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Open research questions in Invertebrate Immune Response Mechanisms

25 unresolved questions extracted from the limitations and future-work sections of 107 Invertebrate Immune Response Mechanisms papers in our library. Each links back to the study that raised it.

What the literature leaves open

  • ABSTRACT The larva‐to‐pupa transition in honey bees ( Apis mellifera ) involves extensive neural remodeling, yet the molecular dynamics of brain development and their relationship with the surrounding microbial environment remain poorly characterized.

    Brain Transcriptomic Reprogramming and Comb‐Associated Microbiome Variation During the Larva‐To‐Pupa Transition in Apis Mellifera · 2026 · DOI

  • ImportanceMany beneficial bacteria that live inside insects have highly reduced genomes, but little is known about the transitional stages that occur as free-living microbes evolve into obligate symbionts.

    Expansive pseudogenization and incipient genome degradation of an obligate fruit fly-bacterial mutualism · 2026 · DOI

  • Bcl-2 genes were detected only in UVB-treated red spherule cells using scRNAseq but were not detected in bulk RNAseq analysis, reflecting the enhanced resolution of scRNAseq in capturing cell-type-specific signals that may be diluted in bulk RNAseq.

    UVB-induced genotoxic stress activates the DNA damage response and innate immune pathways in sea urchin coelomocytes · 2026 · DOI

  • This work highlights the utility of anti-Phospho PTM substrate motif antibodies as screening tools in non-traditional model organisms and enables future follow-up PTM-proteomic studies to identify key protein regulators.

    UVB-induced genotoxic stress activates the DNA damage response and innate immune pathways in sea urchin coelomocytes · 2026 · DOI

  • Functional characterization of TP63 and other tumor suppressors in sea urchins is expected to provide further insight into their role in maintaining genome stability in germline and somatic tissues.

    UVB-induced genotoxic stress activates the DNA damage response and innate immune pathways in sea urchin coelomocytes · 2026 · DOI

  • Only a few ribosomal proteins have been demonstrated to directly participate in regulating the DDR pathway, highlighting potential unexplored ribosomal proteins with extra-ribosomal functions.

    UVB-induced genotoxic stress activates the DNA damage response and innate immune pathways in sea urchin coelomocytes · 2026 · DOI

  • While the phosphopeptide signal for ATM/ATR substrate motifs tended to be higher in UVB-treated samples, there was no significant difference between UVB-treated and control samples (p = 0.07), suggesting need for further investigation with larger sample sizes or alternative approaches.

    UVB-induced genotoxic stress activates the DNA damage response and innate immune pathways in sea urchin coelomocytes · 2026 · DOI

  • The limitations of this study are that the key genes and microorganisms identified were not experimentally validated for their direct roles in plastic degradation, and that plastic-specific responses could not be fully distinguished from general stress responses.

    Incorporating starved controls reveals plastic-degrading genes and microbes in Zophobas atratus larvae by resolving stress-induced confounding effects · 2026 · DOI

  • This article provides a short summary of claims that were found to have contradictory evidence, which may help the community to assess past findings on Drosophila immunity and improve clarity going forward.

    Replicability of Scientific Claims in Drosophila Immunity: A Retrospective Analysis of 400 Publications · 2026 · DOI

  • Although some results have been contradicted in the literature, many have no published follow-up, either due to a lack of research or low motivation to publish negative or contradictory results.

    Replicability of Scientific Claims in Drosophila Immunity: A Retrospective Analysis of 400 Publications · 2026 · DOI

  • Alternative splicing (AS) increases transcriptomic diversity; however, its role in teleost larval nutritional physiology remains undetermined.

    Alternative Splicing Dynamics Associated with Nutritional Transition and Starvation-Induced PNR in Leiocassis longirostris Larvae · 2026 · DOI

  • Untargeted metabolomics revealed marked reorganization of nitrogen and energy metabolism, while oxidative indicators suggested that cellular defenses were insufficient to fully counteract stress.

    Chronic ammonia nitrogen induces integrated metabolic and immune reprogramming in the hepatopancreas of Macrobrachium rosenbergii · 2026 · DOI

  • Aeromonas hydrophila is an important causative agent of NSTIs, but the bacterial mechanisms that promote tissue destruction, in vivo expansion, dissemination, and host lethality remain incompletely understood.

    The GspCD-dependent type II secretion system promotes necrotizing soft tissue infection caused by Aeromonas hydrophila · 2026 · DOI

  • Our results reveal that restoration of microbial abundance alone is insufficient to rescue social behavior and highlight the importance of functional host–microbe interactions in gut–brain communication.

    Microbiota-Based Interventions Differentially Rescue Gut and Social Behavior Phenotypes in Drosophila with Kdm5 Deficiency · 2026 · DOI

  • Interestingly, recent studies have shown that CrIV is often present asymptomatically, yet the molecular basis of the emergence of disease symptoms remains unknown.

    Differential Gene Expression in the Tropical House Cricket and Its Iridovirus in Healthy versus Diseased Specimens · 2026 · DOI

  • The strong transcriptional activation observed in vibratile cells is more unexpected, as these cells are less abundant in whole coelomic fluid and are generally not well characterized, requiring further investigation.

    UVB-induced genotoxic stress activates the DNA damage response and innate immune pathways in sea urchin coelomocytes · 2026 · DOI

  • Linden bugs and cotton leaf worms have been suggested as new alternative models for ecological and drug toxicology but no data on their haemocyte physiology have been published.

    Phagocytosis of insect haemocytes as a new alternative model · 2012 · DOI

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25 open questions have been extracted from the limitations and future-work passages of 107 Invertebrate Immune Response Mechanisms papers in our library. Each one below links back to the study that raised it, so you can read the original claim in context.

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