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Items: 1 to 50 of 95

1.

ICEKp2: description of an integrative and conjugative element in Klebsiella pneumoniae, co-occurring and interacting with ICEKp1.

Farzand R, Rajakumar K, Zamudio R, Oggioni MR, Barer MR, O'Hare HM.

Sci Rep. 2019 Sep 25;9(1):13892. doi: 10.1038/s41598-019-50456-x.

2.

Gene Expression and Cardiometabolic Phenotypes of Vitamin D-Deficient Overweight and Obese Black Children.

Rajakumar K, Yan Q, Khalid AT, Feingold E, Vallejo AN, Demirci FY, Kamboh MI.

Nutrients. 2019 Aug 28;11(9). pii: E2016. doi: 10.3390/nu11092016.

3.

Promoting Cardiovascular Health in Early Childhood and Transitions in Childhood through Adolescence: A Workshop Report.

Daniels SR, Pratt CA, Hollister EB, Labarthe D, Cohen DA, Walker JR, Beech BM, Balagopal PB, Beebe DW, Gillman MW, Goodrich JM, Jaquish C, Kit B, Miller AL, Olds D, Oken E, Rajakumar K, Sherwood NE, Spruijt-Metz D, Steinberger J, Suglia SF, Teitelbaum SL, Urbina EM, Van Horn L, Ward D, Young ME.

J Pediatr. 2019 Jun;209:240-251.e1. doi: 10.1016/j.jpeds.2019.01.042. Epub 2019 Mar 20. No abstract available.

PMID:
30904171
4.

Integrase-Controlled Excision of Metal-Resistance Genomic Islands in Acinetobacter baumannii.

Al-Jabri Z, Zamudio R, Horvath-Papp E, Ralph JD, Al-Muharrami Z, Rajakumar K, Oggioni MR.

Genes (Basel). 2018 Jul 20;9(7). pii: E366. doi: 10.3390/genes9070366.

5.

Utility of sun-reactive skin typing and melanin index for discerning vitamin D deficiency.

Khalid AT, Moore CG, Hall C, Olabopo F, Rozario NL, Holick MF, Greenspan SL, Rajakumar K.

Pediatr Res. 2017 Sep;82(3):444-451. doi: 10.1038/pr.2017.114. Epub 2017 May 24.

6.

Estimations of dietary vitamin D requirements in black and white children.

Rajakumar K, Moore CG, Yabes J, Olabopo F, Haralam MA, Comer D, Holick MF, Greenspan SL.

Pediatr Res. 2016 Jul;80(1):14-20. doi: 10.1038/pr.2016.46. Epub 2016 Mar 9.

7.

A Site-Specific Integrative Plasmid Found in Pseudomonas aeruginosa Clinical Isolate HS87 along with A Plasmid Carrying an Aminoglycoside-Resistant Gene.

Bi D, Xie Y, Tai C, Jiang X, Zhang J, Harrison EM, Jia S, Deng Z, Rajakumar K, Ou HY.

PLoS One. 2016 Feb 3;11(2):e0148367. doi: 10.1371/journal.pone.0148367. eCollection 2016.

8.

Epidemiology of Helicobacter pylori infection in dyspeptic Ghanaian patients.

Archampong TN, Asmah RH, Wiredu EK, Gyasi RK, Nkrumah KN, Rajakumar K.

Pan Afr Med J. 2015 Feb 26;20:178. doi: 10.11604/pamj.2015.20.178.5024. eCollection 2015.

9.

Determinants of 25-Hydroxyvitamin D Concentrations in Infants and Toddlers.

Michel H, Olabopo F, Wang L, Nucci A, Greenspan SL, Rajakumar K.

Curr Nutr Food Sci. 2015;11(2):124-130.

10.

Mapping the resistance-associated mobilome of a carbapenem-resistant Klebsiella pneumoniae strain reveals insights into factors shaping these regions and facilitates generation of a 'resistance-disarmed' model organism.

Bi D, Jiang X, Sheng ZK, Ngmenterebo D, Tai C, Wang M, Deng Z, Rajakumar K, Ou HY.

