|本期目录/Table of Contents|

[1]凌善锋,蔡福欢,刘彦文,等.3.5 mg/L水杨酸诱导斜生栅藻积累虾青素的分子机理[J].江苏农业科学,2016,44(04):287-290.
 Ling Shanfeng,et al.Molecular mechanism of astaxanthin accumulation of Scenedesmus obliquus induced by salicylic acid[J].Jiangsu Agricultural Sciences,2016,44(04):287-290.
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3.5 mg/L水杨酸诱导斜生栅藻积累虾青素
的分子机理
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第44卷
期数:
2016年04期
页码:
287-290
栏目:
畜牧兽医与水产蚕桑
出版日期:
2016-04-25

文章信息/Info

Title:
Molecular mechanism of astaxanthin accumulation of Scenedesmus obliquus induced by salicylic acid
作者:
凌善锋 蔡福欢 刘彦文 朱勇 韩梁 程淼
荆楚理工学院生物工程学院,湖北荆门 448000
Author(s):
Ling Shanfenget al
关键词:
水杨酸斜生栅藻形态生物量虾青素分子机制
Keywords:
-
分类号:
S917
DOI:
-
文献标志码:
A
摘要:
在自然条件下,向对数生长期的斜生栅藻(Scenedesmus obliquus)培养液中加入3.5 mg/L的水杨酸溶液,进行胁迫培养以诱导藻类细胞内虾青素的合成与积累。在培养过程中,每隔3 d对藻液取样制片,然后用显微镜观察其生长状况及细胞形态变化。结果发现:经3.5 mg/L水杨酸诱导的藻的形态发生了明显变化,该水杨酸溶液对于斜生柵藻细胞来说是一种逆境胁迫因子,藻细胞内通过积累高达1.123 mg/g的虾青素来形成一种自我保护机制。八氢番茄红素脱氢酶(PDS)和β-胡萝卜素加氧酶(crtO)基因表达水平上调是藻细胞合成虾青素的主要调控机制。随着培养时间增加,藻细胞生物量呈时间依赖性增加(除15 d外),最高达2.08×106个/mL。
Abstract:
-

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2015-11-22
基金项目:国家自然科学基金(编号:30671394);药物合成与优化湖北省重点实验室开放基金(编号:OPP2014YB02);湖北省教育厅科学技术研究项目(编号:Q20126101);荆楚理工学院引进博士科研启动经费 (编号:2013BK05);湖北省教育厅省属高校青年教师出国留学项目(编号:鄂教外函[2014]59号)。
通信作者简介:凌善锋(1971—),男,浙江富阳人,博士,副教授,主要从事天然虾青素的产业化研究工作。E-mail:shanfeng86@163.com。
更新日期/Last Update: 2016-04-25