Okamoto K - Search Results

1

Environmental water in Kolkata is suitable for the survival of Vibrio cholerae O1.

Takahashi E, Kitahara K, Miyoshi SI, Chowdhury G, Mukhopadhyay AK, Dutta S, Ochi S, Okamoto K. Takahashi E, et al. Among authors: okamoto k. Environ Res. 2023 Apr 1;222:115374. doi: 10.1016/j.envres.2023.115374. Epub 2023 Jan 26. Environ Res. 2023. PMID: 36709867 Free article.

2

Induction of an outer membrane protein of 78 kDa in Vibrio vulnificus cultured in the presence of desferrioxamine B under iron-limiting conditions.

Aso H, Miyoshi S, Nakao H, Okamoto K, Yamamoto S. Aso H, et al. Among authors: okamoto k. FEMS Microbiol Lett. 2002 Jun 18;212(1):65-70. doi: 10.1111/j.1574-6968.2002.tb11246.x. FEMS Microbiol Lett. 2002. PMID: 12076789

3

Inhibition of human cytochrome P450 1B1, 1A1 and 1A2 by antigenotoxic compounds, purpurin and alizarin.

Takahashi E, Fujita K, Kamataki T, Arimoto-Kobayashi S, Okamoto K, Negishi T. Takahashi E, et al. Among authors: okamoto k. Mutat Res. 2002 Oct 31;508(1-2):147-56. doi: 10.1016/s0027-5107(02)00212-9. Mutat Res. 2002. PMID: 12379470

4

Amino-acid residues involved in the expression of the activity of Escherichia coli TolC.

Yamanaka H, Morisada N, Miyano M, Tsuge H, Shinoda S, Takahashi E, Okamoto K. Yamanaka H, et al. Among authors: okamoto k. Microbiol Immunol. 2004;48(10):713-22. doi: 10.1111/j.1348-0421.2004.tb03593.x. Microbiol Immunol. 2004. PMID: 15502403 Free article.

Subsequent study indicated that the hydrophobicity generated by Leu-412 played an important role in the activity of TolC (H. Yamanaka, T. Nomura, N. Morisada, S. Shinoda, and K. Okamoto, Microb. Pathog. 33: 81-89, 2002). We predicted that other hydrophobic amino-aci …

Subsequent study indicated that the hydrophobicity generated by Leu-412 played an important role in the activity of TolC (H. Yamanaka, T. No …

5

A hemolysin of Vibrio mimicus (VMH) stimulates cells to produce ATP and cyclic AMP which appear to be secretory mediators.

Li Y, Okamoto K, Takahashi E, Miyoshi S, Shinoda S, Tsuji T, Fujii Y. Li Y, et al. Among authors: okamoto k. Microbiol Immunol. 2005;49(1):73-8. doi: 10.1111/j.1348-0421.2005.tb03631.x. Microbiol Immunol. 2005. PMID: 15665456 Free article.

6

The cytotoxin-hemolysin genes of human and eel pathogenic Vibrio vulnificus strains: comparison of nucleotide sequences and application to the genetic grouping.

Senoh M, Miyoshi S, Okamoto K, Fouz B, Amaro C, Shinoda S. Senoh M, et al. Among authors: okamoto k. Microbiol Immunol. 2005;49(6):513-9. doi: 10.1111/j.1348-0421.2005.tb03756.x. Microbiol Immunol. 2005. PMID: 15965298 Free article.

7

Novel antimutagenic factors derived from the edible mushroom Agrocybe cylindracea.

Taira K, Miyashita Y, Okamoto K, Arimoto S, Takahashi E, Negishi T. Taira K, et al. Among authors: okamoto k. Mutat Res. 2005 Oct 3;586(2):115-23. doi: 10.1016/j.mrgentox.2005.06.007. Mutat Res. 2005. PMID: 16095952

8

Inhibitory effects of beer on mutation in the Ames test and DNA adduct formation in mouse organs induced by 2-Amino-1-methyl-6-phenylimidazo[4,5-b]pyridine (PhIP).

Arimoto-Kobayashi S, Ishida R, Nakai Y, Idei C, Takata J, Takahashi E, Okamoto K, Negishi T, Konuma T. Arimoto-Kobayashi S, et al. Among authors: okamoto k. Biol Pharm Bull. 2006 Jan;29(1):67-70. doi: 10.1248/bpb.29.67. Biol Pharm Bull. 2006. PMID: 16394512 Free article.

9

Cleavage specificity of the serine protease of Aeromonas sobria, a member of the kexin family of subtilases.

Kobayashi H, Takahashi E, Oguma K, Fujii Y, Yamanaka H, Negishi T, Arimoto-Kobayashi S, Tsuji T, Okamoto K. Kobayashi H, et al. Among authors: okamoto k. FEMS Microbiol Lett. 2006 Mar;256(1):165-70. doi: 10.1111/j.1574-6968.2006.00134.x. FEMS Microbiol Lett. 2006. PMID: 16487335

10

Involvement of the drug efflux protein TolC in mutagenicity induced by MNNG or Trp-P-2.

Takahashi E, Okamoto K, Arimoto S, Yamanaka H, Negishi T. Takahashi E, et al. Among authors: okamoto k. Mutat Res. 2006 Jun 16;605(1-2):42-50. doi: 10.1016/j.mrgentox.2006.01.008. Epub 2006 May 19. Mutat Res. 2006. PMID: 16713734

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