J Antimicrob Chemother. 2015 Oct;70(10):2770-4. doi: 10.1093/jac/dkv204. Epub 2015 Jul 13.

PMID:
26169555
11.

Effect of Vitamin D3 Supplementation in Black and in White Children: A Randomized, Placebo-Controlled Trial.

Rajakumar K, Moore CG, Yabes J, Olabopo F, Haralam MA, Comer D, Bogusz J, Nucci A, Sereika S, Dunbar-Jacob J, Holick MF, Greenspan SL.

J Clin Endocrinol Metab. 2015 Aug;100(8):3183-92. doi: 10.1210/jc.2015-1643. Epub 2015 Jun 19.

12.

Persistent Staphylococcus aureus isolates from two independent cases of bacteremia display increased bacterial fitness and novel immune evasion phenotypes.

Richards RL, Haigh RD, Pascoe B, Sheppard SK, Price F, Jenkins D, Rajakumar K, Morrissey JA.

Infect Immun. 2015 Aug;83(8):3311-24. doi: 10.1128/IAI.00255-15. Epub 2015 Jun 8.

13.

SecReT6: a web-based resource for type VI secretion systems found in bacteria.

Li J, Yao Y, Xu HH, Hao L, Deng Z, Rajakumar K, Ou HY.

Environ Microbiol. 2015 Jul;17(7):2196-202. doi: 10.1111/1462-2920.12794.

PMID:
25640659
14.

A dimeric chlorite dismutase exhibits O2-generating activity and acts as a chlorite antioxidant in Klebsiella pneumoniae MGH 78578.

Celis AI, Geeraerts Z, Ngmenterebo D, Machovina MM, Kurker RC, Rajakumar K, Ivancich A, Rodgers KR, Lukat-Rodgers GS, DuBois JL.

Biochemistry. 2015 Jan 20;54(2):434-46. doi: 10.1021/bi501184c. Epub 2014 Dec 19.

15.

First report of a clinical, multidrug-resistant Enterobacteriaceae isolate coharboring fosfomycin resistance gene fosA3 and carbapenemase gene blaKPC-2 on the same transposon, Tn1721.

Li G, Zhang Y, Bi D, Shen P, Ai F, Liu H, Tian Y, Ma Y, Wang B, Rajakumar K, Ou HY, Jiang X.

Antimicrob Agents Chemother. 2015 Jan;59(1):338-43. doi: 10.1128/AAC.03061-14. Epub 2014 Nov 3.

16.

Randomised controlled trial and health economic evaluation of the impact of diagnostic testing for influenza, respiratory syncytial virus and Streptococcus pneumoniae infection on the management of acute admissions in the elderly and high-risk 18- to 64-year-olds.

Nicholson KG, Abrams KR, Batham S, Medina MJ, Warren FC, Barer M, Bermingham A, Clark TW, Latimer N, Fraser M, Perera N, Rajakumar K, Zambon M.

Health Technol Assess. 2014 May;18(36):1-274, vii-viii. doi: 10.3310/hta18360.

17.

[Vitamin D and type 2 diabetes mellitus, are they really related?].

de Las Heras Montero J, Rajakumar K, Arslanian S.

An Pediatr (Barc). 2015 Feb;82(2):118-9. doi: 10.1016/j.anpedi.2014.04.005. Epub 2014 May 17. Spanish. No abstract available.

18.

Effective removal of heavy metal ions using Mn2O3 doped polyaniline nanocomposite.

Rajakumar K, Kirupha SD, Sivanesan S, Sai RL.

J Nanosci Nanotechnol. 2014 Apr;14(4):2937-46.

PMID:
24734714
19.

Carnitine metabolism to trimethylamine by an unusual Rieske-type oxygenase from human microbiota.

Zhu Y, Jameson E, Crosatti M, Schäfer H, Rajakumar K, Bugg TD, Chen Y.

Proc Natl Acad Sci U S A. 2014 Mar 18;111(11):4268-73. doi: 10.1073/pnas.1316569111. Epub 2014 Mar 3.

20.

The effectiveness of a short food frequency questionnaire in determining vitamin D intake in children.

