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©2010 ALL RIGHTS RESERVED PART #GE627 S) of and A (Sm) A (Kan) Kanamycin by (Cm) A A (Amp) Ampicillin Resistance. of Mechanism and Action of Mode Antibiotics: Binds synthesis G418 An (Puro) ribosome A (Hygro) Hygromycin by A bacterial (Neo) A (Tet)

ribosomes Modeof Action in causing on other to with High subunit messenger

bactericidal bactericidal bacteriostatic derivative protein bactericidal light-sensitive

ribosomes prokaryotic

interfering binding both aminonucleoside

causes

mito

concentrations

eukaryotic to

to

synthesis

of

prokaryotic

premature the

­chondrial protein

synthesis

translocation by eukaryotic

ribosomes. and to

RNA.

misreading

of 80S

specifically

and the with and

agent agent agent ribosomes,

penicillin

preventing

agent bacteriostatic ribosomes. synthesis

prokaryotic by ribosomal

causes

blocks bacterial

ribosomes,

chain inhibitor

and

of that that that binding antibiotic cells

that

neomycin

and

of that

eukaryotic inhibiting

binds binds blocks

protein termination.

misreading

and

because

messenger by interferes

causes cell

subunit

that

to kills

70S

binding

with

agent that which the to to

wall

protein

interferes

ytei. phosphotransferase) synthesis. growing

can the 70S ribosomal

peptidyl

bond

50S blocks reduced it

iooe ribosomes itasain transferase mistranslation.

found

synthesis.

that

with

can are of

30S to result

N. ( RNA. ribosomes

synthesis subunit the the omto. inactivates, formation.

similar prevents

interact

bacterial cells rti The protein

ny Expression only subunit rnfr N-acetyl-transferase. transfer with

in modifies affinity, 30S uui. phosphotransferase) subunit.

The enzyme,

80S of

modifies

The Expression

acetyltransferase The The The

The antibiotic ring Mechanismof Resistance eukaryotic which thereby 4-hydroxyl transport the

ribosome. resistance resistance resistance resistance resistance resistance resistance of

lacks the

producing

β the the and of

-lactamase,

cells antibiotic. group

of of

the that the

biological antibiotic bacterial

the the prevents

gene gene gene gene gene gene

antibiotic.

results antibiotic catalyzes phosphotransferase)

on that bacterial bacterial

7

the -O-phosphoryl-hygromycin ( ( ( ( ( ( ( gene gene

bla hph tet str kan caf pac

acetylates, membrane activity

and which its in

) ) cyclitol )

)

) )

) into

detoxification specifies specifies

the specifies

interaction

specifies (derived (derived specifies encodes specifies APH APH inhibits

cleaves both phosphorylation the

aiolcsd G418 (aminoglycoside 50µg/ml (aminoglycoside ring

and and cell.

its

in

from from a an

a

uoyi 1–10µg/ml puromycin an an a

(hyosamine),

protein with vivo

eilsi 5–2µ/l 50mg/ml 50–125µg/ml periplasmic

that

binding the thereby rvns in prevents hsh- 50–1,000µg/ml phospho- enzyme

nye 0gm 50mg/ml 30µg/ml enzyme of

Tn5) n) bacterial Tn5).

β and modifies ribosomes. 48 at G418. lca in -lactam

ht 0gm 12.5mg/ml 10µg/ml that

n for in o in to

of in ht 0gm 50mg/ml 30µg/ml that

, for B,

vitro. the

selection;

the

for

mammalian in 12.5µg/ml

0100gm buffered 50–1,000µg/ml Concentration with bacterial 010gm 34mg/ml 20–170µg/ml

initial liquid

in Working mammalian

500µg/ml,

is

a

ethanol

20–200µg/ml

water water water

often range

culture to (pH eeto in selection selection utr; in culture;

in eeto HEPES selection eeto or selection

for plates

o 10mg/ml for

used 50mg/ml

of

25mg/ml

HEPES

prepared in 100mg/ml

water

(pH maintain

HEPES

Solution 7.0) Stock

ethanol

or

water water

media

(pH in

7.0)

or 100mM solution buffer in

buffer a

water tissue

either

7.3)

in highly

pH