ERRATUM: STUDIES OF MULTIPLE ALLELISM IN THE MYXOMYCETE DIDYMIUM IRIDIS

1965 ◽  
Vol 43 (4) ◽  
pp. 486-486
Author(s):  
K. L. Mukherjee ◽  
George G. Zabka
Keyword(s):  
Multiple Allelism ◽  
Didymium Iridis

STUDIES OF MULTIPLE ALLELISM IN THE MYXOMYCETE DIDYMIUM IRIDIS

1964 ◽  
Vol 42 (11) ◽  
pp. 1459-1466 ◽  
Author(s):  
K. L. Mukherjee ◽  
George G. Zabka
Keyword(s):  
Mating Behavior ◽  
Zygote Formation ◽  
Artificial Culture ◽  
Multiple Alleles ◽  
Multiple Allelism ◽  
Physiological Races ◽  
Locus System ◽  
Didymium Iridis

Heterothallism in three physiological races of Didymium iridis collected from Honduras (Mexico), Hawaii, and Australia are reported. Pure clone matings of these races are found to be governed by multiple alleles of incompatibility factors, heterozygosity of which leads to zygote formation. Two of these races behave identically in their mating reactions although their plasmodia are non-fusable. Existence of a two-locus system with linkage of parental alleles is suggested to explain the mating behavior of the pure clones handled and the absence of tetrapolarity. Because of aging and artificial culture, intraracial sterility develops in the pure clones. These clones retain their interracial fertility. Sporadic Plasmodia occasionally form in some of the pure clones probably because of a localized mutation. Zygote formation with the mutated cell apparently leaves the remaining clone population uncontaminated.

Proof for Multiple Allelism of Sex-Differentiating Factors in Habrobracon

1943 ◽  
Vol 77 (773) ◽  
pp. 539-550 ◽  
Author(s):  
Annabelle B. Horn
Keyword(s):  
Multiple Allelism

Production of Hybrids between Physiological Races of the True Slime Mould Didymium iridis

Nature ◽  
1962 ◽  
Vol 193 (4815) ◽  
pp. 598-599 ◽  
Author(s):  
CONSTANTINE J. ALEXOPOULOS ◽  
GEORGE G. ZABKA
Keyword(s):  
Slime Mould ◽  
Physiological Races ◽  
Didymium Iridis

Effects of two mutations on production of a red plasmodial pigment in the myxomycete Didymium iridis

1969 ◽  
Vol 15 (10) ◽  
pp. 1245-1247 ◽  
Author(s):  
O'Neil Ray Collins ◽  
Beverly A. Erlebacher
Keyword(s):  
Didymium Iridis ◽  
Mutant Genes

Spectrophotometric and chromatographic studies reveal that two unlinked mutant genes, b1 and b2, partially block production of a red plasmodial pigment. As a result, mutant Plasmodia are cream-colored instead of brown.

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