Identification of pistil-specific proteins associated with three self-incompatibility alleles in Solanum chacoense

B. Xu, P. Grun, A. Kheyr-Pour, Teh-hui Kao

Research output: Contribution to journalArticle

31 Scopus citations

Abstract

Pistil proteins associated with three different S-alleles of the self-incompatibility locus (S locus) in Solanum chacoense have been identified which cosegregated with their respective S alleles in a series of genetic crosses involving six S. chacoense plants, their F1 progeny, and backcrosses. The molecular weights of these three S-allele-associated proteins, designated S1 S2, and S3, were 29 kDa, 30 kDa, and 31 kDa, respectively. They were all basic proteins with a similar pI of approximately 8.6. They have been found only in the stigma and style of the pistil where their maximum synthesis was reached at one day before anthesis. Their rate of synthesis in both self- and cross-pollinated pistils was the same as that in the unpollinated pistil until 2 days after pollination.

Original languageEnglish (US)
Pages (from-to)54-60
Number of pages7
JournalSexual Plant Reproduction
Volume3
Issue number1
DOIs
StatePublished - Feb 1 1990

All Science Journal Classification (ASJC) codes

  • Plant Science
  • Cell Biology

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