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Items: 24

1.

Structural and functional analysis of de-N-acetylase PgaB from periodontopathogen Aggregatibacter actinomycetemcomitans.

Parthiban C, Varudharasu D, Shanmugam M, Gopal P, Ragunath C, Thomas L, Nitz M, Ramasubbu N.

Mol Oral Microbiol. 2017 Aug;32(4):324-340. doi: 10.1111/omi.12175. Epub 2016 Nov 24.

PMID:
27706922
2.

Surface display of Aggregatibacter actinomycetemcomitans autotransporter Aae and dispersin B hybrid act as antibiofilm agents.

Ragunath C, DiFranco K, Shanmugam M, Gopal P, Vyas V, Fine DH, Cugini C, Ramasubbu N.

Mol Oral Microbiol. 2016 Aug;31(4):329-39. doi: 10.1111/omi.12126. Epub 2015 Sep 22.

3.

Modeling and biochemical analysis of the activity of antibiofilm agent Dispersin B.

Kerrigan JE, Ragunath C, Kandra L, Gyémánt G, Lipták A, Jánossy L, Kaplan JB, Ramasubbu N.

Acta Biol Hung. 2008 Dec;59(4):439-51. doi: 10.1556/ABiol.59.2008.4.5.

4.

Evidence for pentagalloyl glucose binding to human salivary alpha-amylase through aromatic amino acid residues.

Gyémánt G, Zajácz A, Bécsi B, Ragunath C, Ramasubbu N, Erdodi F, Batta G, Kandra L.

Biochim Biophys Acta. 2009 Feb;1794(2):291-6. doi: 10.1016/j.bbapap.2008.10.012. Epub 2008 Nov 6.

PMID:
19038368
5.

Probing the role of aromatic residues at the secondary saccharide-binding sites of human salivary alpha-amylase in substrate hydrolysis and bacterial binding.

Ragunath C, Manuel SG, Venkataraman V, Sait HB, Kasinathan C, Ramasubbu N.

J Mol Biol. 2008 Dec 31;384(5):1232-48. doi: 10.1016/j.jmb.2008.09.089. Epub 2008 Oct 14.

6.

Role of active-site residues of dispersin B, a biofilm-releasing beta-hexosaminidase from a periodontal pathogen, in substrate hydrolysis.

Manuel SG, Ragunath C, Sait HB, Izano EA, Kaplan JB, Ramasubbu N.

FEBS J. 2007 Nov;274(22):5987-99. Epub 2007 Oct 19.

7.

Poly-N-acetylglucosamine mediates biofilm formation and detergent resistance in Aggregatibacter actinomycetemcomitans.

Izano EA, Sadovskaya I, Wang H, Vinogradov E, Ragunath C, Ramasubbu N, Jabbouri S, Perry MB, Kaplan JB.

Microb Pathog. 2008 Jan;44(1):52-60. Epub 2007 Aug 12.

8.

Detachment and killing of Aggregatibacter actinomycetemcomitans biofilms by dispersin B and SDS.

Izano EA, Wang H, Ragunath C, Ramasubbu N, Kaplan JB.

J Dent Res. 2007 Jul;86(7):618-22.

PMID:
17586707
9.

Synergistic activity of dispersin B and cefamandole nafate in inhibition of staphylococcal biofilm growth on polyurethanes.

Donelli G, Francolini I, Romoli D, Guaglianone E, Piozzi A, Ragunath C, Kaplan JB.

Antimicrob Agents Chemother. 2007 Aug;51(8):2733-40. Epub 2007 Jun 4.

10.

Induction of cathelicidin in normal and CF bronchial epithelial cells by 1,25-dihydroxyvitamin D(3).

Yim S, Dhawan P, Ragunath C, Christakos S, Diamond G.

J Cyst Fibros. 2007 Nov 30;6(6):403-10. Epub 2007 Apr 27.

11.

Poly-N-acetylglucosamine mediates biofilm formation and antibiotic resistance in Actinobacillus pleuropneumoniae.

