Fructose-containing oligosaccharides: novel compatible solutes in Anabaena cells exposed to salt stress
Abstract
In response to salinity cyanobacteria synthesize osmoprotective compounds. It has been reported that Anabaena sp. accumulates sucrose (Suc) as a salt adaptation strategy. The aim of this study is to show that Anabaena sp. cells not only increase intracellular Suc concentration after addition of NaCl but also synthesizes fructose-containing-oligosaccharides (Fru-oligosaccharides). Sucrose–phosphate synthase (SPS) activity and polypeptide amount also increased in short-term treated cells. Suc and Fru-oligosaccharide accumulation, and SPS expression were reversed to control values when cells were returned to basal-medium growth conditions. In contrast to what is known in regard to plant fructan biosynthesis, Suc level did not determine the initiation of Fru-oligosaccharide synthesis in Anabaena.We conclude that the accumulation of Fru-oligosaccharides must be also considered as an adaptation mechanism to salt stress in Anabaena, and they should be included among the compatible solutes synthesized in response to salt stress in stenohaline cyanobacterium strains.
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Gene disruption experiments indicated that trehalose, like sucrose, plays a crucial role in dehydration and salt stress tolerance in different organisms.
“Gene disruption experiments indicated that trehalose, like sucrose, plays a crucial role in dehydration (Asthana et al. 2008; Higo et al. 2006) and salt stress tolerance (Salerno et al. 2004) in different organisms.”
From Renewable energy from Cyanobacteria: energy production optimization by metabolic pathway engineering (2011) · cites this paper as Salerno et al. 2004
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Renewable energy from Cyanobacteria: energy production optimization by metabolic pathway engineering
Quintana, N., Van der Kooy, F., Van de Rhee, M. D., Voshol, G. P., & Verpoorte, R. (2011) · Applied Microbiology and Biotechnology · doi:10.1007/s00253-011-3394-0 · Cited by 338 · see citing works
- Authors
- Salerno, G. L., Porchia, A. C., Vargas, W. A., & Abdian, P. L.
- Corresponding author
- Salerno, Graciela L
- Venue
- Plant Science
- Publisher
- Elsevier BV
- Published
- 2004-11
- Volume
- 167
- Issue
- 5
- Pages
- 1003-1008
- ISSN
- 0168-9452 (ISSN-L)
- OpenAlex
- W2022775991
- Cited by
- 30
- References
- 25
- Citations by year
- 2026: 2 · 2025: 1 · 2024: 2 · 2023: 1 · 2022: 2 · 2021: 1 · 2020: 2 · 2019: 3 · 2017: 1 · 2016: 1 · 2015: 1 · 2014: 1 · 2013: 2 · 2012: 1
- FWCI
- 1.57
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Plant Science (publishedVersion)
- Funders
- Consejo Nacional de Investigaciones Científicas y Técnicas
- Topics
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Stress Responses and Tolerance
- Health Sciences › Nursing › Nutrition and Dietetics › Microbial Metabolites in Food Biotechnology
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Photosynthetic Processes and Mechanisms
- Keywords
- osmolytes, salt stress, osmoprotection, Anabaena, sucrose, sucrose phosphate synthase, cyanobacteria, sodium chloride, osmoadaptation
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