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Topic: DsDNA virus

In the News (Fri 27 Nov 09)

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	Varicella-zoster virus article - Varicella-zoster virus Scientific classification Virus dsDNA viruses Herpesviridae - ... (Site not responding. Last check: 2007-11-04)

The varicella-zoster virus (VZV), also known as Human herpesvirus 3 (HHV-3), is one of the eight herpesviruses known to affect humans (and other vertebrates).

The virus is very susceptible to disinfectants, notably sodium hypochlorite.

It was developed by Merck, Sharp and Dohme in the 1970s from a virus isolated by Mishiaki Takahashi and identified as Oka.

www.what-means.com /encyclopedia/Varicella-zoster_virus (251 words)

	Viruses
		Virus' integument is first entering in interactions from cell host and her origin element it influences on way of virus' as well as penetration infection cells inside.
		Process of the virus' penetration to inside the host's cell dependent it is from character this cell, particularly from her superficial structures in result of what the penetration sets in animal devoid the cellular wall cells differently than in vegetable and bacterial.
		It it virus to this group was one should was was smallpox, which as first became examined in detail, as well as vaccine's virus (cowpox), which it causes in human cells very gentle and not dangerous infection.
	www.przyrodnik.com /wirusy_gb.html (3775 words)

	Papovaviruses
		Virus particles enter by the nuclear pores and uncoating occurs inside the nucleus.
		Virus proteins contain 'nuclear localization signals' which results in their accumulation in the nucleus, where they migrate after being synthesized in the cytoplasm.
		Virus is shed from epidermal cells when these are sloughed off and is transmitted by direct contact (esp. genital warts) and indirect contact.
	www.tulane.edu /~dmsander/WWW/335/Papovaviruses.html (2821 words)

	Bacteriophage Ecology Group — Cyanophage References (Site not responding. Last check: 2007-11-04)
		Proteinases induced by the virus are distinguished from those of native cells by a series of physico-chemical characteristics and possess higher catalytic activity.
		Studies of age changes and culture conditions suggest that the resistance of the obtained cyanobacteria clones to virus infection is associated with a spontaneous mutation-induced modification in cell receptors.
		Mutation to resistance for virus AS-1 in the cyanobacterium Anacystis nidulans.
	www.mansfield.ohio-state.edu /~sabedon/bib_cp.htm (17387 words)

	Space Studies Board
		This smaller gene size is the result of three characteristics of virus genes: (1) virus genes usually have little intragenic space between them or, in some cases, genes overlap; (2) some virus-encoded enzymes are smaller than their counterparts from free-living organisms; and (3) introns occur rarely, if at all, in some viruses.
		Thus, depending on the virus and bacterium being compared, the average functional virus gene is 10 to 50% smaller than the average bacterial gene.
		The sequence of the Orgyia pseudotsugata multinucleocapsid nuclear polyhedrosis virus genome.
	www7.nationalacademies.org /ssb/nanopanel2vanetten.html (2983 words)

	Virus classification - Wikipedia, the free encyclopedia
		Viruses can be classified in several ways, such as by their geometry, by whether they have envelopes, by the identity of the host organism they can infect, by mode of transmission, or by the type of disease they cause.
		It should be noted that none of these classifications are expected to be phylogenetic, as viruses may not share a common origin.
		Approximately 80 families and 4000 species of virus are known.
	en.wikipedia.org /wiki/Virus_classification (691 words)

	Virus Taxonomy
		Early virus classification was based on the diseases caused by viruses.
		Virus taxonomy has steered away from the Latinised binomial system adopted in the 18th century and applied to the taxonomy of biological systems by Karl von Linné (Carolus Linneaus).
		Because taxon and taxonomic unit names are sometimes the same, confusion results when virus names are written in short-hand or used incorrectly in conversation.
	www.uq.edu.au /vdu/VDUTaxonomy.htm (297 words)

	Viral Replication and Genetics
		Regardless of whether the virus has a DNA or RNA genome, ss, ds, segmented or monopartite, it has to produce mRNAs that are recognized and translated by the host cell machinery.
		Replication occurs in the nucleus and involves the generation of a - sense DNA strand to serve as a template for the + sense DNA genome for the progeny virions.
		The natural virus; such viruses are used as reference strains for the comparisons of mutants and variants of a particular virus.
	www.ivis.org /advances/Carter/Part1Chap3/chapter.asp?LA=1&textsize=small&figure=hidden (4007 words)

