Infection virus cultivation. Medical search. Frequent questions

The increase in cannabis cultivation is generating conditions for the spread of new pathogens. (unibo.it)
Dr Bernie Lorenz, PhD, chief science officer at ProKure Solutions in Phoenix, Arizona, US, is leading the effort as a technical contact for a new ASTM International Standard that may revolutionise cleaning and disinfecting protocols for indoor and greenhouse cannabis cultivation facilities. (thecleanzine.com)

Here, the authors analysed immune response to two consecutive coronavirus infections and observed that hamsters infected with seasonal coronaviruses were not protected from COVID-19 despite cross-reactive antibodies. (springernature.com)
Schwartz D.A., Graham A.L. Potential maternal and infant outcomes from (Wuhan) coronavirus 2019-nCoV infecting pregnant women: lessons from SARS, MERS, and other human coronavirus infections. (aig-journal.ru)

Most of these viruses infect bacteria, which are also found in huge numbers. (elifesciences.org)
Genetic surveys have revealed that the viruses and bacteria in the oceans are extremely diverse, yet the interactions between them can be highly specific. (elifesciences.org)
However, it is challenging to link marine bacteria with their viruses because most of them cannot be cultured on artificial media in the lab, which is the traditional method for studying virus-bacteria interactions. (elifesciences.org)
In summer, viruses from the order Caudovirales (orange) and the family Microviridae (blue) become abundant at depths where the water contains very little oxygen (pale blue regions) because their hosts, SUP05 bacteria (black), are also abundant in these oxygen minimum zones. (elifesciences.org)
The viruses can shuttle bacterial genes between different host cells ( A ). This can lead to changes in the metabolism of the host bacteria if the new genes are expressed by the host cells ( B ). Co-infection of a host cell by two different viruses could lead to new combinations of genes in the bacterial genome ( C ). (elifesciences.org)
iPHoP: A Matchmaker for Phages and their Hosts Building on existing virus-host prediction approaches, a new tool combines and evaluates multiple predictions to reliably match viruses with their archaea and bacteria hosts. (doe.gov)
The discovery of giant viruses, with capsids as large as some bacteria, megabase-range genomes and a variety of traits typically found only in cellular organisms, was one of the most remarkable breakthroughs in biology. (doe.gov)
Viruses are not able to grow on culture media as that of bacteria and they require healthy living cells called host cells. (biologyease.com)
Among the most common infections in agriculture are crop diseases caused by bacteria. (eos.com)
Oregano also might help with digestion and with fighting against some bacteria and viruses. (go4worldbusiness.com)
Using a proprietary application of atmospheric cold plasma, airPHX is both scalable and affordable, and has been proven effective on 30 common HAI pathogens including bacteria, viruses and protozoa. (thecleanzine.com)
Oral microbiota are formed by a complex ecosystem composed of bacteria, fungi, viruses and protozoans, the Streptococcus being the most prevalent microorganism 2 . (bvsalud.org)

They secrete inflammatory cytokines to resist the HSV-2 infection directly and recruit the immune cells to eliminate the primary infection indirectly and enhance the adaptive immunity to prevent subsequent infections. (elis.sk)
These changes can impact how well the flu vaccine works, or can also result in the emergence of new influenza viruses against which people have no preexisting immunity, triggering a pandemic. (cdc.gov)
Infection and Immunity , 16 (1), 69-74. (psu.edu)
Tenser, RB & Hsiung, GD 1977, ' Pathogenesis of latent herpes simplex virus infection of the trigeminal ganglion in guinea pigs: Effects of age, passive immunization, and hydrocortisone ', Infection and Immunity , vol. 16, no. 1, pp. 69-74. (psu.edu)

This is, in part, due to reduction in incidence of opportunistic infections. (bmj.com)
The clinical manifestation of AIDS results from continuous replication of HIV in infected individuals that causes slow but steady decline of CD4 + T lymphocytes to levels that no longer control opportunistic infections [ 1 ]. (biomedcentral.com)

