The Characterization of Melanaphis sacchari Microbiota and Antibiotic Treatment Effect on Insects

Insects are under constant selective pressure, which has resulted in adaptations to novel niches such as crops. This is the case of the pest Melanaphis sacchari, the sugarcane aphid, native to Africa and currently spreading worldwide. The aphid undergoes successful parthenogenesis, causing important...

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Published in:Insects (Basel, Switzerland) Switzerland), 2023-10, Vol.14 (10), p.807
Main Authors: Xoconostle-Cázares, Beatriz, Ramírez-Pool, José Abrahán, Núñez-Muñoz, Leandro Alberto, Calderón-Pérez, Berenice, Vargas-Hernández, Brenda Yazmín, Bujanos-Muñiz, Rafael, Ruiz-Medrano, Roberto
Format: Article
Language:English
Subjects:
Animal reproduction
Antibiotics
Asexual reproduction
Bacteria
Bioassays
Crops
Decay
Economic impact
Farmers
Gene amplification
insect control
Insects
Leaves
Melanaphis sacchari
Microbiomes
Microbiota
Microorganisms
Oxytetracycline
Parthenogenesis
Pest control
Pests
rRNA 16S
Sorghum
Streptomycin
Sugarcane
Survival
Taxonomy
Wolbachia
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Summary:Insects are under constant selective pressure, which has resulted in adaptations to novel niches such as crops. This is the case of the pest Melanaphis sacchari, the sugarcane aphid, native to Africa and currently spreading worldwide. The aphid undergoes successful parthenogenesis, causing important damage to a variety of crops and leading to important economic losses for farmers. A natural M. sacchari population grown in sorghum was studied to identify its microbiome through the sequencing of its 16S rDNA metagenome. A high proportion of Proteobacteria, followed by Firmicutes, Bacteroidetes, and Actinobacteria, was observed. We also detected Wolbachia, which correlates with the asexual reproduction of its host. M. sacchari was challenged in a bioassay with the antibiotics oxytetracycline and streptomycin, resulting in a dose-dependent decay of its survival rate. The possibility of controlling this pest by altering its microbiota is proposed.
ISSN:2075-4450
2075-4450
DOI:10.3390/insects14100807