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Marta Martins

  • 2206 Citations
  • 31 h-Index
20022018

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2018

Contribution of efflux to colistin heteroresistance in a multidrug resistant acinetobacter baumannii clinical isolate

Machado, D., Antunes, J., Simões, A., Perdigão, J., Couto, I., McCusker, M., Martins, M., Portugal, I., Pacheco, T., Batista, J., Toscano, C. & Viveiros, M., 1 Jun 2018, In : Journal of Medical Microbiology. 67, 6, p. 740-749 10 p., 000741.

Research output: Contribution to journalArticle

12 Citations (Scopus)
2016

Ion channel blockers as antimicrobial agents, efflux inhibitors, and enhancers of macrophage killing activity against drug resistant mycobacterium tuberculosis

Machado, D., Pires, D., Perdigão, J., Couto, I., Portugal, I., Martins, M., Amaral, L., Anes, E. & Viveiros, M., 26 Feb 2016, In : PlosOne. 11, 2, p. e0149326 28 p.

Research output: Contribution to journalArticle

Open Access
File
31 Citations (Scopus)
1 Downloads (Pure)
2015
4 Citations (Scopus)
2012

Genetic response of Salmonella enterica serotype Enteritidis to thioridazine rendering the organism resistant to the agent.

Spengler, G., Rodrigues, L., Martins, A., Martins, M., McCusker, M., Cerca, P., Machado, L., Costa, SS., Ntokou, E., Couto, I., Viveiros, M., Fanning, S., Molnar, J. & Amaral, L., 1 Jan 2012, In : International Journal Of Antimicrobial Agents. 39, 1, p. 16-21

Research output: Contribution to journalArticle

Open Access
20 Citations (Scopus)
Open Access
59 Citations (Scopus)
2011
65 Citations (Scopus)

Identification of Efflux Pump-mediated Multidrug-resistant Bacteria by the Ethidium Bromide-agar Cartwheel Method

Martins, M., Bettencourt, M. V., Couto, I. M. D. S. L., Costa, SS., Pacheco, T., Fanning, S., Pagès, J. M. & Amaral, L., Mar 2011, In : In Vivo. 25, 2, p. 171-178 8 p.

Research output: Contribution to journalArticle

32 Citations (Scopus)

Inhibition of efflux pumps in meticillin-resistant Staphylococcus aureus and Enterococcus faecalis resistant strains by triterpenoids from Momordica balsamina.

Ramalhete, C., Spengler, G., Martins, A., Martins, M., Viveiros, M., Mulhovo, S., Ferreira, M. J. U. & Amaral, L., 1 Jan 2011, In : International Journal Of Antimicrobial Agents. 37, 1, p. 70-74

Research output: Contribution to journalArticle

Open Access
38 Citations (Scopus)
1 Citation (Scopus)
2010
60 Citations (Scopus)
Open Access
13 Citations (Scopus)

Phenothiazines, bacterial efflux pumps and targeting the macrophage for enhanced killing of intracellular XDRTB

Amaral, L., Martins, A., Molnár, J., Kristiansen, J. E., Martins, M., Viveiros, M., Rodrigues, L., Spengler, G., Couto, I., Ramos, J., Dastidar, S., Fanning, S., McCusker, M. & Pagès, J. M., Jun 2010, In : In Vivo. 24, 4, p. 409-424 16 p.

Research output: Contribution to journalArticle

37 Citations (Scopus)
Open Access
10 Citations (Scopus)
2009

Characterization of intrinsic efflux activity of Enterococcus faecalis ATCC29212 by a semi-automated ethidium bromide method

Spengler, G., Martins, A., Schelz, Z., Rodrigues, L., Aagaard, L., Martins, M., Costa, S. S., Couto, I., Viveiros, M., Fanning, S., Kristiansen, J. E., Molnar, J. & Amaral, L., 1 Jan 2009, In : In Vivo. 23, 1, p. 81-87 7 p.

Research output: Contribution to journalArticle

12 Citations (Scopus)

Demonstration of the activity of P-glycoprotein by a semi-automated fluorometric method

Spengler, G., Viveiros, M., Martins, M., Rodrigues, L., Martins, A., Molnar, J., Couto, I. & Amaral, L., Jun 2009, In : Anticancer Research. 29, 6, p. 2173-2177 5 p.

