Results 1 to 10 of about 17,994 (219)

Evolution, inactivation and loss of short wavelength‐sensitive opsin genes during the diversification of Neotropical cichlids [PDF]

open access: bronzeMolecular Ecology, 2021
Natural variation in the number, expression and function of sensory genes in an organism's genome is often tightly linked to different ecological and evolutionary forces. Opsin genes, which code for the first step in visual transduction, are ideal models
Frances E. Hauser   +5 more
openalex   +2 more sources

Cichlids and stingrays can add and subtract ‘one’ in the number space from one to five [PDF]

open access: goldScientific Reports, 2022
The numerical understanding of cichlids and stingrays was examined regarding addition and subtraction abilities within the number space of one to five. Experiments were conducted as two-alternative forced-choice experiments, using a delayed matching to ...
V. Schluessel   +3 more
doaj   +2 more sources

Genomics of Parallel Ecological Speciation in Lake Victoria Cichlids [PDF]

open access: bronzeMolecular biology and evolution, 2018
The genetic basis of parallel evolution of similar species is of great interest in evolutionary biology. In the adaptive radiation of Lake Victoria cichlid fishes, sister species with either blue or red‐back male nuptial coloration have evolved ...
Joana I. Meier   +4 more
openalex   +2 more sources

Possible Involvement of Ghost Introgressions in the Striking Diversity of Vomeronasal Type 1 Receptor Genes in East African Cichlids [PDF]

open access: yesEcology and Evolution
Cichlids that have undergone adaptive radiation are genetically close but exhibit extreme ecological and morphological diversity, making them useful for understanding speciation mechanisms.
Shunsuke Taki   +4 more
doaj   +2 more sources

Evolution of regulatory networks associated with traits under selection in cichlids

open access: yesGenome Biology, 2021
Background Seminal studies of vertebrate protein evolution speculated that gene regulatory changes can drive anatomical innovations. However, very little is known about gene regulatory network (GRN) evolution associated with phenotypic effect across ...
Tarang K. Mehta   +11 more
doaj   +2 more sources

Dynamic co-evolution of transposable elements and the piRNA pathway in African cichlid fishes [PDF]

open access: yesGenome Biology
Background East African cichlid fishes have diversified in an explosive fashion, but the (epi)genetic basis of the phenotypic diversity of these fishes remains largely unknown.
Miguel Vasconcelos Almeida   +16 more
doaj   +2 more sources

Oca2 targeting using CRISPR/Cas9 in the Malawi cichlid Astatotilapia calliptera

open access: yesRoyal Society Open Science, 2022
Identifying genetic loci underlying trait variation provides insights into the mechanisms of diversification, but demonstrating causality and characterizing the role of genetic loci requires testing candidate gene function, often in non-model species ...
Bethan Clark   +8 more
doaj   +1 more source

Species of Ergasilus von Nordmann, 1832 (Copepoda: Ergasilidae) from cichlid fishes in Lake Tanganyika

open access: yesParasitology, 2023
Ergasilus (von Nordmann, 1832) (Ergasilidae) is a species-rich group of parasitic copepods with a wide distribution in freshwater, marine and brackish environments. Up to now, 9 species of Ergasilus are known from cichlid fishes in Africa. In this study,
Robert Míč   +2 more
doaj   +1 more source

Studying the evolution of social behaviour in one of Darwin’s Dreamponds: a case for the Lamprologine shell-dwelling cichlids

open access: yesHydrobiologia, 2021
The link between the evolution of advanced sociality and cognition has been an important concept across fields and taxonomic boundaries. However, in many study systems, ecological and phylogenetic confounds impair evolutionary inferences drawn when ...
Etienne Lein, Alex Jordan
semanticscholar   +1 more source

The Evolutionary Dynamics of the Mitochondrial tRNA in the Cichlid Fish Family

open access: yesBiology, 2022
The mitochondrial transfer RNA genes (tRNAs) attract more attention due to their highly dynamic and rapidly evolving nature. The current study aimed to detect and evaluate the dynamics, characteristic patterns, and variations of mitochondrial tRNAs.
Yosur G. Fiteha, Mahmoud Magdy
doaj   +1 more source

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