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Full-Text Articles in Life Sciences

Sars-Cov-2 Virus And Its Initial Variants Of Concern (Voc): A Short Communication, Saptarshi Roy Chowdhury Jun 2024

Sars-Cov-2 Virus And Its Initial Variants Of Concern (Voc): A Short Communication, Saptarshi Roy Chowdhury

American Journal of Applied Bio-Technology Research (AJABTR)

No abstract provided.

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A Review On The Role Of Tomatoes In Pakistan's Agricultural Economy: Challenges And Strategies For White Fly (Bemisa Tabaci: Hemiptera) Management, Muhammad Wahid Khan, Zahid Hussain, Shahid Sattar, Fazal Maula Mar 2024

A Review On The Role Of Tomatoes In Pakistan's Agricultural Economy: Challenges And Strategies For White Fly (Bemisa Tabaci: Hemiptera) Management, Muhammad Wahid Khan, Zahid Hussain, Shahid Sattar, Fazal Maula

Journal of Bioresource Management

The largest sector of Pakistan's economy is agriculture. Tomatoes, considered both vegetables and fruits, are an essential part of the daily diet for people in the economy class as well as those with limited means, with per capita food consumption of 8.00 kg recorded in Pakistan. Tomatoes are a rich source of essential nutrients such as Vitamin C, A, and Iron, and naturally contain Lycopene, known for its antioxidant properties that can help prevent cancer. In Pakistan, tomato crops yield approximately 40 kg per acre, which is below the world average of 4.00 tons per acre. The Pakistan renowned tomato …

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Application Of New Molecular Tools To Assess Virus Viability In Production Animals, Declan C. Schroeder Sep 2023

Application Of New Molecular Tools To Assess Virus Viability In Production Animals, Declan C. Schroeder

Proceedings of the Arkansas Nutrition Conference

Persistent viral infections routinely impose an inconvenient, always costly but thankfully not all too often catastrophic outcome on our modern food system. Managing viruses is key for all concerned if our objective is to meet the ever-growing demand to high-value animal protein. Whether it’s the impact influenza A virus (IAV) has on the avian or swine industries, Porcine reproductive and respiratory virus (PRRSV) on the swine or Deformed wing virus (DWV) on honey bees in both the honey and pollinator sectors - the negative impact and damaging cost to the individual producer, country and global economy cannot be overstated.

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An Overview Of Viruses And The Infamous Sars-Cov-2, Jake Sun May 2023

An Overview Of Viruses And The Infamous Sars-Cov-2, Jake Sun

The Confluence

Background information on viruses is first presented which include topics like evolution, ecology, history, identification, structure, and application. The novel SARS-CoV-2, which causes COVID-19, pandemic originated in Wuhan, China in December 2019. Millions of people were infected with the virus in a short time period causing urgent concern worldwide. The purpose of this review is to provide a brief and general understanding of the SARS-CoV-2 to increase awareness and actions toward preventive measures. COVID-19 is a (+) ssRNA spherical enveloped virion that causes primarily respiratory illnesses. The S protein interacts with ACE-2 receptors on the host cell to gain entry …

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(R1980) Effect Of Climate Change On Brain Tumor, Pardeep Kumar, Sarita Jha, Rajiv Aggarwal, Govind Kumar Jha Dec 2022

(R1980) Effect Of Climate Change On Brain Tumor, Pardeep Kumar, Sarita Jha, Rajiv Aggarwal, Govind Kumar Jha

Applications and Applied Mathematics: An International Journal (AAM)

In this paper, we introduce a new dynamical model addressing the variation in climate condition due the presence of microorganisms. We also introduce a new dynamical model of cancer growth which includes three interactive cell populations with drug free environment, namely tumor cells, healthy host cells, and immune effector cells. In this, we considered the super growth of tumor cells. For the choice of certain parameters, both of the systems exhibit chaotic behavior. The aim of this work is to design the controller to control the chaos and to provide sufficient conditions which achieve synchronization of two non-identical systems, which …

