Diet Influences the Gut Microbial Diversity and Olfactory Preference of the German Cockroach Blattella germanica

Zhu, Jian; Wu, Yinghua; Lin, Fang; Li, Guodong; Wang, Jiali; Wei, Jiaqi; Xu, Hanhong

doi:10.1007/s00284-022-03123-w

Cited by 7 publications

(4 citation statements)

References 48 publications

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“…A commonality between these experiments is that the investigators utilized complex, minimally processed or whole food diets that were highly biased in macromolecular composition. On the other hand, a few investigators have previously observed substantial influence of diet on the gut microbiome composition [25][26][27]. These experiments all utilized synthetic diets that contained purified carbohydrate and protein sources.…”

Section: Discussionmentioning

confidence: 99%

“…These experiments all utilized synthetic diets that contained purified carbohydrate and protein sources. For example, in experiments using B. germanica, Pérez-Cobas et al [26] prepared synthetic diets with a dextrin and micronutrient base amended with either 50% cellulose or 50% casein while Zhu et al [27] used diets composed of a cellulose and micronutrient base with supplemented with 40% by mass purified starch, casein, or sesame oil. In P. americana, Bertino-Grimaldi et al [25] utilized purified cellulose to compare with sugarcane bagasse, a complex dietary substrate.…”

Section: Discussionmentioning

confidence: 99%

“…Further, the extreme dietary flexibility conferred by Blattabacterium endosymbionts and the unique ability for cockroaches to store nitrogen as uric acid for future use facilitates extensive dietary manipulation [20][21][22]. Studies of cockroach gut microbiome responses to diet have generated contrasting responses, with multiple large-scale studies finding that the gut microbiome is highly stable following dietary shifts [14,23,24], while others have demonstrated shifts in response to select diets [25][26][27]. Currently, there is no consensus on why these studies produced differing results and comparison is difficult due to inconsistent use of synthetic, natural, or whole food diets across studies.…”

Section: Introductionmentioning

confidence: 99%

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Synthetic diets containing a single polysaccharide disrupt gut microbial community structure and microbial interaction networks in the American cockroach

Dockman,

Ottesen

2024

Preprint

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Achieving and maintaining a healthy gut microbiome has numerous benefits for the host. Host diet plays a key role in shaping the gut microbial community, and understanding how diet composition influences gut microbiome structure and stability is key to developing effective interventions to treat gut microbiome dysbiosis. We use the American cockroach (Periplaneta americana) as a model system to dissect the response of gut microbes to host diet modification. Here, we designed synthetic diets from lab-grade, purified ingredients to identify how the cockroach gut community responds to different carbohydrate components (chitin, methylcellulose, microcrystalline cellulose, pectin, starch, xylan) in otherwise balanced diets. Using 16S rRNA gene sequencing, we show that synthetic diets produce replicable shifts in the cockroach gut community diversity and phylogenetic composition, with xylan-fed insects displaying the largest alterations. Comparison with cockroaches fed whole-food diets reveal that, rather than introducing new microbes, synthetic diets alter microbiome composition by inducing blooms among taxa present basally within the cockroach gut community. Synthetic diets are also associated with less-robust, more fragmentary microbial co-occurrence networks compared to cockroaches fed whole-food diets. Our results highlight the utility of lab-grade artificial diets in microbiome research and shed light on how purified polysaccharides may exert more influence over a stable gut community to generate noticeable change than whole food-derived fibers.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Synthetic diets containing a single polysaccharide disrupt gut microbial community structure and microbial interaction networks in the American cockroach

Dockman,

Ottesen

2024

Preprint

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“…Studies have also reported that diets containing different components affected the intestinal microflora of insects. For example, high-fat diet, high-protein diet and high-starch diet led to significant differences in the intestinal microflora of Blattella germanica [ 45 ], which may also be one of the reasons why dietary components affect the growth, development and reproduction of insects. Therefore, in this study, the gut microbiota of H. axyridis feeding on different diets was determined for exploring the reasons why artificial diets limited the development and reproduction.…”

Section: Discussionmentioning

confidence: 99%

Analysis of gut microbiota of ladybug beetle (Harmonia axyridis) after feeding on different artificial diets

Xie,

Chao,

Wan

et al. 2024

BMC Microbiol

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Background Harmonia axyridis is an effective natural enemy insect to a variety of phloem-sucking pests and Lepidopteran larvae, such as aphids, scabies, and phylloxera, while its industrial production is limited due to unmature artificial diet. Insect intestinal microbiota affect host development and reproduction. The aim of this study is to understand intestinal microbiota composition of H. axyridis and screen effective probiotics on artificial diet. Considering the role of the components and composition of the diet on the structure and composition of the intestinal microbiome, four kinds of diets were set up: (1) aphid; (2) basic diet; (3) basic diet + glucose; (4) basic diet + trehalose. The gut microbiota of H. axyridis was detected after feeding on different diets. Results Results showed that the gut microbiota between artificial diet group and aphid groups were far apart, while the basic and glucose groups were clearly clustered. Besides, the glucose group and trehalose group had one unique phylum, Cryptophyta and Candidatus Saccharibacteria, respectively. The highest abundance of Proteobacteria was found in the aphid diet. The highest abundance of Firmicutes was found in the basic diet. However, the addition of glucose or trehalose alleviated the change. In addition, the relative abundance of Enterobacter, Klebsiella, Enterobacteriaceae_unclassified, Enterobacteriales_unclassified and Serratia in the aphid group was higher than other groups. Moreover, the function of gut genes in each group also showed clear differences. Conclusion These results have offered a strong link between artificial diets and gut microbes, and also have provided a theoretical basis for the screening of synergistic probiotics in artificial diet.

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Pinworm Blatticola blattae infection and survival of starving German cockroach Blattella germanica

Kobayashi,

Taira

2024

Parasitol Res

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Diet Influences the Gut Microbial Diversity and Olfactory Preference of the German Cockroach Blattella germanica

Cited by 7 publications

References 48 publications

Synthetic diets containing a single polysaccharide disrupt gut microbial community structure and microbial interaction networks in the American cockroach

Synthetic diets containing a single polysaccharide disrupt gut microbial community structure and microbial interaction networks in the American cockroach

Analysis of gut microbiota of ladybug beetle (Harmonia axyridis) after feeding on different artificial diets

Pinworm Blatticola blattae infection and survival of starving German cockroach Blattella germanica

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