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K. Yamakawa · SciRah

Researcher profile · Semantic Scholar

K. Yamakawa

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K. Yamakawa — researcher profile on SciRah

h-index: 25
Works: 54
Citations: 1,533

Most-cited papers

A defined growth medium for Clostridium difficile.
T. Karasawa, S. Ikoma, K. Yamakawa, S. Nakamura
1995Microbiology170 citations Open access
Semantic Scholar
Isolation of Clostridium difficile from the Feces and the Antibody in Sera of Young and Elderly Adults
S. Nakamura, Masato Mikawa, S. Nakashio, Manabu Takabatake +5 more
1981Microbiology and immunology152 citations Open access
Semantic Scholar
Tumor necrosis factor receptor p55 is essential for intrahepatic granuloma formation and hepatocellular apoptosis in a murine model of bacterium-induced fulminant hepatitis
Hirokazu Tsuji, A. Harada, N. Mukaida, Y. Nakanuma +6 more
1997Infection and Immunity89 citations Open access
Semantic Scholar
Characterization of a neurotoxigenic Clostridium butyricum strain isolated from the food implicated in an outbreak of food-borne type E botulism
Xiao-Qi Meng, T. Karasawa, K. Zou, Xin Kuang +5 more
1997Journal of Clinical Microbiology75 citations Open access
Semantic Scholar
Genetic Analysis of Type E Botulinum Toxin-Producing Clostridium butyricum Strains
Xing-Min Wang, T. Maegawa, T. Karasawa, S. Kozaki +6 more
2000Applied and Environmental Microbiology59 citations Open access
Semantic Scholar
Enhancement of Clostridium difficile toxin production in biotin-limited conditions.
K. Yamakawa, T. Karasawa, S. Ikoma, Shinichi Nakamura
1996Journal of Medical Microbiology58 citations Open access
Semantic Scholar
Characterization of Clostridium botulinum Type B Neurotoxin Associated with Infant Botulism in Japan
S. Kozaki, Y. Kamata, T. Nishiki, H. Kakinuma +5 more
1998Infection and Immunity56 citations Open access
Semantic Scholar
Toxin production by Clostridium difficile in a defined medium with limited amino acids.
K. Yamakawa, S. Kamiya, X.-Q. Meng, T. Karasawa +1 more
1994Journal of Medical Microbiology53 citations Open access
Semantic Scholar
Effect of Arginine on Toxin Production by Clostridium difficile in Defined Medium
T. Karasawa, T. Maegawa, Takashi Nojiri, K. Yamakawa +1 more
1997Microbiology and immunology47 citations Open access
Semantic Scholar
NAD(+)-glycohydrolase from Streptococcus pyogenes shows cyclic ADP-ribose forming activity.
T. Karasawa, Shin Takasawa, K. Yamakawa, H. Yonekura +2 more
1995FEMS Microbiology Letters45 citations Open access
Semantic Scholar
Recovery of spores of Clostridium difficile altered by heat or alkali.
Shigeru Kamiya, K. Yamakawa, H. Ogura, Shinichi Nakamura
1989Journal of Medical Microbiology43 citations Open access
Semantic Scholar
Speculation and C2 Toxin Production by Clostridium botulinum Type C Strains Producing No C1 Toxin
S. Nakamura, T. Serikawa, K. Yamakawa, S. Nishida +2 more
1978Microbiology and immunology43 citations
Semantic Scholar
Carbohydrate Fermentation by Clostridium difficile
S. Nakamura, S. Nakashio, K. Yamakawa, Naomi Tanabe +1 more
1982Microbiology and immunology41 citations Open access
Semantic Scholar
Isolation and characterisation of neurotoxigenic Clostridium butyricum from soil in China.
X. Meng, K. Yamakawa, K. Zou, Xing-Min Wang +5 more
1999Journal of Medical Microbiology39 citations Open access
Semantic Scholar
Effect of isoleucine on toxin production by Clostridium difficile in a defined medium.
D. Ikeda, T. Karasawa, K. Yamakawa, R. Tanaka +2 more
1998Zentralblatt fur Bakteriologie : international journal of medical microbiology37 citations
Semantic Scholar
Germinability and Heat Resistance of Spores of Clostridium difficile Strains
S. Nakamura, K. Yamakawa, Junko Izumi, S. Nakashio +1 more
1985Microbiology and immunology37 citations Open access
Semantic Scholar
Taxonomic relationships among Clostridium novyi Types A and B, Clostridium haemolyticum and Clostridium botulinum type C.
S. Nakamura, Imiko Kimura, K. Yamakawa, S. Nishida
1983Journal of General Microbiology37 citations Open access
Semantic Scholar
Effect of Clindamycin on Cytotoxin Production by Clostridium difficile
