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  • 1
    Online Resource
    Online Resource
    Oxford University Press (OUP) ; 2000
    In:  Journal of Heredity Vol. 91, No. 3 ( 2000-5-1), p. 242-246
    In: Journal of Heredity, Oxford University Press (OUP), Vol. 91, No. 3 ( 2000-5-1), p. 242-246
    Type of Medium: Online Resource
    ISSN: 1471-8505
    Language: Unknown
    Publisher: Oxford University Press (OUP)
    Publication Date: 2000
    detail.hit.zdb_id: 2050322-2
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  • 2
    In: Brain Communications, Oxford University Press (OUP), Vol. 3, No. 4 ( 2021-10-01)
    Abstract: Up to two-thirds of stroke survivors experience persistent sensorimotor impairments. Recovery relies on the integrity of spared brain areas to compensate for damaged tissue. Deep grey matter structures play a critical role in the control and regulation of sensorimotor circuits. The goal of this work is to identify associations between volumes of spared subcortical nuclei and sensorimotor behaviour at different timepoints after stroke. We pooled high-resolution T1-weighted MRI brain scans and behavioural data in 828 individuals with unilateral stroke from 28 cohorts worldwide. Cross-sectional analyses using linear mixed-effects models related post-stroke sensorimotor behaviour to non-lesioned subcortical volumes (Bonferroni-corrected, P  & lt; 0.004). We tested subacute (≤90 days) and chronic (≥180 days) stroke subgroups separately, with exploratory analyses in early stroke (≤21 days) and across all time. Sub-analyses in chronic stroke were also performed based on class of sensorimotor deficits (impairment, activity limitations) and side of lesioned hemisphere. Worse sensorimotor behaviour was associated with a smaller ipsilesional thalamic volume in both early (n = 179; d = 0.68) and subacute (n = 274, d = 0.46) stroke. In chronic stroke (n = 404), worse sensorimotor behaviour was associated with smaller ipsilesional putamen (d = 0.52) and nucleus accumbens (d = 0.39) volumes, and a larger ipsilesional lateral ventricle (d = −0.42). Worse chronic sensorimotor impairment specifically (measured by the Fugl-Meyer Assessment; n = 256) was associated with smaller ipsilesional putamen (d = 0.72) and larger lateral ventricle (d = −0.41) volumes, while several measures of activity limitations (n = 116) showed no significant relationships. In the full cohort across all time (n = 828), sensorimotor behaviour was associated with the volumes of the ipsilesional nucleus accumbens (d = 0.23), putamen (d = 0.33), thalamus (d = 0.33) and lateral ventricle (d = −0.23). We demonstrate significant relationships between post-stroke sensorimotor behaviour and reduced volumes of deep grey matter structures that were spared by stroke, which differ by time and class of sensorimotor measure. These findings provide additional insight into how different cortico-thalamo-striatal circuits support post-stroke sensorimotor outcomes.
    Type of Medium: Online Resource
    ISSN: 2632-1297
    Language: English
    Publisher: Oxford University Press (OUP)
    Publication Date: 2021
    detail.hit.zdb_id: 3020013-1
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  • 3
    In: The Plant Cell, Oxford University Press (OUP), Vol. 35, No. 5 ( 2023-04-20), p. 1334-1359
    Abstract: Gynandropsis gynandra (Cleomaceae) is a cosmopolitan leafy vegetable and medicinal plant, which has also been used as a model to study C4 photosynthesis due to its evolutionary proximity to C3 Arabidopsis (Arabidopsis thaliana). Here, we present the genome sequence of G. gynandra, anchored onto 17 main pseudomolecules with a total length of 740 Mb, an N50 of 42 Mb and 30,933 well-supported gene models. The G. gynandra genome and previously released genomes of C3 relatives in the Cleomaceae and Brassicaceae make an excellent model for studying the role of genome evolution in the transition from C3 to C4 photosynthesis. Our analyses revealed that G. gynandra and its C3 relative Tarenaya hassleriana shared a whole-genome duplication event (Gg-α), then an addition of a third genome (Th-α, +1×) took place in T. hassleriana but not in G. gynandra. Analysis of syntenic copy number of C4 photosynthesis-related gene families indicates that G. gynandra generally retained more duplicated copies of these genes than C3T. hassleriana, and also that the G. gynandra C4 genes might have been under positive selection pressure. Both whole-genome and single-gene duplication were found to contribute to the expansion of the aforementioned gene families in G. gynandra. Collectively, this study enhances our understanding of the polyploidy history, gene duplication and retention, as well as their impact on the evolution of C4 photosynthesis in Cleomaceae.
    Type of Medium: Online Resource
    ISSN: 1040-4651 , 1532-298X
    Language: English
    Publisher: Oxford University Press (OUP)
    Publication Date: 2023
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    detail.hit.zdb_id: 2004373-9
    SSG: 12
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  • 4
    In: G3 Genes|Genomes|Genetics, Oxford University Press (OUP), Vol. 11, No. 7 ( 2021-07-14)
    Abstract: Genome sizes of plants have long piqued the interest of researchers due to the vast differences among organisms. However, the mechanisms that drive size differences have yet to be fully understood. Two important contributing factors to genome size are expansions of repetitive elements, such as transposable elements (TEs), and whole-genome duplications (WGD). Although studies have found correlations between genome size and both TE abundance and polyploidy, these studies typically test for these patterns within a genus or species. The plant order Brassicales provides an excellent system to further test if genome size evolution patterns are consistent across larger time scales, as there are numerous WGDs. This order is also home to one of the smallest plant genomes, Arabidopsis thaliana—chosen as the model plant system for this reason—as well as to species with very large genomes. With new methods that allow for TE characterization from low-coverage genome shotgun data and 71 taxa across the Brassicales, we confirm the correlation between genome size and TE content, however, we are unable to reconstruct phylogenetic relationships and do not detect any shift in TE abundance associated with WGD.
