Salinity driven stress to enhance lipid production in Scenedesmus vacuolatus: A biodiesel trigger?

氯化物 栅藻 化学 盐度 硬脂酸 耐盐性 食品科学 生物柴油生产 生物化学 藻类 生物柴油 植物 生物 有机化学 生态学 催化作用
作者
Vishal Anand,Mrinal Kashyap,Kanchan Samadhiya,Atreyee Ghosh,Kiran Bala
出处
期刊:Biomass & Bioenergy [Elsevier BV]
卷期号:127: 105252-105252 被引量:39
标识
DOI:10.1016/j.biombioe.2019.05.021
摘要

The main aim of the present study is to understand algae behaviour and enhancement of the intracellular neutral lipid content of freshwater green microalgae, Scenedesmus vacuolatus, under salt exposure. Effects of various salts (sodium chloride, magnesium chloride and calcium chloride) on this species were analysed by measuring parameters such as growth rate, chlorophyll content, neutral lipid intensity and conducting FAME profiling. When under stress, microalgae divert their metabolic pathways towards lipid synthesis, and this is evidenced in the current study. Compared to controlled and unmodified media cultivation, sodium chloride and magnesium chloride exposure promoted 383% and 340% higher fluorescence intensities, respectively, and there was a significant increase in the FAME content, particularly of saturated fatty acids (such as palmitic and stearic acid) at a magnesium chloride concentration of 50 mM and calcium chloride exposure of 70 mM, with percentage increases of 109% and 253%, respectively, compared to the control. Algal cells were found to be more tolerant towards NaCl than other salts, and this was confirmed through the biomass accumulation profile. Biomass productivity was highest at exposure to 100 mM sodium chloride (33 mgL−1d−1) followed by calcium chloride (19.5 mgL−1d−1) and magnesium chloride (12.6 mgL−1d−1). Confocal imaging further supported the results, and scanning electron microscopy revealed changes in algal surface morphology. This study provides further information about stress-driven lipid biosynthesis and analyses changes in cellular morphology and physiology. However, further exploration and systematically studies are required to determine exact mechanism involved in neutral lipid enhancement inside cells and associated metabolomics.
最长约 10秒,即可获得该文献文件

科研通智能强力驱动
Strongly Powered by AbleSci AI
更新
PDF的下载单位、IP信息已删除 (2025-6-4)

科研通是完全免费的文献互助平台,具备全网最快的应助速度,最高的求助完成率。 对每一个文献求助,科研通都将尽心尽力,给求助人一个满意的交代。
实时播报
1秒前
CodeCraft应助执着梦柏采纳,获得10
1秒前
犹豫嚣发布了新的文献求助10
2秒前
小蔡完成签到,获得积分10
2秒前
2秒前
3秒前
3秒前
3秒前
naomi完成签到,获得积分10
4秒前
4秒前
毛毛发布了新的文献求助10
5秒前
西柚完成签到,获得积分10
5秒前
Maple发布了新的文献求助10
5秒前
隐形曼青应助一昂杨采纳,获得10
6秒前
cqnuly完成签到,获得积分10
6秒前
JamesPei应助LOONG采纳,获得10
6秒前
易琚发布了新的文献求助10
6秒前
huxley1121完成签到,获得积分10
6秒前
lulu完成签到,获得积分10
6秒前
zycdx3906发布了新的文献求助10
6秒前
7秒前
Doris发布了新的文献求助10
7秒前
思源应助小蚂蚁采纳,获得10
7秒前
Grace发布了新的文献求助10
8秒前
Qi完成签到,获得积分10
9秒前
欣慰汉堡发布了新的文献求助10
9秒前
naomi发布了新的文献求助10
9秒前
z_king_d_23发布了新的文献求助10
10秒前
可爱的函函应助康康星采纳,获得10
10秒前
万能图书馆应助诸峻熙采纳,获得10
10秒前
英姑应助齐百七采纳,获得10
10秒前
舒舒舒发布了新的文献求助10
10秒前
牛小牛完成签到,获得积分10
11秒前
rocket完成签到,获得积分10
11秒前
犹豫嚣完成签到,获得积分10
11秒前
老实向雁完成签到 ,获得积分10
11秒前
哩哩发布了新的文献求助10
12秒前
小橘子发布了新的文献求助10
12秒前
CY完成签到,获得积分10
13秒前
13秒前
高分求助中
Picture Books with Same-sex Parented Families: Unintentional Censorship 700
ACSM’s Guidelines for Exercise Testing and Prescription, 12th edition 500
Nucleophilic substitution in azasydnone-modified dinitroanisoles 500
不知道标题是什么 500
Indomethacinのヒトにおける経皮吸収 400
Phylogenetic study of the order Polydesmida (Myriapoda: Diplopoda) 370
Effective Learning and Mental Wellbeing 300
热门求助领域 (近24小时)
化学 材料科学 医学 生物 工程类 有机化学 生物化学 物理 内科学 纳米技术 计算机科学 化学工程 复合材料 遗传学 基因 物理化学 催化作用 冶金 细胞生物学 免疫学
热门帖子
关注 科研通微信公众号,转发送积分 3974426
求助须知:如何正确求助?哪些是违规求助? 3518788
关于积分的说明 11195842
捐赠科研通 3254946
什么是DOI,文献DOI怎么找? 1797649
邀请新用户注册赠送积分活动 877037
科研通“疑难数据库(出版商)”最低求助积分说明 806130