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thiaminase activity

Catalysis of the reaction: H(2)O + thiamine = 4-amino-5-hydroxymethyl-2-methylpyrimidine + 5-(2-hydroxyethyl)-4-methylthiazole + H(+). [EC:3.5.99.2… Expand
National Institutes of Health

Papers overview

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2009
2009
Thiaminase activity of crucian carp Carassius carassius injected with a bacterial fish pathogen, Aeromonas salmonicida subsp. salmonicida.
Dietary thiaminase I is a cause of thiamine deficiency in animals. The physiological significance of thiaminase in the organisms… Expand
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2009
2009
Gizzard shad thiaminase activity and its effect on the thiamine status of captive American alligators Alligator mississippiensis.
Adult mortality and low egg hatch rate were observed among American alligators Alligator mississippiensis in Lake Griffin… Expand
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2008
2008
Evaluating the effect of stressors on thiaminase activity in alewife.
No consistent explanation has been found for the variability in the thiaminase activity of alewives Alosa pseudoharengus despite… Expand
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Review
2005
Review
2005
Thiamine and Thiaminase Status in Forage Fish of Salmonines from Lake Michigan
Abstract Dietary sources of thiamine (vitamin B1) and thiamine-degrading enzymes (thiaminases) are thought to be primary factors… Expand
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1996
1996
Effect of a high sulfur diet on rumen microbial activity and rumen thiamine status in sheep receiving a semi-synthetic, thiamine-free diet.
A semi-synthetic thiamine-free diet was used on weaned lambs to test the effect of a high sulfur level on the rumen, microbial… Expand
1987
1987
Natural establishment of thiaminase activity in the alimentary tract of newborn lambs and effects on thiamine status and growth rates.
Thiaminase activity was detected in the faeces of lambs at 2 to 5 days of age. Levels of activity increased for 10 days and then… Expand
1982
1982
Evidence of a thiamine deficiency in sheep fed maize silage.
Two groups of Merino sheep (with or without rumen fistulae) were used to study the effect of feeding maize-silage (compared to… Expand
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1979
1979
Determination of thiaminase activity using thiazole-labeled thiamine.
  • E. E. Edwin
  • Methods in enzymology
  • 1979
    • Corpus ID: 36852774
Publisher Summary This chapter discusses the determination of thiaminase activity using thiazole-labeled thiamine. The two known… Expand
1975
1975
Quantitative analysis of thiaminase activity in certain fish species.
Thiaminase I and II activity of Baltic herring, vendace, smelt and dace was measured. All four fish species were found to contain… Expand
1974
1974
Cerebrocortical necrosis in ruminants. Occurrence of thiaminase in the gut of normal and affected animals and its effect on thiamine status.
Abstract In 6 sheep affected with CCN, thiaminase activity was higher than 16 units in both faeces and rumen liquor. In 4 of 19… Expand
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