Search results: 222,475 results (approx.)

1. COVID-19 in an immunocompromised host: persistent shedding of viable SARS-CoV-2 and emergence of multiple mutations: a case report.

This article reports a case of a 21-year-old woman with refractory B-cell acute lymphocytic leukaemia who presented with severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2). She remained positive for SARS-CoV-2 by viral culture for 78 days and by polymerase chain reaction (PCR) for 97...

Author(s) : Leung, W. F.; Chorlton, S.; Tyson, J.; Al-Rawahi, G. N.; Jassem, A. N.; Prystajecky, N.; Masud, S.; Deans, G. D.; Chapman, M. G.; Mirzanejad, Y.; Murray, M. C. M.; Wong, P. H. P.

Publisher : Elsevier Ltd, Oxford, UK

Journal article : International Journal of Infectious Diseases 2022 Vol.114 pp.178-182 ref.16

2. Biological machinery for polycyclic aromatic hydrocarbons degradation: a review.

Polycyclic aromatic hydrocarbons (PAHs) are hazardous environmental pollutants with widespread and well-recognized health concerns. Amidst more than a hundred known PAHs, 16 are categorized as priority pollutants. Use of widely diverse biological machinery comprising bacteria, fungi, and algae...

Author(s) : Arfin Imam; Suman, S. K.; Kanaujia, P. K.; Anjan Ray

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Bioresource Technology 2022 Vol.343 ref.113

3. A closer look on the variety and abundance of the faecal resistome of wild boar.

Antimicrobial resistance (AMR) is a serious problem for public and animal health, and also for the environment. Monitoring and reporting the occurrence of AMR determinants and bacteria with the potential to disseminate is a priority for health surveillance programs around the world and critical to...

Author(s) : Dias, D.; Fonseca, C.; Mendo, S.; Caetano, T.

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Environmental Pollution 2022 Vol.292 No.Part B ref.59

4. Enhancing astaxanthin and lipid coproduction in Haematococcus pluvialis by the combined induction of plant growth regulators and multiple stresses.

Coupling chemical induction and abiotic stresses is a beneficial strategy for astaxanthin (Asta) induction in Haematococcus pluvialis. The combined application of melatonin (MT) and putrescine (Put) induced Asta and lipid biosynthesis in H. pluvialis under adverse conditions. Under MT and Put...

Author(s) : Xing HaiLiang; Zhao YongTeng; Li Tao; Han BenYong; Zhao Peng; Yu XuYa

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Bioresource Technology 2022 Vol.344 No.Part A ref.48

5. A constitutive stress response is a result of low temperature growth in the Antarctic green alga Chlamydomonas sp. UWO241.

The Antarctic green alga Chlamydomonas sp. UWO241 is an obligate psychrophile that thrives in the cold (4-6°C) but is unable to survive at temperatures ≥ 18°C. Little is known how exposure to heat affects its physiology or whether it mounts a heat stress response in a manner comparable to...

Author(s) : Cvetkovska, M.; Zhang Xi; Vakulenko, G.; Benzaquen, S.; Szyszka-Mroz, B.; Malczewski, N.; Smith, D. R.; Hüner, N. P. A.

Publisher : Wiley, Oxford, UK

Journal article : Plant, Cell and Environment 2022 Vol.45 No.1 pp.156-177

6. The amino acids of Autographa californica multiple Nucleopolyhedrovirus P48 critical for the association with Ac93 are important for the nuclear egress of nucleocapsids and efficient formation of intranuclear microvesicles.

Autographa californica multiple nucleopolyhedrovirus (AcMNPV) undergoes a biphasic life cycle with the production of two physically and functionally distinct virions: budded virions (BVs) and occlusion-derived virions (ODVs). Nuclear egress of nucleocapsids and intranuclear microvesicle formation...

