Science topic

Mammals - Science topic

Warm-blooded vertebrate animals belonging to the class Mammalia, including all that possess hair and suckle their young.
Filters
All publications are displayed by default. Use this filter to view only publications with full-texts.
Publications related to Mammals (10,000)
Sorted by most recent
Article
Full-text available
The relationship between epitranscriptomics and malignant tumours has become a popular research topic in recent years. N6-methyladenosine (m6A), the most common post-transcriptional modification in mammals, is involved in various physiological processes in different cancer types, including gastric cancer (GC). The incidence and mortality of GC have...
Article
Full-text available
SARS-CoV-2 is suspected to be the product of a natural or artificial recombination of two viruses – one adapted to the horseshoe bat and the other, donor of the spike protein gene, adapted to an unknown species. Here we used a new method to search for the original host of the ancestor of the SARS-CoV-2 virus and for the donor of its gene for the sp...
Article
Full-text available
Adult neurogenesis, the proliferation and integration of newly generated neurons, has been observed in the adult mammalian hippocampus of many species. Numerous studies have also found adult neurogenesis in the human hippocampus, but several recent high-profile studies have suggested that this process is considerably reduced in humans, occurring in...
Article
Full-text available
Objective Trypanosoma brucei is a parasite of mammals and Tsetse flies, and control of mRNA stability is critical for parasite survival in the two different hosts. T. brucei RBP10 is a protein with a single RNA Recognition Motif (RRM) which is expressed only in the mammalian (bloodstream) form. Numerous observations suggest that RBP10 binds to proc...
Article
Full-text available
Background For landscape-level risk assessments of pesticides, the choice of the scenario is a key question, since it determines the outcome of a risk assessment. Typically, the aim is to select a realistic worst-case scenario. In the present study, landscapes from an area with a high proportion of cereal fields in France were analysed and simulati...
Article
Full-text available
Objective 5-Methylcytosine (m ⁵ C) is a type of chemical modification on the nucleotides and is widespread in both DNA and RNA. Although the DNA m ⁵ C has been extensively studied over the past years, the distribution and biological function of RNA m ⁵ C still remain to be elucidated. Here, I explored the profiles of RNA m ⁵ C in four mouse tissues...
Article
Full-text available
It has not been considered that nephrons regenerate in adult mammals. We present that an organ-derived extracellular matrix in situ induces nephron regeneration in a preclinical model. A porcine kidney-derived extracellular matrix was sutured onto the surface of partial nephrectomy (PN)-treated kidney. Twenty-eight days after implantation, glomerul...
Article
Full-text available
Carl Bergmann was an astute naturalist and physiologist. His ideas about animal size and shape were important advances in the pre-Darwinian nineteenth century. Bergmann’s rule claims that that in cold climates, large body mass increases the ratio of volume-to-surface area and provides for maximum metabolic heat retention in mammals and birds. Conve...
Article
Full-text available
Crosstalk between the Hedgehog and MAPK signaling pathways occurs in several types of cancer and contributes to clinical resistance to Hedgehog pathway inhibitors. Here we show that MAP kinase-mediated phosphorylation weakens the binding of the GLI1 transcription factor to its negative regulator SUFU. ERK2 phosphorylates GLI1 on three evolutionaril...
Article
Full-text available
Genetic diversity is a key aspect of biological variation for the adaptability and survival of populations of species and must be monitored to assure maintenance. We used data from the Swedish Red List 2020 and from published reviews to apply three indicators for genetic diversity proposed for the post-2020 Global Biodiversity Framework of the Conv...
Article
Full-text available
Here, we present a protocol for inducing selective lesions in the hippocampal formation of Japanese quail (Coturnix japonica), coupled with associated behavioral testing. We first describe the surgical procedure for aspiration lesions in Japanese quail. We then detail two well-known hippocampus-dependent behavioral tests adapted to birds—foraging a...
Article
Full-text available
Rab40c is a SOCS box–containing protein which binds Cullin5 to form a ubiquitin E3 ligase complex (Rab40c/CRL5) to regulate protein ubiquitylation. However, the exact functions of Rab40c remain to be determined, and what proteins are the targets of Rab40c-Cullin5–mediated ubiquitylation in mammalian cells are unknown. Here we showed that in migrati...
Article
Full-text available
Context Large-scale programs for eradication of pest mammals are confronted with the challenge of managing reinvasion. Exploiting high-elevation landscape features that naturally limit the rate of reinvasion is a strategy that is presumed to improve the success of such initiatives, however, the efficacy of doing so has not yet been investigated. O...
