Letter | Published:

Role of Lipid in the Hardening of the Cuticle in the Silkworm, Bombyx mori

Naturevolume 191page279 (1961) | Download Citation



Malek1, and Dennell and Malek2, have stated that the cuticle of Periplaneta becomes impregnated with a sterol and a protein rich in tyrosine, and Dennell3 has given evidence that, in the development of the puparium of Calliphora, destruction of localized areas of the epidermis prevents the passage of sterol to the cuticle and also causes lack of tanning of the cuticle immediately above the operated areas.

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  1. 1

    Malek, S. R. A., Nature, 170, 850 (1952). 180, 237 (1957).

  2. 2

    Dennell, R., and Malek, S. R. A., Proc. Roy. Soc., B, 143, 414 (1955).

  3. 3

    Dennell, R., Ent. exp. et app., 1, 268 (1958).

  4. 4

    Takahashi, Bull. Nagano Seric. Exp. Stat, 58, 1 (1959).

  5. 5

    Jones, B. M., and Sinclair, W., Nature, 181, 926 (1958).

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  1. Sericultural Laboratory, Faculty of Agriculture, Nagoya University, Anjô, Aichi-ken, Japan



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