Author(s) : Wang Yan; He JunJie; Mo Mei; Cai QingYun; Wu WenBi; Yuan MeiJin; Yang Kai

Publisher : Elsevier B.V., Amsterdam, Netherlands

Journal article : Virus Research 2022 Vol.308 ref.47

7. Structural characterization of an envelope-associated adeno-associated virus type 2 capsid.

Adeno-associated virus (AAV) are classified as non-enveloped ssDNA viruses. However, AAV capsids embedded within exosomes have been observed, and it has been suggested that the AAV membrane associated accessory protein (MAAP) may play a role in envelope-associated AAV (EA-AAV) capsid formation....

Author(s) : Hull, J. A.; Mietzsch, M.; Chipman, P.; Strugatsky, D.; McKenna, R.

Publisher : Elsevier, Amsterdam, Netherlands

Journal article : Virology 2022 Vol.565 pp.22-28 ref.39

8. An Adenovirus early region 4 deletion mutant induces g2/m arrest via ATM activation and reduces expression of the mitotic marker phosphorylated (ser10) histone 3.

Adenovirus (Ad) type 5 (Ad5) early region 4 (E4) proteins inhibit the DNA damage response (DDR) including activation of the DDR kinase ATM and its substrates, which can induce G2/M cell cycle arrest. Infection with Ad5 or the E4 deletion mutant H5dl1007 (1007) resulted in the accumulation of post...

Author(s) : Kafle, C. M.; Anderson, A. Y.; Prakash, A.; Swedik, S.; Bridge, E.

Publisher : Elsevier, Amsterdam, Netherlands

Journal article : Virology 2022 Vol.565 pp.1-12 ref.63

9. The local integration preference of the Tf1 retrotransposon in Schizosaccharomyces pombe.

Transposons are mobile DNAs that can move to different locations in host genomes. The integration site selection of transposons is critical for both themselves and host cells. Studies on the integration of retrotransposons and retroviruses have focused more on the global preference than on the...

Author(s) : Cui YuJin; Guo YaBin

Publisher : Elsevier, Amsterdam, Netherlands

Journal article : Virology 2022 Vol.565 pp.52-57

10. DNA-PK phosphorylation at Ser2056 during adenovirus E4 mutant infection is promoted by viral DNA replication and independent of the MRN complex.

Adenovirus (Ad) early region 4 (E4) mutants activate cellular DNA damage responses (DDRs) that include non-homologous end joining (NHEJ) pathways mediated by the DNA repair kinase DNA-PK and its associated factors Ku70/Ku86. NHEJ results in concatenation of the viral linear double-stranded DNA...

Author(s) : Chen, C.; Bridge, E.

Publisher : Elsevier, Amsterdam, Netherlands

Journal article : Virology 2022 Vol.565 pp.82-95 ref.59

11. Identification of catabolic pathway for 1-deoxy-D-sorbitol in Bacillus licheniformis.

1-Deoxy-D-sorbitol, the 1-deoxy analogue of D-sorbitol, has been detected in human urine as well as in natural herbs and spices. Although there are sporadic reports about 1-deoxy-D-sorbitol dehydrogenase, the complete catabolic pathway of 1-deoxy-D-sorbitol remains unsolved. Informed by the...

Author(s) : Li YongXin; Huang Hua; Zhang XinShuai

Publisher : Elsevier, Amsterdam, Netherlands

Journal article : Biochemical and Biophysical Research Communications 2022 Vol.586 pp.81-86 ref.40

12. Development of simplex and multiplex RT-qPCR assays for the detection of three cryptic viruses of black-grass (Alopecurus myosuroides).

Simplex and multiplex RT-qPCR assays were developed for Alopecurus myosuroides partitivirus 1 (AMPV1), Alopecurus myosuroides partitivirus 2 (AMPV2) and Alopecurus myosuroides varicosavirus 1 (AMVV1), and compared to the existing conventional PCR assays. All assays had a high specificity and their...

Author(s) : Santín Azcona, J.; Fox, A.; Boonham, N.

