Search for endophytic diazotrophs in barley seeds

S. Zawoznik, Myriam; C. Vázquez, Susana; Díaz Herrera, Silvana M.; D. Groppa, María

S. Zawoznik, Myriam; C. Vázquez, Susana; Díaz Herrera, Silvana M.; D. Groppa, María.

Affiliation

S. Zawoznik, Myriam; Universidad de Buenos Aires. Departamento de Química Biológica. Buenos Aires. AR
C. Vázquez, Susana; Universidad de Buenos Aires. Departamento de Química Biológica. Buenos Aires. AR
Díaz Herrera, Silvana M.; Universidad de Buenos Aires. Departamento de Química Biológica. Buenos Aires. AR
D. Groppa, María; Universidad de Buenos Aires. Departamento de Química Biológica. Buenos Aires. AR

Braz. j. microbiol ; Braz. j. microbiol;45(2): 621-625, Apr.-June 2014. ilus, tab

Article 在 En | LILACS | ID: lil-723126

Responsible library: BR1.1

ABSTRACT

ABSTRACT

Eight endophytic isolates assigned to Pseudomonas, Azospirillum, and Bacillus genera according to pheno-genotypic features were retrieved from barley seeds under selective pressure for nitrogen-fixers. Genetic relationships among related isolates were investigated through RAPD. Six isolates displayed nitrogen-fixing ability, while all could biosynthesize indolacetic acid in vitro and showed no antibiosis effects against Azospirillum brasilense Az39, a recognized PGPR.

Subject(s)
Key words

Azospirillum; Bacillus; PGPR; Pseudomonas; RAPD

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全文: 1 索引: LILACS 主要主题: Pseudomonas / Seeds / Bacillus / Hordeum / Azospirillum brasilense / Endophytes / Nitrogen Fixation 语言: En 期刊: Braz J Microbiol / Braz. j. microbiol / Braz. j. microbiol. (Online) / Brazilian journal of microbiology (Impresso) 期刊主题: MICROBIOLOGIA 年: 2014 类型: Article / Project document

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