S. Nakamura, Masato Mikawa, Naomi Tanabe, K. Yamakawa +1 more
1982Microbiology and immunology36 citations
Semantic Scholar
Prevalence of Clostridium botulinum Type E and Coexistence of C. botulinum Nonproteolytic Type B in the River Soil of Japan
K. Yamakawa, S. Nakamura
1992Microbiology and immunology33 citations Open access
Semantic Scholar
Cytotoxin Production by Clostridium sordellii Strains
S. Nakamura, Naomi Tanabe, K. Yamakawa, S. Nishida
1983Microbiology and immunology31 citations
Semantic Scholar
Antimicrobial Susceptibility of Clostridium difficile from Different Sources
S. Nakamura, S. Nakashio, Masato Mikawa, K. Yamakawa +2 more
1982Microbiology and immunology30 citations
Semantic Scholar
Agglutination, Toxigenicity and Sorbitol Fermentation of Clostridium difficile
S. Nakamura, T. Serikawa, Masato Mikawa, S. Nakashio +2 more
1981Microbiology and immunology29 citations
Semantic Scholar
Inhibition of enhanced toxin production by Clostridium difficile in biotin-limited conditions.
K. Yamakawa, T. Karasawa, T. Ohta, H. Hayashi +1 more
1998Journal of Medical Microbiology28 citations Open access
Semantic Scholar
The first case of type B infant botulism in Japan
H. Kakinuma, Hiromi Maruyama, Hiroaki Takahashi, K. Yamakawa +1 more
1996Acta paediatrica Japonica : Overseas edition26 citations
Semantic Scholar
Distribution of Clostridium botulinum in Japan and in Shinkiang District of China
K. Yamakawa, S. Kamiya, S. Nishida, Kiyoto Yoshimura +3 more
1988Microbiology and immunology25 citations Open access
Semantic Scholar
Evaluation of a Commercially Available Latex Immunoagglutination Test Kit for Detection of Clostridium difficile D‐1 Toxin
S. Kamiya, S. Nakamura, K. Yamakawa, S. Nishida
1986Microbiology and immunology21 citations
Semantic Scholar
Separation of Two Cytotoxins of Clostridium sordellii Strains
K. Yamakawa, S. Nakamura, S. Nishida
1985Microbiology and immunology17 citations Open access
Semantic Scholar
NAD(+)-glycohydrolase productivity of haemolytic streptococci assayed by a simple fluorescent method and its relation to T serotype.
T. Karasawa, K. Yamakawa, D. Tanaka, Yotaku Gyobu +1 more
1995FEMS Microbiology Letters16 citations Open access
Semantic Scholar
Clostridium botulinum Type C in Healthy Swine in Japan
K. Yamakawa, S. Kamiya, Kiyoto Yoshimura, S. Nakamura
1992Microbiology and immunology14 citations Open access
Semantic Scholar
Application of nested polymerase chain reaction for the rapid diagnosis of infant botulism type B
H. Kakinuma, Hiromi Maruyama, K. Yamakawa, S. Nakamura +1 more
1997Acta paediatrica Japonica : Overseas edition13 citations
Semantic Scholar
Emergence of Clostridium botulinum type B-like nontoxigenic organisms in a patient with type B infant botulism
K. Yamakawa, T. Karasawa, H. Kakinuma, Hiromi Maruyama +2 more
1997Journal of Clinical Microbiology13 citations Open access
Semantic Scholar
Clostridium botulinum in the soil of Kenya.
K. Yamakawa, Shigeru Kamiya, Kiyoto Yoshimura, S. Nakamura +1 more
1990Annals of Tropical Medicine and Parasitology12 citations
Semantic Scholar
C2 toxicity in extract of Clostridium botulinum type C spores
K. Yamakawa, S. Nishida, S. Nakamura
1983Infection and Immunity12 citations Open access
Semantic Scholar
Rabbit Ileal Loop Responses to Clostridium sordellii Strains
K. Yamakawa, Naomi Tanabe, Yasunori Okada, S. Nishida +1 more
1983Microbiology and immunology12 citations Open access
Semantic Scholar
Laboratory diagnosis of toxigenic Clostridium difficile by polymerase chain reaction: presence of toxin genes and their stable expression in toxigenic isolates from Japanese individuals
T. Karasawa, Takashi Nojiri, Y. Hayashi, T. Maegawa +3 more
1999Journal of gastroenterology11 citations Open access
Semantic Scholar
Purification and characterisation of intracellular toxin A of Clostridium difficile.
X.-Q. Meng, Shigeru Kamiya, K. Yamakawa, H. Ogura +1 more
1993Journal of Medical Microbiology11 citations Open access
Semantic Scholar
Production of monoclonal antibody to Clostridium difficile toxin A which neutralizes enterotoxicity but not haemagglutination activity.
Shigeru Kamiya, K. Yamakawa, X.-Q. Meng, H. Ogura +1 more
1991FEMS Microbiology Letters11 citations
