4.7 Review

Mudskippers and Their Genetic Adaptations to an Amphibious Lifestyle

Journal

ANIMALS
Volume 8, Issue 2, Pages -

Publisher

MDPI
DOI: 10.3390/ani8020024

Keywords

mudskipper; amphibious lifestyle; genome; transcriptome; terrestrial adaptation

Funding

  1. National Natural Science Foundation of China [31370047]
  2. Shenzhen Special Program for Development of Emerging Strategic Industries [JSGG20170412153411369]
  3. Shenzhen Dapeng Special Program for Industrial Development [KY20170204]

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Mudskippers are the largest group of amphibious teleost fish that are uniquely adapted to live on mudflats. During their successful transition from aqueous life to terrestrial living, these fish have evolved morphological and physiological modifications of aerial vision and olfaction, higher ammonia tolerance, aerial respiration, improved immunological defense against terrestrial pathogens, and terrestrial locomotion using protruded pectoral fins. Comparative genomic and transcriptomic data have been accumulated and analyzed for understanding molecular mechanisms of the terrestrial adaptations. Our current review provides a general introduction to mudskippers and recent research advances of their genetic adaptations to the amphibious lifestyle, which will be helpful for understanding the evolutionary transition of vertebrates from water to land. Our insights into the genomes and transcriptomes will also support molecular breeding, functional identification, and natural compound screening.

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