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Theoretical and Applied Genetics
Efron, Y., Department of Field and Vegetable Crops, The Hebrew University, Faculty of Agriculture, Rehovot, Israel, Department of Cereal Crops, Israel Agricultural Research Organization Neve-Ya'ar Experimental Station, P. O. Haifa, Israel
The genetic control of acid phosphatase-1 (AP1) activity in pollen of maize was studied by crossing inbred lines having different AP1 isozymes and different activity levels of the A P1 enzyme. Usually, the intensities of the SS and FF isozyme bands were not equal in pollen of A P1 S/A P1 Fheterozygous F1 hybrids, but the relative intensities of the two bands were not correlated to the activity levels of the parental lines. The A P1 S/A P1 Sand A P1 F/A P1 FF2 populations differed in their mean level of activity. Both populations showed segregation in the activity levels indicating single gene control. The intensity ratios of the SS and FF bands in the different heterozygous A P1 S/A P1 FF2 plants did not segregate. The results support the competition model for gene regulation proposed by Schwartz (1971). © 1973 Springer-Verlag.
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תנאי שימוש
Inheritance studies with inbred lines of maize having different activity levels of the AP1 controlled acid phosphatase isozymes
43
Efron, Y., Department of Field and Vegetable Crops, The Hebrew University, Faculty of Agriculture, Rehovot, Israel, Department of Cereal Crops, Israel Agricultural Research Organization Neve-Ya'ar Experimental Station, P. O. Haifa, Israel
Inheritance studies with inbred lines of maize having different activity levels of the AP1 controlled acid phosphatase isozymes
The genetic control of acid phosphatase-1 (AP1) activity in pollen of maize was studied by crossing inbred lines having different AP1 isozymes and different activity levels of the A P1 enzyme. Usually, the intensities of the SS and FF isozyme bands were not equal in pollen of A P1 S/A P1 Fheterozygous F1 hybrids, but the relative intensities of the two bands were not correlated to the activity levels of the parental lines. The A P1 S/A P1 Sand A P1 F/A P1 FF2 populations differed in their mean level of activity. Both populations showed segregation in the activity levels indicating single gene control. The intensity ratios of the SS and FF bands in the different heterozygous A P1 S/A P1 FF2 plants did not segregate. The results support the competition model for gene regulation proposed by Schwartz (1971). © 1973 Springer-Verlag.
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