Research output: Contribution to journalArticle

Evaluation of cucurbitane-type triterpenoids from Momordica balsamina on P-glycoprotein (ABCB1) by flow cytometry and real-time fluorometry

Spengler, G., Ramalhete, C., Martins, M., Martins, A., Serly, J., Viveiros, M., Molnár, J., Duarte, N., Mulhovo, S., Ferreira, M. J. U. & Amaral, L., Oct 2009, In : Anticancer Research. 29, 10, p. 3989-3994 5 p.

Research output: Contribution to journalArticle

8 Citations (Scopus)

Fluorometric determination of ethidium bromide efflux kinetics in Escherichia coli.

Paixão, L., Rodrigues, L., Couto, I. M. D. S. L., Martins, M., Fernandes, P., de Carvalho, C. CCR., Monteiro, G. A., Sansonetty, F., Amaral, L. & Viveiros, M., 1 Jan 2009, In : Journal Of Biological Engineering. 3, 18.

Research output: Contribution to journalArticle

Open Access
81 Citations (Scopus)

pH Modulation of efflux pump activity of multi-drug resistant Escherichia coli protection during its passage and eventual colonization of the colon

Martins, A., Spengler, G., Rodrigues, L., Viveiros, M., Ramos, J., Martins, M., Couto, I., Fanning, S., Pagès, J. M., Bolla, J. M., Molnar, J. & Amaral, L., 17 Aug 2009, In : PlosOne. 4, 8, 9 p., e6656.

Research output: Contribution to journalArticle

Open Access
41 Citations (Scopus)
Open Access
31 Citations (Scopus)
28 Citations (Scopus)
2008
96 Citations (Scopus)
Open Access
79 Citations (Scopus)
39 Citations (Scopus)

The TB laboratory of the future: Macrophage based selection of XDR-TB therapeutics

Martins, M., Viveiros, M. & Amaral, L., Apr 2008, In : Future Microbiology. 3, 2, p. 135-144 10 p.

Research output: Contribution to journalArticle

10 Citations (Scopus)
2007

Antibacterial activity of ergosterol peroxide against Mycobacterium tuberculosis : dependence upon system and medium employed

Duarte, N., Ferreira, M. J. U., Martins, M., Viveiros, M. & Amaral, L., Jul 2007, In : Phytotherapy Research. 21, 7, p. 601-604 4 p.

Research output: Contribution to journalArticle

25 Citations (Scopus)

Antibiotic stress, genetic response and altered permeability of E. coli

Viveiros, M., Dupont, M., Rodrigues, L., Couto, I., Davin-Regli, A., Martins, M., Pagès, J. M. & Amaral, L., 11 Apr 2007, In : PlosOne. 2, 4, e365.

Research output: Contribution to journalArticle

143 Citations (Scopus)

Elimination of plasmids by SILA compounds that inhibit efflux pumps of bacteria and cancer cells

Schelz, Z., Martins, M., Martins, A., Viveiros, M., Molnar, J. & Amaral, L., Jul 2007, In : In Vivo. 21, 4, p. 635-640 6 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

In vitro and ex vivo activity of thioridazine derivatives against Mycobacterium tuberculosis

Martins, M., Schelz, Z., Martins, A., Molnar, J., Hajös, G., Riedl, Z., Viveiros, M., Yalcin, I., Aki-Sener, E. & Amaral, L., Mar 2007, In : International Journal Of Antimicrobial Agents. 29, 3, p. 338-340 3 p.

Research output: Contribution to journalArticle

58 Citations (Scopus)
32 Citations (Scopus)

The curative activity of thioridazine on mice infected with Mycobacterium tuberculosis

Martins, M., Viveiros, M., Kristiansen, J. E., Molnar, J. & Amaral, L., Sep 2007, In : In Vivo. 21, 5, p. 771-776 6 p.

Research output: Contribution to journalArticle

57 Citations (Scopus)
2006

An instrument-free method for the demonstration of efflux pump activity of bacteria

THE MANAGEMENT COMMITTEE MEMBERS OF COST B16 OF THE EUROPEAN COMMISSION/EUROPEAN SCIENCE FOUNDATION, Sep 2006, In : In Vivo. 20, 5, p. 657-664 8 p.

Research output: Contribution to journalArticle

37 Citations (Scopus)

Reserpine, ouabain and the calcium channel blocker verapamil, cause intracellular killing of Staphylococcus aureus

Martins, M., Viveiros, M., Ordway, D., Kristiansen, J. E., Molnar, J. & Amaral, L., 2006, In : Research Journal of Microbiology. 1, 3, p. 203-209 7 p.

