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Insects
Special Issues
Immunity and Host-Microbe Interactions in Insects
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Immunity and Host-Microbe Interactions in Insects

A special issue of Insects (ISSN 2075-4450). This special issue belongs to the section "Insect Physiology, Reproduction and Development".

Deadline for manuscript submissions: closed (1 June 2022) | Viewed by 5722

Special Issue Editor

Dr. Igor Iatsenko

E-Mail Website
Guest Editor
Max Planck Institute for Infection Biology, 10117 Berlin, Germany
Interests: host–microbe interactions; insect immunity

Special Issue Information

Dear Colleagues,

Insects are constantly exposed to diverse pathogens, including bacteria, fungi, parasites, and viruses. Therefore, insects evolved efficient mechanisms of pathogen recognition and a plethora of defense strategies against pathogen attacks. While these defense mechanisms have to be effective at eliminating the invading pathogens, they should also preserve the beneficial microbial communities (microbiota) colonizing various parts and organs of insect bodies. Microbiota, beyond affecting various aspects of the host physiology, are integral players mediating the host interactions with pathogens.  While microbiota can act as a protective barrier against pathogens, they can also promote infections, either by affecting the host physiology or pathogen virulence. Understanding the complex relationships between the host defense responses, pathogens, and microbiota is necessary to elucidating the mechanisms of disease. This Special Issue of Insects will include original research articles and reviews, with a focus on insect immunity and defense mechanisms; host–pathogen, host–microbiota, and host–pathogen–microbiota interactions; pathogen virulence and the impact of microbiota on insect physiology; the interplay between insect pathogens and microbiota.

Dr. Igor Iatsenko
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Insects is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • pathogens
  • virulence
  • mutualism
  • pathogenicity
  • insect immunity
  • microbiota
  • host–pathogen interactions
  • host–microbiota interactions
  • pathogen–microbiota interplay

Published Papers (2 papers)

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Research

17 pages, 1582 KiB  
Article
Bacteriota and Antibiotic Resistance in Spiders
by Miroslava Kačániová, Margarita Terentjeva, Przemysław Łukasz Kowalczewski, Mária Babošová, Jana Ivanič Porhajašová, Wafaa M. Hikal and Mariia Fedoriak
Insects 2022, 13(8), 680; https://0-doi-org.brum.beds.ac.uk/10.3390/insects13080680 - 27 Jul 2022
Cited by 2 | Viewed by 2008
Abstract
Arthropods are reported to serve as vectors of transmission of pathogenic microorganisms to humans, animals, and the environment. The aims of our study were (i) to identify the external bacteriota of spiders inhabiting a chicken farm and slaughterhouse and (ii) to detect antimicrobial [...] Read more.
Arthropods are reported to serve as vectors of transmission of pathogenic microorganisms to humans, animals, and the environment. The aims of our study were (i) to identify the external bacteriota of spiders inhabiting a chicken farm and slaughterhouse and (ii) to detect antimicrobial resistance of the isolates. In total, 102 spiders of 14 species were collected from a chicken farm, slaughterhouse, and buildings located in west Slovakia in 2017. Samples were diluted in peptone buffered water, and Tryptone Soya Agar (TSA), Triple Sugar Agar (TSI), Blood Agar (BA), and Anaerobic Agar (AA) were used for inoculation. A total of 28 genera and 56 microbial species were isolated from the samples. The most abundant species were Bacillus pumilus (28 isolates) and B. thuringensis (28 isolates). The least isolated species were Rhodotorula mucilaginosa (one isolate), Kocuria rhizophila (two isolates), Paenibacillus polymyxa (two isolates), and Staphylococcus equorum (two isolates). There were differences in microbial composition between the samples originating from the slaughterhouse, chicken farm, and buildings. The majority of the bacterial isolates resistant to antibiotics were isolated from the chicken farm. The isolation of potentially pathogenic bacteria such as Salmonella, Escherichia, and Salmonella spp., which possess multiple drug resistance, is of public health concern. Full article
(This article belongs to the Special Issue Immunity and Host-Microbe Interactions in Insects)
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12 pages, 1158 KiB  
Article
Inhibition of Zoonotic Pathogens Naturally Found in Pig Manure by Black Soldier Fly Larvae and Their Intestine Bacteria
by Osama Elhag, Yuanpu Zhang, Xiaopeng Xiao, Minmin Cai, Longyu Zheng, Heather R. Jordan, Jeffery K. Tomberlin, Feng Huang, Ziniu Yu and Jibin Zhang
Insects 2022, 13(1), 66; https://0-doi-org.brum.beds.ac.uk/10.3390/insects13010066 - 07 Jan 2022
Cited by 15 | Viewed by 3161
Abstract
Black soldier fly (BSF) larvae are often exposed to organic waste which harbors abundant zoonotic pathogens. We investigated the ability of BSF larvae to inhibit the zoonotic pathogens naturally found in pig manure. The zoonotic pathogens populations were detected by using selective medium [...] Read more.
Black soldier fly (BSF) larvae are often exposed to organic waste which harbors abundant zoonotic pathogens. We investigated the ability of BSF larvae to inhibit the zoonotic pathogens naturally found in pig manure. The zoonotic pathogens populations were detected by using selective medium during the conversion. Results showed that the viability of the zoonotic pathogens in pig manure was significantly affected. After eight days of conversion, the Coliform populations were undetected, and Staphylococcus aureus and Salmonella spp. decreased significantly on the eighth day. Antimicrobial assays of the purified recombinant defensin-like peptide 4 (DLP4) showed that this peptide exhibits inhibitory activity against S. aureus, Salmonella enterica serovar typhimurium, and Escherichia coli in vitro. Bacteria BSF-CL and BSF-F were isolated from the larvae gut, and both inhibited the growth of S. aureus and E. coli, but Salmonella spp. was sensitive to the BSF-CL strain (but not to the BSF-F strain). The results from our experiments indicate that BSF larvae are capable of functionally inhibiting potential zoonotic pathogens in pig manure through a variety of mechanisms including antimicrobial peptides expression and the gut associate microorganisms. This study provides a theoretical basis for further study on the combined mechanism of BSF larvae immunity and its gut microbes against the zoonotic pathogens in pig manure. Full article
(This article belongs to the Special Issue Immunity and Host-Microbe Interactions in Insects)
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