[1]吴磊,许凯,徐燕,等.维生素B12对坛紫菜响应高温胁迫的影响[J].集美大学学报(自然版),2018,23(5):321-326.
 WU Lei,XU Kai,XU Yan,et al.Effects of Vitamin B12 on the Responses of Pyropia haitanensis to High Temperature[J].Journal of Jimei University,2018,23(5):321-326.
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维生素B12对坛紫菜响应高温胁迫的影响()
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《集美大学学报(自然版)》[ISSN:1007-7405/CN:35-1186/N]

卷:
第23卷
期数:
2018年第5期
页码:
321-326
栏目:
水产、食品与生物技术
出版日期:
2018-09-28

文章信息/Info

Title:
Effects of Vitamin B12 on the Responses of Pyropia haitanensis to High Temperature
作者:
吴磊许凯徐燕纪德华王文磊陈昌生谢潮添
(集美大学水产学院,福建 厦门 361021)
Author(s):
WU LeiXU KaiXU YanJI DehuaWANG WenleiCHEN ChangshengXIE Chaotian
(Fisheries College,Jimei University,Xiamen 361021,China)
关键词:
坛紫菜维生素B12甲硫氨酸高温胁迫生理生化指标
Keywords:
Pyropia haitanensisvitamin B12methioninehigh temperature stressphysiological and biochemical indexes
文献标志码:
A
摘要:
研究了维生素B12对坛紫菜的生理生化影响,分析了外源添加维生素B12和甲硫氨酸后坛紫菜的生理指标和光合参数。结果表明:高温胁迫下坛紫菜生长几乎停止;31 ℃高温处理3 d后,维生素B12处理组的Fv/Fm显著高于对照组;处理5 d后,对照组发生明显溃烂,而添加了不同浓度维生素B12和甲硫氨酸后坛紫菜叶状体未见明显溃烂。本研究揭示维生素B12和甲硫氨酸可以增强坛紫菜耐受高温胁迫的能力,但是其作用机制还有待进一步验证。
Abstract:
Vitamin B12 could regulate genes expression of algae,improve the heat tolerance,and participate in the interactions between bacteria and eukaryotic algae.However,knowledge is limited on the physiological effects of vitamin B12 on heat responses of Pyropia haitanensis.The physiological indexes and photosynthesis parameters of P.haitanensis were measured after addition of exogenous vitamin B12 and methionine.The results showed that the growth of P.haitanensis was stopped under high temperature stress;vitamin B12 decreased the inhibition of 3 days of high temperature treatment on Fv/Fm;the control group had obvious rots after 5 days of heat treatment,but no obvious rots were found on the thalli with addition of vitamin B12 and methionine.This study indicated that vitamin B12 and methionine could strengthen the heat tolerance ability of P.haitanensis,but the mechanism remains to be further verified.

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更新日期/Last Update: 2018-11-08