CHARACTERISTICS OF ENGLISH ISOLATES OF <i>ERWINIA AMYLOVORA</i> (BURRILL) WINSLOW ET AL.

Billing, Eve; Baker, Lily A. E.; Crosse, J. E.; Garrett, Constance M. E.

doi:10.1111/j.1365-2672.1961.tb00253.x

Cited by 57 publications

(35 citation statements)

References 29 publications

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“…The pathogenicity was evaluated by symptoms of fire blight on inoculation leaves of apple seedling, 114 strains gave positive results with all E. amylovora strains assayed, except 16 strains which did not produce symptoms after two weeks on pear fruits as reported by other authors [18]- [19]. These leaves showed necrosis that started in the leaf wounds and progressed via the veins into the petioles, and droplets of ooze developed on the leaves.…”

Section: B Pathogenicity Testsmentioning

confidence: 93%

Characterizationof Moroccan Population of ErwiniaAmylovora, the Causal Agent of Fire Blighton Rosacea

Ameur¹,

Ennaji²,

Cesbron³

et al. 2014

IJBBB

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Section: B Pathogenicity Testsmentioning

confidence: 93%

Characterizationof Moroccan Population of ErwiniaAmylovora, the Causal Agent of Fire Blighton Rosacea

Ameur¹,

Ennaji²,

Cesbron³

et al. 2014

IJBBB

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“…Using two tubes per strain in two independent experiments, one strain was negative and three strains hydrolysed gelatin slower than the rest of the tested strains. Variability in gelatin hydrolysis for E. amylovora was already reported (Billing et al 1961;Donat et al 2005). Moreover, in API 20E test Donat et al (2005) found only four strains positive for gelatin hydrolysis out of 61 E. amylovora strains tested.…”

Section: Discussionmentioning

confidence: 87%

“…Moreover, in API 20E test Donat et al (2005) found only four strains positive for gelatin hydrolysis out of 61 E. amylovora strains tested. It has also been noticed in some E. amylovora strains that weak gelatin hydrolysis correspond to weak production of ooze in inoculated pear fruits (Billing et al 1961). However, we could not confirm this since our strains produced typical lesions on immature pear fruits with oozing at the inoculation site 2 days after inoculation.…”

Section: Discussionmentioning

confidence: 96%

“…Several studies, based on bacteriological determinative tests and pathogenicity, indicated that strains of E. amylovora form a relatively homogeneous group (Billing et al 1961;Momol and Aldwinckle 2000;Paulin 2000). Although originating from different hosts and geographical locations, most E. amylovora strains characterized by van der Zwet and Wells (1993), except those from Rubus, had similar fatty acid methyl ester (FAME) compositions.…”

Section: Introductionmentioning

confidence: 99%

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Exploring diversity of Erwinia amylovora population in Serbia by conventional and automated techniquesand detection of new PFGE patterns

et al. 2011

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Forty Erwinia amylovora strains originating from different host plants and locations in Serbia and one strain from Montenegro were characterized by conventional, automated and molecular techniques. All strains were Gram-negative, nonfluorescent, facultative anaerobes, oxidase negative, levan positive, produced necrotic lesions followed by bacterial exudate on artificially inoculated immature pear fruits and caused HR on tobacco. Based on carbon source utilization, all strains tested with the Biolog system were identified as E. amylovora. Based on fatty acid profiles all tested strains clustered into three groups in which strains from north Serbia differed from strains isolated in central and south parts of the country. Restriction analysis of genomic DNA using XbaI and PFGE resulted in six different patterns differentiating the strains into six groups. Most of the investigated strains clustered in one group having the pattern type similar to Pt2 group described earlier as dominant in East Europe and the Mediterranean region. Two strains showed PFGE pattern similar to the previously described Pt3 pattern and one strain had pattern similar to Pt6. Based on size and number of the bands, new restriction patterns, assigned as Pt7, Pt8 and Pt9 were observed. PFGE results showed that the E. amylovora population in Serbia is not homogenous and was possibly introduced from different directions. This is the first characterization of E. amylovora collection of strains from Serbia using fatty acid analysis and PFGE.