    Type of Medium: Online Resource
    ISSN: 2160-1836
    Language: English
    Publisher: Oxford University Press (OUP)
    Publication Date: 2021
    detail.hit.zdb_id: 2629978-1
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  • 5
    In: Horticulture Research, Oxford University Press (OUP), Vol. 5, No. 1 ( 2018-12)
    Type of Medium: Online Resource
    ISSN: 2052-7276
    Language: English
    Publisher: Oxford University Press (OUP)
    Publication Date: 2018
    detail.hit.zdb_id: 2781828-7
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  • 6
    In: Open Forum Infectious Diseases, Oxford University Press (OUP), Vol. 7, No. Supplement_1 ( 2020-12-31), p. S515-S515
    Abstract: Hospitalizations for injection drug use-related infections (IDU-I) are increasing in North Carolina and nationally. Many IDU-I, such as endocarditis, bone, joint, and spine infections, require long antimicrobial courses and extended inpatient stays. These hospitalizations are opportunities to engage patients in overdose and infection prevention. Methods A quality improvement (QI) program was piloted for inpatients with IDU-I. Eligible patients admitted to the inpatient pulmonary or infectious disease teams from 11/2019 to 01/2020 were referred to the QI team if they reported or were suspected to have injected drugs over the past year, or felt to benefit from drug-related infection prevention and overdose services. A checklist of recommendations to the care teams included: (1) screening for HIV, Hepatitis B (HBV) and C (HCV), (2) immunization for Hepatitis A (HAV), HBV, and tetanus, (3) prescription of naloxone at discharge, and (4) information on a syringe services program in or near their county. After review of the medical record, the QI team made recommendations on the appropriate taks from the checklist. The number of QI checklist tasks performed on the two inpatient teams during a 9-week pilot period (the above period excepting a two-week break) was reviewed. Baseline comparison data was not incorporated, owing to the challenges in retrospective identification of IDU-I. Results 20 patients were included in the intervention. The median age was 32 years (IQR 27-38) and 70% were female. The most common diagnosis was endocarditis (40%) and the median length of stay was 11 days (IQR 5-42). HIV and HCV tests were each conducted in 95% of patients (Table). Screenings for HAV and HBV immunity were done in 90% of patients. HAV, HBV, and Tdap immunizations were given to 20%, 35%, and 50%, respectively. Naloxone was provided to 60% of patients at discharge and half of patients were referred to syringe programs. HCV was detected in 8 patients and HBV in 2 patients. No patients were diagnosed with HIV. Percentage of infection and overdose prevention services provided to eligible IDU-I patients during hospitalization. Conclusion In a setting without comprehensive addiction consultation, a simple intervention provided guideline-concordant infection and overdose prevention services for persons hospitalized for IDU-I. Disclosures All Authors: No reported disclosures
    Type of Medium: Online Resource
    ISSN: 2328-8957
    Language: English
    Publisher: Oxford University Press (OUP)
    Publication Date: 2020
    detail.hit.zdb_id: 2757767-3
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  • 7
    In: G3 Genes|Genomes|Genetics, Oxford University Press (OUP), Vol. 9, No. 11 ( 2019-11-01), p. 3521-3530
    Abstract: The genus Aethionema is a sister-group to the core-group of the Brassicaceae family that includes Arabidopsis thaliana and the Brassica crops. Thus, Aethionema is phylogenetically well-placed for the investigation and understanding of genome and trait evolution across the family. We aimed to improve the quality of the reference genome draft version of the annual species Aethionema arabicum. Second, we constructed the first Ae. arabicum genetic map. The improved reference genome and genetic map enabled the development of each other. We started with the initially published genome (version 2.5). PacBio and MinION sequencing together with genetic map v2.5 were incorporated to produce the new reference genome v3.0. The improved genome contains 203 MB of sequence, with approximately 94% of the assembly made up of called (non-gap) bases, assembled into 2,883 scaffolds (with only 6% of the genome made up of non-called bases (Ns)). The N50 (10.3 MB) represents an 80-fold increase over the initial genome release. We generated a Recombinant Inbred Line (RIL) population that was derived from two ecotypes: Cyprus and Turkey (the reference genotype. Using a Genotyping by Sequencing (GBS) approach, we generated a high-density genetic map with 749 (v2.5) and then 632 SNPs (v3.0) was generated. The genetic map and reference genome were integrated, thus greatly improving the scaffolding of the reference genome into 11 linkage groups. We show that long-read sequencing data and genetics are complementary, resulting in an improved genome assembly in Ae. arabicum. They will facilitate comparative genetic mapping work for the Brassicaceae family and are also valuable resources to investigate wide range of life history traits in Aethionema.
    Type of Medium: Online Resource
    ISSN: 2160-1836
    Language: English
    Publisher: Oxford University Press (OUP)
    Publication Date: 2019
    detail.hit.zdb_id: 2629978-1
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