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Phosphoglucomutase (PGM) locus in Ephestia cautella: Polymorphism and inheritance patterns

Published online by Cambridge University Press:  19 September 2011

Sanaa B. Lamooza  and
S. S. Kadhum
Sanaa B. Lamooza
Affiliation:
Agriculture and Biology Faculty, Nuclear Research Center, P. O. Box 765, Baghdad, Iraq
S. S. Kadhum
Affiliation:
Agriculture and Biology Faculty, Nuclear Research Center, P. O. Box 765, Baghdad, Iraq
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Abstract

The inheritance of phosphoglucomutase (PGM) was studied electrophoretically in four strains of fig moth, Ephestia cautella. Individual zymograms exhibited one zone of activity with a two-banded pattern in strain A, and one-banded pattern with slow migrating mobility in strains B, C and D. Segregation of banding patterns between parents and progeny in strain A, and chi-square analysis of segregating alleles indicated that the PGM isozymes were regulated by two codominant alleles segregating at a single autosomal locus. No sex linkage was observed in reciprocal crosses. The data also suggest mendelian segregation, and that the PGM isozymes are monomeric in structure. The results of this study indicate that the PGM locus can be a useful marker for studies of E. cautella population dynamics.

Résumé

L'heritabilité de phosphoglucomutase (PGM) a été étudié par la méthode éléctrophoretique de quatre souches de figue mite, Ephestia cautella. Zymogrames de chaque individuel revélent une zone d'activité associe avec un modele a deux bandes pour la souche A, et un model a une bande de migration lente pour les souches B, C et D. Les correlations dans les modeles de bande entre les parents et la progeniture de la souche A et l'analyse de chi-deux des allèles isolés a indiqué que le PGM isozymes sont controlées par deux allèles codominant segregant sur un locus autosomal. On n'a pas observé de linque sexuel après croisements réciproques. Les donnés de cette étude suggésent la ségregation mendelianne et que le PGM isozymes est monomerique en structure. Les resultats de cette étude indiquent aussi que le locus PGM servera comme un marqueur utilisable pour l'études de dynamique de population d'Ephestia cautella.

Keywords

PolymorphismphosphoglucomutaseinheritanceEphestia cautella
Type
Research Articles
Information
International Journal of Tropical Insect Science , Volume 13 , Issue 1 , February 1992 , pp. 45 - 48
Copyright
Copyright © ICIPE 1992

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References

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