ISOLATION AND EXPRESSION ANALYSIS OF 2 RICE GENES ENCODING THE MAJOR INTRINSIC PROTEIN

被引：67

作者：

LIU, Q ^{[1
]}

UMEDA, M ^{[1
]}

UCHIMIYA, H ^{[1
]}

机构：

[1] UNIV TOKYO, INST MOLEC & CELLULAR BIOSCI, CELLULAR FUNCT LAB, BUNKYO KU, TOKYO 113, JAPAN

来源：

PLANT MOLECULAR BIOLOGY | 1994年 / 26卷 / 06期

关键词：

RICE; MAJOR INTRINSIC PROTEIN; TONOPLAST INTRINSIC PROTEIN; CHANNEL PROTEIN; TRANSMEMBRANE DOMAIN;

D O I：

10.1007/BF00019511

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 isolated two rice cDNAs (rMip1 and rTip1) which are homologous to the genes encoding the major intrinsic protein (Mip) (soybean nod-26 and Arabidopsis gamma-Tip), respectively. Expression of rTip1 in shoots and roots of rice seedlings was enhanced by water stress, salt stress and exogenous ABA. rMip1 was expressed only in shoots. Although mRNA level of rMip1 in shoots was induced to a small extent by exogenous ABA, it did not show any increase under water or salt stress over the course of 12 h. On the basis of the differential expression patterns and evolutional distinctions, it is suggested that the possible channel proteins encoded by rMip1 and rTip1 genes may function in different transport systems.

引用

页码：2003 / 2007

页数：5

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