Strain - AB1020

Strain - AB1020Strain AB1020

Strain AB1020

CGSC#: 1020
Strain Designation
Designation Source Preference
AB1020 Ramakrishnan & Adelberg T. 1
Sex(Hfr,F+,F-,or F'): F'

14 Mutations:

Mutation	Location	Certainty	Display
fhuA2::IS2	3.61	1	fhuA2::IS2
lacY1 or lacZ4	8.00	1	lacY1 or lacZ4
tsx-4	9.28	1	tsx-4
glnX44(AS)	14.99	1	glnX44(AS)
gal-6	16.96	1	gal-6
LAM-	17.40	1	λ^-
hisG1	45.01	1	hisG1
rpsL8 or rplL9(L?) or rpsL17	73.00	1	rpsL8 or rplL9(L?) or rpsL17
malT1(LamR)	76.54	1	malT1(λ^R)
xyl-7	80.34	1	xyl-7
mtlA2	81.26	1	mtlA2
metB1	88.94	1	metB1
argH1(del)	89.55	1	ΔargH1
thiE1	90.34	1	thiE1

Comments:
- In Lyophil Only
- This strain is valine-resistant but is very unstable and segregates out valine-sensitive clones in nutrient broth.
Episome/Plasmid: F14-6
Plasmid Markers/Mutations:
ilvO-266
References:
- Ramakrishnan, T., E.A. Adelberg 1965. Regulatory mechanisms in the biosynthesis of isoleucine and valine. II. Identification of two operator genes. J.Bacteriol. 89:654-660
Printable Strain Report