Stress response of Lymantria dispar asiatica (Lepidoptera: Erebidae) larvae and its gut microbiota to manganese ion

To study the effect of manganese exposure on the herbivorous insect Lymantria dispar asiatica, fourth-instar larvae were fed a MnCl 2 -amended diet (LdMn) for 84 h (0.40 mmol MnCl 2 /g diet). Larvae were weighed before and after the diet administration to assess larval gain in mass under manganese e...

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Bibliographic Details
Published in:Journal of forestry research 2021-06, Vol.32 (3), p.1241-1251
Main Authors: Zeng, Jianyong, Guo, Jiaxing, Shi, Jianghong, Shi, Zhongbin, Zhang, Guocai, Zhang, Jie
Format: Article
Language:English
Subjects:
Abundance
Antioxidants
Biomedical and Life Sciences
Diet
Digestive system
Enzymatic activity
Enzymes
Exposure
Forestry
Gastrointestinal tract
Gypsy moth
Insects
Intestinal microflora
Intestine
Larvae
Life Sciences
Liquid nitrogen
Lymantria dispar
Manganese
Manganese ions
Microbiota
Microbiota (Symbiotic organisms)
Microorganisms
Nitrogen
Original Paper
Physiological aspects
Polyphenol oxidase
Relative abundance
rRNA 16S
Venn diagrams
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Summary:To study the effect of manganese exposure on the herbivorous insect Lymantria dispar asiatica, fourth-instar larvae were fed a MnCl 2 -amended diet (LdMn) for 84 h (0.40 mmol MnCl 2 /g diet). Larvae were weighed before and after the diet administration to assess larval gain in mass under manganese exposure. The whole bodies of half of the survivors were ground in liquid nitrogen for measuring enzyme activities and total antioxidant capacity (T-AOC). The intestinal tracts of the remaining survivors were collected and immediately frozen in liquid nitrogen for 16S rDNA sequencing of gut microbiota. Larvae under manganese stress lost significant mass ( p  
ISSN:1007-662X
1993-0607
DOI:10.1007/s11676-020-01160-4