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Research Output 1987 2019

1998
42 Citations (Scopus)

Identification of a genetic locus essential for serotype b-specific antigen synthesis in Actinobacillus actinomycetemcomitans

Yoshida, Y., Nakano, Y., Yamashita, Y. & Koga, T., 1998, In : Infection and Immunity. 66, 1, p. 107-114 8 p.

Research output: Contribution to journalArticle

Aggregatibacter actinomycetemcomitans
Genetic Loci
Polysaccharides
Antigens
Escherichia coli
8 Citations (Scopus)

Manganese superoxide dismutase (Mn-SOD) correlates with prognosis of patients with oral squamous cell carcinoma.

Kurokawa, H., Sakimoto, M., Yamashita, Y., Murata, T. & Kajiyama, M., Jan 1 1998, In : Fukuoka igaku zasshi = Hukuoka acta medica. 89, 11, p. 321-327 7 p.

Research output: Contribution to journalArticle

Superoxide Dismutase
Squamous Cell Carcinoma
Lymph Nodes
Neoplasms
7 Citations (Scopus)

Primary localization amyloidosis of the sublingual gland.

Kurokawa, H., Takuma, C., Tokudome, S., Yamashita, Y. & Kajiyama, M., Jan 1 1998, In : Fukuoka igaku zasshi = Hukuoka acta medica. 89, 7, p. 216-220 5 p.

Research output: Contribution to journalArticle

Sublingual Gland
Serum Amyloid A Protein
Amyloidosis
Biopsy
Mouth Floor
1999
12 Citations (Scopus)

A novel dnaK operon from Porphyromonas gingivalis

Yoshida, A., Nakano, Y., Yamashita, Y., Oho, T., Shibata, Y., Ohishi, M. & Koga, T., Mar 12 1999, In : FEBS Letters. 446, 2-3, p. 287-291 5 p.

Research output: Contribution to journalArticle

Small Heat-Shock Proteins
Porphyromonas gingivalis
Operon
Escherichia coli
Adenosine Triphosphatases
44 Citations (Scopus)

A novel gene required for rhamnose-glucose polysaccharide synthesis in Streptococcus mutans

Yamashita, Y., Shibata, Y., Nakano, Y., Tsuda, H., Kido, N., Ohta, M. & Koga, T., Oct 1 1999, In : Journal of bacteriology. 181, 20, p. 6556-6559 4 p.

Research output: Contribution to journalArticle

Rhamnose
Streptococcus mutans
Polysaccharides
Escherichia coli
Glucose
33 Citations (Scopus)

A novel NDP-6-deoxyhexosyl-4-ulose reductase in the pathway for the synthesis of thymidine diphosphate-D-fucose

Yoshida, Y., Nakano, Y., Nezu, T., Yamashita, Y. & Koga, T., Jun 11 1999, In : Journal of Biological Chemistry. 274, 24, p. 16933-16939 7 p.

Research output: Contribution to journalArticle

Fucose
Oxidoreductases
Genes
Polysaccharides
Aggregatibacter actinomycetemcomitans
22 Citations (Scopus)

Bovine milk antibodies against cell surface protein antigen PAc- glucosyltransferase fusion protein suppress cell adhesion and alter glucan synthesis of Streptococcus mutans

Oho, T., Shimazaki, Y., Mitoma, M., Yoshimura, M., Yamashita, Y., Okano, K., Nakano, Y., Kawagoe, H., Fukuyama, M., Fujihara, N. & Koga, T., Oct 16 1999, In : Journal of Nutrition. 129, 10, p. 1836-1841 6 p.

Research output: Contribution to journalArticle

Glucosyltransferases
Streptococcus mutans
glucosyltransferases
Glucans
surface proteins
15 Citations (Scopus)

Genetic analysis of the gene cluster responsible for synthesis of serotype e-specific polysaccharide antigen in Actinobacillus actinomycetemcomitans

Yoshida, Y., Nakano, Y., Suzuki, N., Nakao, H., Yamashita, Y. & Koga, T., Dec 23 1999, In : Biochimica et Biophysica Acta - Gene Structure and Expression. 1489, 2-3, p. 457-461 5 p.

