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Archive | 2018

玉米素和水杨酸对雨生红球藻( Haematococcus pluvialis )生长及虾青素积累的影响

崔丹丹; Cui Dan-Dan; 杨柳; Yang Liu; 孙雪; Sun Xue; 邹昭敏; Zou Zhao-Min; 李亚鹤; Li Yahe; 张琳; Zhang Lin; 徐年军; Xu Nianjun

虾青素是一种具有强抗氧化活性的类胡萝卜素,而雨生红球藻是天然虾青素的主要来源。本文以雨生红球藻(Haematococcus pluvialis)为材料,研究了植物激素玉米素和水杨酸对雨生红球藻的生长、虾青素含量及相关基因表达的影响。分别添加5种浓度的玉米素或水杨酸,结果发现0.05mg/L玉米素或25mg/L水杨酸处理5d后雨生红球藻虾青素积累最多。该浓度玉米素或水杨酸可显著提高光胁迫下藻细胞密度,最高分别达到3.4×105cell/mL和3.0×105cell/mL;同时玉米素与水杨酸组中虾青素含量显著上升,分别为1.7%和1.6%,比对照组分别增加29.2%和25.6%。玉米素缓解了高光逆境条件下光合作用基因——Rubisco大亚基(rbcL)及其活化酶(rca)、碳酸酐酶(ca)的下调表达,但对虾青素合成途径β-胡萝卜素酮化酶基因(bkt)的表达量没有显著影响;而水杨酸则相反,在胁迫后期不能缓解光合作用相关基因的下调表达,但可使bkt基因显著上调,最高可达对照组的2.5倍。本研究首次比较了玉米素和水杨酸对雨生红球藻生长和虾青素积累的影响,发现玉米素比水杨酸具有更好的促进雨生红球藻中虾青素积累的效果。


Archive | 2013

Preparation method of fish cake

Xu Nianjun; Hu Wei; Sun Xue


Archive | 2013

Culturing method capable of promoting grease accumulation in chlorella

Xu Nianjun; Sun Xue; Lu Haibo; Cong Feng; Jiang Lingzhi


Archive | 2015

Method for improving agar content of gracilaria lemaneiformis

Sun Xue; Li Jing; Xu Nianjun; Wang Qiaoqiao


Archive | 2014

Angiotensin-converting enzyme inhibition peptide sourcing from marine microalgae

Xu Nianjun; Wu Hao; Sun Xue; Yu Hong


Haiyang yu Huzhao | 2012

THE CLONING AND EXPRESSION ANALYSIS OF RUBISCO ACTIVASE GENE IN THE UNICELLULAR GREEN ALGA CHLORELLA PYRENOIDOSA

Deng Yilong; Sun Xue; Xu Nianjun; Yang Rui


Archive | 2017

Method for promoting haematococcus pluvialis to be rapidly transformed and accumulating astaxanthin

Li Yanguo; Xu Nianjun; Sun Xue; Zhang Lin; Li Yahe; Liu Daojin


Archive | 2017

Method for promoting rapid accumulation of astaxanthin in haematococcus pluvialis

Xu Nianjun; Li Yanguo; Sun Xue; Zhang Lin; Yang Liu


Shengwu Jishu Tongbao | 2016

逆境のGRACILARIA LEMANEIFORMIS中の2種類のサリチル酸代謝関連酵素活性を研究した【JST・京大機械翻訳】

Zou Tonglei; Wang Fangjun; Hou Sainan; Sun Xue; Xu Nianjun


Archive | 2016

Method for promoting diffusion of altar laver shell protonema conchospore

Hou Sainan; Sun Xue; Xu Nianjun; Zou Tonglei

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