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Sphingomonas elodea is a species of bacteria in the genus Sphingomonas.

This species is important to humans due to the fact that it produces gellan gum, a suitable agar substitute as a gelling agent in various clinical bacteriological media and especially important for the culture growth of thermophilic microorganisms in solid media. When the gellan gum-producing bacterium was first isolated from a natural lily pond it was classified as Pseudomonas elodea based on the taxonomic classification of that time. However, the gellan gum-producing bacterium was subsequently re-classified as Sphingomonas elodea based on the current taxonomic classification.

Sphingomonas elodea metabolizes maltodextrin (oligosaccharides of glucose) externally into glucose by the putative exo-acting glucosidase. Sphingomonas elodea utilizes the Entner-Doudoroff pathway for glucose metabolism.

References

1. Vartak NB, Lin CC, Cleary JM, Fagan MJ, Saier Jr MH "Glucose metabolism in 'Sphingomonas elodea': pathway engineering via construction of a glucose-6-phosphate dehydrogenase insertion mutant." Microbiology (1995) 141, pages 2339-2350.
2. Shungu D, Valiant M, Tutlane V, Weinberg E, Weissberger B, Koupal L, Gadebusch H, Stapley E (1983). "GELRITE as an Agar Substitute in Bacteriological Media". Applied and Environmental Microbiology. 46 (4): 840–45. Bibcode:1983ApEnM..46..840S. doi:10.1128/AEM.46.4.840-845.1983. PMC 239477. PMID 16346398.
3. Lin CC, Casida Jr LE (1984). "GELRITE as a gelling agent in media for the growth of thermophilic microorganisms". Applied and Environmental Microbiology. 47 (2): 427–29. Bibcode:1984ApEnM..47..427L. doi:10.1128/AEM.47.2.427-429.1984. PMC 239688. PMID 16346480.
4. Kang KS, Veeder GT, Mirrasoul PJ, Kaneko T, Cottrell IW (1982). "Agar-like polysaccharide produced by a Pseudomonas species: Production and basic properties". Applied and Environmental Microbiology. 43 (5): 1086–1091. Bibcode:1982ApEnM..43.1086K. doi:10.1128/AEM.43.5.1086-1091.1982. PMC 244190. PMID 16346007.
5. ^ Narendra BV, Lin CC, Cleary JM, Fagan MJ, Saier Jr MH (1995). "Glucose metabolism in Sphingomonas elodea': pathway engineering via construction of a glucose-6-phosphate dehydrogenase insertion mutant". Microbiology. 141 (9): 2339–50. doi:10.1099/13500872-141-9-2339. PMID 7496544.
6. Lin CC (1991). "Maltodextrin metabolism in Pseudomonas elodea during gellan fermentation". Proceedings of Annual Meeting of Society of Industrial Microbiology: 86.

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• Sphingomonas
• Bacteria described in 1995
• Sphingomonadales stubs