Clinical signs were correlated with the portal of entry of the infection associated with localized or disseminated superficial and deep skin lesions or affecting parenchymal organs, especially in systemic infections. (bvsalud.org)
By contrast with the other causes of focal abnormalities in patients infected with HIV-toxoplasmosis and primary CNS lymphoma-there are no symptoms or signs of raised intracranial pressure or of systemic infection. (bmj.com)
In studies involving three monkeys experimentally infected with Ebola virus (Reston strain), fever and other systemic signs of illness preceded detection of infectious virus in the pharynx by 2-4 days, in the nares by 5-10 days, in the conjunctivae by 5-6 days, and on anal swabs by 5-6 days (P. Jahrling, U.S. Army Medical Research Institute of Infectious Diseases, unpublished data, 1995). (cdc.gov)

Epidemiology and clinical features number of respiratory tract infections, of infections caused by extended-spectrum in gram-negative organisms in the at least in children ( 2 , 3 ). (cdc.gov)
These data demonstrate the feasibility of using cell-free virus preparations for infecting clinical marrow samples suitable for transplantation, as well as for further analysis of human marrow stem cell dynamics in vitro. (jci.org)
Clinical virologists might add a patient sample to cells, looking for evidence of infection. (the-scientist.com)
Cell culture technique is used for isolation of viruses from the clinical specimens and for diagnosis of viral diseases. (biologyease.com)
Yankovskaya Y.D., Burova S.V. New Coronavirus Infection (Covid-19): Clinical and Epidemiological Aspects. (aig-journal.ru)
Many medically important and emergent arboviruses (arthropod-borne viruses) originated in non-human primates (NHPs), which typically show no clinical signs of infection but become viraemic and help maintain the virus in nature [ 1 ]. (biomedcentral.com)
However, in clinical practice, the most common method for diagnosing established HIV infection is by performing a screening test (eg, enzyme-linked immunosorbent assay [ELISA]) and by confirming a positive result with a supplementary test. (medscape.com)
In this webinar, Dr. Shawn Gibbs from the Texas A&M University School of Public Health discusses reducing risks of clinical laboratory acquired infections, including from highly hazardous communicable diseases and the importance of establishing and cultivating a culture of safety amongst stakeholders within the clinical laboratory space. (cdc.gov)

These scientists study the viruses in the laboratory to see how they are changing. (cdc.gov)
As stated by Kuno & Chang [ 15 ], "The three commonly used data for identifying vertebrate reservoirs for arboviruses have been (i) virus isolation from suspected animals, (ii) relatively high antibody prevalence in the animals captured in the field and (iii) demonstration of viraemia (of higher virus titre and duration) in the suspected animals typically obtained under laboratory conditions" [ 15 ]. (biomedcentral.com)
or 3) worked in a laboratory or animal facility that handles hemorrhagic fever viruses. (cdc.gov)
[ 3 , 4 ] The diagnosis of HIV infection, as with any other disease, should include a complete history and a detailed physical examination in order to reach an accurate interpretation of the information provided by laboratory data. (medscape.com)
She supported three pandemics at CDC, including serving twice during the current COVID-19 pandemic as a separate subject matter expert for external biosafety, and as a laboratory scientist on CDC's Infection Prevention and Control Team where she performed point-of-care SARS-CoV-2 testing in three nursing homes facilities in Atlanta, Georgia. (cdc.gov)

Viral diseases of potato are a group of diseases caused by different types of viruses that affect potato crops worldwide and, although they do not affect human or animal health since they are viruses that only infect vegetables, they are a source of great economic losses annually. (wikipedia.org)
Extended- reported just 1 case of infection with member of the Parvovirus family, is spectrum beta-lactamases in Klebsiella an almost completely resistant gram- pneumoniae bloodstream isolates from suspected to infect the cells of the res- negative organism. (cdc.gov)
Moreover, they infect cells with viruses, or express individual viral proteins, to follow the virus's actions and the host cell response. (the-scientist.com)
OB1-186+Those which infect orchids are few in numbers and largely restricted to the Orchidaceae: they are Cymbidium Mosaic Virus, Cattleya Mosaic Virus, Odontoglossum ringspot virus and Cattleya blossom brown necrotic streak disease (in Australia). (orchids.org)

