823 research outputs found
Stop Running in LAPs: Evaluating the Lethality Assessment Program\u27s Effectiveness in Reducing Repeat Intimate Partner Violence
Repeat victimization is a phenomenon which is generally understood as the pattern and prevalence of victimization. This is an important factor for local authorities in their attempt to develop innovative policies and practices to facilitate predicting and preventing crimes. Thus, many police departments around the country, including the Las Vegas Metropolitan Police Department (LVMPD) have adopted the Lethality Assessment Program (LAP). This is a risk assessment tool used by responding officers on domestic violence calls that intends to prevent future risk of lethal violence to victims of domestic violence by assessing their risk of lethality and providing immediate referrals to social service providers. Furthermore, the overarching purpose of this research was to assess the nature and extent of repeat intimate partner violence in Las Vegas, Nevada, and to determine how LVMPDâs implementation of the LAP may impact repeat victimization. The sample consisted of 954 victims of intimate partner violence from January 2015. Results largely confirmed past research on repeat victimization: a small number of victims (9%) accounted for a large number of repeat victimizations (32%). Findings also indicated that when victims endured more than one previous intimate partner violence victimization, there was an increased risk of victimization for other crimes, as well as an increased risk to become a criminal offender. Additionally, findings revealed that past victims of intimate partner violence were less likely to receive a LAP Screen. However, when victims did receive a LAP Screen, the chances of enduring a future intimate partner violence victimization decreased. Implications and additional findings are discussed
Organellar carbon metabolism is co-ordinated with distinct developmental phases of secondary xylem
Subcellular compartmentation of plant biosynthetic pathways in the mitochondria and plastids requires coordinated regulation of nuclear encoded genes, and the role of these genes has been largely ignored by wood researchers. In this study, we constructed a targeted systems genetics coexpression network of xylogenesis in Eucalyptus using plastid and mitochondrial carbon metabolic genes and compared the resulting clusters to the aspen xylem developmental series. The constructed network clusters reveal the organization of transcriptional modules regulating subcellular metabolic functions in plastids and mitochondria. Overlapping genes between the plastid and mitochondrial networks implicate the common transcriptional regulation of carbon metabolism during xylem secondary growth. We show that the central processes of organellar carbon metabolism are distinctly coordinated across the developmental stages of wood formation and are specifically associated with primary growth and secondary cell wall deposition. We also demonstrate that, during xylogenesis, plastid-targeted carbon metabolism is partially regulated by the central clock for carbon allocation towards primary and secondary xylem growth, and we discuss these networks in the context of previously established associations with wood-related complex traits. This study provides a new resolution into the integration and transcriptional regulation of plastid- and mitochondrial-localized carbon metabolism during xylogenesis
De novo assembled expressed gene catalog of a fast-growing Eucalyptus tree produced by Illumina mRNA-Seq
<p>Abstract</p> <p>Background</p> <p><it>De novo </it>assembly of transcript sequences produced by short-read DNA sequencing technologies offers a rapid approach to obtain expressed gene catalogs for non-model organisms. A draft genome sequence will be produced in 2010 for a <it>Eucalyptus </it>tree species (<it>E. grandis</it>) representing the most important hardwood fibre crop in the world. Genome annotation of this valuable woody plant and genetic dissection of its superior growth and productivity will be greatly facilitated by the availability of a comprehensive collection of expressed gene sequences from multiple tissues and organs.</p> <p>Results</p> <p>We present an extensive expressed gene catalog for a commercially grown <it>E. grandis </it>Ă <it>E. urophylla </it>hybrid clone constructed using only Illumina mRNA-Seq technology and <it>de novo </it>assembly. A total of 18,894 transcript-derived contigs, a large proportion of which represent full-length protein coding genes were assembled and annotated. Analysis of assembly quality, length and diversity show that this dataset represent the most comprehensive expressed gene catalog for any <it>Eucalyptus </it>tree. mRNA-Seq analysis furthermore allowed digital expression profiling of all of the assembled transcripts across diverse xylogenic and non-xylogenic tissues, which is invaluable for ascribing putative gene functions.</p> <p>Conclusions</p> <p><it>De novo </it>assembly of Illumina mRNA-Seq reads is an efficient approach for transcriptome sequencing and profiling in <it>Eucalyptus </it>and other non-model organisms. The transcriptome resource (Eucspresso, <url>http://eucspresso.bi.up.ac.za/</url>) generated by this study will be of value for genomic analysis of woody biomass production in <it>Eucalyptus </it>and for comparative genomic analysis of growth and development in woody and herbaceous plants.</p
Scaling and Intermittency in Animal Behavior
Scale-invariant spatial or temporal patterns and L\'evy flight motion have
been observed in a large variety of biological systems. It has been argued that
animals in general might perform L\'evy flight motion with power law
distribution of times between two changes of the direction of motion. Here we
study the temporal behaviour of nesting gilts. The time spent by a gilt in a
given form of activity has power law probability distribution without finite
average. Further analysis reveals intermittent eruption of certain periodic
behavioural sequences which are responsible for the scaling behaviour and
indicates the existence of a critical state. We show that this behaviour is in
close analogy with temporal sequences of velocity found in turbulent flows,
where random and regular sequences alternate and form an intermittent sequence.Comment: 10 page
Stochastic to deterministic crossover of fractal dimension for a Langevin equation
Using algorithms of Higuchi and of Grassberger and Procaccia, we study
numerically how fractal dimensions cross over from finite-dimensional Brownian
noise at short time scales to finite values of deterministic chaos at longer
time scales for data generated from a Langevin equation that has a strange
attractor in the limit of zero noise. Our results suggest that the crossover
occurs at such short time scales that there is little chance of
finite-dimensional Brownian noise being incorrectly identified as deterministic
chaos.Comment: 12 pages including 3 figures, RevTex and epsf. To appear Phys. Rev.