	[No title] (Site not responding. Last check: 2007-11-04)
		The life cycle of the HIV virus consists of nine phases beginning with the attachment phase and ending with budding of new formed virus.
		Reverse transcriptase is encoded in the virus genome and is carried in the virus particle (it enters the cell with the virus) like integrase.
		The AIDS virus (HIV) only attacks cells with a specific receptor, such as T lymphocytes (T cells); thus, the cytopathic effect of HIV is the destruction of T lymphocytes.
	www.uwrf.edu /~kk00/poster/HIV/PAGE.HTM (1364 words)

	Johnson & Schneeman Publication Page (Site not responding. Last check: 2007-11-04)
		Taylor, D. J., Krishna, N. K., Canady, M. A., Schneemann, A., and Johnson, J. Large-scale, pH-dependent, quaternary structure changes in an RNA virus capsid are reversible in the absence of subunit autoproteolysis.
		Schneemann A, Dasgupta R, Johnson J, Rueckert R. Use of recombinant baculoviruses in synthesis of morphologically distinct viruslike particles of flock house virus, a nodavirus.
		Use of recombinant baculoviruses in synthesis of morphologically distinct viruslike particles of flock house virus, a nodavirus.
	lav.scripps.edu /recpapers/recpapers.shtml (7994 words)

	Bacteriohage
		There is a tremendous specificity in the interaction between the virus and the host.
		The phage capsids are assembled as the virus "buds" from the cell, allowing continued growth of the host.
		The virus attaches to LPS of the outer cell wall membrane of E.
	faculty.washington.edu /jclara/410/Outlines/Bacteriohage.html (1040 words)

	Herpes Virus Research Laboratory
		Virus and cell membranes then fuse in a process that introduces the capsid into the cytoplasm as shown diagramatically below.
		The virus DNA is replicated in the nucleus where progeny capsids are also formed.
		The mechanism of DNA packaging in HSV-1 is expected to resemble that in dsDNA bacteriophage because of similarities in the mechanism of capsid formation and because of the existence in the HSV-1 genome of genes encoding homologs of bacteriophage packaging proteins.
	www.people.virginia.edu /~jcb2g/research/background.htm (1198 words)

	Double-stranded DNA-induced localized unfolding of HCV NS3 helicase subdomain 2 -- Liu et al. 12 (12): 2757 -- Protein ...
		) and at pH 4.4 in the absence of dsDNA.
		Also shown is the sequence of the CI helicase of a plant potyvirus, plum pox virus (PPV), and those of seven DEAH-box proteins from the yeast Saccharomyces cerevisiae, which are classified as RNA helicases ( http://www.expasy.ch/linder/helicases_list.html).
		Levin, M.K. and Patel, S.S. Helicase from hepatitis C virus, energetics of DNA binding.
	www.proteinscience.org /cgi/content/full/12/12/2757 (4807 words)

	Unassigned Viruses
		The virus is mechanically transmissible and transmitted in nature by the whitefly Bemisia tabaci in a se mi-persistent manner.
		The virus is readily transmitted by sap inoculation.
		The Oryctes rhinoceros virus is a pathogenic virus of invertebrates, infecting a number of coleopteran insects in the family Scarabaeidae.
	www.ncbi.nlm.nih.gov /ICTVdb/Ictv/fs_unass.htm (1631 words)

	IRCEB Publications (Site not responding. Last check: 2007-11-04)
		Induction of apoptosis in frog virus 3-infected cells.
		Chinchar VG, Wang J, Murti G, Carey C and Rollins-Smith L. Inactivation of frog virus 3 and channel catfish virus by esculentin-2P and ranatuerin-2P, two antimicrobial peptides isolated from frog skin.
		Migratory birds as vectors of a pathogenic amphibian virus.
	artemis.la.asu.edu /irceb/amphibians/text/publications.htm (2679 words)

	The Bamford Laboratory - Publications (Site not responding. Last check: 2007-11-04)
		Intermediates in the assembly pathway of the double-stranded RNA virus phi6.
		Virus Taxonomy, Classification and Nomenclature of Viruses (F.A. Murphy, C.M. Fauquet, D.H.L. Bishop, S.A. Ghabrial, A.W. Jarvis, G.P. Martelli, M.A. Mayo, M.D. Summers, eds.)205-207.
		Structure and assembly of bacteriophage PRD1, and Escherichia coli virus with a membrane.
	www.dblab.helsinki.fi /homepage/publications.html (4866 words)

