Results 111 to 120 of about 13,028,141 (393)

Software for the Analysis of Species-Specific Vocalizations [PDF]

open access: yesActa Medica (Hradec Kralove, Czech Republic), 2004
Vocalization calls are behaviorally relevant complex sounds that typically contain several harmonics and show frequency and amplitude modulation. In this paper, an introduction to a software tool for the analysis of species-specific vocalizations is presented.
Martin Komárek   +3 more
openaire   +4 more sources

How drugs get into cells: tested and testable predictions to help discriminate between transporter-mediated uptake and lipoidal bilayer diffusion

open access: yesFrontiers in Pharmacology, 2014
One approach to experimental science involves creating hypotheses, then testing them by varying one or more independent variables and assessing the effects of this variation on the processes of interest.
Douglas Bruce Kell   +1 more
doaj   +1 more source

An exactly solvable coarse-grained model for species diversity [PDF]

open access: yes, 2012
We present novel analytical results about ecosystem species diversity that stem from a proposed coarse grained neutral model based on birth-death processes. The relevance of the problem lies in the urgency for understanding and synthesizing both theoretical results of ecological neutral theory and empirical evidence on species diversity preservation ...
arxiv   +1 more source

Decoding the dual role of autophagy in cancer through transcriptional and epigenetic regulation

open access: yesFEBS Letters, EarlyView.
Transcriptional and epigenetic regulation controls autophagy, which exerts context‐dependent effects on cancer: Autophagy suppresses tumorigenesis by maintaining cellular homeostasis or promotes tumor progression by supporting survival under stress. In this “In a Nutshell” article, we explore the intricate mechanisms of the dual function of autophagy ...
Young Suk Yu, Ik Soo Kim, Sung Hee Baek
wiley   +1 more source

Metabolomics Identifies multiple candidate biomarkers to diagnose and stage human African trypanosomiasis [PDF]

open access: yes, 2016
Treatment for human African trypanosomiasis is dependent on the species of trypanosome causing the disease and the stage of the disease (stage 1 defined by parasites being present in blood and lymphatics whilst for stage 2, parasites are found beyond the
Barrett, Michael P.   +7 more
core   +4 more sources

Substrate specificity of glucokinase and fructokinase of several conifer species

open access: yesActa Societatis Botanicorum Poloniae, 2014
Annual plant species were found to have several distinct classes of hexokinases which are specific for different hexoses, such as glucose, fructose and mannose.
Fritz Bergmanni, Leon Mejnartowicz
doaj   +1 more source

Within‐community variation of interspecific divergence patterns in passerine gut microbiota

open access: yesEcology and Evolution, 2022
Gut microbiota (GM) often exhibit variation between different host species and co‐divergence with hosts' phylogeny. Identifying these patterns is a key for understanding the mechanisms that shaped symbiosis between GM and its hosts.
Jan Kubovčiak   +6 more
doaj   +1 more source

Autophagy in cancer and protein conformational disorders

open access: yesFEBS Letters, EarlyView.
Autophagy plays a crucial role in numerous biological processes, including protein and organelle quality control, development, immunity, and metabolism. Hence, dysregulation or mutations in autophagy‐related genes have been implicated in a wide range of human diseases.
Sergio Attanasio
wiley   +1 more source

XX/XY Sex Chromosomes in the South American Dwarf Gecko (\u3cem\u3eGonatodes humeralis\u3c/em\u3e) [PDF]

open access: yes, 2018
Sex-specific genetic markers identified using restriction site-associated DNA sequencing, or RADseq, permits the recognition of a species’ sex chromosome system in cases where standard cytogenetic methods fail.
Gamble, Tony   +6 more
core   +1 more source

A PERSPECTIVE CULTURAL MODEL FOR CONTROL OF BIOLOGICAL ACTIVITY OF HUMAN INTERFERONS

open access: yesЖурнал микробиологии, эпидемиологии и иммунобиологии, 2015
Aim. Study species specificity of human lymphocyte interferon alpha in vitro in cell cultures of swine origin for expansion of cell line spectrum for interferon titration and control of newly created interferons and interferon-like preparations in vivo ...
F. G Nagieva   +5 more
doaj  

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