ArticleExperimental & applied acarology2008
Digestive function of lysozyme in synanthropic acaridid mites enables utilization of bacteria as a food source.
Article in Experimental & applied acarology, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 41 papers.
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Who cites it
41 citing papers in PubMed, 91 citations in OpenAlex.
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- The Effect of Residual Pesticide Application on Microbiomes of the Storage Mite Tyrophagus putrescentiae.Microbial ecology · 2023Article
- Population growth and respiration in the dust mite Dermatophagoides farinae under different temperature and humidity regimes.Experimental & applied acarology · 2023Article
- Lipopolysaccharide detection by the innate immune system may be an uncommon defence strategy used in nature.Open biology · 2022Review
- Sharing a bed with mites: preferences of the house dust mite Dermatophagoides farinae in a temperature gradient.Experimental & applied acarology · 2021Article
- Cheliceral chelal design in free-living astigmatid mites.Experimental & applied acarology · 2021Review
- Microbial Communities of Stored Product Mites: Variation by Species and Population.Microbial ecology · 2021Article
- Whole genomic sequencing and sex-dependent abundance estimation of Cardinium sp., a common and hyperabundant bacterial endosymbiont of the American house dust mite, Dermatophagoides farinae.Experimental & applied acarology · 2020Article
- Population growth of the stored product pest Tyrophagus putrescentiae (Acari: Acaridae) on environmentally and medically important fungi.Experimental & applied acarology · 2019Article
- Population and Culture Age Influence the Microbiome Profiles of House Dust Mites.Microbial ecology · 2019Article
- The Mite Tyrophagus putrescentiae Hosts Population-Specific Microbiomes That Respond Weakly to Starvation.Microbial ecology · 2019Article
- Feather mites play a role in cleaning host feathers: New insights from DNA metabarcoding and microscopy.Molecular ecology · 2019Article
- Proteome and allergenome of the European house dust mite Dermatophagoides pteronyssinus.PloS one · 2019Article
- Two Populations of Mites (Frontiers in microbiology · 2018Article
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Authors and funding
2 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The activity of lysozyme, the enzyme that hydrolyzes peptidoglycan in G(+) bacterial cell walls, was detected in whole mite extracts (WME) and in spent growth medium extracts (SGME) of 14 species of synanthropic mites (Acari: Acaridida). The adaptation of lysozyme for digestive activity and bacteriophagy was based on: (i) high lysozyme activity in SGME, and (ii) the correlation of maximum lysozyme activity at acidic pH values, corresponding to pH in the ventriculus and caeca. We show that the digestion of fluorescein-labeled Micrococcus lysodeikticus cells began in ventriculus and continued during the passage of a food bolus through the gut. The fluorescein was absorbed by midgut cells and penetrated to parenchymal tissues. Eight species showed a higher rate of population growth on a M. lysodeikticus diet than on a control diet. The lysozyme activity in SGME was positively correlated to the standardized rate (r (s)) of population growth, although no correlation was found between r (s) and lysozyme activity in WME. The lysozyme activity in WME was negatively correlated to that in SGME. The highest activity of digestive lysozyme was found in Lepidoglyphus destructor, Chortoglyphus arcuatus and Dermatophagoides farinae. All of these findings indicate that lysozyme in acaridid mites possesses both defensive and digestive functions. The enzymatic properties of mite lysozyme are similar to those of the lysozymes present in the ruminant stomach and in the insect midgut.
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