In the period 1995 to 1997, one United States study documented a fall in the combined incidence of Pneumocystis carinii pneumonia, Mycobacterium avium complex, and cytomegalovirus infection from 21.9 per 100 person-years to 3.7 per 100 person-years. (bmj.com)
These microphages also can be detected in infection due to Mycobacterium avium intracellulare, cryptococcosis, or other parasitic organisms (usually observed in patients who are immunosuppressed with HIV disease). (medscape.com)
Intestinal lamina propria of AIDS patients with concomitant Mycobacterium avium-intracellulare complex (MAC) infection may be packed with PAS-positive granules containing macrophages, but the intracellular bacilli are acid fast. (medscape.com)

Early diagnosis of HIV infection is of paramount importance, allowing health care providers an invaluable opportunity to prevent further transmission of the disease and to begin therapy, if warranted. (medscape.com)
This article provides an overview of the available testing for the diagnosis of HIV infection. (medscape.com)

More importantly, we found that HSV-2-infected keratinocytes stimulated the proliferation of lymphocytes in co-cultivation system. (elis.sk)

The use of virus-free seed tubers is of fundamental importance to achieve healthy crops. (wikipedia.org)

When she started her own lab, Kaushic decided to investigate how the sexually transmitted viruses HIV and herpes simplex 2 interact with those same cell types. (the-scientist.com)
Herpes simplex virus type 2 (HSV-2) infection is the most common cause of genital ulcerative disease in the developed world. (elis.sk)
Latent herpes simplex virus (HSV) infection of the trigeminal ganglion, after corneal inoculation of virus, was investigated in guinea pigs. (psu.edu)

Foodborne infections, epidemics and pandemics are frequently headline news. (vivabooksindia.com)
It covers epidemiological aspects of coronavirus infection, experience of previous epidemics of respiratory viruses, data on the impact of novel coronavirus infection on the course of pregnancy and perinatal outcomes. (aig-journal.ru)
Urban transmission cycles of arboviruses in densely populated tropical regions can result in explosive epidemics and pandemics, although there can also be low levels of transmission only sufficient to maintain the viruses in the population. (biomedcentral.com)

Diseases caused by viruses are one of the main limiting factors of potato cultivation worldwide, not only because of the immediate damage they can cause, but also because their effect is cumulative over time. (wikipedia.org)
Number of viruses are used for the production of Vaccines against different viral diseases. (biologyease.com)
On the other hand, the cultivation and production of P. edulis are severely affected by several diseases caused by fungal, bacterial and viral pathogen [ 3 ]. (biomedcentral.com)
While cannabis fungal and bacterial diseases are better known and characterized, viral infections have historically been less investigated. (unibo.it)
Dr. Gibbs has over a hundred articles on industrial hygiene and environmental exposure assessment, focusing on disrupting the transmission of highly infectious diseases, such as COVID-19 and Ebola virus disease. (cdc.gov)

About 28 viruses have been reported infecting potato crops. (wikipedia.org)
Tomato yellow leaf curl Sardinia virus (TYLCSV) and Tomato yellow leaf curl virus (TYLCV) are the two main whitefly-transmitted viruses affecting protected and open field tomato crops in southern Italy. (unirc.it)

According to the World Health Organization 5 , almost two million people in the Americas suffered from dengue virus infection in 2019, and more recent data showed that four billion people suffer from dengue and related viruses such as Zika and Chikungunya in 128 countries worldwide 6 . (nature.com)
Dengue and chikungunya virus infection in man in Thailand, 1962-1964. (ajtmh.org)
For dengue, chikungunya, Zika and yellow fever viruses, sylvatic (forest) transmission cycles also exist in some regions and involve non-human primates and forest-dwelling mosquitoes. (biomedcentral.com)
Here we review the investigation methods and available data on sylvatic cycles involving non-human primates and dengue, chikungunya, Zika and yellow fever viruses in Africa, dengue viruses in Asia and yellow fever virus in the Americas. (biomedcentral.com)

