Actinobacterial community and diversity in rhizosphere soils of Aquilaria crassna Pierre ex Lec assessed by RT-PCR and PCR-DGGE

► DGGE showed that the community was separated corresponding to sampling sites. ► Soil and local climatic conditions shape the actinobacterial community. ► The shift in diversity between two seasons was detected in all sampling sites. ► At all sampling sites, species diversity increased in rainy season.