Semantic Scholar
Antibacterial susceptibility of Clostridium sordellii strains.
S. Nakamura, K. Yamakawa, S. Nishida
1986Zentralblatt für Bakteriologie Mikrobiologie und Hygiene Series A Medical Microbiology Infectious Diseases Virology Parasitology10 citations
Semantic Scholar
Effect of Various Sodium Taurocholate Preparations on the Recovery of Clostridium difficile Spores
S. Kamiya, K. Yamakawa, H. Ogura, S. Nakamura
1987Microbiology and immunology9 citations Open access
Semantic Scholar
Difference in Susceptibility of Various Cell Cultures to Cytotoxic Culture Filtrates of Clostridium sordellii
S. Nakamura, H. Ogura, J. Tanaka, Naomi Tanabe +3 more
1984Microbiology and immunology9 citations Open access
Semantic Scholar
Clostridium botulinum in the soil of Paraguay.
K. Yamakawa, Toshimitsu Hayashi, Shigeru Kamiya, Kiyoto Yoshimura +1 more
1990Japanese Journal of Medical Science & Biology7 citations Open access
Semantic Scholar
Clostridium absonum from gas gangrene.
Takayuki Masaki, Hozo Umehashi, Hiroshi Miyazaki, Makoto Takano +2 more
1988Japanese Journal of Medical Science & Biology7 citations Open access
Semantic Scholar
Characterization of Neurotoxigenic Clostridium butyricum Strain by DNA Hybridization Test and by in vivo and in vitro Germination Tests of Spores
K. Takeshi, N. Fujii, K. Kimura, K. Yamakawa +3 more
1991Microbiology and immunology4 citations Open access
Semantic Scholar
Correlation between susceptibility to chloramphenicol, tetracycline and clindamycin, and serogroups of Clostridium difficile
S. Nakamura, K. Yamakawa, Satoshi Nakashio, Shigeru Kamiya +1 more
2004Medical Microbiology and Immmunology2 citations
Semantic Scholar
Haemagglutination activity of toxigenic and non-toxigenic strains of Clostridium difficile.
X.-Q. Meng, K. Yamakawa, H. Ogura, Shinichi Nakamura
1994FEMS Microbiology Letters2 citations
Semantic Scholar
Isolation of Clostridium absonum from a Case of Gas Gangrene
S. Nakamura, K. Yamakawa, H. Hashimoto, S. Nishida
1979Microbiology and immunology2 citations
Semantic Scholar
PREVALENCE OF C. BOTULINUM TYPE E & COEXISTANCE OF BOTULINUM NON-PROTEOLYTIC TYPE B IN THE RIVER SOIL OF JAPAN
K. Yamakawa, S. Nakamura
19981 citations
Semantic Scholar
C2 toxin production by Clostridium botulinum type C strains producing no C1 toxin.
S. Nakamura, T. Serikawa, K. Yamakawa, S. Nishida +2 more
1979Japanese Journal of Medical Science & Biology1 citations
Semantic Scholar
SYMPOSIUM ON TOXINS Proceedings of the 38th Symposium on Toxins held at Nagoya, on August 1 -3,1991. Director: AkioMIYAMA
Ayumu Miyamoto, T. Okabe, Y. Horiguchi, Y. Ohno-Iwashita +51 more
20090 citations
Semantic Scholar
Studies on sugar fermentation by Clostridiutn difficile
K. Yamakawa, T. Karaswa, Takashi Nojiri, Yoshinori Okino +3 more
19970 citations
Semantic Scholar

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S. Nakamura×32
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S. Nakamura — researcher profile on SciRah
S. Nishida×19
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S. Nishida — researcher profile on SciRah
T. Karasawa×14
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T. Karasawa — researcher profile on SciRah
H. Ogura×7
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H. Ogura — researcher profile on SciRah

Shinichi Nakamura

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Shinichi Nakamura — researcher profile on SciRah

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S. Nakamura — researcher profile on SciRah

Shigeru Kamiya×6

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Shigeru Kamiya — researcher profile on SciRah

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S. Nakashio — researcher profile on SciRah

Shinichi Nakamura×5

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Shinichi Nakamura — researcher profile on SciRah

Naomi Tanabe×5

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Naomi Tanabe — researcher profile on SciRah

Masato Mikawa×4

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Masato Mikawa — researcher profile on SciRah

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T. Serikawa — researcher profile on SciRah