Saturday, April 14, 2018

Horizontal gene transfer.

 Taxonomy and phylogeny of prokaryotes present problems because of extensive horizontal gene transfer.


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Horizontal gene transfer (HGT) or lateral gene transfer (LGT) is the movement of genetic material between unicellular and/or multicellular organisms other than by the ("vertical") transmission of DNA from parent to offspring. HGT is an important factor in the evolution of many organisms.

Horizontal gene transfer - Wikipedia

https://en.wikipedia.org/wiki/Horizontal_gene_transfer

Bites from the insect Reduviidae (assassin bug) can, via a parasite, infect humans with the trypanosomal Chagas disease, which can insert its DNA into the human genome. It has been suggested that lateral gene transfer to humans from bacteria may play a role in cancer.






horizontal gene transfer in humans








Horizontal gene transfer and the origin of species: … - ‎de la Cruz - Cited by 510

Evidence for Extensive Resistance Gene Transfer … - ‎Shoemaker - Cited by 458

Horizontal gene transfer: building the web of life - ‎Soucy - Cited by 221


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Bites from the insect Reduviidae (assassin bug) can, via a parasite, infect humans with the trypanosomal Chagas disease, which can insert its DNA into the human genome. It has been suggested that lateral gene transfer to humans from bacteria may play a role in cancer.

Horizontal gene transfer - Wikipedia

https://en.wikipedia.org/wiki/Horizontal_gene_transfer

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How does horizontal gene transfer occur?

Horizontal gene transfer may occur via three main mechanisms: transformation, transduction or conjugation. Transformation involves uptake of short fragments of naked DNA by naturally transformable bacteria. Transduction involves transfer of DNA from one bacterium into another via bacteriophages.

Horizontal Gene Transfer — Antimicrobial Resistance Learning Site ...

https://amrls.cvm.msu.edu/.../acquisition-of-antimicrobial-resistance-via-horizontal-gene...

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Can horizontal gene transfer occur in humans?

Bacteria and Humans Have Been Swapping DNA for Millennia. ... This DNA-sharing process, known as horizontal or lateral gene transfer (LGT), is now understood to occur by the direct movement of DNA between two organisms.Oct 1, 2016

Lateral Gene Transfer Between Humans and Microbes | The Scientist ...

https://www.the-scientist.com/?articles.view/articleNo/47125/title/...and-Humans...

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Is horizontal gene transfer evolution?

Although gene exchange is easier in closely related organisms, horizontal gene transfer occurred between both domains in the evolution of Archaea and Bacteria. However, it is a disputed point whether horizontal gene transfer precludes the reconstruction of phylogenetic relationships in the microbial world.Oct 28, 2009

Horizontal gene transfer in evolution: facts and challenges ...

rspb.royalsocietypublishing.org/content/277/1683/819

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Is binary fission horizontal gene transfer?

Vertical gene transfer refers to the transfer of genetic material from a parent to the offspring. Vertical gene transfer only occurs through reproduction. Bacteria divide asexually through binary fission , which is a simple three step process: The bacterial chromosome replicates.

Bacterial gene transfer - ToKToL

https://www.toktol.com/notes/section/1163/biology/bacteria/bacterial-gene-transfer

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How does horizontal gene transfer work?

Horizontal gene transfer is made possible in large part by the existence of mobile genetic elements, such as plasmids (extrachromosomal genetic material), transposons (“jumping genes”), and bacteria-infecting viruses (bacteriophages). ... In transduction, DNA is transmitted from one cell to another via a bacteriophage.

Horizontal gene transfer | genetics | Britannica.com

https://www.britannica.com/science/horizontal-gene-transfer

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How is horizontal gene transfer different from vertical gene transfer?

What is a lateral gene transfer?

How does horizontal gene transfer contribute to antibiotic resistance?

What is gene transfer?

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How does horizontal gene transfer complicate phylogenetic trees?

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