	Microbiology \| Study Outline
		Virus is spread by respiratory droplets, and the resulting infection is mild in children (a rash), but disastrous for pregnant women in first trimester; in pregnant women it causes congenital rubella syndrome, which leads to fetal death, premature delivery, and congenital defects
		Virus produces latent and chronic infections and can be reactivated in immunocompromised individuals, leading to pneumonitis; virus has been implicated in a variety of other diseases, including chronic fatigue syndrome and lymphadenitis; diagnosis is by immunofluorescence or enzyme immunoassay; there is neither treatment nor prevention currently available
		Virus is spread by intimate contact with virus-contaminated blood, in utero from mother to fetus, by the fecal-oral route, or through organ transplants
	highered.mcgraw-hill.com /sites/0072320419/student_view0/chapter38/study_outline.html (2219 words)

	A Phage Single-Stranded DNA (ssDNA) Binding Protein Complements ssDNA Accumulation of a Geminivirus and Interferes with ...
		In vitro evidence that the coat protein of alfalfa mosaic virus plays a direct role in the regulation of plus and minus RNA synthesis: implications for the life cycle of alfalfa mosaic virus.
		Genetic analysis of tomato golden mosaic virus: the coat protein is not required for systemic spread or symptom development.
		Genetic analysis of tomato golden mosaic virus: ORF AL2 is required for coat protein accumulation while ORF AL3 is necessary for efficient DNA replication.
	jvi.asm.org /cgi/content/full/73/2/1609 (5050 words)

	Definition of Vaccinia
		Vaccinia virus is closely related to the virus that causes cowpox.
		Prior to the use of vaccinia, smallpox epidemics were controlled somewhat through the use of inoculation -- a deliberate, minor exposure to the disease.
		Cowpox virus strain GRI-90 ( http://www.ncbi.nlm.nih.gov:80/entrez/query.fcgi?cmd=Retrieveanddb=pubmedanddopt=Abstractandlist_uids=14718625) is the closest known match to vaccinia.
	www.wordiq.com /definition/Vaccinia (225 words)

	Phylogenetic analysis and possible function of bro-like genes, a multigene family widespread among large ...
		Alignment of the consensus sequences deduced from amino acid sequence analyses of each of the eight groups (G1–G8) of BRO and BRO-l proteins identified in dsDNA genomes of invertebrate viruses and bacteriophages.
		Harrison, R. and Bonning, B. The nucleopolyhedroviruses of Rachiplusia ou and Anagrapha falcifera are isolates of the same virus.
		Schnitzler, P., Delius, H., Schollz, J., Touray, M., Orth, E. and Darai, G. Identification and nucleotide sequence analysis of the repetitive DNA element in the genome of fish lymphocystis virus.
	vir.sgmjournals.org /cgi/content/full/84/9/2531 (5999 words)

	DNA virus - Wikipedia, the free encyclopedia
		A DNA virus is a virus that has DNA as its genetic material and does not use an RNA intermediate during replication.
		Viruses that either have RNA as their genetic material or use an RNA intermediate during replication are called RNA viruses.
		The DNA can either be single- (ssDNA) or double-stranded (dsDNA), the latter being more common.
	en.wikipedia.org /wiki/DsDNA_virus (93 words)

	DNA forms indicate rolling circle and recombination-dependent replication of Abutilon mosaic virus -- Jeske et al. 20 ... (Site not responding. Last check: 2007-11-04)
		Evans,D. and Jeske,H. (1993) Complementation and recombination between mutants of complementary sense genes of DNA A of Abutilon mosaic virus.
		Saunders,K., Lucy,A. and Stanley,J. (1991) DNA forms of the geminivirus African cassava mosaic virus consistent with a rolling circle mechanism of replication.
		Saunders,K., Lucy,A. and Stanley,J. (1992) RNA-primed complementary-sense DNA synthesis of the geminivirus African cassava mosaic virus.
	embojournal.npgjournals.com /cgi/content/full/20/21/6158 (6357 words)

