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7 results for “Badumna”
Are you what you eat? A highly transient and prey-influenced gut microbiome in the grey house spider Badumna longinqua
<p>Stable core microbial communities have been described in numerous animal species and are commonly associated with fitness benefits for their hosts. Recent research, however, highlights examples of species whose microbiota are transient and environmentally derived. Here, we test the effect of diet on gut microbial community assembly in the spider <i>Badumna longinqua</i>. Using 16S rRNA gene amplicon sequencing combined with quantitative PCR, we analyze diversity and abundance of the spider's gut microbes, and simultaneously characterize its prey communities using nuclear rRNA markers. We find a clear correlation between community similarity of the spider's insect prey and gut microbial DNA, suggesting that microbiome assembly is primarily diet-driven . This assumption is supported by a feeding experiment, in which two types of prey – crickets and fruit flies – both substantially altered microbial diversity and community similarity between spiders, but did so in different ways. After cricket consumption, numerous cricket-derived microbes appeared in the spider's gut, resulting in a rapid homogenization of microbial communities among spiders. In contrast, few prey-associated bacteria were detected after consumption of fruit flies; instead, the microbial community was remodeled by environmentally sourced microbes, or abundance shifts of rare taxa in the spider's gut. The reshaping of the microbiota by both prey taxa mimicked a stable core microbiome in the spiders for several weeks post feeding. Our results suggest that the spider's gut microbiome undergoes pronounced temporal fluctuations, that its assembly is dictated by the consumed prey, and that different prey taxa may remodel the microbiota in drastically different ways.</p>
Are you what you eat? A highly transient and prey-influenced gut microbiome in the grey house spider Badumna longinqua
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FIGURES 1–6 in Discovery of the spider family Desidae (Araneae) in South China, with description of a new species of the genus Badumna Thorell, 1890
FIGURES 1–6. Badumna tangae sp. nov. 1. Female body, dorsal view. 2–3. Epigyne. 2, ventral view; 3, internal duct system; 4–5. Male left palp. 4, ventral view; 5, retrolateral view; 6, Tibia, showing tibial apophyses, dorsoretrolateral view. Scale bars: 1, 1 mm; 2–6, 0.1 mm.
Figure 1 in Introduction, distribution and habitats of the invasive spider Badumna longinqua (L. Koch, 1867) (Araneae: Desidae) in Uruguay, with notes on its world dispersion
Figure 1. Some synantropic sites where Badumna longinqua was found in Uruguay. (A) on a fire escape on the eighth floor of a building; (B) in a household electrical system; (C) in a window frame inside a house; (D) in a wall crevice.
Figure 3 in Introduction, distribution and habitats of the invasive spider Badumna longinqua (L. Koch, 1867) (Araneae: Desidae) in Uruguay, with notes on its world dispersion
Figure 3. Records of Badumna longinqua in Uruguay. Black circles indicate known records until nineteenth decade of the twentieth century. White circles indicate records from 2000 to 2010.
Figure 2 in Introduction, distribution and habitats of the invasive spider Badumna longinqua (L. Koch, 1867) (Araneae: Desidae) in Uruguay, with notes on its world dispersion
Figure 2. Eucalyptus plantation occupied by Badumna longinqua in Uruguay. (A) General view of the plantation; (B) view of the barks pending from the trunk where the spider frequently built its web; (C) female and web of Badumna longinqua inside an Eucalyptus bark.
Figure 4 in Introduction, distribution and habitats of the invasive spider Badumna longinqua (L. Koch, 1867) (Araneae: Desidae) in Uruguay, with notes on its world dispersion
Figure 4. Frequency of individuals of Badumna longinqua in sites where species occurred.
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