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“…In the present study, E. amylovora cells kept at 5ºC in sterile irrigation water retained their culturability on King's B solid medium at similar levels to those of the inoculation time while a decline was observed in the microcosms incubated at 26ºC within three months. Then, low temperature does not seem to affect negatively its survival in water and it has been described that this pathogen can grow at 3-5ºC [Billing et al, 1961]. The former suggest that the overwintering of E. amylovora may be more related to the lack of nutrients in the plant during host dormancy [Vanneste and Eden-Green, 2000] than to low temperatures.…”

Section: A42 Pathogenicity Assaysmentioning

confidence: 92%

Supervivencia de Erwinia amylovora en condiciones de estrés: influencia de la presencia de cobre y la limitación de nutrientes

Ibáñez¹

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i Agradecimientos Alguien dijo una vez que "el agradecimiento es la memoria del corazón"… Quiero pues recordar a aquellas personas que, de una manera u otra, me han transmitido su aliento durante esta travesía.A mis tres directoras por su extraordinaria labor que me ha permitido llegar hasta aquí. A la Dra. Mª Milagros López, por sus enseñanzas y buen hacer, su trato amable y apoyo incondicional, y su dedicación realmente incansable. A la Dra. Elena G. Biosca, por su profesionalidad tanto como por su amistad, por contagiarme su entusiasmo infatigable, por alentarme siempre y creer en mí. A la Dra. Ester Marco Noales, por su constancia y gran esfuerzo, por entenderme y ayudarme, por ser tan grande como directora y amiga. También por sumergirme (nunca mejor dicho!), en el mundo de la microbiología marina y la Posidonia que tanto me ha fascinado. A las tres agradecerles, además, su lucha por un contrato una vez que finalizó mi beca, depositando su confianza en mí para seguir creciendo como investigadora. Chiqui, Elena, Ester, GRACIAS POR TODO!!! Al, Ministerio de Educación y Ciencia, por la concesión de una beca predoctoral FPI, que aunque me alejó de mi "tierrina", me acercó un sueño que me ha hecho crecer profesional y personalmente.A mis compañeros de laboratorio. A Javi, por tantos secuestros y "adicciones", porque siempre seremos y sobran las palabras… porque adoro su casa... También por abrirme su "reino" (gracias a toda su familia, por acercarme ese calor que tanto añoro, y a esa "mamina" a la que venero; gracias también a todos sus amig@s, en especial a mi "Amparín" y mi "Greca"). A Ramón, un gran amigo, por su entusiasmo que contagia, por nuestros conciertos y juergas, por la terraza, los "vuelta y vuelta", las cañas y... hasta por los Risk! Gracias por seguir ahí aunque estés lejos. A Clara, porque la cuarentena no sería lo mismo sin ella!, pero también por demostrarme su apoyo y cariño en mi etapa más difícil… A Carmina, por ii sus miminos, por ayudarme siempre y por ese corazón tan grande! A JM, compañero por excelencia, siempre amable y dispuesto, una gozada de niño que he tenido la suerte de disfrutar cada mañana! A Raquel, tan necesaria! A las últimas incorporaciones. A Morteza, todo un personaje que ha traído nueva "vidilla" al laboratorio (y a los congresos!) contagiándonos su alegría. A mi Ana, ese pedaaaso de torbellino, por su risa, confianza y complicidad; por ser en poco tiempo un gran apoyo para mí. A Begoña, última chica "Posi", por sus "momentazos" que tanto me han hecho reír.Gracias también a algunos de los que no están, pero que nunca olvido. Paola, mi primera amiga aquí, por su confianza y por abrirme su casa desde mi llegada. Sin ella el aterrizaje habría sido duro. A Victoria, por su amistad en mis inicios, su sinceridad y su ayuda en mis comienzos "amylovorianos". A mi querida Heléne, dulce y cariñosa, que trajo consigo unos meses que nunca olvidaré. A Neus, que apareció un buen día con sus Posidonias y confió en mí. A Leandro, por ser una persona genial con la que merece la pena esta...

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CHARACTERISTICS OF ENGLISH ISOLATES OF ERWINIA AMYLOVORA (BURRILL) WINSLOW ET AL.

Cited by 57 publications

References 29 publications

Characterizationof Moroccan Population of ErwiniaAmylovora, the Causal Agent of Fire Blighton Rosacea

Characterizationof Moroccan Population of ErwiniaAmylovora, the Causal Agent of Fire Blighton Rosacea

Exploring diversity of Erwinia amylovora population in Serbia by conventional and automated techniquesand detection of new PFGE patterns

Supervivencia de Erwinia amylovora en condiciones de estrés: influencia de la presencia de cobre y la limitación de nutrientes

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