Response of rhizosphere bacterial community of Taxus chinensis var. mairei to temperature changes

Autoři: Xianghua Yu aff001;  Xinxing Liu aff001;  Xueduan Liu aff001
Působiště autorů: School of Minerals Processing and Bioengineering, Central South University, Changsha, China aff001;  Key Laboratory of Biometallurgy of Ministry of Education, Central South University, Changsha, China aff002;  Key Laboratory of Hunan Province for Comprehensive Utilization of Superiority Plant Resources in Southern Hunan, Hunan University of Science and Engineering, Yongzhou, Hunan, China aff003
Vyšlo v časopise: PLoS ONE 14(12)
Kategorie: Research Article
doi: 10.1371/journal.pone.0226500



Temperature is a key factor influencing the growth and distribution of Taxus chinensis var. mairei, which is of high medicinal value. However, there is little information about the changes in rhizosphere bacterial community of Taxus chinensis var. maire under different temperatures.


In this study, the rhizosphere bacterial communities of Taxus chinensis var. maire under a series of temperatures [5°C (T5), 15°C (T15), 25°C (T25), 35°C (T35)] were assessed through high-throughput sequencing. And some taxa annotated as Mitochondria were positively correlated with the activity of SOD.


Activity of peroxidase (POD) and superoxide dismutase (SOD) were increased and decreased respectively with increasing incubation temperature, showing that SOD may be the dominant reactive oxygen species (ROS) detoxifying enzyme in Taxus chinensis var. maire under low temperature. Taxus chinensis var. maire enriched specific bacterial taxa in rhizosphere under different temperature, and the rhizosphere bacterial diversity decreased with increasing temperature.


The results indicated that rhizosphere bacteria may play important role for Taxus chinensis var. maire in coping with temperature changes, and the management of rhizosphere bacteria in a potential way to increase the cold resistance of Taxus chinensis var. mairei, thus improving its growth under low temperature and enlarging its habitats.

Klíčová slova:

Bacteria – Leaves – Medicinal plants – Plant resistance to abiotic stress – Rhizosphere – Sequence databases – Superoxide dismutase – Thermal stresses


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2019 Číslo 12