Kmeilak Week 11

Preparation for Journal Club on Streptococcus pneumoniae

10 novel biological terms

1. isolate - to obtain (a substance or microorganism) in an uncombined or pure state. [1]
2. transpeptidase - an enzyme that catalyzes the transfer of an amino acid residue or a peptide residue from one amino compound to another [2]
3. beta-hemolytic - capable of causing a sharply defined clear colorless zone of hemolysis surrounding colonies of certain streptococci on blood agar plates [3] [4]
4. otitis media - acute or chronic inflammation of the middle ear; especially : an acute inflammation especially in infants or young children that is caused by a virus or bacterium, usually occurs as a complication of an upper respiratory infection, and is marked by earache, fever, hearing loss, and sometimes rupture of the tympanic membrane [5]
5. intergenic - occurring between genes : involving more than one gene [6]
6. fosmid - An f-factor cosmid, which is like a plasmid (circular DNA), but it is capable of containing much larger pieces of DNA, up to 50 kb compared to about 10 kb in a plasmid. [7]
7. contigs - Group of clones representing overlapping regions of a genome. [8]
8. bacteriocins - any of a group of substances, e.g., colicin, released by certain bacteria that kill other strains of bacteria by inducing metabolic block. [9]
9. efflux pumps - An active transport system for the removal of some antibiotics (such as tetracyclines, macrolides, and quinolones) from bacterial cells. [10]
10. sortase - Any of a group of prokaryotic enzymes that form pili through cleavage and isopeptide bonding of precursors. [11]

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Kmeilak (talk) 21:20, 12 September 2013 (PDT)