Unusual diversity of sex chromosomes in African cichlid fishes

WJ Gammerdinger, TD Kocher - Genes, 2018 - mdpi.com
African cichlids display a remarkable assortment of jaw morphologies, pigmentation
patterns, and mating behaviors. In addition to this previously documented diversity, recent …

Whole-genome sequences of Malawi cichlids reveal multiple radiations interconnected by gene flow

M Malinsky, H Svardal, AM Tyers, EA Miska… - Nature ecology & …, 2018 - nature.com
The hundreds of cichlid fish species in Lake Malawi constitute the most extensive recent
vertebrate adaptive radiation. Here we characterize its genomic diversity by sequencing 134 …

Chromosome-scale assemblies reveal the structural evolution of African cichlid genomes

MA Conte, R Joshi, EC Moore, SP Nandamuri… - …, 2019 - academic.oup.com
Background African cichlid fishes are well known for their rapid radiations and are a model
system for studying evolutionary processes. Here we compare multiple, high-quality …

Polygenic sex determination produces modular sex polymorphism in an African cichlid fish

EC Moore, PJ Ciccotto, EN Peterson… - Proceedings of the …, 2022 - National Acad Sciences
For many vertebrates, a single genetic locus initiates a cascade of developmental sex
differences in the gonad and throughout the organism, resulting in adults with two …

Something Fishy about Siamese Fighting Fish (Betta splendens) Sex: Polygenic Sex Determination or a Newly Emerged Sex-Determining Region?

T Panthum, K Jaisamut, W Singchat, SF Ahmad… - Cells, 2022 - mdpi.com
Fishes provide a unique and intriguing model system for studying the genomic origin and
evolutionary mechanisms underlying sex determination and high sex-chromosome turnover …

Network architecture and sex chromosome turnovers: Do epistatic interactions shape patterns of sex chromosome replacement?

W Tao, MA Conte, D Wang, TD Kocher - BioEssays, 2021 - Wiley Online Library
Recent studies have revealed an astonishing diversity of sex chromosomes in many
vertebrate lineages, prompting questions about the mechanisms of sex chromosome …

Identification of a novel sex determining chromosome in cichlid fishes that acts as XY or ZW in different lineages

AF Feller, V Ogi, O Seehausen, JI Meier - Hydrobiologia, 2021 - Springer
Sex determination systems are highly conserved among most vertebrates with genetic sex
determination, but can be variable and evolve rapidly in some. Here, we study sex …

Repeated Evolution Versus Common Ancestry: Sex Chromosome Evolution in the Haplochromine Cichlid Pseudocrenilabrus philander

A Böhne, AAT Weber, J Rajkov… - Genome biology and …, 2019 - academic.oup.com
Why sex chromosomes turn over and remain undifferentiated in some taxa, whereas they
degenerate in others, is still an area of ongoing research. The recurrent occurrence of …

Differential use of multiple genetic sex determination systems in divergent ecomorphs of an African crater lake cichlid

H Munby, T Linderoth, B Fischer, M Du, G Vernaz… - Biorxiv, 2021 - biorxiv.org
African cichlid fishes not only exhibit remarkably high rates of speciation but also have some
of the fastest evolving sex determination systems in vertebrates. However, little is known …

Novel sex chromosomes in 3 cichlid fishes from Lake Tanganyika

WJ Gammerdinger, MA Conte, BA Sandkam… - Journal of …, 2018 - academic.oup.com
African cichlids are well known for their adaptive radiations, but it is now apparent that they
also harbor an extraordinary diversity of sex chromosome systems. In this study, we …