Bacterial endophytes from seeds of Norway spruce ( Picea abies L. Karst)

Endophytic bacteria from wooden plants and especially seed-associated endophytes are not well studied. Fresh seeds collected from four Norway spruce trees ( Picea abies) from different locations in the Slovene subalpine region were surface-sterilised and dissected into a seed coat, embryo and endosp...

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Bibliographic Details
Published in:FEMS microbiology letters 2005-03, Vol.244 (2), p.341-345
Main Authors: Cankar, Katarina, Kraigher, Hojka, Ravnikar, Maja, Rupnik, Maja
Format: Article
Language:English
Subjects:
Antibiosis
Bacteria
Bacteriology
Biological and medical sciences
Biological control
Biological properties
DNA, Ribosomal - analysis
Embryos
Endophytes
Endosperm
Evergreen trees
Fundamental and applied biological sciences. Psychology
Karst
Microbiology
Pest Control, Biological
Phylogeny
Picea - genetics
Picea - microbiology
Picea abies
Pine trees
Probiotics
Pseudomonas
Rahnella
RNA, Ribosomal, 16S - analysis
rRNA 16S
Seed coats
Seed-associated endophytic bacteria
Seeds
Seeds - microbiology
Systematics
Trees
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Summary:Endophytic bacteria from wooden plants and especially seed-associated endophytes are not well studied. Fresh seeds collected from four Norway spruce trees ( Picea abies) from different locations in the Slovene subalpine region were surface-sterilised and dissected into a seed coat, embryo and endosperm. The presence of endophytes was detected by culturing methods and by direct amplification of the eubacterial 16S rDNA gene. Both approaches identified bacteria from genera Pseudomonas and Rahnella in the Norway spruce seeds. Both are known plant-associated bacteria with growth-promoting properties and biological control potential. We suggest that plant seeds could serve as a vector for transmission of beneficial bacteria.
ISSN:0378-1097
1574-6968
DOI:10.1016/j.femsle.2005.02.008