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Interdisciplinary Team Addresses Cotton Leafroll Dwarf Virus In Alabama, Kassie N. Conner, Edward Sikora, Jenny Koebernick, Marcio Zaccaron Jun 2022

Interdisciplinary Team Addresses Cotton Leafroll Dwarf Virus In Alabama, Kassie N. Conner, Edward Sikora, Jenny Koebernick, Marcio Zaccaron

The Journal of Extension

A multi-state and interdisciplinary team was formed to address the Extension and research needs of CLRDV, an emerging cotton disease with high potential impact for U.S. cotton production. In 2017, CLRDV was identified in AL and Auburn University immediately formed an interdisciplinary working group composed of plant breeders, plant pathologists, entomologists, and agronomists. Since then, scientists from ten other states have joined the CLRDV group. Thus, allowing research to be coordinated efficiently and best deploy limited resources to attend the stakeholder’s needs. The CLRDV group produces and shares new and relevant information with the scientific community and cotton producers alike.

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A Comparison Of The Evolution, Structure, And Function Of Sars-Cov And Sars-Cov-2 Spike Proteins, Tai Michaels Aug 2021

A Comparison Of The Evolution, Structure, And Function Of Sars-Cov And Sars-Cov-2 Spike Proteins, Tai Michaels

The Yale Undergraduate Research Journal

As the COVID-19 pandemic has developed into the largest pandemic of the twenty-first century, it has become apparent that this disease, caused by the SARS-CoV-2 virus, is unlike anything the modern world has faced before. Not only has the disease infected more than 16 million people worldwide, but its rapid spread has drawn global attention to the gaps in our understanding of its pathogenesis and the development of vaccines and treatments. One of the most important topics of research in the disease is the viral spike (S) protein which facilitates binding and entering host cells and plays a key role …

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An Updated Review: The Year 2020 And Coronavirus Disease-19 Pandemic, Kanwal Ashiq, Mayyda Asif Bajwa, Sana Ashiq, Mehwish Qayyum, Rabia Khokhar, Samreen Tanveer Jan 2021

An Updated Review: The Year 2020 And Coronavirus Disease-19 Pandemic, Kanwal Ashiq, Mayyda Asif Bajwa, Sana Ashiq, Mehwish Qayyum, Rabia Khokhar, Samreen Tanveer

The Thai Journal of Pharmaceutical Sciences

The recent scenario with an outbreak of novel coronavirus has led to dramatic upsurge in mortality and morbidity rates all around the globe. The objective of consolidated article is to provide an updated insight on coronavirus disease (COVID-19) based on the current literature, and it is anticipated that it may serve as a perspective reference in future studies. Scopus, Science Direct, MEDLINE, PubMed, and Google Scholar databases were used to search the literature. For the current review, both research and review articles issued in the English language were considered. The mode of Corona virus disease transmission is through direct contact …

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The Deadly Influenza Virus And Its Changing Forms, Kayce Boggess Mar 2019

The Deadly Influenza Virus And Its Changing Forms, Kayce Boggess

D.U.Quark

The influenza virus has plagued humans for centuries. Recently antiviral medications, which shorten the duration of the flu, have been introduced into society. These medications along with vaccinations, which try to give the body immunity before the virus strikes, help to stop the flu before it attacks the host. The virus, however, replicates using host cells and can slightly change itself with each replication, which over time could lead to a strain immune to the current antiviral medication and vaccines. However, using more preventative measures could help slow the changing strains of the flu virus. Using vaccines to stop the …

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Bacteriophages As Beneficial Regulators Of The Mammalian Microbiome, Joseph W. Francis, Matthew Ingle, Todd Charles Wood Jul 2018

Bacteriophages As Beneficial Regulators Of The Mammalian Microbiome, Joseph W. Francis, Matthew Ingle, Todd Charles Wood

