![]() In contrast, relative abundances of taxa within the Acidobacteria increased. Alphaproteobacteria decreased significantly in oil palm samples compared to rainforest samples. Community composition differed significantly between the converted land use systems and rainforest reference sites. Active soil bacterial communities were dominated by Frankiales ( Actinobacteria), subgroup 2 of the Acidobacteria and Alphaproteobacteria (mainly Rhizobiales and Rhodospirillales). For this purpose, bacterial communities of three different converted systems (jungle rubber, rubber plantation, and oil palm plantation) were studied in two landscapes with rainforest as reference by RT-PCR amplicon-based analysis of 16S rRNA gene transcripts. Here, we present the first RNA-based study on the effects of rainforest transformation to rubber and oil palm plantations in Indonesia for the active soil bacterial communities. The ongoing conversion of rainforest to agricultural systems results in high biodiversity loss. Palm oil production in Indonesia increased constantly over the last decades, which led to massive deforestation, especially on Sumatra island. ![]() 2Department of Biology, Faculty of Mathematics and Natural Sciences IPB, Bogor Agricultural University, Bogor, Indonesia.1Genomic and Applied Microbiology and Göttingen Genomics Laboratory, Institute of Microbiology and Genetics, Georg-August-University, Göttingen, Germany.Dirk Berkelmann 1 Dominik Schneider 1 Martin Engelhaupt 1 † Melanie Heinemann 1 Stephan Christel 1 ‡ Marini Wijayanti 2 Anja Meryandini 2 Rolf Daniel 1* ![]()
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