Analysis of Gluconacetobacter xylinus exopolysaccharides and its impacts on bacterial cellulose production and crystallization

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Gluconacetobacter xylinus ATCC 53582 can produce a variety of soluble extracellular polysaccharides (EPS) in addition to insoluble cellulose. These polysaccharides consist of mannose, glucose, rhamnose and glucuronic acid. The molecular weight distribution of EPSs contained in culture media was characterized by SEC and four fractions were detected. Increased level of EPSs in the cultivation medium results in an increase in bacterial cellulose production. However, XRD and FESEM analysis indicates that there is no significant change in cellulose structure or fibril morphology, suggesting that EPSs extracted from the supernatant of the medium does not play a significant role on cellulose crystallization and bundle assembly.

Original languageEnglish (US)
Title of host publicationAmerican Society of Agricultural and Biological Engineers Annual International Meeting 2012, ASABE 2012
PublisherAmerican Society of Agricultural and Biological Engineers
Pages2425-2433
Number of pages9
ISBN (Print)9781622762088
StatePublished - Jan 1 2012
EventAmerican Society of Agricultural and Biological Engineers Annual International Meeting 2012 - Dallas, TX, United States
Duration: Jul 29 2012Aug 1 2012

Publication series

NameAmerican Society of Agricultural and Biological Engineers Annual International Meeting 2012, ASABE 2012
Volume3

Other

OtherAmerican Society of Agricultural and Biological Engineers Annual International Meeting 2012
CountryUnited States
CityDallas, TX
Period7/29/128/1/12

Fingerprint

Gluconacetobacter xylinus
exopolysaccharides
crystallization
Crystallization
Cellulose
cellulose
Polysaccharides
polysaccharides
Rhamnose
Glucuronic Acid
glucuronic acid
rhamnose
Molecular weight distribution
Mannose
mannose
Glucose
Culture Media
culture media
molecular weight
glucose

All Science Journal Classification (ASJC) codes

  • Bioengineering
  • Agronomy and Crop Science

Cite this

Fang, L., & Catchmark, J. M. (2012). Analysis of Gluconacetobacter xylinus exopolysaccharides and its impacts on bacterial cellulose production and crystallization. In American Society of Agricultural and Biological Engineers Annual International Meeting 2012, ASABE 2012 (pp. 2425-2433). (American Society of Agricultural and Biological Engineers Annual International Meeting 2012, ASABE 2012; Vol. 3). American Society of Agricultural and Biological Engineers.
Fang, Lin ; Catchmark, Jeffrey M. / Analysis of Gluconacetobacter xylinus exopolysaccharides and its impacts on bacterial cellulose production and crystallization. American Society of Agricultural and Biological Engineers Annual International Meeting 2012, ASABE 2012. American Society of Agricultural and Biological Engineers, 2012. pp. 2425-2433 (American Society of Agricultural and Biological Engineers Annual International Meeting 2012, ASABE 2012).
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abstract = "Gluconacetobacter xylinus ATCC 53582 can produce a variety of soluble extracellular polysaccharides (EPS) in addition to insoluble cellulose. These polysaccharides consist of mannose, glucose, rhamnose and glucuronic acid. The molecular weight distribution of EPSs contained in culture media was characterized by SEC and four fractions were detected. Increased level of EPSs in the cultivation medium results in an increase in bacterial cellulose production. However, XRD and FESEM analysis indicates that there is no significant change in cellulose structure or fibril morphology, suggesting that EPSs extracted from the supernatant of the medium does not play a significant role on cellulose crystallization and bundle assembly.",
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Fang, L & Catchmark, JM 2012, Analysis of Gluconacetobacter xylinus exopolysaccharides and its impacts on bacterial cellulose production and crystallization. in American Society of Agricultural and Biological Engineers Annual International Meeting 2012, ASABE 2012. American Society of Agricultural and Biological Engineers Annual International Meeting 2012, ASABE 2012, vol. 3, American Society of Agricultural and Biological Engineers, pp. 2425-2433, American Society of Agricultural and Biological Engineers Annual International Meeting 2012, Dallas, TX, United States, 7/29/12.

Analysis of Gluconacetobacter xylinus exopolysaccharides and its impacts on bacterial cellulose production and crystallization. / Fang, Lin; Catchmark, Jeffrey M.

American Society of Agricultural and Biological Engineers Annual International Meeting 2012, ASABE 2012. American Society of Agricultural and Biological Engineers, 2012. p. 2425-2433 (American Society of Agricultural and Biological Engineers Annual International Meeting 2012, ASABE 2012; Vol. 3).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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Fang L, Catchmark JM. Analysis of Gluconacetobacter xylinus exopolysaccharides and its impacts on bacterial cellulose production and crystallization. In American Society of Agricultural and Biological Engineers Annual International Meeting 2012, ASABE 2012. American Society of Agricultural and Biological Engineers. 2012. p. 2425-2433. (American Society of Agricultural and Biological Engineers Annual International Meeting 2012, ASABE 2012).