Proceedings of the International Conference on Creationism

Much of the research on viruses has concentrated on their disease causing ability. The creation model biomatrix theory predicts that viruses play a beneficial role in cells and organisms. In this report we present a new theory which proposes that mammalian phages (bacteriophages), the most abundant organism associated with mammals, guard and regulate growth of the mammalian microbiome. We base this theory on nearly a century of published evidence that demonstrates that phage can insert into the bacterial genome and cover the surface of bacteria. We propose that this “cloaking” of the bacterial cell surface is an elegant mechanism whereby …

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Last Year's Virus, This Year's Cancer Treatment, Olivia Collins Apr 2018

Last Year's Virus, This Year's Cancer Treatment, Olivia Collins

BU Well

For hundreds of years, cancer has stumped medical professionals across the world as a cure evaded them. Now, a new approach to battling cancer has entered the arena: viruses. The concept of using one deadly disease to cure another has elevated cancer research to an entirely new level, with some promising results. This article examines recent research regarding the use of a modified measles virus in improving cancer outcomes.

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Porcine Reproductive And Respiratory Syndrome: Diagnosis, Management, And Current Treatment And Prevention, Brittney N. Moore Aug 2017

Porcine Reproductive And Respiratory Syndrome: Diagnosis, Management, And Current Treatment And Prevention, Brittney N. Moore

Conspectus Borealis

No abstract provided.

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The Role Of Porcine Reproductive And Respiratory Syndrome Virus As A Risk Factor In The Outbreak Of Porcine Epidemic Diarrhea In Immunized Swine Herds, Mei-Zhou Huang, Hui Wang, Sheng-Yi Wang, Dong-An Cui, Xin Tuo, Yong-Ming Liu Jan 2016

The Role Of Porcine Reproductive And Respiratory Syndrome Virus As A Risk Factor In The Outbreak Of Porcine Epidemic Diarrhea In Immunized Swine Herds, Mei-Zhou Huang, Hui Wang, Sheng-Yi Wang, Dong-An Cui, Xin Tuo, Yong-Ming Liu

Turkish Journal of Veterinary & Animal Sciences

The aim of the study was to investigate the relation between porcine epidemic diarrhea (PED) and porcine reproductive and respiratory syndrome virus (PRRSV). Here, we constructed a dynamic clinical experimental model in which sows were infected with PRRSV. The stability of the experimental model was surveyed by detecting the levels of antibodies against classical swine fever virus (CSFV) or PRRSV, respectively. In both group A (infected group) and group B (healthy group), the CSFV antibody level was not significantly different (P > 0.05). In group B, the PRRSV antibody level was also not significantly different (P > 0.05) at the three times …

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Computerized Drug Screening Of The S31n Mutant Of The Influenza A Virus, Mitchell Gleed, David D. Busath Apr 2014

Computerized Drug Screening Of The S31n Mutant Of The Influenza A Virus, Mitchell Gleed, David D. Busath

Journal of Undergraduate Research

Influenza is responsible for millions of hospitalizations and deaths every year. Treating the influenza virus has become increasingly difficult since mutant viruses have rendered previously viable drugs ineffective. New drug-screening procedures are now necessary in order to speed up the process of viable drug discovery. Molecular simulations have proven valuable for studying drug effectiveness in wild-type flu viruses, but little has been done on prevailing influenza mutants. Influenza mutants often feature a change in the M2 proton channel, a critical component in the viral replication and infection cycle. To counter this, drugs must be discovered that can block the influenza …

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Orca Project By Danny Catts And Dr. Johnson, Danny Catts, Dr. Johnson Apr 2014

Orca Project By Danny Catts And Dr. Johnson, Danny Catts, Dr. Johnson

Journal of Undergraduate Research

After we successfully characterized our virus, we proceeded to investigate the variant’s viral behavior in hopes of finding a difference in comparison to that of the standard. After preliminary steps showed little variation, we took a different direction with the project.