E, April, 199
GenBank
GenBank (R) is a comprehensive database that contains publicly available nucleotide sequences for more than 240â000 named organisms, obtained primarily through submissions from individual laboratories and batch submissions from large-scale sequencing projects. Most submissions are made using the web-based BankIt or standalone Sequin programs and accession numbers are assigned by GenBank staff upon receipt. Daily data exchange with the EMBL Data Library in Europe and the DNA Data Bank of Japan ensures worldwide coverage. GenBank is accessible through NCBI's retrieval system, Entrez, which integrates data from the major DNA and protein sequence databases along with taxonomy, genome, mapping, protein structure and domain information, and the biomedical journal literature via PubMed. BLAST provides sequence similarity searches of GenBank and other sequence databases. Complete bimonthly releases and daily updates of the GenBank database are available by FTP. To access GenBank and its related retrieval and analysis services, begin at the NCBI Homepage ()
Transient early food restriction leads to hypothalamic changes in the longâlived crowded litter female mice
Transient nutrient restriction in the 3 weeks between birth and weaning (producing âcrowded litterâ or CL mice) leads to a significant increase in lifespan and is associated with permanent changes in energy homeostasis, leptin, and insulin sensitivity. Here, we show this brief period of early food restriction leads to permanent modulation of the arcuate nucleus of the hypothalamus (ARH), markedly increasing formation of both orexigenic agoutiârelated peptide (AgRP) and anorexigenic proopiomelanocortin (POMC) projections to the paraventricular nucleus of the hypothalamus (PVH). An additional 4 weeks of caloric restriction, after weaning, does not further intensify the formation of AgRP and POMC projections. Acute leptin stimulation of 12âmonthâold mice leads to a stronger increase in the levels of hypothalamic pStat3 and cFos activity in CL mice than in controls, suggesting that preweaning food restriction leads to longâlasting enhancement of leptin signaling. In contrast, FoxO1 nuclear exclusion in response to insulin is equivalent in young adult CL and control mice, suggesting that hypothalamic insulin signaling is not modulated by the crowded litter intervention. Markers of hypothalamic reactive gliosis associated with aging, such as Iba1âpositive microglia and GFAPâpositive astrocytes, are significantly reduced in CL mice as compared to controls at 12 and 22 months of age. Lastly, ageâassociated overproduction of TNFâα in microglial cells is reduced in CL mice than in ageâmatched controls. Together, these results suggest that transient early life nutrient deprivation leads to longâterm hypothalamic changes which may contribute to the longevity of CL mice.e12379Transient nutrient restriction in the 3 weeks between birth and weaning (producing âcrowded litterâ or CL mice) leads to longâterm hypothalamic changes.Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/111266/1/phy212379.pd
GenBank
GenBank(R) is a comprehensive database that contains publicly available nucleotide sequences for more than 380,000 organisms named at the genus level or lower, obtained primarily through submissions from individual laboratories and batch submissions from large-scale sequencing projects, including whole genome shotgun (WGS) and environmental sampling projects. Most submissions are made using the web-based BankIt or standalone Sequin programs, and accession numbers are assigned by GenBank staff upon receipt. Daily data exchange with the European Nucleotide Archive (ENA) and the DNA Data Bank of Japan (DDBJ) ensures worldwide coverage. GenBank is accessible through the NCBI Entrez retrieval system that integrates data from the major DNA and protein sequence databases along with taxonomy, genome, mapping, protein structure and domain information, and the biomedical journal literature via PubMed. BLAST provides sequence similarity searches of GenBank and other sequence databases. Complete bimonthly releases and daily updates of the GenBank database are available by FTP. To access GenBank and its related retrieval and analysis services, begin at the NCBI Homepage: https://www.ncbi.nlm.nih.gov
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