J 2024

Reciprocal transplant experiments demonstrate a dynamic coevolutionary relationship between parasitic mussel larvae and bitterling fishes

ANIL KUMAR NAIR, Abhishek Nair, Imane MEHDI, Karel DOUDA, Carl SMITH, Martin REICHARD et. al.

Basic information

Original name

Reciprocal transplant experiments demonstrate a dynamic coevolutionary relationship between parasitic mussel larvae and bitterling fishes

Authors

ANIL KUMAR NAIR, Abhishek Nair, Imane MEHDI, Karel DOUDA, Carl SMITH and Martin REICHARD

Edition

Freshwater Biology, Danvers, Blackwell Science, 2024, 0046-5070

Other information

Type of outcome

Článek v odborném periodiku

Confidentiality degree

není předmětem státního či obchodního tajemství

Impact factor

Impact factor: 2.700 in 2022

Organization unit

Faculty of Science

DOI

UT WoS

001309869500001

Keywords in English

immunity; interspecific interactions; resistance; Rhodeus; Sinanodonta woodiana
Změněno: 26/9/2024 14:42, Abhishek Nair Anil Kumar Nair

Abstract

V originále

  1. The coevolutionary dynamic of host-parasite associations varies from strictly local adaptations to diffuse guild coevolution. How innate and acquired immune responses modulate host resistance to parasitism and how host specificity and geographic scaling affect the efficacy of host response have consequences for range dynamics and biological invasions.
  2. Using reciprocal transplant experiments, we tested whether local or diffuse coevolution shapes host response to parasitism in the host-parasite association between bitterling fishes and larval stages (glochidia) of freshwater mussels from Europe and East Asia.
  3. We found that glochidia initially indiscriminately attached to all study host species, but immune responses elicited significant differences in host responses within 24 h of infection, which intensified during glochidial development. European bitterlings were more resistant to European glochidia and Asian bitterlings to Asian glochidia, with the strongest geographic bias in resistance in the Asian bitterling hosts.
  4. This finding suggests a strong effect of local adaptation but also indicates the non-negligible role of coevolutionary hotspots. Low natural glochidia load on bitterling species overall hence arise from competent immune response rather than glochidia avoidance behaviour. Bitterling immune response is primarily innate and not acquired.
  5. Overall, our data demonstrate the complex outcome of parasite pressure on the evolution of host resistance, and important role of geographically structured coevolution in shaping host response.