S-RNase complexes and pollen rejection

Biochemical interactions between the pollen and the pistil allow plants fine control over fertilization. S-RNase-based pollen rejection is among the most widespread and best understood of these interactions. At least three plant families have S-RNase-based self-incompatibility (SI) systems, and S-RN...

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Veröffentlicht in:Journal of experimental botany. - 1985. - 54(2003), 380 vom: 01. Jan., Seite 123-30
1. Verfasser: Cruz-Garcia, Felipe (VerfasserIn)
Weitere Verfasser: Hancock, C Nathan, McClure, Bruce
Format: Aufsatz
Sprache:English
Veröffentlicht: 2003
Zugriff auf das übergeordnete Werk:Journal of experimental botany
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, Non-P.H.S. Review Glycoproteins HT protein, Nicotiana alata Plant Proteins self-incompatibility glycoprotein, Nicotiana 102726-76-1 Ribonucleases mehr... EC 3.1.- ribonuclease S EC 3.1.4.-
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520 |a Biochemical interactions between the pollen and the pistil allow plants fine control over fertilization. S-RNase-based pollen rejection is among the most widespread and best understood of these interactions. At least three plant families have S-RNase-based self-incompatibility (SI) systems, and S-RNases have also been implicated in interspecific pollen rejection. Although S-RNases determine the specificity of SI, other genes are required for the pollen rejection system to function. Progress is being made toward identifying these non-S-RNase factors. HT-protein, first identified as a non-S-RNase factor that was required for SI in Nicotiana alata, has now been implicated in other species as well. In addition, several pistil proteins bind to S-RNase in vitro. One hypothesis is that S-RNase forms a complex with these proteins in vivo that is the active form of S-RNase in pollen rejection 
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650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Research Support, U.S. Gov't, Non-P.H.S. 
650 4 |a Review 
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700 1 |a Hancock, C Nathan  |e verfasserin  |4 aut 
700 1 |a McClure, Bruce  |e verfasserin  |4 aut 
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