Arid
DOI10.1002/elsc.201800082
Estimation of growth and exopolysaccharide production by two soil cyanobacteria, Scytonema tolypothrichoides and Tolypothrix bouteillei as determined by cultivation in irradiance and temperature crossed gradients
Kviderova, Jana1; Kumar, Dhanesh2,3; Lukavsky, Jaromir4; Kastanek, Petr2,5; Adhikary, Siba Prasad3
通讯作者Kumar, Dhanesh
来源期刊ENGINEERING IN LIFE SCIENCES
ISSN1618-0240
EISSN1618-2863
出版年2019
卷号19期号:3页码:184-195
英文摘要Two filamentous cyanobacteria of the genera Scytonema and Tolypothrix were reported to be effective for stabilizing soil in arid areas due to the production of significant amounts of extracellular polysaccharides (EPS). These EPS may also have applications in the biotechnology industry. Therefore, two cyanobacterial species, Scytonema tolypothrichoides and Tolypothrix bouteillei were examined using crossed gradients of temperature (8-40 degrees C) and irradiance (3-21 W m(-2)) to identify their temperature and irradiance optima for maximum biomass and EPS production. According to their reported temperature requirements, both strains were considered mesophilic. The optimum growth range of temperature in S. tolypothrichoides (27 to 34 degrees C) was higher than T. bouteillei (22-32 degrees C). The optimum irradiance range for growth of S. tolypothrichoides (9-13 W m(-2)) was slightly lower than T. bouteillei (7-18 W m(-2)). Maximum EPS production by S. tolypothrichoides occurred at similar temperatures (28-34 degrees C) as T. bouteillei (27-34 degrees C), both slightly higher than for maximum growth. The optimum irradiance range for EPS production was comparable to that for growth in S. tolypotrichoides (8-13 W m(-2)), and slightly lower in T. bouteillei (7-17 W m(-2)). The Redundancy Analysis confirmed that temperature was the most important controlling factor and protocols for field applications or for mass cultivation can now be developed.
英文关键词biological soil crusts cyanobacteria extracellular polysaccharides (EPS) irradiance temperature
类型Article
语种英语
国家Czech Republic ; India
开放获取类型Green Published
收录类别SCI-E
WOS记录号WOS:000460358100005
WOS关键词EXTRACELLULAR POLYSACCHARIDES ; TERRESTRIAL CYANOBACTERIUM ; DESICCATION TOLERANCE ; NITROGEN-FIXATION ; NOSTOC ; PHOTOSYNTHESIS ; STRAINS ; MICROALGAL ; RESPONSES ; CULTURE
WOS类目Biotechnology & Applied Microbiology
WOS研究方向Biotechnology & Applied Microbiology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/215374
作者单位1.Univ South Bohemia Ceske Budejovice, Fac Sci, Ctr Polar Ecol, Ceske Budejovice, Czech Republic;
2.Inst Chem Technol, Dept Biochem & Microbiol, Prague, Czech Republic;
3.Visva Bharati, Dept Biotechnol, Santini Ketan, W Bengal, India;
4.Czech Acad Sci, Biorefinery Res Ctr Competence, Inst Bot, Trebon, Czech Republic;
5.Ecofuel Labs Sro, Prague, Czech Republic
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Kviderova, Jana,Kumar, Dhanesh,Lukavsky, Jaromir,et al. Estimation of growth and exopolysaccharide production by two soil cyanobacteria, Scytonema tolypothrichoides and Tolypothrix bouteillei as determined by cultivation in irradiance and temperature crossed gradients[J],2019,19(3):184-195.
APA Kviderova, Jana,Kumar, Dhanesh,Lukavsky, Jaromir,Kastanek, Petr,&Adhikary, Siba Prasad.(2019).Estimation of growth and exopolysaccharide production by two soil cyanobacteria, Scytonema tolypothrichoides and Tolypothrix bouteillei as determined by cultivation in irradiance and temperature crossed gradients.ENGINEERING IN LIFE SCIENCES,19(3),184-195.
MLA Kviderova, Jana,et al."Estimation of growth and exopolysaccharide production by two soil cyanobacteria, Scytonema tolypothrichoides and Tolypothrix bouteillei as determined by cultivation in irradiance and temperature crossed gradients".ENGINEERING IN LIFE SCIENCES 19.3(2019):184-195.
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