CHARACTERIZATION OF A PREDOMINANTLY PISTIL-EXPRESSED GENE ENCODING A GAMMA-THIONIN-LIKE PROTEIN OF PETUNIA-INFLATA

被引：59
作者：
KARUNANANDAA, B
SINGH, A
KAO, TH
机构：
[1] PENN STATE UNIV,GRAD PROGRAM PLANT PHYSIOL,UNIVERSITY PK,PA 16802
[2] PENN STATE UNIV,DEPT BIOCHEM & MOLEC BIOL,UNIVERSITY PK,PA 16802
来源：
PLANT MOLECULAR BIOLOGY | 1994年 / 26卷 / 01期
关键词：
GAMMA-THIONIN; PETUNIA INFLATA; PREDOMINANTLY PISTIL-EXPRESSED GENE;
D O I：
10.1007/BF00039555
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 a cDNA clone from a pistil cDNA library of Petunia inflata which encodes a protein, PPT, with sequence similarity to gamma-thionins. Characterization of a genomic clone containing a PPT gene revealed the presence of a single intron. Northern analysis revealed that the PPT gene was predominantly expressed in the pistil during all stages of flower development. Since thionins have been implicated in plant defense against pathogens, PPT may play a role similar to that of other defense-related proteins found in the pistil, defending the pistil against pathogen infection.
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页码：459 / 464
页数：6
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