The Genus Leptospira

Adler, Ben; Faine, S.

doi:10.1007/0-387-30747-8_10

Cited by 13 publications

(14 citation statements)

References 133 publications

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“…Moreover, the cells of strain RASEN T had hook-shaped ends. Similar cell structures have also been found for members of the genus Leptospira (Adler & Faine, 2006;Faine, 1984).…”

Section: H Imachi and Otherssupporting

confidence: 76%

“…Sensitivity to rifampicin is also a unique and important trait that characterizes strain RASEN T . Almost all species of the phylum Spirochaetes tolerate rifampicin, and rifampicin has often been used as a selective agent for isolation of spirochaetes (Norris et al, 2006;Leschine et al, 2006;Adler & Faine, 2006;Stanton, 2006). Moreover, the thermophilic growth exhibited by strain RASEN T is rare amongst members of the phylum Spirochaetes, most of which are mesophiles as discussed earlier.…”

Section: H Imachi and Othersmentioning

confidence: 99%

“…Differential characteristics between strain RASEN T and other genera in the phylum Spirochaetes Data for strain RASEN T are from this study. Data for other genera were taken from Holt et al (1994), Paster et al (1991) and the following sources: Treponema (Norris et al, 2006;Smibert, 1984;Wyss et al, 2004;Nordhoff et al, 2005;, Spirochaeta (Leschine et al, 2006;Canale-Parola, 1984a, b;Hoover et al, 2003;Dröge et al, 2006), Borrelia (Caimono, 2006;Kelly, 1984;Güner et al, 2004;Masuzawa et al, 2001;Fukunaga et al, 1996;Richter et al, 2004;Le Fleche et al, 1997;Baranton et al, 1992;Canica et al, 1993;Wang et al, 1997;Karimi et al, 1979), Cristispira (Breznak, 1984), Brevinema (Defosse et al, 1995), Brachyspira (Stanton, 2006;Hampson & La, 2006) and Leptospira/Leptonema (Adler & Faine, 2006;Faine, 1984;Levett et al, 2006;Perolat et al, 1998;Ramadass et al, 1992). +, Positive; 2, negative; V, dependent on the species; ND, no data available.…”

Section: H Imachi and Othersmentioning

confidence: 99%

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Exilispira thermophila gen. nov., sp. nov., an anaerobic, thermophilic spirochaete isolated from a deep-sea hydrothermal vent chimney

Imachi

Sakai

Hirayama

et al. 2008

INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLO

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Exilispira thermophila gen. nov., sp. nov., an anaerobic, thermophilic spirochaete isolated from a deep-sea hydrothermal vent chimney Department of Environmental Systems Engineering, Nagaoka University of Technology, Nagaoka, Niigata 940-2188, Japan A novel thermophilic, anaerobic bacterium, strain RASEN T , was isolated from a deep-sea hydrothermal vent chimney sample collected in the Iheya North field, Okinawa Trough, Japan, at a water depth of 982 m. The cells were motile, Gram-negative and helical with hooked ends, 0.23-0.28¾15-27 mm in size with an approximate wavelength of 1.1-1.5 mm. Growth of the strain was observed at 37-60 6C (optimum 50 6C), in 2.5-3.5 % (w/v) NaCl (optimum 2.5-3 % NaCl) and at pH 6.0-7.5 (optimum pH 7.0). The strain grew on yeast extract only of the substrates examined in this study. The G+C content of the genomic DNA was 27.1 mol%. Major fatty acids for the strain were C 16 : 0 , C 18 : 1 (D9) trans, C 18 : 0 and C 18 : 1 (D9) cis. Based on comparative 16S rRNA gene sequence analysis, strain RASEN T formed a deeply branching lineage within the phylum Spirochaetes and had only low levels of sequence similarity with other species of the phylum (range of similarity 72.1-80.6 %). Hence, we propose the name Exilispira thermophila gen. nov., sp. nov. The type strain of Exilispira thermophila is strain RASEN T (5JCM 14728 T 5NBRC 103205 T 5KCTC 5595 T ).