	Penetration of Membrane-Containing Double-Stranded-DNA Bacteriophage PM2 into Pseudoalteromonas Hosts -- Kivelä et ...
		The nonradioactive virus was grown on ER72M2 in SB broth and
		A corresponding amount of labeled virus particles alone was used as a control (open circles).
		The radioactivity on top of the control gradient (virus only) was subtracted from the adsorption experiment to correct the effect of spontaneously dissociated phage particles.
	jb.asm.org /cgi/content/full/186/16/5342 (7868 words)

	PUBLICATIONS
		“The structure of a neutralized virus: canine parvovirus complexed with a neutralizing antibody fragment”.
		Wikoff, W.R., Duda, R.L., Hendrix, R.W. and Johnson, J.E. “The structure of the dsDNA bacteriophage HK97 at 7 Å resolution: implications for assembly”.
		International Conference in Virus and Phage Assembly, Rio Rico, AZ, June 8 - 13, 1999.
	www.biochem.wustl.edu /~wikoff/mtgabs1.html (575 words)

	The Unique Vertex of Bacterial Virus PRD1 Is Connected to the Viral Internal Membrane -- Strömsten et al. 77 (11): ...
		with a linear dsDNA genome, infecting the gram-positive Bacillus
		its absence only empty virus particles are produced ( 49).
		This is in contrast to the tailed dsDNA bacteriophages
	jvi.asm.org /cgi/content/full/77/11/6314 (4895 words)

	Search Tuna Report for Epstein-Barr Virus (Site not responding. Last check: 2007-11-04)
		EMedicine - Mononucleosis And Epstein-Barr Virus Infection :...
		Epstein-Barr Virus Virus Classification Group: Group I DsDNA Family: Herpesviridae Genus: Lymphocryptovirus Species: Human Herpesvirus 4 HHV-4 The Epstein-Barr Virus EBV, Also Called Human Herpesvirus 4 HHV-4 Is A Virus Of The Herpes Family Which Includes Herpes Simplex Virus And Cytomegalovirus, And One Of The Most Common Viruses In Humans....
		Epstein-Barr Virus EBV Is Present In Tumor Cells Of More Than 90% Of Cases Of Burkitt's Lymphoma BL In Areas Of Endemicity In Equatorial Africa And New Guinea, As Well As In Tumor Cells Of About 10% Of Sporadic Cases Of BL Occurring Worldwide....
	www.searchtuna.com /ftlive2/3087.html (2675 words)

	Viruses
		Have a knowledge of the principles of structure, classification and replication of major viruses of medical importance.
		Understand the principles of diagnosis of virus infections.
		Management of more trivial infections depends on control of symptoms, as there are few antiviral agents available.
	www-micro.msb.le.ac.uk /MBChB/7.html (219 words)

	Microbiology -- Virology (Site not responding. Last check: 2007-11-04)
		The virus remains dormant in the nerve until activated, when it then travels down the neuron to epithelial cells and replication is reinitiated.
		Influenza viruses are often named by their predominant geographic origin, i.e., Hong Kong flu virus
		The influenza viruses are enveloped viruses spiked with hemagglutinin proteins that are used for the attachment to the host cell
	nsm1.utdallas.edu /bio/gonzalez/lecture/micro/virology.htm (1527 words)

	Lecture 9
		Synthesis of virus proteins and replication of virus genome
		Describe two general mechanisms by which RNA viruses overcome the lack of internal translation initiation in eukaryotic cells.
		What is the difference between a latent virus infection and a persistent virus infection?
	www.uwrf.edu /~W1082807/manual/lec9.html (343 words)

	[No title]
		A bacteriophage that reproduces only by a lytic cycle is said to be:
		Which of the following types of nucleic acid may serve as the core of a virus (ss=single-stranded, ds=double-stranded)?
		A virus has a base ratio of (A + G)/(U + C) = 1.
	www.micro.utexas.edu /grad/bgoodson/practiceexamIII.htm (552 words)

	Nuclear polyhedrosis virus, Nucleopolyhedrovirus spp. (dsDNA viruses, no RNA stage: Baculoviridae) @ Invasive.org
		(dsDNA viruses, no RNA stage: Baculoviridae) @ Invasive.org
		Viruses > dsDNA viruses, no RNA stage > Baculoviridae > Nucleopolyhedrovirus spp.
		Invasive.org is a joint project of The Bugwood Network, USDA Forest Service and USDA APHIS PPQ.
	www.invasive.org /browse/subimages.cfm?SUB=3488 (72 words)

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Topic: DsDNA virus

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In the News (Fri 27 Nov 09)