Results 41 to 50 of about 315,042 (319)

A cadaveric study of anterior communicating artery

open access: yesNational Journal of Clinical Anatomy, 2021
Background: Anterior communication artery is a collateral channel that connects the right and left anterior cerebral arteries in the circle of Willis. This helps in stabilizing the cerebral blood flow.
Sunitha Narayanan, G N Geetha
doaj   +1 more source

Molecular characterization and reclassification of a 1.18 Mbp DMD duplication following positive carrier screening for Duchenne/Becker muscular dystrophy

open access: yesClinical Case Reports, 2022
A 2‐month‐old male patient harboring a duplication of DMD exons 1–7 classified as pathogenic by an outside institution presented with mildly elevated creatine phosphokinase (CK); molecular breakpoint analysis by our laboratory reclassified the ...
Cinthya J. Zepeda‐Mendoza   +5 more
doaj   +1 more source

Genome Wide Identification and Expression Profiling Indicate Expansion of Family I84 Protease Inhibitor via Gene Tandem Duplication and Divergence in Razor Clam Sinonovacula constricta

open access: yesFrontiers in Immunology, 2022
Family I84 protease inhibitors represent a novel family in the MEROPS peptidase database and are likely unique for molluscan host defense. Two Family I84 members, scSI-1 and scSI-2, were reported from the razor clam Sinonovacula constricta in a previous ...
Sheng Liu   +9 more
doaj   +1 more source

A Rare Variant of Urethral Duplication: Type-3 Bladder and Complete Urethral Duplication

open access: yes, 2020
Urethral duplication is a rare congenital anomaly with several anatomical variations. Persistence of duplicated urethra and related sphincter mechanism are mainly the reasons for the symptoms.
Tolga Özcan   +7 more
core   +1 more source

Identification of group B respiratory syncytial viruses that lack the 60-nucleotide duplication after six consecutive epidemics of total BA dominance at coastal Kenya [PDF]

open access: yes, 2013
Respiratory syncytial virus BA genotype has reportedly replaced other group B genotypes worldwide. We report the observation of three group B viruses, all identical in G sequence but lacking the BA duplication, at a coastal district hospital in Kenya in ...
Agoti, Charles N.   +4 more
core   +1 more source

Evolution of a complex locus : exon gain, loss and divergence at the Gr39a locus in Drosophila [PDF]

open access: yes, 2008
Background. Gene families typically evolve by gene duplication followed by the adoption of new or altered gene functions. A different way to evolve new but related functions is alternative splicing of existing exons of a complex gene.
Butlin, Roger K.   +19 more
core   +1 more source

Research of the Optimization of a Data Mining Algorithm Based on an Embedded Data Mining System

open access: yesCybernetics and Information Technologies, 2013
At present most of the data mining systems are independent with respect to the database system, and data loading and conversion take much time. The running time of the algorithms in a data mining process is also long.
Wang Xindi, Chen Mengfei, Chen Li
doaj   +1 more source

Peanut stunt virus symptom attenuation is associated with an unusual mutation in the virus genome [PDF]

open access: yesپژوهش های کاربردی در گیاهپزشکی
Plant viruses may behave differently in glasshouse than in nature, especially those that are naturally transmitted by vector. Biological assays, as the oldest and still used virus detection methods, involve inoculation of host plant and monitoring ...
نعمت سخندان بشیر
doaj   +1 more source

8p23.1 duplication syndrome differentiated from copy number variation of the defensin cluster at prenatal diagnosis in four new families

open access: yes, 2010
Background: the 8p23.1 duplication syndrome and copy number variation of the 8p23.1 defensin gene cluster are cytogenetically indistinguishable but distinct at the molecular level.
Emma-Jane Taylor   +41 more
core   +1 more source

Identification, Characterization, and Expression Profile Analysis of the mTERF Gene Family and Its Role in the Response to Abiotic Stress in Barley (Hordeum vulgare L.)

open access: yesFrontiers in Plant Science, 2021
Plant mitochondrial transcription termination factor (mTERF) family regulates organellar gene expression (OGE) and is functionally characterized in diverse species.
Tingting Li   +7 more
doaj   +1 more source

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