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. 1978 Mar;75(3):1446–1450. doi: 10.1073/pnas.75.3.1446

Influence of homoeologous chromosomes on gene-dosage effects in allohexaploid wheat (Triticum aestivum L.).

C Aragoncillo, M A Rodríguez-Loperena, G Salcedo, P Carbonero, F García-Olmedo
PMCID: PMC411489  PMID: 274731

Abstract

Gene-dosage responses for a group of six wheat endosperm proteins have been investigated by using compensated nulli-tetrasomic lines of cv. Chinese Spring. Practically linear dosage responses have been observed for all the proteins. However, for two of the proteins (and probably for a third one), the net output of protein, at each dosage of its structural gene, was 30-80% higher when the chromosome carrying an active homoeogene was absent. The possible significance of this effect in connection with the loss of gene redundancy undergone by polyploids is discussed.

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Selected References

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