Cell cultures have played a critical role in modern infectious disease research, particularly in the area of viruses and the expression of viral gene products," Bloom says. (the-scientist.com)
This model predicts two phases of viral growth prior to the viral peak: a first phase driven by fully infectious particles at the initiation of infection followed by a second phase largely driven by coinfections of fully infectious particles and SIPs. (bvsalud.org)

These questions arise from the fact that our immune systems are designed to learn and remember pathogens, such as viruses. (springernature.com)
Effective on both airborne and surface pathogens, airPHX technology provides continuous infection control for the healthcare industry and is said to offer a cost-effective alternative to existing infection control protocols. (thecleanzine.com)

Antiviral and germinal center B cell responses were suppressed but not during SARS-CoV-2 variant infections. (springernature.com)

the only way seedlings could be free of virus is for the virus to be extruded or inactivated by formation of gametes (pollen and eggs) by haploid division of germinal cells. (orchids.org)
One example of how AMD technology is used in vaccine development is to address mutations that may occur in vaccine viruses during growth in eggs used in the production of vaccine viruses. (cdc.gov)
Scientists are looking at the genetic sequences of 10 generations of H3N2 flu viruses as they grow and evolve in eggs. (cdc.gov)
CDC will test all of the viruses to find out what genetic changes cause a good immune response and good growth in eggs. (cdc.gov)
Explain virus cultivation in embryonated eggs. (lifeeasy.org)
Certain viruses get fail to grow on primary inoculation into eggs. (biologyease.com)

Marrow cells enriched greater than or equal to 500-fold for LTC-IC (1-2% pure) by flow cytometry showed gene transfer efficiencies of 27% when infected in a similar fashion over a shorter period (24 h), but in the presence of added soluble IL-3 and G-CSF without stromal feeders, and this increased to 61% when Steel factor was also present during the infection period. (jci.org)
CDC is using next-generation gene sequencing tools to analyze flu viruses as part of CDC's Advanced Molecular Detection (AMD) initiative. (cdc.gov)
However, using serial samples taken from a cohort of young women who were recruited soon after they first had sexual intercourse, we show that disruption of the E2 gene is a common and early event in the natural history of incident cervical HPV infections. (aacrjournals.org)
Experiments show that the vast majority of virions fail to express one or more gene segments and thus cannot cause a productive infection on their own. (bvsalud.org)

Susceptible cells should be selected for the cultivation of viruses. (biologyease.com)
But in its natural habitat, the orchid is endangered and susceptible to virus infection. (ugm.ac.id)
It was found that newborn guinea pigs were significantly more susceptible than adult animals to the development of latent HSV infection of the trigeminal ganglion. (psu.edu)
Preferring uniformly damp soils and light shade, care must also be taken to protect it from virus infection to which it is susceptible. (lilybulb.com)

The results obtained from the molecular investigation clearly showed the presence of both viruses in greenhouse as well as in field cultivation. (unirc.it)

The title of his thesis was "Basal septa of broken trichomes in Nicotiana as possible infection sites of Tobacco mosaic virus . (apsnet.org)
VIRUS: Cymbidium Mosaic Virus (cymv) and Tomato Mosaic Virus-0 (tmv) These two are the most important economically in the business. (orchids.org)
Yellow vein mosaic disease (YVMD) caused by Yellow vein mosaic virus (YVMV) of genus Begomovirus (family Geminiviridae) results in the serious losses in okra cultivation. (intechopen.com)
What does tobacco mosaic virus do? (lifeeasy.org)
The infection of Telosma mosaic virus (TeMV), a potyvirus, and its effects on the phytochemical components of P. edulis remain largely unknown in China. (biomedcentral.com)
At present, the domestic cultivation of melons and watermelons is seriously threatened by plant viruses such as Papaya ringspot virus and Cucumber green mottle mosaic virus . (gov.tw)

Since the onset of the AIDS epidemic in 1981, the incidence of PML has increased significantly and now human immunodeficiency virus (HIV) associated cases account for up to 85% of all cases of PML. (bmj.com)
Incidence of HIV infection by risk group. (medscape.com)

