نتایج جستجو برای: لکه برگی باکتریایی و pseudomonas syringae pv maculicola

تعداد نتایج: 834103  

2015
Olga A. Postnikova Jonathan Shao Norton M. Mock Con J. Baker Lev G. Nemchinov

Pseudomonas syringae infects diverse crop plants and comprises at least 50 different pathovar strains with different host ranges. More information on the physiological and molecular effects of the host inhibitory environment on the pathogen is needed to develop resistant cultivars. Recently, we reported an in vitro model system that mimics the redox pulse associated with the oxidative burst in ...

Journal: :Applied and environmental microbiology 2003
Siva Sabaratnam Gwyn A Beattie

The leaf colonization strategies of two bacterial strains were investigated. The foliar pathogen Pseudomonas syringae pv. syringae strain B728a and the nonpathogen Pantoea agglomerans strain BRT98 were marked with a green fluorescent protein, and surface (epiphytic) and subsurface (endophytic) sites of bean and maize leaves in the laboratory and the field were monitored to see if populations of...

Journal: :Protein expression and purification 2009
Natalia Kovalskaya Rosemarie W Hammond

In this study, for the first time, functionally active, recombinant, cysteine-rich plant proteins snakin-1 (SN1) and defensin (PTH1) were expressed and purified using a prokaryotic expression system. The overall level of antimicrobial activities of SN1 and PTH1 produced in Escherichia coli was commensurate with that of the same proteins previously obtained from plant tissues. Both proteins exhi...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 1989
D Y Kobayashi S J Tamaki N T Keen

Three different cosmid clones were isolated from a genomic library of the tomato pathogen Pseudomonas syringae pv. tomato, which, when introduced into the soybean pathogen P. syringae pv. glycinea, caused a defensive hypersensitive response (HR) in certain soybean cultivars. Each clone was distinguished by the specific cultivars that reacted hypersensitively and by the intensity of the HR elici...

ژورنال: علوم آب و خاک 2002
نیک نژاد کاظم پور, مصطفی ,

Pseudomonas syringae is a phytopathogenic bacterium with a wide host range. The biology of this bacterium consists of two phases. The first phase is the indication of disease on the host plant which generally appears in the form of necrosis on the aerial parts of plant (pathogenicity phase). The second phase is a rapid multiplication of bacteria on the aerial surface of the plant without inflic...

نیک نژاد کاظم پور, مصطفی ,

Pseudomonas syringae is a phytopathogenic bacterium with a wide host range. The biology of this bacterium consists of two phases. The first phase is the indication of disease on the host plant which generally appears in the form of necrosis on the aerial parts of plant (pathogenicity phase). The second phase is a rapid multiplication of bacteria on the aerial surface of the plant without inflic...

2015
Haeyoung Jeong Joseph W. Kloepper Choong-Min Ryu

Certain pathovars of Pseudomonas amygdali, which is newly reclassified from Pseudomonas syringae by DNA-DNA hybridization and ribotyping, cause many serious diseases of major crop plants. Herein, we present draft genome sequences of P. amygdali pv. tabaci strain ATCC 11528 and P. amygdali pv. lachrymans strain 98A-744.

Journal: :Journal of bacteriology 2007
Kasumi Takeuchi Hiroshi Ono Mitsuru Yoshida Tadashi Ishii Etsuko Katoh Fumiko Taguchi Ryuji Miki Katsuyoshi Murata Hanae Kaku Yuki Ichinose

Flagellins from Pseudomonas syringae pv. glycinea race 4 and Pseudomonas syringae pv. tabaci 6605 have been found to be glycosylated. Glycosylation of flagellin is essential for bacterial virulence and is also involved in the determination of host specificity. Flagellin glycans from both pathovars were characterized, and common sites of glycosylation were identified on six serine residues (posi...

Journal: :Phytopathology 2005
Marco Scortichini Maria Pia Rossi Stefania Loreti Adriana Bosco Mario Fiori Robert W Jackson David E Stead Andy Aspin Ugo Marchesi Maurizio Zini Jaap D Janse

ABSTRACT Thirty-eight bacterial strains isolated from hazelnut (Corylus avellana) cv. Tonda Gentile delle Langhe showing a twig dieback in Piedmont and Sardinia, Italy, were studied by a polyphasic approach. All strains were assessed by fatty acids analysis and repetitive sequence-based polymerase chain reaction (PCR) fingerprinting using BOX and ERIC primer sets. Representative strains also we...

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