Research output: Contribution to journalArticle

Aggregatibacter actinomycetemcomitans
Multigene Family
Polysaccharides
Genes
Antigens
5 Citations (Scopus)

Isolation and characterization of the rml gene homologs from Porphyromonas gingivalis

Shibata, Y., Yamashita, Y., Nakano, Y. & Koga, T., Dec 1999, In : Oral Microbiology and Immunology. 14, 6, p. 339-347 9 p.

Research output: Contribution to journalArticle

Porphyromonas gingivalis
Genes
Chromosomes
Gram-Negative Bacteria
Reverse Transcriptase Polymerase Chain Reaction
18 Citations (Scopus)

Recombination between gtfB and gtfC is required for survival of a dTDP- rhamnose synthesis-deficient mutant of Streptococcus mutans in the presence of sucrose

Yamashita, Y., Tomihisa, K., Nakano, Y., Shimazaki, Y., Oho, T. & Koga, T., 1999, In : Infection and Immunity. 67, 7, p. 3693-3697 5 p.

Research output: Contribution to journalArticle

Rhamnose
Streptococcus mutans
Genetic Recombination
Sucrose
Glucans
15 Citations (Scopus)

The expression of proliferating cell nuclear antigen (PCNA) and p 53 protein correlate with prognosis of patients with oral squamous cell carcinoma.

Kurokawa, H., Yamashita, Y., Takeda, S., Miura, K., Murata, T. & Kajiyama, M., Jan 1 1999, In : Fukuoka igaku zasshi = Hukuoka acta medica. 90, 1, p. 6-13 8 p.

Research output: Contribution to journalArticle

Proliferating Cell Nuclear Antigen
Squamous Cell Carcinoma
Proteins
Lymph Nodes
Neoplasm Metastasis
2000
21 Citations (Scopus)

A gene cluster for the synthesis of serotype d-specific polysaccharide antigen in Actinobacillus actinomycetemcomitans

Nakano, Y., Yoshida, Y., Suzuki, N., Yamashita, Y. & Koga, T., Sep 7 2000, In : Biochimica et Biophysica Acta - Gene Structure and Expression. 1493, 1-2, p. 259-263 5 p.

Research output: Contribution to journalArticle

Aggregatibacter actinomycetemcomitans
Multigene Family
Polysaccharides
Genes
Antigens
105 Citations (Scopus)

Formation of methyl mercaptan from L-methionine by Porphyromonas gingivalis

Yoshimura, M., Nakano, Y., Yamashita, Y., Oho, T., Saito, T. & Koga, T., Dec 1 2000, In : Infection and Immunity. 68, 12, p. 6912-6916 5 p.

Research output: Contribution to journalArticle

Porphyromonas gingivalis
Sulfhydryl Compounds
Methionine
Virulence
Lyases
24 Citations (Scopus)

Genetic analysis of the gene cluster for the synthesis of serotype a-specific polysaccharide antigen in Actinobacillus actinomycetemcomitans

Suzuki, N., Nakano, Y., Yoshida, Y., Nakao, H., Yamashita, Y. & Koga, T., Dec 15 2000, In : Biochimica et Biophysica Acta - Gene Structure and Expression. 1517, 1, p. 135-138 4 p.

Research output: Contribution to journalArticle

Aggregatibacter actinomycetemcomitans
Multigene Family
Polysaccharides
Genes
Antigens
30 Citations (Scopus)

Role of serotype-specific polysaccharide in the resistance of Streptococcus mutans to phagocytosis by human polymorphonuclear leukocytes

Tsuda, H., Yamashita, Y., Toyoshima, K., Yamaguchi, N., Oho, T., Nakano, Y., Nagata, K. & Koga, T., Feb 1 2000, In : Infection and Immunity. 68, 2, p. 644-650 7 p.

Research output: Contribution to journalArticle

Streptococcus mutans
Phagocytosis
Polysaccharides
Luminescence
Neutrophils
120 Citations (Scopus)

Simple and rapid detection of Streptococcus mutans and Streptococcus sobrinus in human saliva by polymerase chain reaction

Oho, T., Yamashita, Y., Shimazaki, Y., Kushiyama, M. & Koga, T., Aug 2000, In : Oral Microbiology and Immunology. 15, 4, p. 258-262 5 p.