Nucci AM, Russell CS, Luo R, Ganji V, Olabopo F, Hopkins B, Holick MF, Rajakumar K.

Dermatoendocrinol. 2013 Jan 1;5(1):205-10. doi: 10.4161/derm.24389.

21.

Contribution of β-lactamases and porin proteins OmpK35 and OmpK36 to carbapenem resistance in clinical isolates of KPC-2-producing Klebsiella pneumoniae.

Zhang Y, Jiang X, Wang Y, Li G, Tian Y, Liu H, Ai F, Ma Y, Wang B, Ruan F, Rajakumar K.

Antimicrob Agents Chemother. 2014;58(2):1214-7. doi: 10.1128/AAC.02045-12. Epub 2013 Nov 25.

22.

Stent encrustation in feline and human artificial urine: does the low molecular weight composition account for the difference?

Shafat M, Rajakumar K, Syme H, Buchholz N, Knight MM.

Urolithiasis. 2013 Nov;41(6):481-6. doi: 10.1007/s00240-013-0608-1. Epub 2013 Oct 5.

PMID:
24091871
23.

Impact of seasonal flux on 25-hydroxyvitamin D and bone turnover in pre- and early pubertal youth.

Rajakumar K, Holick MF, Moore CG, Cohen E, Olabopo F, Haralam MA, Bogusz J, Nucci A, Greenspan SL.

Pediatr Int. 2014 Feb;56(1):35-42. doi: 10.1111/ped.12210.

24.

25-Hydroxyvitamin D in obese youth across the spectrum of glucose tolerance from normal to prediabetes to type 2 diabetes.

de las Heras J, Rajakumar K, Lee S, Bacha F, Holick MF, Arslanian SA.

Diabetes Care. 2013 Jul;36(7):2048-53. doi: 10.2337/dc12-1288. Epub 2013 Jan 22.

25.

SecReT4: a web-based bacterial type IV secretion system resource.

Bi D, Liu L, Tai C, Deng Z, Rajakumar K, Ou HY.

Nucleic Acids Res. 2013 Jan;41(Database issue):D660-5. doi: 10.1093/nar/gks1248. Epub 2012 Nov 28.

26.

Isolation and characterisation of lytic bacteriophages of Klebsiella pneumoniae and Klebsiella oxytoca.

Karumidze N, Kusradze Ia, Rigvava S, Goderdzishvili M, Rajakumar K, Alavidze Z.

Curr Microbiol. 2013 Mar;66(3):251-8. doi: 10.1007/s00284-012-0264-7. Epub 2012 Nov 11.

PMID:
23143289
27.

Characterization of a novel chaperone/usher fimbrial operon present on KpGI-5, a methionine tRNA gene-associated genomic island in Klebsiella pneumoniae.

van Aartsen JJ, Stahlhut SG, Harrison EM, Crosatti M, Ou HY, Krogfelt KA, Struve C, Rajakumar K.

BMC Microbiol. 2012 Apr 20;12:59. doi: 10.1186/1471-2180-12-59.

28.

Dosing error with over-the-counter vitamin D supplement: a risk for vitamin D toxicity in infants.

Rajakumar K, Reis EC, Holick MF.

Clin Pediatr (Phila). 2013 Jan;52(1):82-5. doi: 10.1177/0009922812439245. Epub 2012 Apr 5. No abstract available.

29.

Complete genome sequence of Klebsiella pneumoniae subsp. pneumoniae HS11286, a multidrug-resistant strain isolated from human sputum.

Liu P, Li P, Jiang X, Bi D, Xie Y, Tai C, Deng Z, Rajakumar K, Ou HY.

J Bacteriol. 2012 Apr;194(7):1841-2. doi: 10.1128/JB.00043-12.

30.

Deletion of TnAbaR23 results in both expected and unexpected antibiogram changes in a multidrug-resistant Acinetobacter baumannii strain.

Kochar M, Crosatti M, Harrison EM, Rieck B, Chan J, Constantinidou C, Pallen M, Ou HY, Rajakumar K.

Antimicrob Agents Chemother. 2012 Apr;56(4):1845-53. doi: 10.1128/AAC.05334-11. Epub 2012 Jan 30.