Most of the okra cultivation is done exclusively in the developing countries of Asia and Africa with very poor productivity. (intechopen.com)
In Africa, transmission of VHF has been associated with reuse of unsterile needles and syringes and with provision of patient care without appropriate barrier precautions to prevent exposure to virus-containing blood and other body fluids (including vomitus, urine, and stool). (cdc.gov)

In fact, the joint occurrence of PVX and PVY, or either or both of them with PLRV or Potato virus A (PVA), produces much more severe symptoms than separate infection of each. (wikipedia.org)
Since both colds and COVID-19 are caused by coronaviruses, clinicians, public health officials, and scientists wondered if a recent cold caused by a seasonal coronavirus could protect from severe COVID-19 following SARS-CoV-2 infection. (springernature.com)
P. edulis plants showing distorted leaves and severe mosaic skin on green fruit were identified with TeMV infection through traditional transmission electron microscopy, RT-PCR and modern small RNA sequencing (sRNA-seq) platform. (biomedcentral.com)
The severe infection will cause a major loss in yield and quality. (gov.tw)

Living cells support the replication of viruses from which viruses can be harvested for further tests. (biologyease.com)
Biochemical studies like the replication of viruses are also studied by the cell line method. (biologyease.com)
The human lymphoid aggregate culture (HLAC) from tonsil maintains the cell populations and cytokine milieu found in vivo , supports a productive infection without exogenous stimulation, and Nef contributes to efficient HIV-1 replication as well as CD4 + T cell depletion in this experimental ex vivo -model. (biomedcentral.com)
Determination of HIV-1 replication revealed that enhancement of the virus spread by Nef is governed by a complex set of protein interaction surfaces. (biomedcentral.com)
Consistently, in HLAC from 9 out of 14 donors, Nef enhanced CD4 + T cell depletion in the absence of a significant effect on virus replication. (biomedcentral.com)

General information regarding Ebola virus infection is available through the CDC Ebola Hotline (telephone {800} 900-0681). (cdc.gov)

Crucially for virologists, cell lines tend to mount an abnormal immune response, so they may not defend themselves against viruses as cells would in vivo. (the-scientist.com)
These data suggest that keratinocytes participate in the immune response to HSV-2 infection in two ways. (elis.sk)
These mutations can change the vaccine virus so much that the immune response to vaccination may not protect as well against circulating viruses. (cdc.gov)

Thus, surveys were undertaken for tomato yellow leaf curl viruses in tomato-growing areas of Calabria, both in the field and in plastic greenhouses. (unirc.it)

The Chick embryo technique is the first technique used for the isolation of viruses. (biologyease.com)
Isolation of chikungunya virus from Aedes aegypti mosquitoes collected in the town of Yawat, Pune District, Maharashtra State, India. (ajtmh.org)
Here, we describe the StemCellFactory, an automated, modular platform covering the entire process of hiPSC production, ranging from adult human fibroblast expansion, Sendai virus-based reprogramming to automated isolation, and parallel expansion of hiPSC clones. (frontiersin.org)
To date, Koch's postulates have not been fulfilled completely (infection of an animal model and isolation of the organism from the animal). (medscape.com)

Vectors of chikungunya virus in Senegal: current data and transmission cycles. (ajtmh.org)
Chikungunya virus in the Entebbe area of Uganda: isolations and epidemiology. (ajtmh.org)
Chikungunya infection-an emerging disease in Malaysia. (ajtmh.org)
Tracking the re-emergence of epidemic chikungunya virus in Indonesia. (ajtmh.org)
Epidemic resurgence of Chikungunya virus in democratic Republic of the Congo: identification of a new central African strain. (ajtmh.org)
Seroprevalence of Chikungunya Virus (CHIKV) Infection on Lamu Island, Kenya, October 2004. (ajtmh.org)
Seroprevalence of Chikungunya Virus Infection on Grande Comore Island, Union of the Comoros, 2005. (ajtmh.org)

