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Theor Appl Genet. 1982 Sep;63(3):283-7. doi: 10.1007/BF00304011.

Location of structural genes for glucose phosphate isomerase and for leucyl aminopeptidase on chromosome VII of Petunia.

TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik

H J Wijsman, B M van den Berg

Affiliations

  1. Institute of Genetics, University of Amsterdam, Amsterdam, The Netherlands.

PMID: 24270830 DOI: 10.1007/BF00304011

Abstract

A gene termed gpiB, coding for one of the two isoenzyme zones of glucose phosphate isomerase in Petunia, has been mapped to a locus on chromosome VII by means of linkage to the marker An4, and by an allelic dosage effect on enzyme activity in trisomics. The high degree of linkage of electrophoretic alleles of gpiB to the pollen colour allele pair An4/an4, as demonstrated in the ancestral species, P. axillaris s.l. and P. integrifolia s.l., has been conserved in all cultivars of P. hybrida investigated. Another gene, coding for the enzyme leucyl-aminopeptidase could also be mapped to chromosome VII and the gene order An4 - lapB - gpiB determined. Apparently, distribution of lapB alleles is not related to the hybrid descent of P. hybrida.

References

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