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Journal of Zhejiang University SCIENCE B

, Volume 7, Issue 7, pp 591–595 | Cite as

Characteristics of transgenic tomatoes antisensed for the ethylene receptor genes LeERT1 and LeERT2

  • Wang Zhong-feng 
  • Ying Tie-jin 
  • Zhang Ying 
  • Bao Bi-li 
  • Huang Xiao-dan 
Article

Abstract

Two stable transformed lines containing antisense LeERT1 or LeERT2 sequences and their hybridized line were investigated to determine the effect of LeERT1 and LeERT2 specificity in the ethylene receptor family in tomato (Lycopersicon esculentum Mill.) on ethylene signaling. The transgenic line ale1 containing antisense LeERT1 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 LeERT2 also exhibited shorter hypocotyls and slightly accelerated abscission. The phenotypes of cross line dale of LeERT1 and LeERT2 were close to ale1 in many aspects. These results suggested that LeERT1 probably plays a relatively important role in ethylene signaling of tomato growth and development.

Key words

Antisense transformation Ethylene receptor Ethylene response Tomato 

CLC number

Q945 

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Copyright information

© Springer-Verlag 2006

Authors and Affiliations

  • Wang Zhong-feng 
    • 1
    • 2
  • Ying Tie-jin 
    • 1
  • Zhang Ying 
    • 2
  • Bao Bi-li 
    • 1
  • Huang Xiao-dan 
    • 1
  1. 1.School of Biosystem Engineering and Food ScienceZhejiang UniversityHangzhouChina
  2. 2.Department of Biological and Chemical EngineeringGuangxi University of TechnologyLiuzhouChina

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