Interactions between the Main Physiological Systems in Fish

A special issue of Animals (ISSN 2076-2615). This special issue belongs to the section "Aquatic Animals".

Deadline for manuscript submissions: closed (30 September 2020) | Viewed by 3249

Special Issue Editors


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Guest Editor
Centro Oceanográfico de Murcia (COMU-IEO), CSIC, Carretera de la Azohía s/n, Puerto de Mazarrón, 30860 Murcia, Spain
Interests: immune-reproductive responses; marine fish; viral transmission through the gonad; endocrine disruption
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Guest Editor
Oceanographic center of Murcia, Spanish Institute of Oceanography (IEO), Carretera de la Azohía s/n, 30860 Puerto de Mazarrón, Spain
Interests: physico-chemical factors; nutritional factors; fish; marine aquaculture; larval rearing

Special Issue Information

Dear Colleagues,

The maintenance of homeostatic functions and the ability to adapt the biological functions to the environment implies the interaction of several biological systems. As our knowledge of the different biological systems functions increased in fish, the research studies reporting the interplay between them have increased in the last years. Thus, interactions between immune, neural, endocrine, digestive, adrenal systems together with growth and behavior are actually demonstrated to interplay and share some regulatory factors between them. In vertebrates including fish, the resistance to infections shows clear sex dependence. In fact, sexual hormones play a clear regulatory role of several leukocyte functions as also does other hormones related to stress, growth, and behavior. Differential growth and body composition between sexes have also been determined in several fish species.

The aquaculture sector is producing more marine protein than fishing, recently becoming the fastest growing food-producing sector. In this framework, the welfare of animals is a special concern of society. The aquaculture sector is aware that the handling, transportations, crowding and pre-slaughter methods decrease the health and welfare of the animals, and it is demanding improved protocols. This will only be possible whether the actual knowledge about the main physiological functions (growth, immune response, reproduction, stress, feeding, and nutrition) and their regulatory pathways and interplays are taken into account.

In order to understand fish biological responses to catching, handling, crowding, immunostimulation, vaccination, stunning, feeding and so on in captive conditions, this volume aims to bring hot research and applied topics in the interplay of different biological functions and their regulatory pathways that orchestrates the integrations of all these physiological responses in fish.

Dr. Elena Chaves-Pozo
Dr. Marta Arizcun Arizcun
Guest Editors

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Keywords

  • Fish
  • immune response
  • neuroendocrine
  • reproduction
  • growth
  • stress
  • biological regulatory pathways
  • nutrition

Published Papers (1 paper)

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Research

15 pages, 997 KiB  
Article
Comprehensive Transcriptional Changes in the Liver of Kanglang White Minnow (Anabarilius grahami) in Response to the Infection of Parasite Ichthyophthirius multifiliis
by Ying Qiu, Yanhui Yin, Zhiqiang Ruan, Yu Gao, Chao Bian, Jieming Chen, Xiaoai Wang, Xiaofu Pan, Junxing Yang, Qiong Shi and Wansheng Jiang
Animals 2020, 10(4), 681; https://doi.org/10.3390/ani10040681 - 14 Apr 2020
Cited by 3 | Viewed by 2850
Abstract
The notorious parasite Ichthyophthirius multifiliis (Ich) has been recorded worldwide in fish species and causes white spot disease, posing major threats and resulting in severe losses to international fish production. Extensively effective strategies for treating Ich are not available yet, and genetic mechanisms [...] Read more.
The notorious parasite Ichthyophthirius multifiliis (Ich) has been recorded worldwide in fish species and causes white spot disease, posing major threats and resulting in severe losses to international fish production. Extensively effective strategies for treating Ich are not available yet, and genetic mechanisms of hosts in response to the parasite are still largely unknown. In this study, we selected Kanglang white minnow (KWM, Anabarilius grahami) to examine its liver transcriptional changes after Ich infection, as white spot disease is one bottleneck problem in exploring this economically important species. We divided the experimental fishes into three groups (control, early-infected, and late-infected) to examine differentially expressed genes (DEGs). A total of 831 DEGs were identified and classified into 128 significantly enriched GO (Gene Ontology) terms and 71 significantly enriched KEGG (Kyoto Encyclopedia of Genes and Genomes) pathways. Most of these terms or pathways were functionally enriched in immunity, inflammatory response, and apoptosis, such as nucleotide-binding oligomerization domain-like (NOD-like) receptor signaling, tumor necrosis factor (TNF) signaling, interleukin-17 (IL-17) signaling, and apoptosis pathways. We also identified 178 putative antimicrobial peptides (AMPs) and AMP precursors based on our previously reported genome assembly of KWM, and revealed that the expressional patterns varied according to different types. In summary, our work reported the first comprehensive transcriptional changes in KWM in response to the exogenous infection of Ich, which would lay a solid foundation for in-depth studies on disease defense or resistant strains selection in this valuable fish. Full article
(This article belongs to the Special Issue Interactions between the Main Physiological Systems in Fish)
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