|Table of Contents|

Effect of Salt Stress on Expression of Lycopene Cyclase Gene in Processing Tomato Leaves(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2014年04期
Page:
82-85
Research Field:
Publishing date:

Info

Title:
Effect of Salt Stress on Expression of Lycopene Cyclase Gene in Processing Tomato Leaves
Author(s):
ZHANG Fen1; ZHANG Bo2; TIAN Li-ping1; 2; XUE Lin3; LI Hui-ling1; ZENG Yi-hui3
1.College of Life Science, Shihezi University,Shihezi，Xinjiang 832000；
2.College of Pharmacy，Shihezi University,Shihezi，Xinjiang 832000；
3.Vegetable Research Institute of Shihezi,Shihezi，Xinjiang 832000
Keywords:
salt stress; processing tomato; lycopene cyclase(Lyc-β); expression
PACS:
S 641.2
DOI:
-
Abstract:
Taking three tomato cultivars ‘Shihong305’，‘Ligeer 87-5’ and ‘LA2711’ as material,the expression of lycopene cyclase gene (Lyc-β) of processing tomato leaves under the conditions of different salinity level was checked using semi-quantitativeRT-PCR,in order to study the molecular mechanism of carotenoids synthesis in processing tomato leaves under salt stress.The results showed that the expression of Lyc-β gene could be up or down regulated at the certain range of salinity，it also found that different cultivars changed differently when the salinity level increased，which could be related to the tomato’s genotype and their ability of salt tolerance.HPLC was used for determination of β-carotene content in corresponding leaves，the results illustrated that the change of Lyc-β gene expression was correlated with the change of β-carotene content in the leaves.This study further revealed that salt stress could affect the metabolism of β-carotene synthesis by regulating the expression of lycopene cyclase gene.

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Last Update: 2014-08-08