Article
Full-text available
Endogenous opioid peptides have attracted attention as critical neuropeptides in the central mechanism regulating female reproduction ever since the discovery that arcuate dynorphin neurons that coexpress kisspeptin and neurokinin B (NKB), which are also known as kisspeptin/neurokinin B/dynorphin (KNDy) neurons, play a role as a master regulator of...
Article
Full-text available
Resumo: Este estudo visa apresentar os resultados estratigráficos e zooarqueológicos do sítio arqueológico RS-158: Alberto Talayer, localizado no município de Santa Vitória do Palmar, Rio Grande do Sul. O objetivo é revisar as informações estratigráficas das campanhas de escavação dos anos 1970 e apresentar novos resultados zooarqueológicos e estra...
Article
Full-text available
Although it is widely acknowledged that animal personality plays a key role in ecology, current debate focuses on the exact role of personality in mediating life-history trade-offs. Crucial for our understanding is the relationship between personality and resource acquisition, which is poorly understood, especially during early stages of developmen...
Article
Full-text available
The hunting of wildlife is a contentious issue that conservationists see as the biggest threat to biodiversity. At the same time, forest-dwelling indigenous tribes depend on it for various socioeconomic and cultural needs. Lack of data on hunting offtakes, and spatial and temporal patterns of hunting have hindered a detailed understanding of these...
Article
Full-text available
Reproductive tumors can impact conception, pregnancy, and birth in mammals. These impacts are well documented in humans, while data in other mammals are limited. An urgent need exists to understand the reproductive impact of these lesions in endangered species, because some endangered species have a documented high prevalence of reproductive tumors...
Article
Full-text available
The sternum is a stabilizing element in the axial skeleton of most tetrapods, closely linked with the function of the pectoral girdle of the appendicular skeleton. Modern mammals have a distinctive sternum characterized by multiple ossified segments, the origins of which are poorly understood. Although the evolution of the pectoral girdle has been...
Article
Full-text available
Exploring the processes of interspecific relationships is crucial to understanding the mechanisms of biodiversity maintenance. Visually detecting interspecies relationships of large mammals is limited by the reconstruction accuracy of the environmental structure and the timely detection of animal behavior. Hence, we used backpack laser scanning (BL...
Article
Full-text available
Camera traps are widely used in wildlife research, conservation, and management, and abundant images are acquired every day. Efficient real-time instance segmentation networks can help ecologists label and study wild animals. However, existing deep convolutional neural networks require a large number of annotations and labels, which makes them unsu...
Article
Full-text available
Comparing the genomes of mammals which evolved to have poor vision identifies an important gene for eyesight.
Article
Full-text available
The IUCN Red List of Threatened Species is essential for practical and theoretical efforts to protect biodiversity. However, species classified as “Data Deficient” (DD) regularly mislead practitioners due to their uncertain extinction risk. Here we present machine learning-derived probabilities of being threatened by extinction for 7699 DD species,...
Article
Full-text available
The hypothalamus is a key vertebrate brain region involved in survival and physiological functions. Understanding hypothalamic organization and evolution is important to deciphering many aspects of vertebrate biology. Recent comparative studies based on gene expression patterns have proposed the existence of hypothalamic histogenetic domains (parav...
Chapter
Full-text available
Los mamíferos son un grupo de vertebrados que se caracterizan por la presencia parcial o total de pelo, además de regular la temperatura corporal, gestar a sus crías y alimentarlas con leche producida en glándulas especializadas. Este grupo faunístico, se ha diversificado y adaptado a los ambientes aéreos, arborícolas, terrestres y acuáticos donde...
Article
Full-text available
Interactions between mammalian social groups are generally antagonistic as individuals in groups cooperate to defend resources from non-members. Members of the family Delphinidae inhabit a three-dimensional habitat where resource defence is usually impractical. Here, we describe a long-term partial fusion of two communities of Atlantic spotted dolp...
Article
Full-text available
Whole-genome recoding has been shown to enable nonstandard amino acids, biocontainment and viral resistance in bacteria. Here we take the first steps to extend this to human cells demonstrating exceptional base editing to convert TAG to TAA for 33 essential genes via a single transfection, and examine base-editing genome-wide (observing ~40 C-to-T...
Article
Full-text available
There exists limited information on biodiversity including faunal diversity and habitat conditions in protected forests (PF) of Nepal; thus, we aimed to assess the faunal diversity and the associated habitat characteristics of birds in the Bharang area of Panchase protected forest. The point count method was used for assessing bird diversity. Mamma...
Article
Full-text available
Energetics are widely recognized to influence timing of birth in humans and other eutherian mammals, yet considerable variation exists in the relationship between energetic constraints and gestation length. In humans, poor nutrition and short inter‐gestational intervals (IGIs) are associated with shorter gestations. In other mammals, lower energy a...