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“…Moreover, the cells of strain RASEN T had hook-shaped ends. Similar cell structures have also been found for members of the genus Leptospira (Adler & Faine, 2006;Faine, 1984).…”

Section: H Imachi and Otherssupporting

confidence: 76%

Section: H Imachi and Othersmentioning

confidence: 99%

Section: H Imachi and Othersmentioning

confidence: 99%

See 1 more Smart Citation

Exilispira thermophila gen. nov., sp. nov., an anaerobic, thermophilic spirochaete isolated from a deep-sea hydrothermal vent chimney

Imachi

Sakai

Hirayama

et al. 2008

INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLO

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“…Early biochemical, serologic, and genetic studies showed that LPS is present in Leptospira, but its covalent structure has not been characterized (12, 16 -20). However, numerous studies have shown that leptospiral LPS possesses much lower endotoxic activity than typical Gram-negative LPS (21). Werts et al (22) found that highly purified L. interrogans LPS is unusual because it activates TLR2 rather than TLR4.…”

mentioning

confidence: 99%

A Methylated Phosphate Group and Four Amide-linked Acyl Chains in Leptospira interrogans Lipid A

Que-Gewirth

Ribeiro

Kalb

et al. 2004

Journal of Biological Chemistry

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155

154

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“…Los miembros del genero Leptospira son bacterias helicoidales que pueden existir como saprofitos de vida libre o en asociación con un diverso rango de hospederos animales (Adler & Faine, 2006;Cespedes, 2005). La leptospirosis es una epizoodemia de gran importancia en el mundo.…”

Section: Introductionunclassified

Diagnóstico y monitoreo de leptospirosis en Latinoamérica

Foglia¹,

Salinas

Cavalcante

et al. 2015

rev.investig.agrar.ambient.

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ResumenLa leptospirosis es una enfermedad de gran importancia en el mundo debido a su componente zoonótico, el objetivo de esta investigación fue realizar una asociación entre la presencia de la enfermedad en animales domésticos, humanos y roedores silvestres en Latinoamérica. Se llevó a cabo una revisión bibliográfica haciendo énfasis en reportes asociados a roedores silvestres en los últimos 50 años. Como resultado se pudo establecer que los roedores silvestres seropositivos a la bacteria, en la mayoría de los casos, resultaban negativos en cultivo y los títulos eran bajos en comparación con la seroprevalencia en los animales domésticos, por lo que se deduce que son el principal factor de riesgo. Por tanto, es necesario establecer un control estricto en las explotaciones pecuarias, así como realizar estudios minuciosos, con el fin de disminuir los brotes en humanos e impedir la diseminación de la enfermedad a la fauna silvestre y la propagación de la enfermedad en humanos.Palabras clave: Leptospira, roedores, zoonosis, diagnóstico, reservorio, Latinoamérica. AbstractLeptospirosis is a disease of great importance in the world because of its zoonotic component, the purpose of this research was to establish a relation between the presence of the disease among domestic, human and wild rodents in Latin America. A review of available bibliography was conducted with an emphasis on reports associated with wild rodents in the last 50 years. As a result it was established that wild rodents that were seropositive to the bacteria, in most cases, had negative culture results and titles were low compared to the seroprevalence in pets, it therefore follows that they are 85

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The Genus Leptospira

Cited by 13 publications

References 133 publications

Exilispira thermophila gen. nov., sp. nov., an anaerobic, thermophilic spirochaete isolated from a deep-sea hydrothermal vent chimney

Exilispira thermophila gen. nov., sp. nov., an anaerobic, thermophilic spirochaete isolated from a deep-sea hydrothermal vent chimney

A Methylated Phosphate Group and Four Amide-linked Acyl Chains in Leptospira interrogans Lipid A

Diagnóstico y monitoreo de leptospirosis en Latinoamérica

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