Plant Protect. Sci., 2017, 53(1):32-43 | DOI: 10.17221/14/2016-PPS

Characterisation of endophytic bacteria from a desert plant Lepidium perfoliatum L.Original Paper

Yuanting LI, Cong CHENG, Dengdi AN*
Xinjiang Key Laboratory of Special Species Conservation and Regulatory Biology, College of Life Science, Xinjiang Normal University, Xinjiang, P.R. China

Sixty-two endophytic bacteria from the leaves, roots, and stems of healthy Lepidium perfoliatum L. were isolated and characterised. From the results, 89, 87, 90, and 97% isolates could tolerate 12% NaCl, 30% PEG 6000, 50°C and pH 10, respectively. 74% isolates could form a biofilm. Besides, 28 isolates could improve the germination rate of host seeds under different degree of drought stress. These data suggest that the endophyte isolates show considerable resistance to abiotic stress and assist their plant hosts to germinate under drought stress.

Keywords: Lepidium perfoliatum L.; endophytic bacterial diversity; biofilm; salt tolerance; drought tolerance

Published: March 31, 2017  Show citation

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Yuanting L, CHENG C, Dengdi A. Characterisation of endophytic bacteria from a desert plant Lepidium perfoliatum L. Plant Protect. Sci. 2017;53(1):32-43. doi: 10.17221/14/2016-PPS.
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