Research output: Contribution to journalArticle

Streptococcus sobrinus
Streptococcus mutans
Saliva
Polymerase Chain Reaction
DNA
38 Citations (Scopus)

Thymidine diphosphate-6-deoxy-L-lyxo-4-hexulose reductase synthesizing dTDP-6-deoxy-L-talose from Actinobacillus actinomycetemcomitans

Nakano, Y., Suzuki, N., Yoshida, Y., Nezu, T., Yamashita, Y. & Koga, T., Mar 10 2000, In : Journal of Biological Chemistry. 275, 10, p. 6806-6812 7 p.

Research output: Contribution to journalArticle

Aggregatibacter actinomycetemcomitans
Oxidoreductases
Genes
Biosynthesis
Sugars
2001
92 Citations (Scopus)

Characteristics of patients complaining of halitosis and the usefulness of gas chromatography for diagnosing halitosis

Oho, T., Yoshida, Y., Shimazaki, Y., Yamashita, Y. & Koga, T., Jan 1 2001, In : Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics. 91, 5, p. 531-534 4 p.

Research output: Contribution to journalArticle

Halitosis
Gas Chromatography
Sulfur Compounds
Sulfides
Mouth
24 Citations (Scopus)

Immunodominant region of Actinobacillus actinomycetemcomitans 40-kilodalton heat shock protein in patients with rheumatoid arthritis

Yoshida, A., Nakano, Y., Yamashita, Y., Oho, I., Ito, H., Kondo, M., Ohishi, M. & Koga, T., Jan 1 2001, In : Journal of Dental Research. 80, 1, p. 346-350 5 p.

Research output: Contribution to journalArticle

HSP40 Heat-Shock Proteins
Aggregatibacter actinomycetemcomitans
Immunodominant Epitopes
Rheumatoid Arthritis
Immunoglobulin G
201 Citations (Scopus)

Influence of dentition status on physical disability, mental impairment, and mortality in institutionalized elderly people

Shimazaki, Y., Soh, I., Saito, T., Yamashita, Y., Koga, T., Miyazaki, H. & Takehara, T., Jan 1 2001, In : Journal of Dental Research. 80, 1, p. 340-345 6 p.

Research output: Contribution to journalArticle

Dentition
Dentures
Mortality
Tooth
Tooth Loss
21 Citations (Scopus)

Passive immunization with milk produced from an immunized cow prevents oral recolonization by Streptococcus mutans

Shimazaki, Y., Mitoma, M., Oho, T., Nakano, Y., Yamashita, Y., Okano, K., Nakano, Y., Fukuyama, M., Fujihara, N., Nada, Y. & Koga, T., Nov 17 2001, In : Clinical and Diagnostic Laboratory Immunology. 8, 6, p. 1136-1139 4 p.

Research output: Contribution to journalArticle

Immunization
Passive Immunization
Streptococcus mutans
Cetylpyridinium
Milk

Production of goat milk antibodies against cell surface protein antigen-glucosyltransferase fusion protein of Streptococcus mutans

Kawagoe, H., Oho, T., Okano, K., Nakano, Y., Ono, Y., Shimazaki, Y., Yamashita, Y., Koga, T., Fukuyama, M. & Fujihara, N., Feb 1 2001, In : Journal of the Faculty of Agriculture, Kyushu University. 45, 2, p. 495-507 13 p.

Research output: Contribution to journalArticle

Glucosyltransferases
Streptococcus mutans
glucosyltransferases
goat milk
surface proteins
23 Citations (Scopus)

Psychological condition of patients complaining of halitosis

Oho, T., Yoshida, Y., Shimazaki, Y., Yamashita, Y. & Koga, T., Jan 1 2001, In : Journal of Dentistry. 29, 1, p. 31-33 3 p.

Research output: Contribution to journalArticle

Halitosis
Psychology
Cornell Medical Index
Neurotic Disorders
Health
2002
7 Citations (Scopus)

An improved method for detecting mutans streptococci using a commercial kit.

