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Sexuality in an Azygosporic Strain of Mucor hiemalis. I. Breakdown of the Azygosporic Component
American Journal of Botany
Vol. 53, No. 8 (Sep., 1966), pp. 751-755
Published by: Botanical Society of America, Inc.
Stable URL: http://www.jstor.org/stable/2440176
Page Count: 5
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Single-vegetative-sporangiospore isolations were carried out on a number of azygosporic cultures of Mucor hiemalis. The resulting cultures were predominantly azygosporic (+) and normal-appearing (+) while normal-appearing (-) and azygosporic (-) types were somewhat more rare. While the breakdown of the azygosporic condition is not entirely predictable, it is more evident in older cultures and cultures which have been sub-cultured. The azygosporic cultures are thought to be bisexual but not sexually heterokaryotic. Sexual heterokaryosis may occur, if briefly, once the breakdown process has been initiated. The production of azygospores is thought to be an expression of the bisexual nature of the azygosporic mycelium.
American Journal of Botany © 1966 Botanical Society of America, Inc.