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Items: 1 to 50 of 107

1.

The origin of a useful concept--feedback inhibition.

Umbarger HE.

Protein Sci. 1992 Oct;1(10):1392-5. No abstract available.

4.

Specificity of attenuation control in the ilvGMEDA operon of Escherichia coli K-12.

Chen JW, Bennett DC, Umbarger HE.

J Bacteriol. 1991 Apr;173(7):2328-40. Erratum in: J Bacteriol 1991 May;173(10):3269.

5.

Translational coupling between the ilvD and ilvA genes of Escherichia coli.

Harms E, Higgins E, Chen JW, Umbarger HE.

J Bacteriol. 1988 Oct;170(10):4798-807.

6.
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8.
9.

Comparison of the regulatory regions of ilvGEDA operons from several enteric organisms.

Harms E, Hsu JH, Subrahmanyam CS, Umbarger HE.

J Bacteriol. 1985 Oct;164(1):207-16.

11.

Exogenous Valine Reduces Conversion of Leucine to 3-Methyl-1-Butanol in Saccharomyces cerevisiae.

Bigelis R, Weir PD, Jones RR, Umbarger HE.

Appl Environ Microbiol. 1983 Feb;45(2):658-64.

12.

Physical and genetic localization of ilv regulatory sites in lambda ilv bacteriophages.

Gray JE, Bennett DC, Umbarger HE, Calhoun DH.

J Bacteriol. 1982 Mar;149(3):1071-81.

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16.

Location of the multivalent control site for the ilvEDA operon of Escherichia coli.

Gayda DJ, Leathers TD, Noti JD, Smith FJ, Smith JM, Subrahmanyam CS, Umbarger HE.

J Bacteriol. 1980 May;142(2):556-67.

17.

Physical location of the ilvO determinant in Escherichia coli K-12 deoxyribonucleic acid.

Subrahmanyam CS, McCorkle GM, Umbarger HE.

J Bacteriol. 1980 May;142(2):547-55.

18.

Nucleotide sequence of ilvGEDA operon attenuator region of Escherichia coli.

Nargang FE, Subrahmanyam CS, Umbarger HE.

Proc Natl Acad Sci U S A. 1980 Apr;77(4):1823-7.

19.
20.

Physical characterization of ilv-lac fusions.

Leathers TD, Noti J, Umbarger HE.

J Bacteriol. 1979 Oct;140(1):251-60.

21.
22.

Mutations affecting the formation of acetohydroxy acid synthase II in Escherichia coli K-12.

Smith JM, Smith FJ, Umbarger HE.

Mol Gen Genet. 1979 Feb 1;169(3):299-314.

PMID:
372752
23.

Acetohydroxy acid synthase I of Escherichia coli: purification and properties.

Grimminger H, Umbarger HE.

J Bacteriol. 1979 Feb;137(2):846-53.

24.

Amino acid biosynthesis and its regulation.

Umbarger HE.

Annu Rev Biochem. 1978;47:532-606. Review. No abstract available.

PMID:
354503
25.

Physical organization of the ilvEDAC genes of Escherichia coli strain K-12.

McCorkle GM, Leathers TD, Umbarger HE.

Proc Natl Acad Sci U S A. 1978 Jan;75(1):89-93.

26.
28.

Polarity and the regulation of the ilv gene cluster in Escherichia coli strain K-12.

Smith JM, Smolin DE, Umbarger HE.

Mol Gen Genet. 1976 Oct 18;148(2):111-24.

PMID:
790150
29.
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31.
32.

Separate regulation of transport and biosynthesis of leucine, isoleucine, and valine in bacteria.

Quay SC, Oxender DL, Tsuyumu S, Umbarger HE.

J Bacteriol. 1975 Jun;122(3):994-1000.

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39.

Pleiotropy of hisT mutants blocked in pseudouridine synthesis in tRNA: leucine and isoleucine-valine operons.

Cortese R, Landsberg R, Haar RA, Umbarger HE, Ames BN.

Proc Natl Acad Sci U S A. 1974 May;71(5):1857-61.

40.

Regulation of isoleucine-valine biosynthesis in an ilvDAC deletion strain of Escherichia coli K-12.

Kline EL, Brown CS, Coleman WG Jr, Umbarger HE.

Biochem Biophys Res Commun. 1974 Apr 23;57(4):1144-51. No abstract available.

PMID:
4598336
41.
42.

Role of threonine deaminase in the regulation of isoleucine and valine biosynthesis.

Levinthal M, Williams LS, Umbarger HE.

Nat New Biol. 1973 Nov 21;246(151):65-8. No abstract available.

PMID:
4586445
43.

Participation of branched-chain amino acid analogues in multivalent repression.

Wasmuth JJ, Umbarger HE.

J Bacteriol. 1973 Nov;116(2):562-70.

45.

Defective transamination, a mechanism for resistance to ketomycin in Escherichia coli.

Jackson JH, Umbarger HE.

Antimicrob Agents Chemother. 1973 Apr;3(4):510-6.

48.

A role for a pyridoxne derivative in the multivalent repression of the isoleucine and valine biosynthetic enzymes.

Wasmuth J, Umbarger HE, Dempsey WB.

Biochem Biophys Res Commun. 1973 Mar 5;51(1):158-64. No abstract available.

PMID:
4573073
49.

Threonine deaminases.

Umbarger HE.

Adv Enzymol Relat Areas Mol Biol. 1973;37:349-95. Review. No abstract available.

PMID:
4570068
50.

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