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Nasrallah JB, Doney RC, Nasrallah ME. Biosynthesis of glycoproteins involved in the pollen-stigma interaction of incompatibility in developing flowers of Brassica oleracea L. Planta. 1985;165(1):100-7doi: 10.1007/BF00392217.
Nasrallah, J. B., Doney, R. C., & Nasrallah, M. E. (1985). Biosynthesis of glycoproteins involved in the pollen-stigma interaction of incompatibility in developing flowers of Brassica oleracea L. Planta, 165(1), 100-7. https://doi.org/10.1007/BF00392217
Nasrallah, J B, et al. "Biosynthesis of glycoproteins involved in the pollen-stigma interaction of incompatibility in developing flowers of Brassica oleracea L." Planta vol. 165,1 (1985): 100-7. doi: https://doi.org/10.1007/BF00392217
Nasrallah JB, Doney RC, Nasrallah ME. Biosynthesis of glycoproteins involved in the pollen-stigma interaction of incompatibility in developing flowers of Brassica oleracea L. Planta. 1985 Jul;165(1):100-7. doi: 10.1007/BF00392217. PMID: 24240963.
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Planta. 1985 Jul;165(1):100-7. doi: 10.1007/BF00392217.

Biosynthesis of glycoproteins involved in the pollen-stigma interaction of incompatibility in developing flowers of Brassica oleracea L.

Planta

J B Nasrallah, R C Doney, M E Nasrallah

Affiliations

  1. Section of Genetics and Development, Cornell University, 14853, Ithaca, NY.

PMID: 24240963 DOI: 10.1007/BF00392217

Abstract

De-novo synthesis of the S-allele-specific glycoproteins of Brassica oleracea is demonstrated in stigmas at different developmental stages. Excised stigmas incorporate (14)C-labeled amino acids into their S-glycoproteins early in development and before the self-incompatibility response is acquired, but the rate of synthesis accelerates prior to anthesis, resulting in the accumulation of high levels of the S-glycoproteins in the stigma and coinciding with the acquisition of the pollen-stigma incompatibility response. Since the self-compatible and self-incompatible zones of developing inflorescences are very sharply delineated, a threshold quantity of S-glycoproteins appears to be critical for the onset of self-incompatibility. Incorporation experiments in which [(35S)methionine was applied to intact stigma surfaces indicate that the papillae are the main sites of synthesis of the S-specific glycoproteins.

References

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