Article
Full-text available
Social relationships are important to many aspects of animals’ lives, and an individual’s connections may change over the course of their lifespan. Currently, it is unclear whether social connectedness declines within individuals as they age, and what the underlying mechanisms might be, so the role of age in structuring animal social systems remain...
Article
Full-text available
Chaotic dynamics are thought to be rare in natural populations but this may be due to methodological and data limitations, rather than the inherent stability of ecosystems. Following extensive simulation testing, we applied multiple chaos detection methods to a global database of 172 population time series and found evidence for chaos in >30%. In c...
Article
Full-text available
In mammals, olfactory communication plays an essential role in territorial and mating dynamics. Scent depositions in various species, including lemurs, can be placed via marking or overmarking (marking over previous depositions). We focused on the role that marking and overmarking play in territorial defence and intrasexual competition. We investig...
Article
Full-text available
Multiple initiatives have called for large-scale representative networks of marine protected areas (MPAs). MPAs should be ecologically representative to be effective, but in large, remote regions this can be difficult to quantify and assess. We present a novel bioregionalization for the Southern Ocean, which uses the modelled circumpolar habitat im...
Article
Full-text available
Ecosystem functioning may directly or indirectly – via change in biodiversity – respond to land use. Dung removal is an important ecosystem function central for the decomposition of mammal faeces, including secondary seed dispersal and improved soil quality. Removal usually increases with dung beetle diversity and biomass. In forests, dung removal...
Article
Full-text available
Fruits and seeds are key food resources for most Amazonian mammals and birds. Selective logging is an increasingly dominant land use in the region that can deplete these resources over large areas. However, this potential impact remains poorly studied. Here we assess potential losses of animal-dispersed (endozoochorous and synzoochorous) trees resu...
Article
Full-text available
Maintaining genomic integrity is critical for sustaining individual animals and passing on the genome to subsequent generations. Several enzymes, such as DNA helicases and DNA polymerases, are involved in maintaining genomic integrity by unwinding and synthesizing the genome, respectively. Indeed, several human diseases that arise caused by deficie...
Article
Full-text available
Vocal intervention is a triadic social interaction, where a third party responds vocally to a conflict between group members, minimizing the costs of aggression in response to the intervention. Because there is little information on vocal third-party intervention in nonhuman mammals, we investigated whether adult male proboscis monkeys use the bray...
Article
Full-text available
Pleistocene large carnivores from the Pampean Region have been studied almost always based on bone remains. Here we report the first coprolite of a large carnivore from the Late Pleistocene of the Pampean Region, Argentina. The coprolite was found associated with megafauna bone remains and it shows the typical shape and size of a carnivorous mammal...
Article
Full-text available
El puma (Puma concolor) es considerado como una especie en preocupación menor según la Unión Internacional para la Conservación de la Naturaleza (UICN); sin embargo, ha sido poco estudiado en algunas áreas de su distribución geográfica, por lo que la información sobre aspectos de interés de este mamífero carnívoro es escasa o nula en dichos territo...
Article
Full-text available
http://www.socionauki.ru/book/files/evolution_3/249-256.pdf Abstract For the first time, the growth rate of minimal animal genome size is shown to slow down in the course of evolution from prokaryotic forms to mammals after the Cambrian explosion. There is proposed an original mathematical model which takes into account a multiphase character of de...
Preprint
Full-text available
Además de los restos fósiles de organismos grandes como los mamuts, podemos encontrar organismos de tamaño pequeño que no son detectados a simple vista durante las excavaciones, sino que se deben revisar los sedimentos con una lupa o microscopio para poder observarlos. Estudiar a estos organismos pequeños nos permite recuperar la mayor cantidad de...
Article
Full-text available
The use of multidisciplinary approaches of investigation including biological, biogeographical, historical, morphological, and genetic analysis, can be useful in identifying and preserving biodiversity. The present study focuses on the characterisation and conservation of a mouflon population (Ovis gmelini musimon) from the Mediterranean island of...
Preprint
Full-text available
This study examines the suitability of the authigenic 10Be/9Be dating method to the dating of the deposits of an incising river, taking as an example the Nová Vieska river terrace, which accumulated during the neotectonic inversion of the Danube Basin (western Slovakia). The succession was formed by a wandering river with minor preservation of prox...
Article
Full-text available
Se documenta el uso de larvas de Tenebrio molitor Linnaeus, 1758 como agente limpiador de osamentas de aves y mamíferos pequeños. Después de tres meses, se observó mayor actividad de los insectos en restos secos que en restos húmedos. Esta técnica requiere supervisión constante para evitar el daño de las piezas óseas más débiles por la acción de la...
