Chromosome-Level Assembly of Artemia Franciscana Sheds Light on Sex Chromosome Differentiation

Overview

Journal Genome Biol Evol

Publisher Oxford University Press

Specialties Biology
Genetics
Molecular Biology

Date 2024 Jan 21

PMID 38245839

Authors

Vincent Kiplangat Bett

Ariana Macon

Beatriz Vicoso

Marwan Elkrewi

Affiliations

Soon will be listed here.

Abstract

Since the commercialization of brine shrimp (genus Artemia) in the 1950s, this lineage, and in particular the model species Artemia franciscana, has been the subject of extensive research. However, our understanding of the genetic mechanisms underlying various aspects of their reproductive biology, including sex determination, is still lacking. This is partly due to the scarcity of genomic resources for Artemia species and crustaceans in general. Here, we present a chromosome-level genome assembly of A. franciscana (Kellogg 1906), from the Great Salt Lake, United States. The genome is 1 GB, and the majority of the genome (81%) is scaffolded into 21 linkage groups using a previously published high-density linkage map. We performed coverage and FST analyses using male and female genomic and transcriptomic reads to quantify the extent of differentiation between the Z and W chromosomes. Additionally, we quantified the expression levels in male and female heads and gonads and found further evidence for dosage compensation in this species.

Citing Articles

High-quality chromosome-level genome assembly of female reveals sex chromosome and gene organization.

Jo E, Cho M, Choi S, Lee S, Choi E, Kim J Heliyon. 2024; 10(19):e38687.

PMID: 39435060 PMC: 11492255. DOI: 10.1016/j.heliyon.2024.e38687.

Single-nucleus atlas of the Artemia female reproductive system suggests germline repression of the Z chromosome.

Elkrewi M, Vicoso B PLoS Genet. 2024; 20(8):e1011376.

PMID: 39213449 PMC: 11392275. DOI: 10.1371/journal.pgen.1011376.

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