Diversity of Endophytic Bacteria in Forest Trees

Chapter
Part of the Forestry Sciences book series (FOSC, volume 80)

Abstract

A group of studies on the diversity of endophytic bacteria in forest trees is presented in terms of host plant species variety and the number of reports. Many host tree species are underrepresented in these studies: Trees in the tropics as well as some important temperate tree species, such as those belonging to the genera of Alnus and Fagus, have not yet been investigated.

Endophytic bacterial diversity, on the other hand, covers a wide range of bacterial phyla including Proteobacteria, Actinobacteria and Firmicutes. The endophytic bacteria related to the genus Acinetobacter occur more frequently in forest trees than in agricultural crops.

Population densities of endophytic bacteria in trees vary from 101 to 106 per gram of sample. The genera Pseudomonas and Bacillus comprise the major groups of the endophytic bacterial community, and the genera Actinobacteria, Acinetobacter and Sphingomonas make up a significant proportion of the community in many trees.

More studies are required, particularly through cultivation-independent approaches, to obtain a better picture of the diversity of endophytic bacteria in forest trees.

Keywords

Forest Tree Endophytic Bacterium Host Plant Species Forest Tree Species Bacterial Endophyte 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Acknowledgement

This work was financially supported by by a postdoc grant from the Department of Forest Mycology and Pathology, SLU.

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Copyright information

© Springer Science+Business Media B.V. 2011

Authors and Affiliations

  1. 1.Uppsala BioCenter, Department of Forest Mycology and PathologySLUUppsalaSweden

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