GAMETOPHYTIC AND SPOROPHYTIC EXPRESSION OF AN ANTHER-SPECIFIC ARABIDOPSIS-THALIANA GENE

被引：56

作者：

ROBERTS, MR ^{[1
]}

FOSTER, GD ^{[1
]}

BLUNDELL, RP ^{[1
]}

ROBINSON, SW ^{[1
]}

KUMAR, A ^{[1
]}

DRAPER, J ^{[1
]}

SCOTT, R ^{[1
]}

机构：

[1] SCOTTISH CROP RES INST,DUNDEE DD2 5DA,SCOTLAND

来源：

PLANT JOURNAL | 1993年 / 3卷 / 01期

关键词：

D O I：

10.1111/j.1365-313X.1993.tb00014.x

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Genomic and cDNA clones of the anther-specific APG gene from Arabidopsis thaliana and Brassica napus, which encodes a novel proline-rich protein, were isolated and characterized. Southern blotting and Northern analysis of male fertile and cytoplasmic male sterile varieties of B. napus showed that the APG gene is present as a single copy in the Arabidopsis genome, and that the B. napus APG gene is a member of a small anther-specific gene family. Analysis of developmentally staged B. napus flower buds indicated that APG transcript is confined to the anther during the period of microspore development. Reporter gene fusions established that the APG promoter directs expression in a number of cell types in anthers of transformed plants. This expression is consistent with the temporal pattern of mRNA accumulation in B. napus buds and follows a complex developmental pattern. Most significantly, the promoter is active in both sporophytic and gametophytic cell types, with activity of the transgene in each cell type being delineated by various cytological markers.

引用

页码：111 / 120

页数：10

共 28 条

[1] A GENE SHOWING SEQUENCE SIMILARITY TO PECTIN ESTERASE IS SPECIFICALLY EXPRESSED IN DEVELOPING POLLEN OF BRASSICA-NAPUS - SEQUENCES IN ITS 5' FLANKING REGION ARE CONSERVED IN OTHER POLLEN-SPECIFIC PROMOTERS [J].