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Position: Home > Articles > Effects of Paranosema Iocustae (Microsporidia) on the development and morphological phase transformation of Locusta migratoria (Orthoptera: Acrididae) through modulation of the neurotransmitter taurine Journal of Integrative Agriculture 2020,19 (1)

Effects of Paranosema Iocustae (Microsporidia) on the development and morphological phase transformation of Locusta migratoria (Orthoptera: Acrididae) through modulation of the neurotransmitter taurine

作  者:
Li Ao-mei;Yin Yue;Zhang Yu-xin;Zhang Liu;Zhang Kai-qi;Shen Jie;Tan Shu-qian;Shi Wang-peng
单  位:
China Agr Univ, Coll Plant Protect, MOA Key Lab Pest Monitoring & Green Management, Beijing 100193, Peoples R China;China Agr Univ, Coll Plant Protect, Dept Entomol, Beijing 100193, Peoples R China
关键词:
Locusta migratoria;Paranosema locustae;neurotransmitter;taurine;morphological characteristics
摘  要:
Neurotransmitters are important in the maintenance of phase transformation of Locusta migratoria (Arthropoda: Orthoptera). Here, the effects of the entomopathogen Paranosema locustae on the neurotransmitter taurine in migratory locusts were studied using biochemical methods. After inoculation with P. locustae, the taurine content of infected locusts significantly declined, but F/C values (ratio between the length of hind femur and the width of the head of locust) increased significantly, compared to healthy locusts. Meanwhile, F/C values of infected locusts that were injected with 2 mu g of taurine showed no significant differences from those of healthy locusts, demonstrating that supplemental taurine inhibited the changes in morphological phase caused by P. locustae. Paranosema Iocustae infection also caused longer developmental durations and lower body weights of locusts, but these changes were unaffected after injection with taurine. These results provided new insights into the mechanisms by which microsporidian parasites affected their locust hosts.

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