Article
Full-text available
The causes and consequences of being in a particular dominance position have been illuminated in various animal species, and new methods to assess dominance relationships and to describe the structure of dominance hierarchies have been developed in recent years. Most research has focused on same-sex relationships, however, so that intersexual domin...
Article
Full-text available
New antler remains from the Pinjor Formation of Sardhok (32°49′39"N, 73°43′51"E), Gujarat district, Punjab Province are described. In this paper, new fossil data from a new fossil locality with its taxonomic relationships and geological aspects is discussed. A thorough comparison of studied specimens with all known cervid species from Europe and So...
Article
Full-text available
Mutations of the ADAR1 gene encoding an RNA deaminase cause severe diseases associated with chronic activation of type I interferon (IFN) responses, including Aicardi–Goutières syndrome and bilateral striatal necrosis1–3. The IFN-inducible p150 isoform of ADAR1 contains a Zα domain that recognizes RNA with an alternative left-handed double-helix st...
Poster
Full-text available
Introduction: Invasive alien species (IAS) are the most critical factor driving extinction rates worldwide. Among the IAS, the impacts of introduced mammals on native biodiversity are the most severe, with the European rabbit being the most problematic. European rabbits, which originate from the Iberian Peninsula in south-western Europe, have been...
Article
Full-text available
The Anthropocene brought an accelerated risk of extinction for species across the globe. However, extinction proneness is not even across groups. Past and current events show large-sized mammals at greater extinction risk than smaller ones. For practical reasons, conservation actions tend to focus on the species level; therefore, well-founded speci...
Article
Full-text available
The Striped Hyena occurs in the Tarai and midhill regions of Nepal, where limited information is available on species distribution. A camera trap survey was conducted in Parsa National Park in 2016 (Feb-May) and 2016-2017 (Nov-Feb) to monitor tigers at 158 locations for 21 days (6,615 trap efforts in total). This study successfully captured the 15...
Book
Full-text available
El estudio de animales silvestres debería seguir lineamientos éticos y técnicos que sean aprobados por especialistas para garantizar el uso de buenas prácticas, el bienestar de los animales silvestres y la seguridad de los investigadores. Como iniciativa de la Asociación Ecuatoriana de Mastozoología (AEM) y su Comité de Bioética, desarrollamos los...
Article
Full-text available
We created the most comprehensive primate hair and skin data set to date, including data from 12 nonhuman primate species sampled from 8 body regions each. We find that the nonhuman primate hair microbiome is distinct from the human hair and skin microbiomes in that it is relatively uniform—as opposed to distinct—across body regions and is most abu...
Article
Full-text available
Albert Feng was a prominent comparative neurophysiologist whose research provided numerous contributions towards understanding how the spectral and temporal characteristics of vocalizations underlie sound communication in frogs and bats. The present study is dedicated to Al’s memory and compares the spectral and temporal representations of stochast...
Article
Full-text available
Protected Areas, including conservation units (UCs), are among the main strategies for maintaining biodiversity in worldwide. Their management plans are an essential instrument for the suitable functioning of these areas. In this context, the present study analyses the Brazilian management plans to identify differences between their goals, and to i...
Article
Full-text available
Relationships between toxicity and chemical hydrophobicity have been known for nearly 100 years in mammals and fish, typically using the log of the octanol:water partition coefficient (Kow). The current study reassessed the influence of mode of action (MOA) on acute aquatic toxicity-log Kow relationships using a comprehensive database of 617 organi...
Chapter
Full-text available
Van ‘t Veer, R., 2012. Natuuratlas Zaanstad, Hoofdstuk 10: Zoogdieren. In: Van ‘t Veer, R., T. Kisjes & N. Sminia (red). Natuuratlas Zaanstad. Stichting Uitgeverij Noord-Holland, Wormer, pag. 118-125.
Article
Full-text available
We highlight current problems, challenges and dilemmas of conservation action in Madagascar, which is one of the poorest countries, but also the hottest global biodiversity hotspot. Consequences of climate change and the COVID‐19 pandemic exacerbate an already dramatic situation for many protected areas that are under pressure from illegal logging...
Chapter
Full-text available
Van ‘t Veer, R., 2012. Natuuratlas Zaanstad, Hoofdstuk 10: Zoogdieren. In: Van ‘t Veer, R., T. Kisjes & N. Sminia (red). Natuuratlas Zaanstad. Stichting Uitgeverij Noord-Holland, Wormer, pag. 118-125.
Article
Full-text available
The genome of the neotropical fruit bat Sturnira hondurensis was recently sequenced, revealing an unexpected gene encoding a plant-like protein, CYP74C44, which shares ca. 90% sequence identity with the putative CYP74C of Populus trichocarpa. The preparation and properties of the recombinant CYP74C44 are described in the present work. The CYP74C44...