Cyclomorphosis in tardigrada: Adaptation to environmental constraints

Journal of Experimental Biology

Volumn 212, Issue 17, 2009, Pages 2803-2811

  Halberg, Kenneth Agerlin ^a   Persson, Dennis ^a,b   Ramløv, Hans ^c   Westh, Peter ^c   Kristensen, Reinhardt Møbjerg ^b   Møbjerg, Nadja ^a  

^a UNIVERSITY OF COPENHAGEN   (Denmark)

^b UNIVERSITY OF COPENHAGEN   (Denmark)

^c ROSKILDE UNIVERSITY   (Denmark)

Author keywords

Cyolomorphosis; Environmental stress; Freeze tolerance; Halobiotus crispae; Invertebrate; Osmoregulation; Tardigrade; Volume regulation

Indexed keywords

ACCLIMATIZATION; ANIMAL; ARTICLE; ELECTROLYTE BALANCE; INVERTEBRATE; OSMOLARITY; OSMOTIC PRESSURE; PHYSIOLOGY; SCANNING ELECTRON MICROSCOPY; TEMPERATURE; ULTRASTRUCTURE;

ACCLIMATIZATION; ANIMALS; INVERTEBRATES; MICROSCOPY, ELECTRON, SCANNING; OSMOLAR CONCENTRATION; OSMOTIC PRESSURE; TEMPERATURE; WATER-ELECTROLYTE BALANCE;

ANIMALIA; EUTARDIGRADES; HALOBIOTUS; HALOBIOTUS CRISPAE; INVERTEBRATA; TARDIGRADA;

EID: 70349238742     PISSN: 00220949     EISSN: None     Source Type: Journal    
DOI: 10.1242/jeb.029413     Document Type: Article

References (39)

