Search for Articles:
Title / Keyword
Author / Affiliation / Email
Journal
Article Type
 
 
Advanced Search
 
Section
Special Issue
Volume
Issue
Number
Page
 
3.7
2.9
Journals
JMSE
Special Issues
Genetic Diversity in Marine Organisms: Assessment, Conservation and Sustainable Utilization
share announcement

Genetic Diversity in Marine Organisms: Assessment, Conservation and Sustainable Utilization

A special issue of Journal of Marine Science and Engineering (ISSN 2077-1312). This special issue belongs to the section "Marine Biology".

Deadline for manuscript submissions: closed (31 August 2021) | Viewed by 5287

Special Issue Editor

Prof. Dr. Junhong Xia

E-Mail Website
Guest Editor
College of Life Sciences, Sun Yat-Sen University, Guangzhou 510275, China
Interests: genetic diversity and adaptive evolution; molecular ecology; genomics; fish genetcis and molecular breeding

Special Issue Information

Dear Colleagues,

Genetic diversity, or genetic variation, indicates the genetic differences among individuals, populations, and species. It is the product of recombination of genetic material in evolution under different environmental pressures. All the phenotypic plasticity depends on genetic diversity. With increasing environmental deterioration on natural populations and rapid progresses in molecular and genetic methods, studies of genetic diversity on marine organisms have attracted great attention recently. Knowledge about genetic diversity is necessary for the conservation and commercial utilization of marine biologic resources.

The focus of this Special Issue is on exploring the genetic diversity of marine organisms under long-term or short-term environmental pressures based on cutting-edge technology. The topics of interest for this Special Issue include but are not limited to:

  • Genetic basis of evolution, adaptation, and speciation in marine organisms
  • Genetic dissection of complex traits in marine organisms
  • Genetic diversity and population genetic structure in marine organisms
  • Genetic approaches to improve marine organisms’ responses to environmental stressors
  • Impact of abiotic and biotic stressors to marine organisms
  • Development of conservation genetics resources
  • The application of genetic diversity in conservation genetics
  • Big data analytics in genomics of marine organisms

Prof. Dr. Junhong Xia
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Journal of Marine Science and Engineering is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • genetic architecture
  • stress response
  • genetic variability
  • genetic diversity
  • genetic conservation
  • evolution
  • economic traits
  • genomics
  • transcriptomic response
  • marine organisms

Published Papers (2 papers)

Download All Papers
Order results
Result details
Show export options expand_more Show export options expand_less
Select all
Export citation of selected articles as:

Research

18 pages, 1884 KiB  
Article
Transcriptome Analysis of the Nematodes Caenorhabditis elegans and Litoditis marina in Different Food Environments
by Peiqi Sun, Xuwen Cao and Liusuo Zhang
J. Mar. Sci. Eng. 2022, 10(5), 580; https://doi.org/10.3390/jmse10050580 - 25 Apr 2022
Cited by 1 | Viewed by 2097
Abstract
Diets regulate animal development, reproduction, and lifespan. However, the underlying molecular mechanisms remain elusive. We previously showed that a chemically defined CeMM diet attenuates the development and promotes the longevity of C. elegans, but whether it impacts other nematodes is unknown. Here, [...] Read more.
Diets regulate animal development, reproduction, and lifespan. However, the underlying molecular mechanisms remain elusive. We previously showed that a chemically defined CeMM diet attenuates the development and promotes the longevity of C. elegans, but whether it impacts other nematodes is unknown. Here, we studied the effects of the CeMM diet on the development and longevity of the marine nematode Litoditis marina, which belongs to the same family as C. elegans. We further investigated genome-wide transcriptional responses to the CeMM and OP50 diets for both nematodes, respectively. We observed that the CeMM diet attenuated L. marina development but did not extend its lifespan. Through KEEG enrichment analysis, we found that many of the FOXO DAF-16 signaling and lysosome and xenobiotic metabolism related genes were significantly increased in C. elegans on the CeMM diet, which might contribute to the lifespan extension of C. elegans. Notably, we found that the expression of lysosome and xenobiotic metabolism pathway genes was significantly down-regulated in L. marina on CeMM, which might explain why the CeMM diet could not promote the lifespan of L. marina compared to bacterial feeding. Additionally, the down-regulation of several RNA transcription and protein generation and related processes genes in C. elegans on CeMM might not only be involved in extending longevity, but also contribute to attenuating the development of C. elegans on the CeMM diet, while the down-regulation of unsaturated fatty acids synthesis genes in L. marina might contribute to slow down its growth while on CeMM. This study provided important insights into how different diets regulate development and lifespan, and further genetic analysis of the candidate gene(s) of development and longevity will facilitate exploring the molecular mechanisms underlying how diets regulate animal physiology and health in the context of variable nutritional environments. Full article
(This article belongs to the Special Issue Genetic Diversity in Marine Organisms: Assessment, Conservation and Sustainable Utilization)
►▼ Show Figures

Figure 1

17 pages, 1820 KiB  
Article
Transcriptome Analysis of the Marine Nematode Litoditis marina in a Chemically Defined Food Environment with Stearic Acid Supplementation
by Xuwen Cao, Peiqi Sun and Liusuo Zhang
J. Mar. Sci. Eng. 2022, 10(3), 428; https://doi.org/10.3390/jmse10030428 - 16 Mar 2022
Cited by 2 | Viewed by 2506
Abstract
Stearic acid represents one of the most abundant fatty acids in the Western diet and profoundly regulates health and diseases of animals and human beings. We previously showed that stearic acid supplementation promoted development of the terrestrial model nematode Caenorhabditis elegans in chemically [...] Read more.
Stearic acid represents one of the most abundant fatty acids in the Western diet and profoundly regulates health and diseases of animals and human beings. We previously showed that stearic acid supplementation promoted development of the terrestrial model nematode Caenorhabditis elegans in chemically defined CeMM food environment. However, whether stearic acid regulates development of other nematodes remains unknown. Here, we found that dietary supplementation with stearic acid could promote the development of the marine nematode Litoditis marina, belonging to the same family as C. elegans, indicating the conserved roles of stearic acid in developmental regulation. We further employed transcriptome analysis to analyze genome-wide transcriptional signatures of L. marina with dietary stearic acid supplementation. We found that stearic acid might promote development of L. marina via upregulation of the expression of genes involved in aminoacyl-tRNA biosynthesis, translation initiation and elongation, ribosome biogenesis, and transmembrane transport. In addition, we observed that the expression of neuronal signaling-related genes was decreased. This study provided important insights into how a single fatty acid stearic acid regulates development of marine nematode, and further studies with CRISPR genome editing will facilitate demonstrating the molecular mechanisms underlying how a single metabolite regulates animal development and health. Full article
(This article belongs to the Special Issue Genetic Diversity in Marine Organisms: Assessment, Conservation and Sustainable Utilization)
►▼ Show Figures

Figure 1

Show export options expand_more Show export options expand_less
Select all
Export citation of selected articles as:
 
Displaying articles 1-2
Back to TopTop