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How Important Is Viral Effect On The Measure Bacterial Growth In Western Subtropical Pacific Coastal Water?, An-Yi Tsai, Gwo-Ching Gong, Kuo-Ping Chiang, Jie Hung Dec 2013

How Important Is Viral Effect On The Measure Bacterial Growth In Western Subtropical Pacific Coastal Water?, An-Yi Tsai, Gwo-Ching Gong, Kuo-Ping Chiang, Jie Hung

Journal of Marine Science and Technology

Bacterial growth rates were determined in natural seawater samples using two different methodological approaches: incubation in dialysis bags, and a modification of the dilution approach. Bacterial growth rates estimated for the dialysis bag varied from 0.026 h-1 (April) to 0.208 h-1 (August). Bacterial growth rates in 0.2 µm and 30 kDa size-fractionated series ranged from 0.038 to 0.094 h-1 and 0.078 to 0.42 h-1, respectively. Furthermore, in all of our samples, growth rates in the 30 kDa fractionated series (grazer and virus-free diluent) were higher than in the 0.2 µm series (grazer-free diluent) or in the dialysis bag incubations.

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Larval Parasitoids And Larval Diseases Of Malacosoma Neustria L. (Lepidoptera: Lasiocampidae) Detected In Erzurum Province, Turkey, Hi̇kmet Özbek, Sali̇ha Çoruh Jan 2012

Larval Parasitoids And Larval Diseases Of Malacosoma Neustria L. (Lepidoptera: Lasiocampidae) Detected In Erzurum Province, Turkey, Hi̇kmet Özbek, Sali̇ha Çoruh

Turkish Journal of Zoology

The larval parasitoids and larval diseases of Malacosoma neustria (L.) (Lepidoptera: Lasiocampidae) in various host plants were investigated in Erzurum Province, Turkey, during 2004 and 2005. The larval parasitoids were reared in a laboratory, and a total of 29 parasitoid species were established in association with the larvae of M. neustria in the families Tachinidae (Diptera), Braconidae, Ichneumonidae, and Chalcidoidea (Hymenoptera). Of the 6 tachinid parasitoids, Pales pavida (Meigen) was the most prevalent species and accounted for 25% of the tachinid records. Among the tachinids, there were 2 new records for the Turkish fauna: Exorista amoena Mesnil and Palesisa nudioculata …

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Rhinoviruses: The Quest For A Cure, Michelle Gordon-Grunin Jan 2009

Rhinoviruses: The Quest For A Cure, Michelle Gordon-Grunin

The Science Journal of the Lander College of Arts and Sciences

Rhinoviruses, also known as Human Rhinovirus, abbreviated HRV, are one of the many causes of the common cold. In fact, around 50 percent of all cold are caused by rhinoviruses, with the other major candidates being coronaviruses, influenza A or B virus, and minor causative agents like parainfluenza virus, respiratory syncytial virus, adenovirus, and enterovirus (Makela and Puhakka, 1997). However, due to the complex molecular structure of rhinoviruses, a cure for the common cold caused by HRV is still in the making. Several new treatments have been discovered, impacting the virus as different stages of its life, hopefully to prevent …

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Detection Of Four Apple Viruses By Elisa And Rt-Pcr Assays In Turkey, Kadri̇ye Çağlayan, Çi̇ğdem Ulubaş Serçe, Mona Gazel, Wilhelm Jelkmann Jan 2006

Detection Of Four Apple Viruses By Elisa And Rt-Pcr Assays In Turkey, Kadri̇ye Çağlayan, Çi̇ğdem Ulubaş Serçe, Mona Gazel, Wilhelm Jelkmann

Turkish Journal of Agriculture and Forestry

Plant samples were collected from the main apple growing provinces of Turkey in order to evaluate the incidence of 4 important apple virus diseases during spring 2004. Collected leaves and shoots were tested using enzyme linked immunosorbent assay (ELISA) and reverse transcription polymerase chain reaction (RT-PCR) for Apple mosaic virus (ApMV), Apple stem grooving virus (ASGV) and Apple chlorotic leaf spot virus (ACLSV). Since no commercial antiserum is available, Apple stem pitting virus (ASPV) was tested only using RT-PCR and the results were compared. A total of 174 apple samples were collected from varietal collections belonging to governmental and university …

