Browsing Biological & Environmental Sciences by Title
Now showing items 389-408 of 824
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Helminth parasites of fishes from two inland lakes in Egypt
( Nihon Kiseichu Gakkai , 1990 , Article)Results of helminthological examination of 1243 fishes, caught from two inland lakes, with unique and contrasting hydrobiological features at Fayoum Governate in Egypt, are presented. General incidence of trematodes, ... -
Heterologous expression and secretion of an antifungal Bacillus subtilis chitosanase (CSNV26) in Escherichia coli
( Springer-Verlag Berlin Heidelberg , 2013 , Article)The aims of the study were the production improvement, the purification, the characterization and the activity investigation of chitosanase CSNV26 of Bacillus subtilis (V26). The gene csnV26 encoding for this protein was ... -
Hiding in the background: community-level patterns in invertebrate herbivory across the tundra biome
( Springer Verlag , 2019 , Article)Invertebrate herbivores depend on external temperature for growth and metabolism. Continued warming in tundra ecosystems is proposed to result in increased invertebrate herbivory. However, empirical data about how current ... -
Hidradenitis Suppurativa: A Perspective on Genetic Factors Involved in the Disease.
( MDPI , 2022 , Article)Hidradenitis Suppurativa (HS) is a chronic inflammatory skin disease of the pilosebaceous unit, clinically consisting of painful nodules, abscesses, and sinus tracts mostly in, but not limited to, intertriginous skin areas. ... -
High-performance removal of toxic phenol by single-walled and multi-walled carbon nanotubes: Kinetics, adsorption, mechanism and optimization studies
( Korean Society of Industrial Engineering Chemistry , 2016 , Article)The adsorption capabilities of two nano-sized adsorbents: multi-walled carbon nanotubes (MWCNTs) and single-walled carbon nanotubes (SWCNTs) were investigated for the removal of toxic phenol. The maximum adsorption capacities ... -
Histopathological effects and determination of the putative receptor of Bacillus thuringiensis Cry1Da toxin in Spodoptera littoralis midgut
( Elsevier , 2012 , Article)Bacillus thuringiensis subsp. aizawai strain HD133, known by its effectiveness against Spodoptera species, produces many insecticidal proteins including Cry1Ab, Cry1Ca and Cry1Da. In the present study, the insecticidal ... -
Hiv-1 infection transcriptomics: Meta-analysis of cd4+ t cells gene expression profiles
( MDPI , 2021 , Article Review)HIV-1 infection elicits a complex dynamic of the expression various host genes. High throughput sequencing added an expressive amount of information regarding HIV-1 infections and pathogenesis. RNA sequencing (RNA-Seq) is ... -
Holistic health record for Hidradenitis suppurativa patients.
( Nature Research , 2022 , Article)Hidradenitis suppurativa (HS) is a recurrent inflammatory skin disease with a complex etiopathogenesis whose treatment poses a challenge in the clinical practice. Here, we present a novel integrated pipeline produced by ... -
Host Response of Syrian Hamster to SARS-CoV-2 Infection including Differences with Humans and between Sexes
( MDPI , 2023 , Article)The emergence of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has highlighted the importance of having proper tools and models to study the pathophysiology of emerging infectious diseases to test therapeutic ... -
Hot Spots for Poly Aromatic Hydrocarbons (PAHs) in Sediments and Benthic Organisms in the Coastal Water of Qatar
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)The state of Qatar has a strategic location within the heart of the Arabian Gulf, the richest oil area in the world. Its extensive coastline (700 km) is experiencing some of the most radical environmental conditions in the ... -
How functional traits of estuarine macrobenthic assemblages respond to metal contamination?
( Elsevier B.V. , 2016 , Article)The effects of metal contamination on estuarine macrobenthic communities were investigated using the Biological Traits Analysis (BTA). The study was carried out in the Tagus estuary (western Portugal). Samples of macrobenthic ... -
Human and avicennia marina mangrove populations: With special reference to Qatar
( University of Akron , 2017 , Article)This study's aim is to find out the reasons and the ways to ensure the survival of Qatari mangroves along with the current development of the country. Mangroves are halophyte trees, able to survive in intertidal areas, ... -
Human Defensins from Antivirals to Vaccine Adjuvants: Rediscovery of the Innate Immunity Arsenal
( Bentham Science Publishers , 2022 , Other)Human defensins are a class of antimicrobial peptides, belonging to the innate immunity system. These peptides are expressed at the level of respiratory tract (both upper and lower) where they represent the first line of ... -
Hypolithic cyanobacteria colonization of quartz at South Desert
( Science Publications , 2014 , Article)Hypolithic microbial communities (found underneath rocks) were encountered in the southern desert of Qatar where quartz rocks are ubiquitous and are a substrate for hypoliths. These hypoliths thrive where extreme temperature, ... -
Hypoxia in the central Arabian Gulf Exclusive Economic Zone (EEZ) of Qatar during summer season
( Elsevier , 2015 , Article)Abstract One of the most fascinating and unexpected discoveries during the Qatar University Marine Expeditions to the marine Exclusive Economic Zone (EEZ) of Qatar in 2000–2001, was the detection of a hypoxic water layer ... -
Identification and overcome of limitations of weathered oil hydrocarbons bioremediation by an adapted Bacillus sorensis strain
( Academic Press , 2019 , Article)Because of the high production of oil and gas in Qatar, the likelihood of oil spill occurrence is most probably susceptible to happen. Contaminated soil treatment is very expensive. Cost effective mechanisms are investigated ... -
Identification of phenolic compounds by HPLC/MS and in vitro evaluation of the antioxidant and antimicrobial activities of Ceratonia siliqua leaves extracts
( Academic Jounals , 2015 , Article)Ceratonia siliqua is a typical plant of the Mediterranean area, which is mainly used as animal and human food and in folk medicine for treating some diseases such as antidiarrheal and diuretic. The present study was planned ... -
Identifying priority landscapes for conservation of snow leopards in Pakistan
( Public Library of Science , 2020 , Article)Pakistan's total estimated snow leopard habitat is about 80,000 km2 of which about half is considered prime habitat. However, this preliminary demarcation was not always in close agreement with the actual distribution-the ... -
IMA Genome-F 4: Draft genome sequences of Chrysoporthe austroafricana, Diplodia scrobiculata, Fusarium nygamai, Leptographium lundbergii, Limonomyces culmigenus, Stagonosporopsis tanaceti, and Thielaviopsis punctulata
( International Mycological Association , 2015 , Article)The genomes of Chrysoporthe austroafricana, Diplodia scrobiculata, Fusarium nygami, Leptographium lundbergii, Limonomyces culmigenus, Stagonosporopsis tanaceti, and Thielaviopsis punctulata are presented in this genome ... -
Immobilization of heavy metals by microbially induced carbonate precipitation using hydrocarbon-degrading ureolytic bacteria
( Elsevier , 2022 , Article)Crude oil contamination introduces multiple threats to human health and the environment, most of which are from toxic heavy metals. Heavy metals cause significant threats because of their persistence, toxicity, and ...