Publisher : Elsevier B.V., Amsterdam, Netherlands

Journal article : Journal of Virological Methods 2022 Vol.300 ref.16

13. An experimental strategy for preparing circular ssDNA virus genomes for next-generation sequencing.

The ability of begomoviruses to evolve rapidly threatens many crops and underscores the importance of detecting these viruses quickly and to understand their genome diversity. This study presents an improved protocol for the enhanced amplification and enrichment of begomovirus DNA for use in next...

Author(s) : Aimone, C. D.; Hoyer, J. S.; Dye, A. E.; Deppong, D. O.; Duffy, S.; Carbone, I.; Hanley-Bowdoin, L.

Publisher : Elsevier B.V., Amsterdam, Netherlands

Journal article : Journal of Virological Methods 2022 Vol.300 ref.59

14. A new single-chain variable fragment (scFv) antibody provides sensitive and specific detection of citrus tristeza virus.

Citrus tristeza virus (CTV) is the most economically important virus disease of citrus worldwide. To develop a specific serological assay for CTV, a Tomlinson phage display antibody library of single chain variable fragments (scFv) was screened with a recombinant CTV coat protein (CTV-CP)...

Author(s) : Raeisi, H.; Safarnejad, M. R.; Sadeghkhani, F.

Publisher : Elsevier B.V., Amsterdam, Netherlands

Journal article : Journal of Virological Methods 2022 Vol.300

15. Development of a new Collateral Cleavage-independent CRISPR/Cas12a based easy detection system for plant viruses.

Plant virus spread through various means, from mechanically to the insect vectors and act as obligate parasite, therefore, are extremely challenging to eradicate. Geminiviruses are an important class of viruses which have reported extensively in last two decades on several new hosts. They infect...

Author(s) : Ashish Srivastava; Taruna Gupta; Sonal Srivastava; Sunny Dhir; Prashant Kumar; Tripti Singhal; Asha Rani; Narayan Rishi

Publisher : Elsevier B.V., Amsterdam, Netherlands

Journal article : Journal of Virological Methods 2022 Vol.300

16. Detection and absolute quantitation of watermelon mosaic virus by real-time RT-PCR with a TaqMan probe.

Watermelon mosaic virus (WMV) causes serious damage to several crops worldwide, mainly cucurbits. Disease control is based on preventing spread and search for natural resistances for plant breeding, which requires tools for sensitive detection and precise quantitation. We developed a procedure...

Author(s) : Rubio, L.; Giménez, K.; Romero, J.; Font-San-Ambrosio, M. I.; Alfaro-Fernández, A.; Galipienso, L.

Publisher : Elsevier B.V., Amsterdam, Netherlands

Journal article : Journal of Virological Methods 2022 Vol.300

17. Development of a highly sensitive and rapid detection method for Pea enation mosaic virus using loop-mediated isothermal amplification assay.

The Pea enation mosaic virus (PEMV) has infected plants in the family Leguminosae such as pea, chickpea, faba bean, and lentil plants worldwide that the virus can be transmitted by sap, aphids, and seeds. Among the damages that PEMV disease cause in plants are reduced crop productivity, severely...

Author(s) : Kim JinHo; Lee Siwon; Park EungRoh; Jang WonCheoul

Publisher : Elsevier B.V., Amsterdam, Netherlands

Journal article : Journal of Virological Methods 2022 Vol.300

18. Optimisation of methodology for whole genome sequencing of Measles Virus directly from patient specimens.

In an era of decreasing genetic diversity of Measles Virus (MeV), effective surveillance requires a higher-resolution genotyping method or whole genome sequencing (WGS) to document elimination. Through optimization of MeV WGS protocol, we developed a MeV-specific probe enrichment method that allows ...

Author(s) : Schulz, H.; Hiebert, J.; Frost, J.; McLachlan, E.; Severini, A.

Publisher : Elsevier B.V., Amsterdam, Netherlands

Journal article : Journal of Virological Methods 2022 Vol.299 ref.31

19. Molecular epidemiology of Yellow fever virus in Africa: a perspective of the phylogeographic split between East/Central African and West African lineages.