Seki, M., Karakama, F., Ozaki, T. & Yamashita, Y., Dec 2002, In : Journal of Oral Science. 44, 3-4, p. 135-139 5 p.

Research output: Contribution to journalArticle

Streptococcus mutans
Saliva
17 Citations (Scopus)

A novel mechanism for glucose side-chain formation in rhamnose-glucose polysaccharide synthesis

Ozaki, K., Shibata, Y., Yamashita, Y., Nakano, Y., Tsuda, H. & Koga, T., Dec 4 2002, In : FEBS Letters. 532, 1-2, p. 159-163 5 p.

Research output: Contribution to journalArticle

Rhamnose
Polysaccharides
Escherichia coli
Glucose
Genes
40 Citations (Scopus)

Expression and characterization of streptococcal rgp genes required for rhamnan synthesis in Escherichia coli

Shibata, Y., Yamashita, Y., Ozaki, K., Nakano, Y. & Koga, T., Jun 6 2002, In : Infection and Immunity. 70, 6, p. 2891-2898 8 p.

Research output: Contribution to journalArticle

Rhamnose
Polysaccharides
Escherichia coli
Glucose
Genes
64 Citations (Scopus)

Genes involved in bacitracin resistance in Streptococcus mutans

Tsuda, H., Yamashita, Y., Shibata, Y., Nakano, Y. & Koga, T., Dec 1 2002, In : Antimicrobial Agents and Chemotherapy. 46, 12, p. 3756-3764 9 p.

Research output: Contribution to journalArticle

Bacitracin
Streptococcus mutans
Rhamnose
Genes
Polysaccharides
13 Citations (Scopus)

Guanosine diphosphate-4-keto-6-deoxy-D-mannose reductase in the pathway for the synthesis of GDP-6-deoxy-D-talose in Actinobacillus actinomycetemcomitans

Suzuki, N., Nakano, Y., Yoshida, Y., Nezu, T., Terada, Y., Yamashita, Y. & Koga, T., Dec 17 2002, In : European Journal of Biochemistry. 269, 23, p. 5963-5971 9 p.

Research output: Contribution to journalArticle

Aggregatibacter actinomycetemcomitans
Guanosine
Diphosphates
Oxidoreductases
Guanosine Diphosphate Mannose
2003
10 Citations (Scopus)

18F-FDG PET: Early postoperative period of oro-maxillo-facial flaps

Aigner, R. M., Schultes, G., Wolf, G., Yamashita, Y., Sorantin, E. & Kärcher, H., Oct 2003, In : Nuklearmedizin. 42, 5, p. 210-214 5 p.

Research output: Contribution to journalArticle

Fluorodeoxyglucose F18
Postoperative Period
Surgical Flaps
Postoperative Care
Oral Surgery
67 Citations (Scopus)

Analysis of loci required for determination of serotype antigenicity in Streptococcus mutans and its clinical utilization

Shibata, Y., Ozaki, K., Seki, M., Kawato, T., Tanaka, H., Nakano, Y. & Yamashita, Y., Sep 1 2003, In : Journal of Clinical Microbiology. 41, 9, p. 4107-4112 6 p.

Research output: Contribution to journalArticle

Streptococcus mutans
Glucose
Rhamnose
Preschool Children
Serogroup
3 Citations (Scopus)

Does a clinical evaluation of oral cleanliness correlate with caries incidence in preschool children? Findings from a cohort study.

Seki, M., Karakama, F. & Yamashita, Y., Jun 2003, In : Journal of Oral Science. 45, 2, p. 93-98 6 p.

Research output: Contribution to journalArticle

Streptococcus mutans
Preschool Children
Cohort Studies
Oral Diagnosis
Incidence

Erratum: Evaluation of mutans streptococci in plaque and saliva: Correlation with caries development in preschool children (Journal of Dentistry (2003) 31 (283-290))

Seki, M., Karakama, F., Terajima, T., Ichikawa, Y., Ozaki, T., Yoshida, S. & Yamashita, Y., Jan 1 2003, In : Journal of Dentistry. 31, 5, 1 p.