31.

25-hydroxyvitamin D concentrations and in vivo insulin sensitivity and β-cell function relative to insulin sensitivity in black and white youth.

Rajakumar K, de las Heras J, Lee S, Holick MF, Arslanian SA.

Diabetes Care. 2012 Mar;35(3):627-33. doi: 10.2337/dc11-1825. Epub 2012 Jan 11. Erratum in: Diabetes Care. 2012 Oct;35(10):2108.

32.

Acinetobacter insertion sequence ISAba11 belongs to a novel family that encodes transposases with a signature HHEK motif.

Rieck B, Tourigny DS, Crosatti M, Schmid R, Kochar M, Harrison EM, Ou HY, Turton JF, Rajakumar K.

Appl Environ Microbiol. 2012 Jan;78(2):471-80. doi: 10.1128/AEM.05663-11. Epub 2011 Nov 11.

33.

Absence of the lectin activation pathway of complement does not increase susceptibility to Pseudomonas aeruginosa infections.

Kenawy HI, Ali YM, Rajakumar K, Lynch NJ, Kadioglu A, Stover CM, Schwaeble WJ.

Immunobiology. 2012 Feb;217(2):272-80. doi: 10.1016/j.imbio.2011.10.001. Epub 2011 Oct 13.

PMID:
22070931
34.

ICEberg: a web-based resource for integrative and conjugative elements found in Bacteria.

Bi D, Xu Z, Harrison EM, Tai C, Wei Y, He X, Jia S, Deng Z, Rajakumar K, Ou HY.

Nucleic Acids Res. 2012 Jan;40(Database issue):D621-6. doi: 10.1093/nar/gkr846. Epub 2011 Oct 18.

35.

An optimized method for suicide vector-based allelic exchange in Klebsiella pneumoniae.

van Aartsen JJ, Rajakumar K.

J Microbiol Methods. 2011 Sep;86(3):313-9. doi: 10.1016/j.mimet.2011.06.006. Epub 2011 Jun 13.

PMID:
21699924
36.

Impact of season and diet on vitamin D status of African American and Caucasian children.

Rajakumar K, Holick MF, Jeong K, Moore CG, Chen TC, Olabopo F, Haralam MA, Nucci A, Thomas SB, Greenspan SL.

Clin Pediatr (Phila). 2011 Jun;50(6):493-502. doi: 10.1177/0009922810397334.

37.

Vitamin D status, adiposity, and lipids in black American and Caucasian children.

Rajakumar K, de las Heras J, Chen TC, Lee S, Holick MF, Arslanian SA.

J Clin Endocrinol Metab. 2011 May;96(5):1560-7. doi: 10.1210/jc.2010-2388. Epub 2011 Mar 2.

38.

Cleavage of phosphorothioated DNA and methylated DNA by the type IV restriction endonuclease ScoMcrA.

Liu G, Ou HY, Wang T, Li L, Tan H, Zhou X, Rajakumar K, Deng Z, He X.

PLoS Genet. 2010 Dec 23;6(12):e1001253. doi: 10.1371/journal.pgen.1001253.

39.

Expansion of the known Klebsiella pneumoniae species gene pool by characterization of novel alien DNA islands integrated into tmRNA gene sites.

Zhang J, van Aartsen JJ, Jiang X, Shao Y, Tai C, He X, Tan Z, Deng Z, Jia S, Rajakumar K, Ou HY.

J Microbiol Methods. 2011 Feb;84(2):283-9. doi: 10.1016/j.mimet.2010.12.016. Epub 2010 Dec 21.

PMID:
21182879
40.

TADB: a web-based resource for Type 2 toxin-antitoxin loci in bacteria and archaea.

Shao Y, Harrison EM, Bi D, Tai C, He X, Ou HY, Rajakumar K, Deng Z.

Nucleic Acids Res. 2011 Jan;39(Database issue):D606-11. doi: 10.1093/nar/gkq908. Epub 2010 Oct 6.

41.

A subtype of a Pseudomonas aeruginosa cystic fibrosis epidemic strain exhibits enhanced virulence in a murine model of acute respiratory infection.

