P M Gilbert results 116
· Newest (Page 1/5, per page 25)
Author: P M Gilbert ×Clear All Filters
Search Results
Integrating in‐situ (wild) and ex‐situ (captive) conservation efforts can mitigate genetic diversity loss and help prevent extinction of endangered wild populations. The whooping crane ( Grus americana ) experienced severe population declines in the 18th century, culminating in a collapse to ~20 individuals by 1944. Legal protections and conservation actions have since increased the census population from a stock of 16 individ...
What We Talk About When We Talk About Microbial SpeciesNARA Subscribed
Genome annotation, alignment and phylogenetics are at the centre of most studies in evolutionary genomics. These techniques function best when rooted in prior work. Genes are mined from new genomes using evidence from old gene models. These genomes are aligned to well‐worn references to create matrices for tree reconstruction. Trees are often populated with well‐characterised genomes to add context to the newly sequenced. Geno...
The recently extirpated Zanzibar leopard was the only known African leopard ( Panthera pardus spp.) population restricted exclusively to a major island habitat. Although its demise was driven through habitat change and conflict with humans, given its role as a keystone species for the Zanzibar Archipelago, its successful potential reintroduction might offer a means for helping preserve the natural biodiversity of its former ha...
Hidden decay of live trees in a tropical rain forestNARA Subscribed
The trunks of forest trees store massive amounts of carbon, but fungi actively and invisibly decay wood inside even seemingly healthy trees. Wood‐decay fungi are responsible for the loss of stored carbon in living trees, and they make trees susceptible to snapping and uprooting in storms. We used sonic tomography to measure the prevalence and severity of decay in 1744 live trees (≥20 cm diameter) of 171 species on the 50‐ha Fo...
Loss of genetic diversity threatens a species' adaptive potential and long‐term resilience. Predicted to be extinct by 2038, the orange‐bellied parrot ( Neophema chrysogaster ) is a critically endangered migratory bird threatened by numerous viral, bacterial and fungal diseases. The species has undergone multiple population crashes, reaching a low of three wild‐born females and 13 males in 2016, and is now represented by only...
Historical genomic variation of Eurasian otters (Lutra lutra) in Britain, from hunting trophiesNARA Subscribed
Genomic data from historical specimens can provide insights into populations and processes no longer evident from modern samples. Identifying viable sources of historical DNA is key to this. Here we aimed to explore the viability of trophy hunting paws as sources of historical DNA, and to use this data for preliminary analyses to evaluate changes in population structuring over time. We aimed to search for the presence of genom...
Functional Insights Into the Effect of Feralisation on the Gut Microbiota of Cats WorldwideNARA Subscribed
Successfully adapting to a feral lifestyle with different access to food, shelter and other resources requires rapid physiological and behavioural changes, which could potentially be facilitated by gut microbiota plasticity. To investigate whether alterations in gut microbiota support this transition to a feral lifestyle, we analysed the gut microbiomes of domestic and feral cats from six geographically diverse locations using...
The overlooked biodiversity lossNARA Subscribed
Restoration ecology through the lens of coexistence theoryNARA Subscribed
Operant novelty seeking predicts cue-induced reinstatement following cocaine but not water reinforcement in male ratsNARA Subscribed
Rationale An important facet of cocaine addiction is a high propensity to relapse, with increasing research investigating factors that predispose individuals toward uncontrolled drug use and relapse. A personality trait linked to drug addiction is high sensation seeking, i.e., a preference for novel sensations/experiences. In an animal model of sensation seeking, operant novelty seeking predicts the acquisition of drug self-ad...
Assessing the genetic composition of cotton‐top tamarins ( Saguinus oedipus ) before sweeping anthropogenic impactNARA Subscribed
During the last century, the critically endangered cotton‐top tamarin ( Saguinus oedipus ) has been threatened by multiple anthropogenic factors that drastically affected their habitat and population size. As the genetic impact of these pressures is largely unknown, this study aimed to establish a genetic baseline with the use of temporal sampling to determine the genetic makeup before detrimental anthropogenic impact. Genomes...
Genomic diversity and differentiation between island and mainland populations of white‐tailed eagles ( Haliaeetus albicilla )NARA Subscribed
Divergence in the face of high dispersal capabilities is a documented but poorly understood phenomenon. The white‐tailed eagle ( Haliaeetus albicilla ) has a large geographic dispersal capability and should theoretically be able to maintain genetic homogeneity across its dispersal range. However, following analysis of the genomic variation of white‐tailed eagles, from both historical and contemporary samples, clear signatures...