Research output: Contribution to journalComment/debate

Streptococcus mutans
Preschool Children
Dentistry
Saliva
34 Citations (Scopus)

Evaluation of mutans streptococci in plaque and saliva: Correlation with caries development in preschool children

Seki, M., Karakama, F., Terajima, T., Ichikawa, Y., Ozaki, T., Yoshida, S. & Yamashita, Y., Jan 1 2003, In : Journal of Dentistry. 31, 4, p. 283-290 8 p.

Research output: Contribution to journalArticle

Streptococcus mutans
Preschool Children
Saliva
Deciduous Tooth
Incidence
30 Citations (Scopus)
Dental Pulp
Periodontal Ligament
Streptococcus mutans
Interleukin-8
Rhamnose
2004
18 Citations (Scopus)

Histatin 5 inhibits apoptosis in human gingival fibroblasts induced by Porphyromonas gingivalis cell-surface polyssacharide

Imatani, T., Kato, T., Okuda, K. & Yamashita, Y., Dec 1 2004, In : European Journal of Medical Research. 9, 11, p. 528-532 5 p.

Research output: Contribution to journalArticle

Histatins
Porphyromonas gingivalis
Polysaccharides
Fibroblasts
Apoptosis
29 Citations (Scopus)

Real-time TaqMan PCR for quantifying oral bacteria during biofilm formation

Suzuki, N., Nakano, Y., Yoshida, A., Yamashita, Y. & Kiyoura, Y., Aug 1 2004, In : Journal of Clinical Microbiology. 42, 8, p. 3827-3830 4 p.

Research output: Contribution to journalArticle

Biofilms
Real-Time Polymerase Chain Reaction
Nucleic Acid Hybridization
Bacteria
Ecosystem
38 Citations (Scopus)

TaqMan real-time polymerase chain reaction assay for the correlation of Treponema denticola numbers with the severity of periodontal disease

Yoshida, A., Kawada, M., Suzuki, N., Nakano, Y., Oho, T., Saito, T. & Yamashita, Y., Jun 2004, In : Oral Microbiology and Immunology. 19, 3, p. 196-200 5 p.

Research output: Contribution to journalArticle

Treponema denticola
Periodontal Diseases
Real-Time Polymerase Chain Reaction
Periodontal Pocket
Periodontitis
2005
190 Citations (Scopus)

Adiponectin inhibits Toll-like receptor family-induced signaling

Yamaguchi, N., Argueta, J. G. M., Masuhiro, Y., Kagishita, M., Nonaka, K., Saito, T., Hanazawa, S. & Yamashita, Y., Dec 19 2005, In : FEBS Letters. 579, 30, p. 6821-6826 6 p.

Research output: Contribution to journalArticle

Toll-Like Receptors
Adiponectin
Macrophages
Phosphorylation
Antibodies
8 Citations (Scopus)

A searchable database for proteomes of oral microorganisms

Nakano, Y., Shibata, Y., Kawada, M., Kojima, M., Fukamachi, H., Shibata, Y., Okano, S., Matsushima, K., Abiko, Y. & Yamashita, Y., Dec 1 2005, In : Oral Microbiology and Immunology. 20, 6, p. 344-348 5 p.

Research output: Contribution to journalArticle

Proteome
Streptococcus mutans
Databases
Gels
Aggregatibacter actinomycetemcomitans
5 Citations (Scopus)
Streptococcus mutans
Preschool Children
Infection
Deciduous Tooth
Oral Health
38 Citations (Scopus)

Discrimination of Streptococcus pneumoniae from viridans group streptococci by genomic subtractive hybridization

Suzuki, N., Seki, M., Nakano, Y., Kiyoura, Y., Maeno, M. & Yamashita, Y., Sep 1 2005, In : Journal of Clinical Microbiology. 43, 9, p. 4528-4534 7 p.

Research output: Contribution to journalArticle

Viridans Streptococci
Nucleic Acid Hybridization
Streptococcus pneumoniae
Streptococcus mitis
DNA Primers
38 Citations (Scopus)

High production of methyl mercaptan by L-methionine-α-deamino- γ-mercaptomethane lyase from Treponema denticola

Fukamachi, H., Nakano, Y., Okano, S., Shibata, Y., Abiko, Y. & Yamashita, Y., May 27 2005, In : Biochemical and Biophysical Research Communications. 331, 1, p. 127-131 5 p.