Furthermore, fruit length, fruit thickness (wideness) and fruit weight decreased significantly due to TeMV infection. (biomedcentral.com)
Co-cultivation of EBV-infected B cells with MP6 cells significantly enhanced the cloning efficiency at the 1 cell/well level. (lu.se)

Potato leaf mosaic symptoms can be caused by different viruses individually or in combination. (wikipedia.org)
Specifically, the pestering common cold with mild respiratory symptoms can be caused by infection with one of several human seasonal coronaviruses. (springernature.com)

In recent years, numerous atypical Bluetongue virus (BTV) strains have been discovered all around the world. (mdpi.com)
The researchers always had to keep in mind that they were studying the virus in an atypical host. (the-scientist.com)

While the model without spatial structure fails to reproduce key aspects of within-host influenza virus dynamics, we found that the model implicitly considering the spatial structure of the infection process makes predictions that are consistent with biological observations, highlighting the crucial role that spatial structure plays during an influenza infection. (bvsalud.org)

Egg lacks their own defense mechanism and hence do not interfere with the cultivation of viruses. (biologyease.com)
This is of significant importance to understand the effects of TeMV infection on the biochemical changes and the antioxidant defense mechanism in P. edulis . (biomedcentral.com)

Yolk sac is used for growth of viruses as well as parasite. (biologyease.com)
People use oregano for wound healing, parasite infections, and many other conditions, but there is no good scientific evidence to support these uses. (go4worldbusiness.com)

They are convenient, economical, observable cytopathic effects and choice of cells for their susceptibility to a particular virus. (lifeeasy.org)
But some viruses do not show any cytopathic effect. (biologyease.com)
Cells showing any cytopathic changes is an indication of multiplication of viruses and vice-versa. (biologyease.com)

On the other hand, the susceptibility of adult animals, usually somewhat resistant to the development of latent HSV ganglionic infection, was markedly increased by the parenteral administration of hydrocortisone. (psu.edu)
Without application of effective treatment for latent infection, new cases of tuberculosis can be expected to develop from within this group. (cdc.gov)

Its dissemination is driven by weather-related rain or hail, leading to the formation of lesions that create conditions conducive to infection. (aishfeed.com)

This accumulation of viruses is mainly responsible for the so-called gradual degeneration of potato varieties, the consequences of which are a gradual decrease in the vigor and yield of the crop as well as an increase in quality losses due to a reduction in the possible shelf life of the tubers after harvest. (wikipedia.org)
HEK293 cell cultivation, infection and harvest of the virus in an adherent environment proved possible reaching total virus yield of 3.4e14 IU/batch. (engconfintl.org)

An assessed 3.3 billion of the world human population lives in areas with risk of Malaria infection 2 is contaminated with its mosquito vector Anopheles spp. (nature.com)
Among these, ex vivo -cultures of human tonsils proved particularly valuable as HIV readily replicates to high titers in these cultures that maintain cell composition and cytokine milieu of a primary target organ of in vivo HIV infection [ 5 ]. (biomedcentral.com)
However, sylvatic cycles could still have important implications for human infections. (biomedcentral.com)
The Xpansion 200 single-use bioreactor was used for growing the primary human liver cells under controlled culture conditions to generate cell mass required for curing a diabetic patient.In this study, we have optimized adenovirus serotype 5 manufacturing using the iCellis Nano bioreactor with different cultivation area up to 4 m 2 . (engconfintl.org)
References tries, where few resources are available to ensure proper treatment and where human immunodeficiency virus (HIV) infection may be common. (cdc.gov)
Approximately 25 million deaths worldwide have been attributed to infection with human immunodeficiency virus (HIV) since the beginning of the HIV epidemic in the early 1980s. (medscape.com)
Timeline of CD4 T-cell and viral-load changes over time in untreated human immunodeficiency virus (HIV) infection. (medscape.com)
Human immunodeficiency virus (HIV)-1 is a member of the Retroviridae family. (medscape.com)
[ 15 ] Of note, patients with human immunodeficiency virus (HIV) infection do not acquire the disease. (medscape.com)
Epstein-Barr virus (EBV) is a potent inducer of polyclonal B lymphocyte proliferation and is widely used as a tool for the establishment of B cell lines producing human monoclonal antibodies. (lu.se)

