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Applied and Environmental Microbiology, July 2000, p. 3073-3077, Vol. 66, No. 7
0099-2240/00/$04.00+0
Copyright © 2000, American Society for Microbiology. All rights reserved.
Detection of Intracellular Bacteria in the Buds of
Scotch Pine (Pinus sylvestris L.) by In Situ
Hybridization
Anna Maria
Pirttilä,1,2,*
Hanna
Laukkanen,1
Helmut
Pospiech,2
Raili
Myllylä,2 and
Anja
Hohtola1
Department of
Biology/Botany1 and Department of
Biochemistry,2 University of Oulu, Oulu,
Finland
Received 25 October 1999/Accepted 10 April 2000
Bacterial isolates were obtained from pine (Pinus
sylvestris L.) tissue cultures and identified as
Methylobacterium extorquens and Pseudomonas
synxantha. The existence of bacteria in pine buds was
investigated by 16S rRNA in situ hybridization. Bacteria inhabited the
buds of every tree examined, primarily colonizing the cells of scale
primordia and resin ducts.
*
Corresponding author. Mailing address: Department of
Biology/Botany, P.O.B. 3000, FIN-90014 University of Oulu, Finland.
Phone: 358-8-553 1547. Fax: 358-8-553 1500. E-mail:
AM.Pirttila{at}oulu.fi.
Applied and Environmental Microbiology, July 2000, p. 3073-3077, Vol. 66, No. 7
0099-2240/00/$04.00+0
Copyright © 2000, American Society for Microbiology. All rights reserved.
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