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The Relationship Between Soil and Gut Microbiota Influences the Adaptive Strategies of Goitered Gazelles in the Qaidam Basin.
Animals (Basel)
December 2024
State Key Laboratory of Plateau Ecology and Agriculture, Qinghai University, Xining 810016, China.
The gut microbiota is integral to the health and adaptability of wild herbivores. Interactions with soil microbiota can shape the composition and function of the gut microbiota, thereby influencing the hosts' adaptive strategies. As a result, soil microbiota plays a pivotal role in enabling wild herbivores to thrive in extreme environments.
View Article and Find Full Text PDFCharacterization of lipases revealed tissue-specific triacylglycerol hydrolytic activity in Spodoptera frugiperda.
Insect Sci
November 2024
Key Laboratory of Integrated Management of Crop Diseases and Pests (Ministry of Education), College of Plant Protection, Nanjing Agricultural University, Nanjing, China.
Article Synopsis
- Lipids are crucial for the development and reproduction of insects, with lipases being key enzymes in lipid metabolism; a study identified 110 lipase genes in the Spodoptera frugiperda genome.
- Most lipases were found to be neutral lipases, predominantly expressed in the larval gut, and displayed diet-specific expression patterns indicating adaptation to their hosts.
- While neutral lipases in the gut showed a loss of triacylglycerol (TAG) hydrolytic activity, they retained this activity in the fat body, suggesting different roles for lipases in male and female reproduction, which could be targeted for new insecticide development.
De Novo Long-Read Genome Assembly and Annotation of the Mosquito Gut-Dwelling Fungus, Smittium minutisporum.
Genome Biol Evol
December 2024
Department of Biological Sciences, University of Toronto Scarborough, Toronto, ON, Canada M1C 1A4.
Mosquito guts host a variety of microbes, yet fungi are often overlooked. Smittium (Harpellales, Zoopagomycota) comprises numerous species that are obligate symbionts residing in the hindgut of mosquito larvae. Despite their association with pathogen-bearing vectors, these fungal symbionts remain understudied, largely due to the lack of high-quality genome resources.
View Article and Find Full Text PDFInfluence of different diet categories on gut bacterial diversity in Frankliniella occidentalis.
Environ Entomol
November 2024
Institute of Entomology, Guizhou University, Guiyang, P. R. China.
Article Synopsis
- The microbial composition in the guts of western flower thrips (WFT) is influenced by their diet, affecting both their food habits and the gut bacteria present.
- A study analyzed gut bacteria from WFT feeding on different plant parts, revealing that those on rose flowers had the highest bacterial diversity, while those on kidney bean pods showed the greatest abundance.
- Dominant gut microbes included Proteobacteria across all populations, with diet-specific variations in other bacteria, indicating that diet significantly shapes the gut microbiota in WFT and could impact their ecological adaptability.
The fall armyworm converts maize endophytes into its own probiotics to detoxify benzoxazinoids and promote caterpillar growth.
Microbiome
November 2024
Ecology and Environment College, Southwest Forestry University, Kunming, 650224, China.
Background: The fall armyworm (FAW, Spodoptera frugiperda) threatens maize production worldwide, and benzoxazinoids (Bxs) are known as the main secondary metabolites produced by maize to defend against FAW. However, we do not yet know whether and in what ways certain endophytes in the digestive system of FAW can metabolize Bxs, thus enhancing the fitness of FAW when feeding on maize.
Results: Using Bxs as the sole carbon and nitrogen source, we isolated Pantoea dispersa from the guts of FAW.
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