Specimens for virus-specific diagnostic tests should be sent to CDC as rapidly as possible according to instructions provided when contact is made. (cdc.gov)

Koppen-Geiger climate comparisons indicate that numerous grapevine cultivation zones across Europe are conducive to Xcv establishment under extant meteorological conditions. (aishfeed.com)

The magnitude of economic losses associated with this synergistic effect depends on the types of viruses that are interacting, their respective races, their interaction with the host potato cultivar, the viral vectors involved, and the environment. (wikipedia.org)
Not all types of viruses are grown by this cell line method. (biologyease.com)

The loss in yield, due to YVMD in okra was found ranging from 30 to 100% depending on the age of the plant at the time of infection. (intechopen.com)
To date, the available literature contains few data on the analysis of pregnancy outcomes depending on the gestational age at the time of infection. (aig-journal.ru)

Potato leafroll virus (PLRV), also known as "leafroll" or "yellow dwarfism", is a phloem-limited Luteovirus, which is transmitted by aphids, the green peach aphid (Myzus persicae) being one of the most important vectors. (wikipedia.org)

The DNA in each well (including DNA from the viruses infecting the bacterial cells) was then copied to produce enough DNA to individually sequence the genome of each cell. (elifesciences.org)
Until recently, most of our knowledge of giant viruses came from ~100 species-level isolates for which genome sequences were available. (doe.gov)
Influenza is an ribonucleic acid virus with a genome that comprises eight segments. (bvsalud.org)

When humans infected in the forest enter urban environments, arbovirus infections can rapidly spread amongst people transmitted by highly anthrophilic, urban mosquitoes. (biomedcentral.com)
Epidemiologic studies of VHF in humans indicate that infection is not readily transmitted from person to person by the airborne route (1,2). (cdc.gov)
Airborne transmission involving humans has never been documented and is considered a possibility only in rare instances from persons with advanced stages of disease (e.g., one patient with Lassa fever who had extensive pulmonary involvement may have transmitted infection by the airborne route) (3). (cdc.gov)
Despite uncertainties regarding the applicability to humans of data regarding airborne transmission in nonhuman primates, such information must be considered in the development of infection-control precautions because information regarding exposure and transmission in humans is limited. (cdc.gov)

During cultivation, removal of plants showing symptoms helps prevent the spread of PLRV. (wikipedia.org)
The virus is not spread or transmitted mechanically. (wikipedia.org)
tissue culture has spread a lot of virus, but they are not invincible and the prognosis for control is excellent. (orchids.org)
For example, in some years certain influenza viruses may not appear and spread until later in the influenza season, making it difficult to prepare a candidate vaccine virus in time for vaccine production. (cdc.gov)
If he were focused on preventing the spread of this virus rather than demonizing foreigners, he would require anyone arriving from abroad, including U.S. citizens, to undergo a 14-day quarantine - not bar them from coming at all. (nationalmemo.com)
The real point of Trump's immigration order is the same as many of his other actions and pronouncements in this crisis: to put the blame on others, particularly foreign governments and foreign citizens for the spread of what he has called a 'foreign virus' and 'the Chinese virus. (nationalmemo.com)
Many viral infection reports on cannabis have recently been released, highlighting the increasing threat and spread of known and unknown viruses. (unibo.it)
Within the past decade it also has become clear that of the pasteurization of milk and effective tuberculosis control the spread of HIV infection and the immigration of persons programs for cattle (13). (cdc.gov)

