-
Folia Malacologica; 2011, 19, 3
1506-7629 - Pojawia się w:
- Folia Malacologica
- Dostawca treści:
- Biblioteka Nauki
Artykuł