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Brief Report

Effects of Drought Stress on Peramine and Lolitrem B in Epichloë-Endophyte-Infected Perennial Ryegrass

by
Weihu Lin
1,2,
Chengfen Gao
3,
Jianjun Wang
1,
Wenbo Xu
1,
Meining Wang
1,
Miaomiao Li
1,
Bihua Ma
1 and
Pei Tian
1,*
1
State Key Laboratory of Grassland Agro-Ecosystems, Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou 730020, China
2
Institute of Rural Development, Gansu Provincial Academy of Social Sciences, Lanzhou 730071, China
3
Gansu Grassland Technical Extension Station, Lanzhou 730010, China
*
Author to whom correspondence should be addressed.
Life 2022, 12(8), 1207; https://doi.org/10.3390/life12081207
Submission received: 19 July 2022 / Revised: 3 August 2022 / Accepted: 4 August 2022 / Published: 8 August 2022
(This article belongs to the Special Issue Updates on Abiotic Stress Signaling and Response in Plants)
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Abstract

Perennial ryegrass (Lolium perenne) infected by Epichloë endophytes contains alkaloids that are responsible for toxicosis in many countries. Drought may greatly affect the alkaloids contents of symbionts. The E+ perennial ryegrass was grown in pots with different soil moisture conditions (15%, 30%, 45% and 60% relative saturation moisture content, RSMC) for four months in a greenhouse of Lanzhou University, and then, the aboveground tissues were collected. The levels of peramine and lolitrem B in all plant samples were determined. The results showed that the drought stress significantly (p < 0.05) increased the peramine concentrations of perennial ryegrass but did not affect the lolitrem B concentrations. In addition, the drought stress significantly (p < 0.05) reduced the plant height and dry matter of perennial ryegrass. In conclusion, drought stress affects the peramine concentration in the perennial ryegrass–endophyte symbiont but may not affect the lolitrem B concentration.
Keywords: Lolium perenne; endophytes; alkaloids; drought stress Lolium perenne; endophytes; alkaloids; drought stress

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MDPI and ACS Style

Lin, W.; Gao, C.; Wang, J.; Xu, W.; Wang, M.; Li, M.; Ma, B.; Tian, P. Effects of Drought Stress on Peramine and Lolitrem B in Epichloë-Endophyte-Infected Perennial Ryegrass. Life 2022, 12, 1207. https://doi.org/10.3390/life12081207

AMA Style

Lin W, Gao C, Wang J, Xu W, Wang M, Li M, Ma B, Tian P. Effects of Drought Stress on Peramine and Lolitrem B in Epichloë-Endophyte-Infected Perennial Ryegrass. Life. 2022; 12(8):1207. https://doi.org/10.3390/life12081207

Chicago/Turabian Style

Lin, Weihu, Chengfen Gao, Jianjun Wang, Wenbo Xu, Meining Wang, Miaomiao Li, Bihua Ma, and Pei Tian. 2022. "Effects of Drought Stress on Peramine and Lolitrem B in Epichloë-Endophyte-Infected Perennial Ryegrass" Life 12, no. 8: 1207. https://doi.org/10.3390/life12081207

APA Style

Lin, W., Gao, C., Wang, J., Xu, W., Wang, M., Li, M., Ma, B., & Tian, P. (2022). Effects of Drought Stress on Peramine and Lolitrem B in Epichloë-Endophyte-Infected Perennial Ryegrass. Life, 12(8), 1207. https://doi.org/10.3390/life12081207

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