Related Experiment Video
Updated: Sep 17, 2025

15:31
Tissue Collection of Bats for -Omics Analyses and Primary Cell Culture
Published on: October 23, 2019
12.4K
Diverse hosts, diverse immune systems: Evolutionary variation in bat immunology
Daniel J Becker1, Amanda Vicente-Santos1, Ashley B Reers2
1School of Biological Sciences, University of Oklahoma, Norman, Oklahoma, USA.
Annals of the New York Academy of Sciences
|July 3, 2025
Summary
Bat immunology is diverse, with varying immune strategies across species. Further research is crucial to understand the ecological and evolutionary drivers of this immunological diversity in Chiroptera (bats).
Area of Science:
- * Comparative immunology
- * Evolutionary biology
- * Zoonotic disease ecology
Background:
- * Bats (order Chiroptera) host zoonotic pathogens without disease, prompting interest in their unique immunology.
- * Over 20% of mammalian species, bats exhibit extreme ecological and evolutionary diversity, suggesting immunological heterogeneity.
- * Interspecific variation in bat immunological diversity is increasingly recognized but not fully understood.
Purpose of the Study:
- * To review the ecological and evolutionary diversity of Chiroptera.
- * To highlight diverse immune strategies across bat species, including responses to SARS-CoV-2.
- * To propose hypotheses explaining immunological diversity based on pathogen exposure, biogeography, energetics, and environmental stability.
Main Methods:
- * Literature review of chiropteran host diversity and immune strategies.
- * Analysis of immunology-related citations across bat species.
- * Synthesis of existing data to propose hypotheses and identify research priorities.
Main Results:
- * Bats exhibit a wide range of immune strategies, influenced by ecological and evolutionary factors.
- * Current immunological studies are biased, with only a fraction of bat species investigated.
- * Hypotheses proposed to explain immunological diversity link it to pathogen exposure, biogeography, host energetics, and environmental stability.
Conclusions:
- * Bats are immunologically diverse, not homogenous.
- * Broad, integrated sampling and research are needed to address current biases and fully understand bat immunology.
- * Future research should combine methodological advancements, in vitro/in vivo studies, and phylogenetic comparative methods to test evolutionary hypotheses.
Related Concept Videos
Convergent Evolution
29.1K
Evolution shapes the features of organisms over time, ensuring that they are suited for the environments in which they live. Sometimes, selection pressure leads to the rise of similar but unrelated adaptations in organisms with no recent common ancestors, a process known as convergent evolution.
29.1K
Diversity of Antigen Receptors
813
Antigen receptors are essential components of the immune system crucial in defending the body against foreign invaders. These receptors are present on the surface of B and T cells, enabling them to recognize antigens and mount an appropriate immune response.
Before encountering any antigen, lymphocytes express these receptors. On B cells, the antigen receptor is a membrane-bound antibody molecule called BCR; on T cells, it is a T cell receptor or TCR. B and T cell receptors are composed of two...
Before encountering any antigen, lymphocytes express these receptors. On B cells, the antigen receptor is a membrane-bound antibody molecule called BCR; on T cells, it is a T cell receptor or TCR. B and T cell receptors are composed of two...
813
Special Features of Adaptive Immunity
1.1K
The adaptive immune system, a crucial component of the overall immune response, offers a highly specialized defense against pathogens. It involves specific cell types and features, enabling it to combat infections effectively and efficiently.
The primary cell types involved in adaptive immunity are T cells and B cells. Each type has a unique role in defending the body against pathogens. T cells are responsible for cell-mediated immunity. They identify and eliminate infected cells directly,...
The primary cell types involved in adaptive immunity are T cells and B cells. Each type has a unique role in defending the body against pathogens. T cells are responsible for cell-mediated immunity. They identify and eliminate infected cells directly,...
1.1K
Viral Mutations
33.0K
A mutation is a change in the sequence of bases of DNA or RNA in a genome. Some mutations occur during replication of the genome due to errors made by the polymerase enzymes that replicate DNA or RNA. Unlike DNA polymerase, RNA polymerase is prone to errors because it is not capable of “proofreading” its work. Viruses with RNA-based genomes, like HIV, therefore accrue mutations faster than viruses with DNA-based genomes. Because mutation and recombination provide the raw material...
33.0K
The Evidence for Evolution
44.1K
Genetic variations accumulating within populations over generations give rise to biological evolution. Evolutionary changes can result in the formation of novel varieties and entire new species. These changes are responsible for the diverse forms of life inhabiting the planet. The evidence for evolution suggests that all living organisms descended from common ancestors.
44.1K
Transduction
130
Among the three main modes of HGT—transformation, conjugation, and transduction—transduction is unique in that it is mediated by bacteriophages, or bacterial viruses.Transduction occurs in two ways. Generalized transduction occurs during the lytic cycle of a bacteriophage infection. In this process, bacteriophages infect bacterial cells, replicate within them, and ultimately cause cell lysis, releasing newly assembled virions. Occasionally, random fragments of the bacterial genome...
130

