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https://hdl.handle.net/2440/13524
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DC Field | Value | Language |
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dc.contributor.author | Li, Xinmin | en |
dc.contributor.author | Nield, Jan | en |
dc.contributor.author | Hayman, David | en |
dc.contributor.author | Langridge, Peter | en |
dc.date.issued | 1996 | en |
dc.identifier.citation | Plant Journal. 10(3):505-513 | en |
dc.identifier.issn | 0960-7412 | en |
dc.identifier.uri | http://hdl.handle.net/2440/13524 | - |
dc.description.abstract | Gametophytic self-incompatibility in the Phalaris coerulescens is controlled by two unlinked genes, S and Z. Isolation of the S gene from the pollen of this grass species indicated that the C terminus has significant hemology with thioredoxin H proteins. The protein from the C terminus, expressed in Escherichia coli, exhibits thioredoxin-like activity. This paper demonstrates that the C terminus of the S protein from an S complete mutant shows significant reduction in thioredoxin activity when compared with the wild-type form. Both pollen and stigma have lost self-incompatibility in this mutant. Close examination of the lesions, which were found only in the C terminus of the mutant gene suggests that the substitution of a serine by an arginine is responsible for the reduced enzymatic activity. The association between reduced activity and the loss of the self-incompatibility provides evidence for a role of thioredoxin activity in the self-incompatibility reaction of this species. | en |
dc.description.statementofresponsibility | Xinmin Li, Jan Nield, David Hayman, Peter Langridge | en |
dc.language.iso | en | en |
dc.title | A self-fertile mutant of phalaris produces an S protein with reduced thioredoxin activity | en |
dc.type | Journal article | en |
dc.identifier.doi | 10.1046/j.1365-313X.1996.10030505.x | en |
Appears in Collections: | Agriculture, Food and Wine publications |
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