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Title 

Multiple genes encoding serine/threonine protein phosphatases and their differential expression in Nicotiana tabacum

Authors 

Mi Chung SuhHye Sun ChoYoun Sung KimJang Ryol LiuHyun Sook Lee

Publisher 

Springer Verlag (Germany)

Issue Date 

1998

Citation 

Plant Molecular Biology, vol. 36, no. 0, pp. 315-322

Keywords 

cDNA cloningSer/Thr protein phosphataseNicotiana tabacummultigene family

Abstract 

Five cDNA clones encoding the catalytic subunits of Ser/Thr protein phosphatases (PP) of Nicotiana tabacum were described. Among them, three clones (NPP1, NPP2, and NPP3) encoded type 1 PP (PP1), whereas the rest of the clones (NPP4 and NPP5) encoded type 2A PP (PP2A). These cDNA clones exhibited high sequence identity in the PP core region to the corresponding genes from animals and plants. NPP1 mRNA was predominantly expressed in flowers, whereas NPP5 mRNA was mainly detected in leaves and flowers. Inn contrast, the transcripts of NPP2, NPP3, and NPP4 genes were present in all tissues examined. Throughout flower development, NPP1, NPP2, NPP5 mRNAs were expressed without any significant variation at the steady-state level. Genomic Southern blot showed that tobacco genome contained multiple genes and/or pseudogenes for both type 1 and type 2A phosphatases.

ISSN 

0167-4412

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2017-04-19


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