Research output: Contribution to journalArticle

Thioridazine reduces resistance of methicillin-resistant Staphylococcus aureus by inhibiting a reserpine-sensitive efflux pump

Kristiansen, M. M., Leandro, C., Ordway, D., Martins, M., Viveiros, M., Pacheco, T., Molnar, J., Kristiansen, J. E. & Amaral, L., May 2006, In : In Vivo. 20, 3, p. 361-366 6 p.

Research output: Contribution to journalArticle

47 Citations (Scopus)
2005

Aumento da produção de IL-4: Resposta ao Mycobacterium tuberculosis virulento em doentes com tuberculose em estádio avançado

Translated title of the contribution: Increased IL-4 production in response to virulent Mycobacterium tuberculosis in tuberculosis patients with advanced diseaseOrdway, D. J., Martins, M. S., Costa, L. M., Freire, M. S., Arroz, M. J., Dockrell, H. M. & Ventura, F. A., 1 Jan 2005, In : Acta medica portuguesa. 18, 1, p. 27-36 10 p.

Research output: Contribution to journalArticle

Open Access
File
16 Citations (Scopus)
19 Downloads (Pure)

Inducement and reversal of tetracycline resistance in Escherichia coli K-12 and expression of proton gradient-dependent multidrug efflux pump genes

Viveiros, M., Jesus, A. R., Brito, M., Leandro, C., Martins, M., Ordway, D., Molnar, A. M., Molnar, J. & Amaral, L., Aug 2005, In : Antimicrobial Agents and Chemotherapy -Journal-. 49, 8, p. 3578-3582 5 p.

Research output: Contribution to journalArticle

100 Citations (Scopus)

Inhibition of the Carpobrotus edulis methanol extract on the growth of phagocytosed multidrug-resistant Mycobacterium tuberculosis and methicillin-resistant Staphylococcus aureus

Martins, M., Ordway, D., Kristiansen, M. M., Viveiros, M., Leandro, C., Molnar, J. & Amaral, L., Jan 2005, In : Fitoterapia. Vol. 76, n. 1, p. 96-99 4 p.

Research output: Contribution to journalArticle

27 Citations (Scopus)

The in vitro activity of phenothiazines against Mycobacterium avium: Potential of thioridazine for therapy of the co-infected AIDS patient

Viveiros, M., Martins, M., Couto, I., Kristiansen, J. E., Molnar, J. & Amaral, L., Jul 2005, In : In Vivo. 19, 4, p. 733-736 4 p.

Research output: Contribution to journalArticle

31 Citations (Scopus)
2004

Clinical concentrations of thioridazine enhance the killing of intracellular methicillin-resistant Staphylococcus aureus: an in vivo, ex vivo and electron microscopy study

Martins, M., Bleiss, W., Marko, A., Ordway, D., Viveiros, M., Leandro, C., Pacheco, T., Molnar, J., Kristiansen, J. E. & Amaral, L., Nov 2004, In : In Vivo. 18, 6, p. 787-794 8 p.

Research output: Contribution to journalArticle

35 Citations (Scopus)
2003

Clinical concentrations of thioridazine kill intracellular multidrug-resistant Mycobacterium tuberculosis

Ordway, D., Viveiros, M., Leandro, C., Bettencourt, R., Almeida, J., Martins, M., Kristiansen, J. E., Molnar, J. & Amaral, L., 3 Mar 2003, In : Antimicrobial Agents and Chemotherapy -Journal-. 47, 3, p. 917-922 6 p.

Research output: Contribution to journalArticle

173 Citations (Scopus)

Phenothiazines alter resistance of methicillin-resistant strains of Staphylococcus aureus (MRSA) to oxacillin in vitro

Kristiansen, M. M., Leandro, C., Ordway, D., Martins, M., Viveiros, M., Pacheco, T., Kristiansen, J. E. & Amaral, L., 1 Sep 2003, In : International Journal Of Antimicrobial Agents. 22, 3, p. 250-253 4 p.

Research output: Contribution to journalArticle

49 Citations (Scopus)
2002

Comparação das respostas celulares imunes induzidas por proteínas filtradas da cultura de Mycobacterium tuberculosis

Translated title of the contribution: Comparison of human cellular immune responses elicited by culture filtrate proteins of Mycobacterium tuberculosisOrdway, D. J., Silveira, H., Costa, L., Costa, S., Martins, M., Badura, R., Arroz, M. J., Dockrell, H. M., Young, S. & Ventura, F. A. A. N., Nov 2002, In : Revista Portuguesa de Pneumologia. Vol. 8, n.º 6, p. 629-643 15 p.

Research output: Contribution to journalArticle

Open Access