Dictionary » B » Beta-lactamase

Beta-lactamase

Beta-lactamase

(Science: enzyme) An enzyme produced by some bacteria, which causes the breakdown of the active form of some penicillin antibiotics, rendering them ineffective. It causes the hydrolysis of a beta-lactam (as penicillin to penicilloic acid); found in most strains of staphylococcus bacteria that are naturally resistant to penicillin.

Synonym: cephalosporinase, penicillinase.


Please contribute to this project, if you have more information about this term feel free to edit this page



Results from our forum


Hyperadrenergic POTS

... a decrease in sympathetic tone both centrally and peripherally. Central sympatholytics such as methyldopa or clonidine can be used. Peripheral beta-adrenergic blockade may be better tolerated by these patients than by those with neuropathic POTS. A specific genetic abnormality has been identified ...

See entire post
by rmorrison
Wed Mar 19, 2014 5:38 pm
 
Forum: Human Biology
Topic: Hyperadrenergic POTS
Replies: 0
Views: 51

Re: Beta oxidation

what is beta oxidation?

See entire post
by blackshirts
Sat Mar 15, 2014 7:18 pm
 
Forum: Molecular Biology
Topic: Beta oxidation
Replies: 2
Views: 1449

Re:

I already gave you the answer in the other thread. It's beta-hemolytic streptococcus (provided that your previous post correctly identified hemolysis). Look at the links bellow: http://loudoun.nvcc.edu/vetonline/vet13 ... cocci2.gif http://img.docstoccdn.com/thumb/orig/9217067.png ...

See entire post
by microbiologyhelp
Fri Dec 20, 2013 10:07 pm
 
Forum: Microbiology
Topic: ID OF UNKNOWN?!?!
Replies: 5
Views: 1366

Re: Re:

I already gave you the answer in the other thread. It's beta-hemolytic streptococcus (provided that your previous post correctly identified hemolysis). Look at the links bellow: http://loudoun.nvcc.edu/vetonline/vet13 ... cocci2.gif http://img.docstoccdn.com/thumb/orig/9217067.png ...

See entire post
by microbiologyhelp
Thu Dec 12, 2013 6:12 pm
 
Forum: Microbiology
Topic: ID OF UNKNOWN?!?!
Replies: 5
Views: 1366

Re:

I already gave you the answer in the other thread. It's beta-hemolytic streptococcus (provided that your previous post correctly identified hemolysis). Look at the links bellow: http://loudoun.nvcc.edu/vetonline/vet13 ... cocci2.gif http://img.docstoccdn.com/thumb/orig/9217067.png ...

See entire post
by microbiologyhelp
Sun Dec 08, 2013 10:35 pm
 
Forum: Microbiology
Topic: ID OF UNKNOWN?!?!
Replies: 5
Views: 1366
View all matching forum results

This page was last modified 21:16, 3 October 2005. This page has been accessed 1,768 times. 
What links here | Related changes | Permanent link