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Serological And Haematological Investigations On Bovine Leukaemia Virus Infections In Kars District, Sali̇h Otlu, Fuat Aydin, Oktay Genç, M. Ali̇ Güler, Gürbüz Gökçe Jan 2001

Serological And Haematological Investigations On Bovine Leukaemia Virus Infections In Kars District, Sali̇h Otlu, Fuat Aydin, Oktay Genç, M. Ali̇ Güler, Gürbüz Gökçe

Turkish Journal of Veterinary & Animal Sciences

This study was carried out in order to serologically and haematologically determine the prevalance of Bovine Leukaemia Virus infection in cattle raised in Kars and environs.For this purpose a total of 443 blood samples and 383 milk samples belonging to the various breeds (Zavot, Holstein, Brown-Swiss and Native), and sexes (383 female, 60 male)were examined serologically (Agar Gel Immunodiffusion (AGID)and Enzyme Linked Immunosorbent Assay (ELISA))and haematologically (lymphocyt counts, total leucocyt counts and haematocrit value). All of the 443 blood samples and 383 milk samples examined serologically by AGID and ELISA tests were found to be negative in EBL.As a result …

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Medical And Social Diseases: Can The Former Moderate The Latter?, Ibpp Editor Mar 2000

Medical And Social Diseases: Can The Former Moderate The Latter?, Ibpp Editor

International Bulletin of Political Psychology

This article describes how medical disease may moderate social disease in an era of globalization.

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Calibration Of Atomic Force Microscope Tips Using Biomolecules, T. Thundat, X.-Y. Zheng, S. L. Sharp, D. P. Allison, R. J. Warmack, D. C. Joy, T. L. Ferrell Oct 1992

Calibration Of Atomic Force Microscope Tips Using Biomolecules, T. Thundat, X.-Y. Zheng, S. L. Sharp, D. P. Allison, R. J. Warmack, D. C. Joy, T. L. Ferrell

Scanning Microscopy

Atomic force microscope (AFM) images of surfaces and samples mounted on substrates are subject to artifacts such as broadening of structures and ghost images of tips due to the finite size and shape of the contacting probe. Therefore, knowledge of the radius of the AFM probe tip is essential for the interpretation of images. We have deduced the shape of the AFM tip by imaging cylindrical biological molecules of various diameters such as deoxyribonucleic acid (DNA), tobacco mosaic virus (TMV), tobacco etch virus (TEV) and bacteriophage M-13 (M-13). Using a paraboloidal tip model and numerically solving equations of contact, the …

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Microbiological Immunocytochemistry: A Review Of Current Trends And Applications, Julian E. Beesley Mar 1989

Microbiological Immunocytochemistry: A Review Of Current Trends And Applications, Julian E. Beesley

Scanning Microscopy

It has been considered worthwhile to update previous reviews of microbiological immunocytochemistry in order to identify areas of current importance in this continually expanding area of research. Publications in virology, bacteriology and protozoology indicate a continued interest in immunocytochemistry. Deployment of colloidal gold techniques is almost universal in these applications. The post-embedding technique was the most widely applied technique although a few studies employed the immunonegative stain, pre-embedding and immunoreplica techniques, thereby reflecting the use of colloidal gold in all other areas of the biological sciences.

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The Insect Vector In Relation To Myxomatosis, J A. Button Nov 1952

The Insect Vector In Relation To Myxomatosis, J A. Button

Journal of the Department of Agriculture, Western Australia, Series 3

The rabbit is undoubtedly the greatest single pest with which agriculturalists in this country have to contend. It is, therefore, not surprising that any new and promising method of controlling the pest should be greeted with considerable interest. Although a great deal has already been written regarding the myxomatosis virus a brief and co-ordinated summary of the situation as it now exists in Australia, with particular reference to this State, should prove of value as a guide to the wider establishment of the disease next summer.

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