Reproductive biology and impacts on aquatic species

Proteomics support the threespine stickleback egg coat as a protective oocyte envelope

The paper characterizes the egg coat proteome of threespine stickleback fish and identifies evolutionary changes in ZP proteins that may contribute to reproductive isolation.

Rad21l1 cohesin subunit is dispensable for spermatogenesis but not oogenesis in zebrafish

This paper shows that Rad21l1 is essential for female meiosis but not male meiosis in zebrafish, leading to sex reversal and reproductive defects in females.

Cystic proliferation of embryonic germ stem cells is necessary to reproductive success and normal mating behavior in medaka

This study identifies ndrg1b as a regulator of cystic proliferation in medaka gonads, showing its role in gamete production and reproductive behavior.

Integrated transcriptome, DNA methylome and chromatin state accessibility landscapes reveal regulators of Atlantic salmon maturation

The paper identifies regulators of sexual maturation in Atlantic salmon by integrating transcriptome, methylome, and chromatin accessibility data from a time course experiment.

Resumption of spermatogenesis in senescent goldfish Carassius auratus (Linnaeus, 1758) through spermatogonial cell therapy

This study demonstrates that spermatogonial cell therapy can restore reproductive competence in senescent goldfish by producing functional gametes and viable progeny.

Integrated analysis of sex-biased mRNA and miRNA expression profiles in the gonad of the discus fish (Symphysodon aequifasciatus)

The paper identifies sex-biased mRNA and miRNA expression profiles in the gonads of discus fish to understand sexual development and improve sex identification methods.

C-Eci: A Cubic-Eci Combined Clearing Method For 3D Follicular Content Analysis In The Fish Ovary

The paper introduces a 3D imaging method for fish ovary analysis, addressing high lipid content challenges through a combined clearing technique.

VisEgg: A robust phenotyping tool to assess rainbow trout egg features and viability

VisEgg quantifies rainbow trout egg viability by analyzing hydration-induced whitening, correlating with hatching rates and distinguishing viability from other fertilization failures.

Zebrafish dazl regulates cystogenesis upstream of the meiotic transition and germline stem cell specification and independent of meiotic checkpoints.

This study shows that zebrafish dazl is essential for cystogenesis, germline stem cell specification, and fertility by regulating incomplete cytokinesis and meiotic entry.

Transcription profiles of age-at-maturity-associated genes suggest cell fate commitment regulation as a key factor in the Atlantic salmon maturation process

The paper examines gene expression patterns of age-at-maturity-associated genes in Atlantic salmon to identify molecular mechanisms regulating maturation timing.

Gonad transcriptome of golden mussel Limnoperna fortunei reveals potential sex differentiation genes

The paper analyzes the gonad transcriptome of golden mussel Limnoperna fortunei to identify sex differentiation genes, finding 15 male-biased and 4 female-biased homologs of known sex-related gene families.

Comparative transcriptome analysis of the ovary and testis of the lacustrine goby (Gobiopterus lacustris)

This paper presents the first gonadal transcriptome analysis of Gobiopterus lacustris, identifying differentially expressed genes and pathways involved in gonadal development and reproduction.

Genome editing reveals reproductive and developmental dependencies on specific types of vitellogenin in zebrafish (Danio rerio)

This study uses CRISPR/Cas9 to knockout specific vitellogenin genes in zebrafish, revealing their essential roles in reproduction and development and uncovering genetic compensation mechanisms.

Effects of Short-time Exposure to Atrazine on miRNA Expression Profiles in the Gonad of Common Carp (Cyprinus Carpio)

This study examines how atrazine exposure affects miRNA expression in common carp gonads, identifying miRNAs linked to reproductive toxicity and endocrine disruption.

Stress, novel sex genes and epigenetic reprogramming orchestrate socially-controlled sex change

The paper identifies stress-induced epigenetic and transcriptomic changes driving sex change in bluehead wrasses.

The roles of Amh in zebrafish gonad development and sex determination

This study investigates the role of Amh in zebrafish gonad development and sex determination by generating amh null mutants, revealing its involvement in germ cell regulation and gonadal soma development.

A chromosome-level genome of black rockfish, Sebastes schlegelii, provides insights into the evolution of live birth

The paper presents a chromosome-level genome of black rockfish, identifies candidate genes related to viviparity, and proposes a reproductive model.

Tissue-expression profiles unveils the gene interaction of hepatopancreas, eyestalk, and ovary in precocious female Chinese mitten crab, Eriocheir sinensis

The paper identifies gene interactions in hepatopancreas, eyestalk, and ovary tissues of precocious female Chinese mitten crabs, revealing their roles in vitellogenesis and sexual development.

The effector of Hippo signaling, Taz, is required for formation of the micropyle and fertilization in zebrafish

This study identifies Taz as essential for micropyle formation and fertilization in zebrafish by showing that Taz mutants lack micropyles and are infertile.

The Central Nervous System Acts As A Transducer Of Stress-Induced Masculinization Through Corticotropin-Releasing Hormone B

The paper investigates the role of corticotropin-releasing hormone b and its receptors in stress-induced sex reversal in medaka fish, showing their necessity for thermal stress-induced masculinization.

Delegating sex: differential gene expression in stolonizing syllids uncovers the hormonal control of reproduction in Annelida

The paper identifies differentially expressed genes and neurohormones involved in stolonization in Syllis magdalena, suggesting hormonal and circadian regulation of reproduction in annelids.

Retinoic acid and androgens interact to regulate spermatogenesis in a non-mammalian vertebrate lacking stra8

This study shows that retinoic acid promotes spermatogonial differentiation and reduces spermatid apoptosis in zebrafish, but is not required for meiosis, with androgens partially compensating for RA loss.

MicroRNA-202 (miR-202) controls female fecundity by regulating medaka oogenesis

This study shows that miR-202 is critical for female fecundity in medaka, as its knockout leads to reduced egg production and fertility.

The Ly6/uPAR protein Bouncer is necessary and sufficient for species-specific fertilization

This study identifies Bouncer, a Ly6/uPAR protein in zebrafish oocytes, as essential for species-specific fertilization and shows it can enable cross-species fertilization between zebrafish and medaka.

G protein-coupled estrogen receptor is not required for sex determination or ovary function in zebrafish

This study shows that GPER is not required for sex determination, ovary development, or fertility in zebrafish.

Transcriptome analysis of Culter alburnus gonad tissues for discovery of sex-related genes

The paper analyzes the transcriptome of Culter alburnus gonad tissues to identify sex-related genes and pathways using Illumina sequencing.

Lost in translation: egg transcriptome reveals molecular signature to predict developmental success and novel maternal-effect genes

The paper identifies gene signatures in zebrafish eggs that predict developmental success and discovers two new maternal-effect genes involved in vertebrate reproduction.

Nuclear androgen receptor regulates testes organization and oocyte maturation in zebrafish

This study shows that zebrafish AR is essential for testis organization and oocyte maturation but not for male sexual differentiation.

Impairment of zebrafish reproduction upon exposure to melengestrol acetate

This study shows that melengestrol acetate exposure impairs zebrafish reproduction by reducing egg production and hormone levels.