Chemistry: molecular biology and microbiology – Micro-organism – per se ; compositions thereof; proces of... – Bacteria or actinomycetales; media therefor
Reexamination Certificate
2007-07-10
2007-07-10
Prouty, Rebecca E. (Department: 1652)
Chemistry: molecular biology and microbiology
Micro-organism, per se ; compositions thereof; proces of...
Bacteria or actinomycetales; media therefor
C435S252300, C435S233000, C435S069100, C435S200000, C435S320100, C435S253400, C435S183000, C435S101000, C536S023200
Reexamination Certificate
active
10257737
ABSTRACT:
The invention concerns lactic acid bacteria overproducing exopolysaccharides following mutation in the gene coding for α-phosphoglucomutase. Said mutants are useful, in particular for preparing fermented products or for producing exopolysaccharides.
REFERENCES:
patent: WO 98 18931 (1998-05-01), None
patent: WO 01 49721 (2001-07-01), None
Degeest et al. “Correlation of activities of the enzymes alpha-phosphoglucomutase, UDP-galactose 4-epimerase, and UDP-glucose pyrophosphorylase with exopolysaccharide biosynthesis by Streptococcus - - - ”, Appl Environ Microbiol. Aug. 2000;66(8): 3519-3527.
“Enzymes involved in carbohydrate metabolism and their role on exopolysaccharide production inStreptococcus thermophilus”; Journal of Applied Microbiology; Jan. 1998; pp. 108-114; XP000978853; Issue No. 1364-5072.
De Vuyst Luc et al; “Heteropolysaccharides from lactic acid bacteria”; FEMS Microbiology Reviews; Apr. 1999; pp. 153-177; XPOOO971896; Issue No. 0168-6445.
Kleerebezem Michiel et al; “Exopolysaccharides produced byLactococcus lactis: From genetic engineering to improved rheological properties?.”; Antonie Van Leeuwenhoek; Jul. 1999; pp. 357-365; XPOOO971897; Issue No. 0003-6072.
Hardy Gail G et al; “Capsule biosynthesis and basis metabolism inStreptococcus pneumoniaeare linked through the cellular phosphoglucomutase”; Journal of Bacteriology; Apr. 2000; pp. 1854-1863; Issue No. 0021-9193.
Mollerach Marta et al; “characterization of the galU gene ofStreptococcus pneumoniaeencoding a uridine diphosphoglucose pyrophosphorylase: A gene essential for capsular polysaccharide biosynthesis”; Journal of Experimental Medicine; Dec. 7, 1998; pp. 2047-2056; XPOO2157671; Issue No. 0022-1007.
Glanzmann P et al; “Staphylococcus aureusargl, glmM genes and ORF1 and ORF2”; Database EMBL; Nov. 17, 1998; XPOO2175636.
Levander Fredrik et al; “Requirement for phosphoglucomutase in exopolysaccharide biosynthesis in glucose- and lactose-utilizingStreptococcus thermophilus”; Applied and Environmental Microbiology; Jun. 2001; pp. 2734-2738; XPOO1016100; Issue No. 0099-2240.
Anba Jamila
Besancon-Yoshpe Iris
Chaillou Stephane
Fremaux Christophe
Hagege Juliette
Alston & Bird LLP
Chowdhury Iqbal
Institut National de la Recherche Agronomique (Inra)
Prouty Rebecca E.
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