Definitions for retrovirus
ˌrɛ trəˈvaɪ rəs, ˈrɛ trəˌvaɪ-retro·virus

Princeton's WordNetRate this definition:0.0 / 0 votes

1. retrovirusnoun

   any of a group of viruses that contain two single-strand linear RNA molecules per virion and reverse transcriptase (RNA to DNA); the virus transcribes its RNA into a cDNA provirus that is then incorporated into the host cell

WiktionaryRate this definition:0.0 / 0 votes

1. retrovirusnoun

   A virus that has a genome consisting of RNA.

2. Etymology: From retro- (“reverse”, from its reverse direction of replication) + virus.

WikipediaRate this definition:0.0 / 0 votes

1. Retrovirus

   A retrovirus is a type of virus that inserts a DNA copy of its RNA genome into the DNA of a host cell that it invades, thus changing the genome of that cell. Once inside the host cell's cytoplasm, the virus uses its own reverse transcriptase enzyme to produce DNA from its RNA genome, the reverse of the usual pattern, thus retro (backwards). The new DNA is then incorporated into the host cell genome by an integrase enzyme, at which point the retroviral DNA is referred to as a provirus. The host cell then treats the viral DNA as part of its own genome, transcribing and translating the viral genes along with the cell's own genes, producing the proteins required to assemble new copies of the virus. Many retroviruses cause serious diseases in humans, other mammals, and birds.Retroviruses have many subfamilies in three basic groups. Oncoretroviruses (cancer-causing retroviruses) include human T-lymphotropic virus (HTLV) causing a type of leukemia in humans, and murine leukemia viruses (MLVs) in mice. Lentiviruses (slow viruses) include HIV-1 and HIV-2, the cause of acquired immune deficiency syndrome (AIDS) in humans. Spumaviruses (foamy viruses) are benign and not linked to any disease in humans or animals.The specialized DNA-inflitration enzymes in retroviruses make them valuable research tools in molecular biology, and they have been used successfully in gene delivery systems.Evidence from endogenous retroviruses (inherited provirus DNA in animal genomes) suggests that retroviruses have been infecting vertebrates for at least 450 million years.

ChatGPTRate this definition:0.0 / 0 votes

1. retrovirus

   A retrovirus is a type of RNA virus that inserts a copy of its genome into the DNA of a host cell that it invades, thus changing the genome of that cell. This process is called reverse transcription and it is carried out by a specific viral enzyme called the reverse transcriptase. The altered cell then continues to reproduce, as normal, creating copies of the virus. HIV and certain types of cancer-causing viruses are examples of retroviruses.

WikidataRate this definition:0.0 / 0 votes

1. Retrovirus

   A retrovirus is an RNA virus that replicates in a host cell through the process of reverse transcription. First it uses its own reverse transcriptase enzyme to produce DNA from its RNA genome, reverse of the usual pattern, thus retro. This new DNA is then incorporated into the host's genome by an integrase enzyme. The cell then treats the viral DNA as part of its own instructions, making the proteins required to assemble new copies of the virus. Retroviruses are enveloped viruses that belong to the viral family Retroviridae. A special variant of retroviruses are endogenous retroviruses which are integrated into the genome of the host and inherited across generations. The virus itself stores its nucleic acid in the form of a mRNA genome and serves as a means of delivery of that genome into cells it targets as an obligate parasite, and constitutes the infection. Once in the host's cell, the RNA strands undergo reverse transcription in the cytoplasm and are integrated into the host's genome, at which point the retroviral DNA is referred to as a provirus. It is difficult to detect the virus until it has infected the host. In most viruses, DNA is transcribed into RNA, and then RNA is translated into protein. However, retroviruses function differently – their RNA is reverse-transcribed into DNA, which is integrated into the host cell's genome, and then undergoes the usual transcription and translational processes to express the genes carried by the virus. So, the information contained in a retroviral gene is used to generate the corresponding protein via the sequence: RNA → DNA → RNA → protein. This extends the fundamental process identified by Francis Crick, in which the sequence is: DNA → RNA → protein.

Matched Categories

1. • Animal Virus

How to pronounce retrovirus?

1. Alex

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   Mark

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   Daniel

   British

   Libby

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   Mia

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   Australian

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   Neerja

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How to say retrovirus in sign language?

Numerology

1. Chaldean Numerology

   The numerical value of retrovirus in Chaldean Numerology is: 2

2. Pythagorean Numerology

   The numerical value of retrovirus in Pythagorean Numerology is: 3

Examples of retrovirus in a Sentence

1. George Church:

   We now have living, healthy, four-month-old pigs that we have engineered, we have gotten rid of the retrovirus.

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References

1. ^ Princeton's WordNet
   http://wordnetweb.princeton.edu/perl/webwn?s=retrovirus
2. ^ Wiktionary
   https://en.wiktionary.org/wiki/Retrovirus
3. ^ Wikipedia
   https://en.wikipedia.org/wiki/Retrovirus
4. ^ ChatGPT
   https://chat.openai.com
5. ^ Wikidata
   https://www.wikidata.org/w/index.php?search=retrovirus