Research output: Contribution to journalArticle

Treponema denticola
Lyases
Sulfhydryl Compounds
Methionine
Biofilms
43 Citations (Scopus)

Identification and characterization of an autolysin-e cncoding gene of Streptococcus mutans

Shibata, Y., Kawada, M., Nakano, Y., Toyoshima, K. & Yamashita, Y., Jun 1 2005, In : Infection and Immunity. 73, 6, p. 3512-3520 9 p.

Research output: Contribution to journalArticle

N-Acetylmuramoyl-L-alanine Amidase
Streptococcus mutans
Biofilms
Genes
Sucrose
77 Citations (Scopus)

Loop-mediated isothermal amplification method targeting the lytA gene for detection of Streptococcus pneumoniae

Seki, M., Yamashita, Y., Torigoe, H., Tsuda, H., Sato, S. & Maeno, M., Apr 1 2005, In : Journal of Clinical Microbiology. 43, 4, p. 1581-1586 6 p.

Research output: Contribution to journalArticle

Gene Targeting
Streptococcus pneumoniae
Streptococcus oralis
Streptococcus mitis
Streptococcus
42 Citations (Scopus)

Relationship between drinking and periodontitis: The Hisayama study

Shimazaki, Y., Saito, T., Kiyohara, Y., Kato, I., Kubo, M., Iida, M. & Yamashita, Y., Sep 1 2005, In : Journal of periodontology. 76, 9, p. 1534-1541 8 p.

Research output: Contribution to journalArticle

Periodontitis
Alcohol Drinking
Drinking
Tooth
Odds Ratio
148 Citations (Scopus)

Relationship between obesity, glucose tolerance, and periodontal disease in Japanese women: The Hisayama study

Saito, T., Shimazaki, Y., Kiyohara, Y., Kato, I., Kubo, M., Iida, M. & Yamashita, Y., Aug 1 2005, In : Journal of Periodontal Research. 40, 4, p. 346-353 8 p.

Research output: Contribution to journalReview article

Periodontal Diseases
Glucose Tolerance Test
Obesity
Glucose
Body Mass Index
2006
8 Citations (Scopus)

Correlation between the incidence of central nodal necrosis in cervical lymph node metastasis and the extent of differentiation in oral squamous cell carcinoma

Morimoto, Y., Kurokawa, H., Tanaka, T., Yamashita, Y., Kito, S., Okabe, S., Takahashi, T. & Ohba, T., Jan 1 2006, In : Dentomaxillofacial Radiology. 35, 1, p. 18-23 6 p.

Research output: Contribution to journalArticle

Squamous Cell Carcinoma
Necrosis
Lymph Nodes
Neoplasm Metastasis
Incidence
47 Citations (Scopus)

Effect of mixed mutans streptococci colonization on caries development

Seki, M., Yamashita, Y., Shibata, Y., Torigoe, H., Tsuda, H. & Maeno, M., Feb 1 2006, In : Oral Microbiology and Immunology. 21, 1, p. 47-52 6 p.

Research output: Contribution to journalArticle

Streptococcus mutans
Streptococcus sobrinus
Preschool Children
Toothpastes
Polymerase Chain Reaction
17 Citations (Scopus)

Serotype-specific polysaccharide of Streptococcus mutans contributes to infectivity in endocarditis

Nagata, E., Okayama, H., Ito, H. O., Yamashita, Y., Inoue, M. & Oho, T., Dec 1 2006, In : Oral Microbiology and Immunology. 21, 6, p. 420-423 4 p.

Research output: Contribution to journalArticle

Streptococcus mutans
Rhamnose
Endocarditis
Polysaccharides
Glucose
36 Citations (Scopus)

The extent of alveolar bone loss is associated with impaired glucose tolerance in Japanese men

Saito, T., Murakami, M., Shimazaki, Y., Matsumoto, S. & Yamashita, Y., Mar 1 2006, In : Journal of Periodontology. 77, 3, p. 392-397 6 p.

Research output: Contribution to journalArticle

Alveolar Bone Loss
Glucose Intolerance
Glucose Tolerance Test
Periodontal Diseases
Glucose