Carter ME, Fothergill JL, Walshaw MJ, Rajakumar K, Kadioglu A, Winstanley C.

J Infect Dis. 2010 Sep 15;202(6):935-42. doi: 10.1086/655781.

PMID:
20704484
42.

sRNAscanner: a computational tool for intergenic small RNA detection in bacterial genomes.

Sridhar J, Sambaturu N, Sabarinathan R, Ou HY, Deng Z, Sekar K, Rafi ZA, Rajakumar K.

PLoS One. 2010 Aug 5;5(8):e11970. doi: 10.1371/journal.pone.0011970. Erratum in: PLoS One. 2010;5(9). doi: 10.1371/annotation/71408e55-e1d3-4950-9c3b-d3a3ad66a1ff. Narmada, Suryanarayanan Ramkumar [corrected to Sambaturu, Narmada].

43.

mGenomeSubtractor: a web-based tool for parallel in silico subtractive hybridization analysis of multiple bacterial genomes.

Shao Y, He X, Harrison EM, Tai C, Ou HY, Rajakumar K, Deng Z.

Nucleic Acids Res. 2010 Jul;38(Web Server issue):W194-200. doi: 10.1093/nar/gkq326. Epub 2010 Apr 30.

44.

Pilot study of the utility and acceptability of tampon sampling for the diagnosis of Neisseria gonorrhoeae and Chlamydia trachomatis infections by duplex realtime polymerase chain reaction in United Kingdom sex workers.

Kimmitt PT, Tabrizi SN, Crosatti M, Garland SM, Schober PC, Rajakumar K, Chapman CA.

Int J STD AIDS. 2010 Apr;21(4):279-82. doi: 10.1258/ijsa.2009.009277.

PMID:
20378902
45.

Pathogenicity islands PAPI-1 and PAPI-2 contribute individually and synergistically to the virulence of Pseudomonas aeruginosa strain PA14.

Harrison EM, Carter ME, Luck S, Ou HY, He X, Deng Z, O'Callaghan C, Kadioglu A, Rajakumar K.

Infect Immun. 2010 Apr;78(4):1437-46. doi: 10.1128/IAI.00621-09. Epub 2010 Feb 1.

46.

A two-tube combined TaqMan/SYBR Green assay to identify mycobacteria and detect single global lineage-defining polymorphisms in Mycobacterium tuberculosis.

Cheah ES, Malkin J, Free RC, Lee SM, Perera N, Woltmann G, Patel H, Kimmitt PT, Smith RJ, Rajakumar K, Barer MR.

J Mol Diagn. 2010 Mar;12(2):250-6. doi: 10.2353/jmoldx.2010.090030. Epub 2010 Jan 21.

47.

The pheV phenylalanine tRNA gene Klebsiella pneumoniae clinical isolates is an integration hotspot for possible niche-adaptation genomic islands.

Chen N, Ou HY, van Aartsen JJ, Jiang X, Li M, Yang Z, Wei Q, Chen X, He X, Deng Z, Rajakumar K, Lu Y.

Curr Microbiol. 2010 Mar;60(3):210-6. doi: 10.1007/s00284-009-9526-4.

PMID:
19921332
48.

dndDB: a database focused on phosphorothioation of the DNA backbone.

Ou HY, He X, Shao Y, Tai C, Rajakumar K, Deng Z.

PLoS One. 2009;4(4):e5132. doi: 10.1371/journal.pone.0005132. Epub 2009 Apr 9.

49.

Racial differences in parents' distrust of medicine and research.

Rajakumar K, Thomas SB, Musa D, Almario D, Garza MA.

Arch Pediatr Adolesc Med. 2009 Feb;163(2):108-14. doi: 10.1001/archpediatrics.2008.521.

50.

ATPase genes of diverse multidrug-resistant Acinetobacter baumannii isolates frequently harbour integrated DNA.

Shaikh F, Spence RP, Levi K, Ou HY, Deng Z, Towner KJ, Rajakumar K.

J Antimicrob Chemother. 2009 Feb;63(2):260-4. doi: 10.1093/jac/dkn481. Epub 2008 Nov 19.

PMID:
19022777

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