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Diverse deep-sea anglerfishes share a genetically reduced luminous symbiont that is acquired from the environment
Lydia J Baker et al.
Environmental transmission is atypical of symbionts that have undergone genome degradation, yet genetically reduced deep-sea anglerfish symbionts likely persist in the deep sea biome in search of a new host.
Computational and Systems Biology
Adaptation to mutational inactivation of an essential gene converges to an accessible suboptimal fitness peak
João V Rodrigues, Eugene I Shakhnovich
Genetics and Genomics
A de novo evolved gene in the house mouse regulates female pregnancy cycles
Chen Xie et al.
A female specifically expressed new protein-coding gene that has emerged out of non-coding sequences without detectable signatures of adaptive evolution affects female pregnancy cycles.
Intergenerational Effects: How maternal adversity impacts offspring
Zaneta M Thayer, Chlöe A Sweetman
Adversities experienced by female baboons early in life can affect the survival of their offspring years later.
Intergenerational effects of early adversity on survival in wild baboons
Matthew N Zipple et al.
In wild baboons, a female's adverse early experiences can influence her offspring's survival years after the original adversity was experienced.
Tooth fracture frequency in gray wolves reflects prey availability
Blaire Van Valkenburgh et al.
Despite risks of infection and reduced fitness, tooth fracture frequency in gray wolves increases rapidly when prey are scarce because they must consume carcasses more completely.
Fgf-signaling is compartmentalized within the mesenchyme and controls proliferation during salamander limb development
Sruthi Purushothaman et al.
While movement of Fgf-signaling to the limb mesenchyme accompanied a shift in function, the ultimate outcome remains a convergent tetrapod limb phenotype.
Evolution of Yin and Yang isoforms of a chromatin remodeling subunit precedes the creation of two genes
Wen Xu et al.
Gene sharing through different isoforms can precede the formation of independent genes.
A distinct cardiopharyngeal mesoderm genetic hierarchy establishes antero-posterior patterning of esophagus striated muscle
Glenda Comai et al.
Tbx1-Isl1-Met defines a unique genetic hierarchy that regulates esophagus myogenesis and patterning in the mouse.
Molecular function limits divergent protein evolution on planetary timescales
Mariam M Konaté et al.
Orthologous proteins that continuously maintain the same molecular function do not usually diverge beyond a certain level of sequence and structural similarity.
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