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J Insect Physiol. 2005 Jun;51(6):727-31.

Induction of anhydrobiosis in fat body tissue from an insect.

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Department of Physiology and Genetic Regulation, National Institute of Agrobiological Sciences, 1-2 Ohwashi, Tsukuba, Ibaraki 305-8634, Japan.


The larva of the African chironomid Polypedilum vanderplanki can withstand complete desiccation. Our previous reports revealed that even when the larva is dehydrated without a brain, it accumulated a great amount of trehalose and successfully went into anhydrobiosis. In this paper we determined the viability after rehydration in tissues from the larvae followed by complete dehydration. Only fat-body tissues that were the main producer of trehalose could be preserved in a dry state at room temperature for an extended period of more than 18 months in a viable form. Thus we have confirmed that the central nervous system is not involved in the induction of anhydrobiosis, even in this complex multicellular organism.

[Indexed for MEDLINE]

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