Tissue-specific expression of genes encoding isoforms of the mitochondrial ATPase β subunit in Nicotiana sylvestris

被引：17

作者：

Lalanne, E ^{[1
]}

Mathieu, C ^{[1
]}

Vedel, F ^{[1
]}

De Paepe, R ^{[1
]}

机构：

[1] Univ Paris Sud, ERS CNRS 569, Inst Biotechnol Plantes, F-91405 Orsay, France

来源：

PLANT MOLECULAR BIOLOGY | 1998年 / 38卷 / 05期

关键词：

beta ATPase isoforms; mitochondrial (mt) proteins; pollen-specific expression; nuclear/mitochondrial interactions;

D O I：

10.1023/A:1006088308544

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

We report here that the catalytic beta subunit of the mitochondrial ATPase/ATP synthase is encoded by a small multigenic family in the diploid tobacco Nicotiana sylvestris (nsatp2 genes). cDNAs and, genes corresponding to the beta l, beta 2 and beta 3 (pollen specific) isoforms previously detected by 2D-SDS PAGE were isolated. Nsatp2.1 and nsatp2.2 transcripts were found in all vegetative and reproductive tissues analysed. In contrast, nsatp2.3 transcripts were found exclusively in bicellular pollen. As a whole, steady-state transcript levels of nuclear nsatp2 and mitochondrial atp1 genes were found to be closely correlated.

引用

页码：885 / 888

页数：4

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