found that the percentage of infected SUP05 cells varied between samples taken at different depths, with the highest infection rates in the deepest part of the OMZ, where SUP05 cells are most abundant ( Figure 1 ). (elifesciences.org)
That's why virologists need cell cultures, but to wield those cultures well they must understand both viruses and host cells. (the-scientist.com)
The type of cells chosen depends on the virus in question. (the-scientist.com)
The obvious place to start is with cells that match the animal and tissue that naturally host the virus. (the-scientist.com)
When Bloom was studying Aleutian mink disease virus, he tried mink cells, plus every other mammal line he could purchase. (the-scientist.com)
Viruses are acellular pathogenic organisms that rely on the host cells for their multiplication and growth because of the lack of their own metabolic machinery. (biologyease.com)
The growth of the viruses in the cell line can be detected by changes in the morphology of infected cells. (biologyease.com)
Cells may get killed by the infection of viruses. (biologyease.com)
Select a layer of cells that are infected with viruses and which show morphological changes. (biologyease.com)
The morphological changes that occurred in cells are linked with the multiplication of viruses. (biologyease.com)
If the well shows up as colorless, this means that antibodies did not block the virus from infecting and killing the cells. (cdc.gov)

This review aims to present the historical excursus of cannabis virology, from the pioneering descriptions of virus-like symptoms in the 1940s/50s to the most recent high-throughput sequencing reports. (unibo.it)

Fitting this model to two sets of data, we show that SIPs can contribute substantially to viral load during infection. (bvsalud.org)

Firstly, approximately 700 nm linear virus particles, representing TeMV, were detected in infected P. edulis fruits and leaves with Electron microscopy. (biomedcentral.com)

A Better Way to Find RNA Virus Needles in the Proverbial Database Haystacks Researchers combed through more than 5,000 data sets of RNA sequences generated from diverse environmental samples around the world, resulting in a five-fold increase of RNA virus diversity. (doe.gov)
We also present current putative data that Mayaro, o'nyong'nyong, Oropouche, Spondweni and Lumbo viruses exist in sylvatic cycles. (biomedcentral.com)
although the risk and/or mode of nosocomial transmission differs for each of these viruses, the limited data do not permit clear distinctions. (cdc.gov)

found that 33% of all the single-cell genomes contained viral DNA, the very first estimate of infection rates in a natural bacterial population. (elifesciences.org)
Here, The Scientist examines the decisions virologists must make, and techniques they can apply, as they design virus-cell culture systems. (the-scientist.com)
If a virus turns out to be picky, several cell lines, such as HeLa, welcome a variety of viruses, Bloom says. (the-scientist.com)
Explain virus cultivation in cell culture. (lifeeasy.org)
Cell culture is the most widely used method for the propagation of viruses. (lifeeasy.org)
How does a virus get into a host cell? (lifeeasy.org)
Cultivation of viruses in the cell line method. (biologyease.com)
Cell culture is the most convenient and advanced technique used for the cultivation of viruses. (biologyease.com)
We have developed a feeder-free, Sendai virus-mediated reprogramming protocol suitable for cell culture processing via a robotic liquid handling unit that delivers footprint-free hiPSCs within 3 weeks with state-of-the-art efficiencies. (frontiersin.org)

The oceans are home to a staggering number of viruses, roughly 10 30 , making them the most abundant organisms on the planet. (elifesciences.org)

Anatomy10

Organisms120

Diseases18

Chemicals and Drugs35

Analytical, Diagnostic and Therapeutic Techniques and Equipment26

Phenomena and Processes46

Disciplines and Occupations6

Technology, Industry, Agriculture5

Information Science3

Health Care8

Cannabis cultivation2

Coronavirus infections2

Bacteria12

Immunity4

Opportunistic infections2

Systemic3

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Infect4

Mycobacterium3

Diagnosis2

Lymphocytes1

Healthy crops1

Herpes3

Epidemics3

Diseases5

Crops2

Dengue4

Infectious2

Pathogens2

Antiviral1

Eggs6

Gene4

Susceptible4

Greenhouse1

Mosaic Virus6

Incidence2

Africa2

Severe4

Replication5

Ebola1

Immune response3

Leaf curl1

Isolation4

Chikungunya7

Significantly2

Symptoms can be caused2

Atypical2

Influenza virus1

Defense mechanism2

Parasite2

Cytopathic3

Latent2

Lesions1

Harvest2

Human10

Specimens1

Zones1

Types of viruses2

Time of infection2

Vectors1

Genome3

Humans4

Spread8

Cells11

Virology1

Viral load1

Electron microscopy1

Data3

Cell9

Organisms1