Yellow fever (YF) is a major public-health problem in Africa. Yellow fever virus (YFV), the etiological agent responsible for the disease, exhibits clear delineation of phylogeography between East/Central Africa and West Africa. In order to decipher the genetic nature of the YFV epidemic between...

Author(s) : Li Yan

Publisher : Elsevier B.V., Amsterdam, Netherlands

Journal article : Acta Tropica 2022 Vol.225

20. Increased nitrate concentration differentially affects cell growth and expression of nitrate transporter and other nitrogen-related genes in the harmful dinoflagellate Prorocentrum minimum.

The molecular mechanisms through which dinoflagellates adapt to nitrate fluctuations in aquatic environments remain poorly understood. Here, we sequenced the full-length cDNA of a nitrate transporter (NRT) gene from the harmful marine dinoflagellate Prorocentrum minimum Schiller. The cDNA length...

Author(s) : Ki JangSeu; Abassi, S.

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Chemosphere 2022 Vol.288 No.Part 2 ref.65

21. Effect of sublethal concentrations of bactericidal antibiotics on mutation frequency and stress response of Listeria monocytogenes.

The purpose of this study was to investigate sublethal concentrations (SLC) of bactericidal antibiotics (ampicillin, gentamicin, kanamycin, and vancomycin) on the mutation frequency and stress response of antibiotic-induced-mutated (AIM) Listeria monocytogenes. Three L. monocytogenes strains...

Author(s) : Byun KyeHwan; Han SangHa; Choi MinWoo; Park SiHong; Ha SangDo

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Food Research International 2022 Vol.151 ref.54

22. Interaction between 038r and 125R of Cherax quadricarinatus Iridovirus (CQIV) and their effects on virus replication.

Iridovirids are a group icosahedral viruses containing linear double-stranded DNA, and mainly infect invertebrates and poikilothermic vertebrates. Cherax quadricarinatus iridovirus (CQIV) is a new species of the family Iridoviridae and can cause high mortality in shrimps. In CQIV genome, there are...

Author(s) : Zheng Qin; You YanLin; Li Fang; Lai QingNa; Chen JianMing

Publisher : Elsevier, Amsterdam, Netherlands

Journal article : Journal of Invertebrate Pathology 2022 Vol.187 ref.32

23. Antibiotic degradation dominates the removal of antibiotic resistance genes during composting.

To identify the key hosts involved in horizontal gene transfer (HGT) and vertical gene transfer (VGT) of antibiotic resistance genes (ARGs) and to determine the extent to and ways in which environmental properties contribute to ARG removal, the changes in ARG profile and key hosts during biogas...

Author(s) : Yue ZhengFu; Zhang Jing; Zhou ZhiGao; Ding ChangFeng; Zhang TaoLin; Wan LiPing; Wang XingXiang

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Bioresource Technology 2022 Vol.344 No.Part B ref.39

24. Development of efficient microbial cell factory for whole-cell bioconversion of L-threonine to 2-hydroxybutyric acid.

Production of 2-hydroxybutyric acid (2-HBA) was attempted in recombinant Escherichia coli W3110 Δtdh ΔilvIH (over)expressing a homologous and mutated threonine dehydratase (ilvA*) and a heterologous 2-ketobutyric acid (2-KBA) reductase from Alcaligenes eutrophus H16 (Ae_ldh). To prevent the...

Author(s) : Le Thai; Park SungHoon

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Bioresource Technology 2022 Vol.344 No.Part B ref.31

25. Apoptosis versus survival of African horse sickness virus serotype 4-infected horse peripheral blood mononuclear cells.

Expanding on our previous work, this study used transcriptome analysis of RNA sequences to investigate the various factors that contributed to either inducing apoptosis that resulted in cell death or promoting the survival of African horse sickness virus serotype 4 (AHSV4)-infected horse peripheral ...

Author(s) : Faber, E.; Tshilwane, S. I.; Kleef, M. van; Pretorius, A.

Publisher : Elsevier B.V., Amsterdam, Netherlands

Journal article : Virus Research 2022 Vol.307 ref.66