“Bet hedging” against climate change in develo** and adult animals: roles for stochastic gene expression, phenotypic plasticity, epigenetic inheritance and …

WW Burggren, JF Mendez-Sanchez - Frontiers in Physiology, 2023 - frontiersin.org
Animals from embryos to adults experiencing stress from climate change have numerous
mechanisms available for enhancing their long-term survival. In this review we consider …

Disentangling variational bias: the roles of development, mutation, and selection

H Cai, D Melo, DL Des Marais - Trends in Genetics, 2024 - cell.com
The extraordinary diversity and adaptive fit of organisms to their environment depends
fundamentally on the availability of variation. While most population genetic frameworks …

Does strain-level persistence of lactobacilli in long-term back-slopped sourdoughs inform on domestication of food-fermenting lactic acid bacteria?

VD Pham, ZS Xu, DJ Simpson, JS Zhang… - Applied and …, 2024 - journals.asm.org
Sourdoughs are maintained by back-slop** over long time periods. To determine strain-
level persistence of bacteria, we characterized four sourdoughs from bakeries over a period …

The highly rugged yet navigable regulatory landscape of the bacterial transcription factor TetR

CA Westmann, L Goldbach, A Wagner - Nature Communications, 2024 - nature.com
Transcription factor binding sites (TFBSs) are important sources of evolutionary innovations.
Understanding how evolution navigates the sequence space of such sites can be achieved …

Niches for neglected ideas?

D Houle - 2024 - academic.oup.com
Over the last 25 years, a small but persistent group of biologists have argued that
evolutionary biology is overly focused on genetic inheritance and processes that change …

Mutation and selection induce correlations between selection coefficients and mutation rates

BL Gitschlag, AV Cano, JL Payne… - The American …, 2023 - journals.uchicago.edu
The joint distribution of selection coefficients and mutation rates is a key determinant of the
genetic architecture of molecular adaptation. Three different distributions are of immediate …

AadT, a new weapon in Acinetobacter's fight against antibiotics

V Naidu, B Shah, C Maher, IT Paulsen… - …, 2023 - microbiologyresearch.org
Genes encoding a novel multidrug efflux pump, AadT, from the Drug: H+ antiporter 2 family,
were discovered in Acinetobacter multidrug resistance plasmids. Here, we profiled the …

Bias in the arrival of variation can dominate over natural selection in Richard Dawkins's biomorphs

NS Martin, CQ Camargo, AA Louis - PLOS Computational Biology, 2024 - journals.plos.org
Biomorphs, Richard Dawkins's iconic model of morphological evolution, are traditionally
used to demonstrate the power of natural selection to generate biological order from random …

Library‐Assisted Evolution in Eukaryotic Cells Yield Adenine Base Editors with Enhanced Editing Specificity

S Hsiao, S Chen, Y Jiang, Q Wang, Y Yang… - Advanced …, 2024 - Wiley Online Library
The current‐generation adenine base editor (ABE) ABE8e, which has evolved from the
prokaryotic evolution system, exhibits high efficiency in mediating A‐to‐G conversion and is …

Distribution of mutation rates challenges evolutionary predictability

TA Sun, PA Lind - Microbiology, 2023 - microbiologyresearch.org
Natural selection is commonly assumed to act on extensive standing genetic variation. Yet,
accumulating evidence highlights the role of mutational processes creating this genetic …