1. Block, W. (1991). To freeze or not to freeze? Invertebrate survival of sub-zero temperatures, Fund. Ecol. 5, 284-290.
2. Convey, P. and Mclnnes, S. J. (2005). Exceptional tardigrade-dominated ecosystems in Ellsworth Land, Antarctica, Ecology 86, 519-527.
3. Dewel, R. A. and Dewel, W. C. (1979). Studies on the tardlgrades, J. Morphol. 161, 79-110.
4. Forster, S. J. (1998). Osmotic stress tolerance and osmoregulation of intertidal and subtidal nematodes, J. Exp. Mar. Biol. Ecol. 224, 109-125,
5. Fusé, M., Davey, K. G. and Sommerville, R. I. (1993). Osmoregulation In the parasitic nematode Pseudoterranova decipiens. J. Exp. Biol. 175, 127-142.
6. Garey,J.R.,Krotec,M.,Nelson,D.R.andBrooks,J.(1996). Molecularanalysissupportsatardigrade-arthropodassociation,Invertebr.Biol.115, 79-88.(Pubitemid126038921)
7. Girlbst,G.,Carranza,S.,Baguña,J.,Rlutort,M.andRibera,C.(1996). FirstmolecularevidenceoftheexistenceofaTardlgrada+Arthropodaclade,Mol.Biol.Evol. 13,76-84.(Pubitemid26012456)
8. Greven, H. (1979). Notes on the structure of vasa Malpihgi in the eutardigrade lsohypsibius augusti (Murray, 1907) Zesz. Nauk. Uniw. Jagiel. Prace Zool. 25, 87-95.
9. Greven, H. (1982). Homologues or analogues? A survey of some structural patterns In Tardigrada, In Proceedings of the Third International Symposium on the Tardigrada (ed. D. R. Nelson). pp. 55-76, Johnson City, TN: East Tennessee State University Press.
10. Grongaard, A., Pugh, P. J. A. and Mclnnes, S. (1999). Tardigrades, and other cryoconite biota, on the Greenland ice sheet, Zool. Anz. 238, 211-214.
11. Guidetti, R., Boschini, D., Altiero, T., Bertolani, R. and Rebecchi, L. (2008). Diapause in tardigrades: a study of factors involved in encystment, J. Exp. Biol. 211, 2296-2302.
12. Hengherr, S., Heyer, A. G., Köhler, H. R. and Schill, R. O. (2008). Trehalose and anhydrobiosls in tardigrades: evidence for divergence in response to dehydration, FEBS J. 275, 281-288.
13. Hengherr, S., Worland, M. R., Reuner, A., Brümmer, F. and Schill, R. O. (2009). Freeze tolerance, supercooling plonts and ice formation: comparative studies on the subzero temperature survival of limno-terrestrial tardigrades, J. Exp. Biol. 212, 802-807.
14. Horikawa, D. D., Sakashlta, T., Kataglrl, C., Watanabe, M., Kikawada, T., Nakahara, Y., Hamada, N., Wada, S., Funayama, T., Higishi, S. et al. (2006). Radiation tolerance in the tardigrade Milnesium tardigradum. Int. J. Radiat. Biol. 82, 843-848
15. Jönson, K. I. and Schill, R. O. (2007). Induction of Hsp70 by dessicatlon, ionizing radiation and heat-shock In the eutardigrade Richtersius coronifer. Comp. Biochem. Physiol. 146B, 456-460.
16. Kinchin, I. M. (1994). The Biology of Tardigrades, pp, 1-186, London: Portland Press.
17. Krlstensen, R. M. (1982). The first record of cyclomorphosis In Tardigrada based on a new genus and species from Arctic melobenthos, Z Zool. Syst. Evol. Forsch. 20, 249-270.
18. Kristiansen, J. and Westh, P. (1991). Freezing behaviour of multilamellar vesicles in 0.9% sodium chloride. Cryo Letters 12, 167-176.
19. Lee, R. E. (1991). Principles of insect low temperature tolerance, In Insects at Low Temperatures (ed. R. E. Lee and D. L. Denlinger). pp. 17-46, New York: Chapman and Hall.
20. Mallatt, J. M., Garey, J. R. and Shultz, J. W. (2004). Ecdysozoan phylogeny and Baysian Inference: first use of nearly complete 28S and 18S rRNA gene sequences to classify the arthropods and their kin, Mol. Phylogenet. Evol. 31, 178-191.
21. Mobjerg, N. and Dahl, C. (1996). Studies on the morphology and ultrastructure of the Malpighian tubules of Halobiotus crispae Khstensen, 1982 (Eutardigrada). Zool. J. Linn. Soc. 116, 85-99. (Pubitemid 126059412)
22. Møbjerg,N.,Jørgensen,A.,Elbye-Jacobsen,J.,Halberg,K.A., Persson,D.andKristensen,R.M.(2007). NewrecordsoncyclomorphosisinthemarineeutardigradeHalobiotuscrispae(Eutardigrada: Hypsibiidae).J.Limnol.66Suppl.1,132-140.(Pubitemid47215179)
23. Mcholajsen, H. and Hvidt, Å. (1994). Phase behaviour of the system trehalose-NaClWater, Cryobiology 31, 199-205.
24. Pelzer, B., Dastych, H. and Greven, H. (2007). The osmoregulatory/ excretory organs of the glacier-dwelling eutardigrade Hypslbius klebelsbergl Mihelčič, 1959 (Tardigrada). Mitt. Hamb. Zool. Mus. Inst. 104, 61-72.
25. Plate, L. H. (1889). Beiträge zur Naturgeschichte der Tardigraden, Zool. Jb. Anat. Ontog. 3, 487-550.
26. Ramløv, H. and Weeth, P. (1992). Survival of the cryptoblotic tardigrade Adorybiotus coroniler during cooling to -196°C: effect of cooling rate, trehalose level and short term pre-acclimatlon, Cryobiology 29, 125-130.
27. Ramløv, H. and Westh, P. (1993). Ice formation in the freeze tolerant alpine weta Hemideina maori Huttton (Orthoptera; Stenopelmatidae). Cryo Letters 14, 169-176.
28. Ramløv, H. and Westh, P. (2001). Cryptoblosis In the Eutardigrade Adorybiotus (Richtersius) coronifer. tolerance to alcohols, temperature and de novo protein synthesis, Zool. Anz. 240, 517-523.
29. Ramløv, H., Wharton, D. A. and Wilson, P. W. (1996). Recrystalization in a freezingtolerant Antarctic nematode Panagrolaimus davidi, and an alpine weta Hemideina maori (Orthoptera; Stenopelmatidae). Cryobiology 33, 607-613. (Pubitemid 126371404)
30. Sarver, R. G., Flynn, M. A. and Holliday, C. W. (1994). Renal Na, K-ATPase and osmoregulation in the crayfish Procambarus clarkli. Comp. Biochem. Physiol. 107A, 349-356.
31. Schill, R. O., Steinbrück, G. H. B. and Köhler, H. R. (2004). Stress gene (hsp70) sequences and quantitative expression in Milnesium tardigradum (Tardigrada) during active and cryptoblotic stages, J. Exp. Biol. 207, 1607-1613.
32. Spyropoulos, C. S. and Teorell, T. (1968). The dependence of nerve membrane potentials upon extracellular ionic strength, Proc. Natl. Acad. Sci. USA 60, 118-125.
33. Weglarska, B. (1987a). Studies on the excretory system of lsohypslbius granulifer Thulln (Eutardigrada). In Biology of Tardigrades: Seleded Symposia and Monographs 1 (ed. R. Bertolanl). pp. 15-24, Modena: U.Z.I. Mucchi.
34. Weglarska, B. (1987b). Morphology and ultrastructure of the excretory system in Dadylobiotus dispar (Murray) (Eutardigrada). In Biology of Tardigrades: Selected Symposia and Monographs 1 (ed. R. Bertolani). pp. 25-33. Modena: U.Z.I. Mucchl.
35. Westh, P. and Kristensen, R. M. (1992). Ice formation in the freeze-tolerant eutardigrades Adorybiotus coronifer and Amphibolus nebulosus studied by differential scanning calorimetry, Polar Biol. 12, 693-699.
36. Wharton, D. A. (1994). Freezing avoidance in the eggs of the Antarctic nematode Panagrolaimus davidi. Fundam. Appl. Nematol. 17, 239-243.
37. Wharton, D. A. and Block, W. (1997). Differential scanning calorimetry studies on an Antarctic nematode (Panagrolmmus davidi) which survives Intracellular freezing. Cryobiology 34, 114-121.
38. Wharton, D. A. and Worland, M. R. (1998). Ice nucleating activity In the freezing-tolerant Antarctic nematode Panagrolaimus davidi. Cryobblogy36, 279-286.
39. Zacharlassen, K. E. (1985). Physiology of cold tolerance In insects, Physiol. Rev. 65, 799-831.