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CLC number: Q945

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Received: 2005-08-23

Revision Accepted: 2006-02-09

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Journal of Zhejiang University SCIENCE B 2006 Vol.7 No.7 P.591-595


Characteristics of transgenic tomatoes antisensed for the ethylene receptor genes LeETR1 and LeETR2

Author(s):  WANG Zhong-feng, YING Tie-jin, ZHANG Ying, BAO Bi-li, HUANG Xiao-dan

Affiliation(s):  School of Biosystem Engineering and Food Science, Zhejiang University, Hangzhou 310029, China; more

Corresponding email(s):   tjying@hzcnc.com

Key Words:  Antisense transformation, Ethylene receptor, Ethylene response, Tomato

WANG Zhong-feng, YING Tie-jin, ZHANG Ying, BAO Bi-li, HUANG Xiao-dan. Characteristics of transgenic tomatoes antisensed for the ethylene receptor genes LeETR1 and LeETR2[J]. Journal of Zhejiang University Science B, 2006, 7(7): 591-595.

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author="WANG Zhong-feng, YING Tie-jin, ZHANG Ying, BAO Bi-li, HUANG Xiao-dan",
journal="Journal of Zhejiang University Science B",
publisher="Zhejiang University Press & Springer",

%0 Journal Article
%T Characteristics of transgenic tomatoes antisensed for the ethylene receptor genes LeETR1 and LeETR2
%A WANG Zhong-feng
%A YING Tie-jin
%A BAO Bi-li
%A HUANG Xiao-dan
%J Journal of Zhejiang University SCIENCE B
%V 7
%N 7
%P 591-595
%@ 1673-1581
%D 2006
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.2006.B0591

T1 - Characteristics of transgenic tomatoes antisensed for the ethylene receptor genes LeETR1 and LeETR2
A1 - WANG Zhong-feng
A1 - YING Tie-jin
A1 - ZHANG Ying
A1 - BAO Bi-li
A1 - HUANG Xiao-dan
J0 - Journal of Zhejiang University Science B
VL - 7
IS - 7
SP - 591
EP - 595
%@ 1673-1581
Y1 - 2006
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.2006.B0591

Two stable transformed lines containing antisense LeETR1 or LeETR2 sequences and their hybridized line were investigated to determine the effect of LeETR1 and LeETR2 specificity in the ethylene receptor family in tomato (Lycopersicon esculentum Mill.) on ethylene signaling. The transgenic line ale1 containing antisense LeETR1 displayed shorter length of seedling grown in the dark and adult plant in the light, severe epinastic petiole, and accelerated abscission of petiole explant and senescence of flower explant, compared with its wild type B1. The transgenic line ale2 containing antisense LeETR2 also exhibited shorter hypocotyls and slightly accelerated abscission. The phenotypes of cross line dale of LeETR1 and LeETR2 were close to ale1 in many aspects. These results suggested that LeETR1 probably plays a relatively important role in ethylene signaling of tomato growth and development.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article


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