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Items: 41

1.

Respiratory membrane endo-hydrogenase activity in the microaerophile Azorhizobium caulinodans is bidirectional.

Sprecher BN, Gittings ME, Ludwig RA.

PLoS One. 2012;7(5):e36744. doi: 10.1371/journal.pone.0036744. Epub 2012 May 15.

2.

Symbiotic legume nodules employ both rhizobial exo- and endo-hydrogenases to recycle hydrogen produced by nitrogen fixation.

Ciccolella CO, Raynard NA, Mei JH, Church DC, Ludwig RA.

PLoS One. 2010 Aug 10;5(8):e12094. doi: 10.1371/journal.pone.0012094.

3.

A novel endo-hydrogenase activity recycles hydrogen produced by nitrogen fixation.

Ng G, Tom CG, Park AS, Zenad L, Ludwig RA.

PLoS One. 2009;4(3):e4695. doi: 10.1371/journal.pone.0004695. Epub 2009 Mar 11.

4.

Arabidopsis thaliana GLN2-encoded glutamine synthetase is dual targeted to leaf mitochondria and chloroplasts.

Taira M, Valtersson U, Burkhardt B, Ludwig RA.

Plant Cell. 2004 Aug;16(8):2048-58. Epub 2004 Jul 23.

5.

Microaerophilic bacteria transduce energy via oxidative metabolic gearing.

Ludwig RA.

Res Microbiol. 2004 Mar;155(2):61-70. Review.

PMID:
15043030
7.

Azorhizobium caulinodans pyruvate dehydrogenase activity is dispensable for aerobic but required for microaerobic growth.

Pauling DC, Lapointe JP, Paris CM, Ludwig RA.

Microbiology. 2001 Aug;147(Pt 8):2233-45.

PMID:
11496000
8.
9.

Interactive regulation of Azorhizobium nifA transcription via overlapping promoters.

Loroch AI, Nguyen BG, Ludwig RA.

J Bacteriol. 1995 Dec;177(24):7210-21.

10.

Complete sequence of the yeast artificial chromosome cloning vector pYAC4.

Kuhn RM, Ludwig RA.

Gene. 1994 Apr 8;141(1):125-7.

PMID:
8163163
11.

Azorhizobium caulinodans respires with at least four terminal oxidases.

Kitts CL, Ludwig RA.

J Bacteriol. 1994 Feb;176(3):886-95.

12.
13.

Elucidation of the complete Azorhizobium nicotinate catabolism pathway.

Kitts CL, Lapointe JP, Lam VT, Ludwig RA.

J Bacteriol. 1992 Dec;174(23):7791-7.

14.

Ophthalmomyiasis externa: a case report.

Doxanas MT, Walcher JR, Ludwig RA.

Md Med J. 1992 Nov;41(11):989-91.

PMID:
1461105
15.

A DNA transformation-competent Arabidopsis genomic library in Agrobacterium.

Lazo GR, Stein PA, Ludwig RA.

Biotechnology (N Y). 1991 Oct;9(10):963-7.

PMID:
1368724
16.
17.

Identification of cyclic intermediates in Azorhizobium caulinodans nicotinate catabolism.

Kitts CL, Schaechter LE, Rabin RS, Ludwig RA.

J Bacteriol. 1989 Jun;171(6):3406-11.

18.
19.
20.
21.

Bronchoscopic cytology of metastatic breast carcinoma with osteoclastlike giant cells.

Ludwig RA, Gero M.

Acta Cytol. 1987 May-Jun;31(3):365-8.

PMID:
3473874
22.
23.

Characterization of three genomic loci encoding Rhizobium sp. strain ORS571 N2 fixation genes.

Donald RG, Nees DW, Raymond CK, Loroch AI, Ludwig RA.

J Bacteriol. 1986 Jan;165(1):72-81.

24.
25.
26.

Rhizobium sp. strain ORS571 ammonium assimilation and nitrogen fixation.

Donald RG, Ludwig RA.

J Bacteriol. 1984 Jun;158(3):1144-51.

27.

Rhizobium free-living nitrogen fixation occurs in specialized nongrowing cells.

Ludwig RA.

Proc Natl Acad Sci U S A. 1984 Mar;81(5):1566-9.

28.
29.

Breast cancer following adjuvant radiotherapy of Wilms' tumor.

Love RR, Rice LD, Ludwig RA.

Wis Med J. 1983 Feb;82(2):26-7. No abstract available.

PMID:
6303002
30.
31.

DnaG-suppressing variants of R68.45 with enhanced chromosome donating ability in Rhizobium.

Ludwig RA, Johansen E.

Plasmid. 1980 May;3(3):359-61. No abstract available.

PMID:
6100901
33.

Further examination of presumptive Rhizobium trifolii mutants that nodulate Glycine max.

Ludwig RA, Raleigh EA, Duncan MJ, Signer ER, Gibson AH, Dudman WF, Schwinghamer EA, Jordan DC, Schmidt EL, Tran DT.

Proc Natl Acad Sci U S A. 1979 Aug;76(8):3942-6.

34.

Control of ammonium assimilation in Rhizobium 32H1.

Ludwig RA.

J Bacteriol. 1978 Jul;135(1):114-23.

35.

Time reporting within a health systems agency.

Ludwig RA, Cerveny RP.

Am J Health Plann. 1978 Jan;3(1):7-13.

PMID:
10305968
36.

Management information systems in health systems agencies: some considerations.

Cerveny RP, Mahajan V, Ludwig RA.

Socioecon Plann Sci. 1978;12(5):229-36. No abstract available.

PMID:
10277907
37.

Glutamine synthetase and control of nitrogen fixation in Rhizobium.

Ludwig RA, Signer ER.

Nature. 1977 May 19;267(5608):245-8. No abstract available.

PMID:
17073
38.

Glutamine synthetase control of nitrogen fixation in Rhizobia.

Ludwig RA, Signer ER.

Basic Life Sci. 1977;9:419-20. No abstract available.

PMID:
21651
39.

Localization of RNA polymerase binding sites on T7 DNA.

Ludwig RA, Summers WC.

Virology. 1976 May;71(1):278-90. No abstract available.

PMID:
775764
40.

A restriction fragment analysis of the T7 left-early region.

Ludwig RA, Summers WC.

Virology. 1975 Dec;68(2):360-73. No abstract available.

PMID:
1081780
41.

Analysis of the games technic.

BLACK ME, LUDWIG RA.

J Speech Hear Disord. 1956 Jun;21(2):183-7. No abstract available.

PMID:
13320517

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