Fungal genetics / J.R.S. Fincham and P.R. Day.

  • Fincham, J. R. S.
Date:
[1963]
Catalogue details

Licence: Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)

Credit: Fungal genetics / J.R.S. Fincham and P.R. Day. Source: Wellcome Collection.

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    OUTLINE OF THE BIOLOGY OF FUNGI 23 differentiation for which the group seems so well suited. The physiologi¬ cal and morphogenetic studies of Cantino and his associates [55, 57] will form a valuable background to an approach of this kind. Mucorales This is a large order mostly made up of soil or dung inhabiting sapro¬ phytes which form extensive coenocytic mycelia with sporangia contain¬ ing non-motile, usually multinucleate spores. The life cycle of Mucor hiemalis is shown in Fig. 5. Sexual reproduction is by fusion of two multinucleate hyphal cells or gametangia, with the formation of a thick-walled, usually dormant zygo¬ spore. At germination the zygospore forms a germ sporangium which is similar in appearance to the vegetative sporangium. Many of the Muco-