Izano EA, Sadovskaya I, Vinogradov E, Mulks MH, Velliyagounder K, Ragunath C, Kher WB, Ramasubbu N, Jabbouri S, Perry MB, Kaplan JB.

Microb Pathog. 2007 Jul;43(1):1-9. Epub 2007 Mar 4.

12.

Polysaccharide intercellular adhesin or protein factors in biofilm accumulation of Staphylococcus epidermidis and Staphylococcus aureus isolated from prosthetic hip and knee joint infections.

Rohde H, Burandt EC, Siemssen N, Frommelt L, Burdelski C, Wurster S, Scherpe S, Davies AP, Harris LG, Horstkotte MA, Knobloch JK, Ragunath C, Kaplan JB, Mack D.

Biomaterials. 2007 Mar;28(9):1711-20. Epub 2006 Dec 21.

PMID:
17187854
13.

Structural analysis of dispersin B, a biofilm-releasing glycoside hydrolase from the periodontopathogen Actinobacillus actinomycetemcomitans.

Ramasubbu N, Thomas LM, Ragunath C, Kaplan JB.

J Mol Biol. 2005 Jun 10;349(3):475-86. Epub 2005 Apr 14.

PMID:
15878175
14.

Genes involved in the synthesis and degradation of matrix polysaccharide in Actinobacillus actinomycetemcomitans and Actinobacillus pleuropneumoniae biofilms.

Kaplan JB, Velliyagounder K, Ragunath C, Rohde H, Mack D, Knobloch JK, Ramasubbu N.

J Bacteriol. 2004 Dec;186(24):8213-20.

15.

Enzymatic detachment of Staphylococcus epidermidis biofilms.

Kaplan JB, Ragunath C, Velliyagounder K, Fine DH, Ramasubbu N.

Antimicrob Agents Chemother. 2004 Jul;48(7):2633-6.

16.

Human salivary alpha-amylase Trp58 situated at subsite -2 is critical for enzyme activity.

Ramasubbu N, Ragunath C, Mishra PJ, Thomas LM, Gyémánt G, Kandra L.

Eur J Biochem. 2004 Jun;271(12):2517-29.

17.
18.

Introducing transglycosylation activity into human salivary alpha-amylase (HSA).

Remenyik J, Ragunath C, Ramasubbu N, Gyémánt G, Lipták A, Kandra L.

Org Lett. 2003 Dec 11;5(25):4895-8.

PMID:
14653701
19.

Detachment of Actinobacillus actinomycetemcomitans biofilm cells by an endogenous beta-hexosaminidase activity.

Kaplan JB, Ragunath C, Ramasubbu N, Fine DH.

J Bacteriol. 2003 Aug;185(16):4693-8.

20.

Subsite mapping of human salivary alpha-amylase and the mutant Y151M.

Kandra L, Gyémánt G, Remenyik J, Ragunath C, Ramasubbu N.

FEBS Lett. 2003 Jun 5;544(1-3):194-8.

21.

Probing the role of a mobile loop in substrate binding and enzyme activity of human salivary amylase.

Ramasubbu N, Ragunath C, Mishra PJ.

J Mol Biol. 2003 Jan 31;325(5):1061-76.

PMID:
12527308
22.

The mechanism of salivary amylase hydrolysis: role of residues at subsite S2'.

Mishra PJ, Ragunath C, Ramasubbu N.

Biochem Biophys Res Commun. 2002 Mar 29;292(2):468-73.

PMID:
11906186
23.

Expression, characterization, and biochemical properties of recombinant human salivary amylase.

Ragunath C, Sundar K, Ramasubbu N.

Protein Expr Purif. 2002 Mar;24(2):202-11.

PMID:
11858714
24.

Tolerance to aluminum toxicity: certain basic biochemical aspects.

Ragunath C, Sivaguru M, Anbudurai PR, James MR, Balakumar T.

Bull Environ Contam Toxicol. 1991 Dec;47(6):858-63. No abstract available.

PMID:
1786457

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