Scientists have found evidence of virus-eating microorganisms

Scientists have found evidence of virus-eating microorganisms

New York: Scientists have found the first compelling evidence that two groups of environmentally important marine microorganisms can eat viruses – catching their “prey” and trapping them, an advance in which organic matter flows. Can be better understood. the sea
The findings, published in the journal Frontiers in Microbiology, are currently at odds with the views of both viruses and the role of these groups of single-celled organisms, called Protestants, in mine food webs.
“Our data show that many Protestant cells have the DNA of different types of non-infectious viruses but not bacteria, there is strong evidence that they are eating the virus instead of the bacteria,” said Single. Said Remonas Stepnaus, director of cell genomics. Center for Oceanographic Laboratories in the United States.
Scientists point out that a significant example of the role of viruses in marine ecosystems is the “viral shunt”, where virus-infected microbes lose much of their chemicals in ponds of dissolved organic matter.
However, the current study suggests that the viral shunt can be met with a link to the marine microbial food web that could be the source of “drowning viral particles in the ocean.”
According to the researchers, the findings “have implications for the flow of carbon through the microbial food web.”
In the study, Stepanoskas and colleagues measured surface seawater samples from the northwestern Atlantic Ocean in the Gulf of Maine in the United States in July 2009 and distanced from the Mediterranean coast of Catalonia in January and July 2016.
They used advanced single-cell genomics tools to sequence DNA from a total of 1,698 individual protectors in the water, and found evidence of Protestants with or without the corresponding DNA.
The researchers explained that the associated DNA could be from semiotic organisms, engaged prey, or viruses or bacteria that cling to the outer part of the prostate.
Although the technique is highly sensitive, scientists say it does not directly reflect the nature of the relationship between a Protestant and his associates.
Scientists found a variety of protostes, including groups called alveoli, astropenopiles, chlorophytes, serocozines, picnozos, and chuanozos.
He said that 19% of the genomes and 48% of the Mediterranean people in the single organism from the Gulf of Aden were attached to bacterial DNA, indicating that their rivals had eaten the bacteria. ۔
But he added that the sequence of being viral is more common, involving 51% of the genome of protostics from the Gulf of Maine and 35% from the Mediterranean, with one to 52 viruses per protist. There are different types of frequencies.
According to the researchers, most of them were from viruses that infect bacteria – possibly representing parasites that are bactericidal predators.
But he said that chunanos and pacuzoin, which are found only in the Gulf Mine sample, are different from these groups, because in these groups, none of which have no chloroplasts, very little is known.
Choanozoans are of great evolutionary interest as close relatives of animals and cookies, scientists said.
Researchers say that small-celled organisms were first discovered twenty years ago, and so far, their sources of food have been a mystery, as their feeding equipment is scarce for bacteria, but not viruses. Lamp is enough.
In the present study, they found that each of the genes Chonzono and Pacozuan is linked to a viral lineage caused by a bacterium called Factus, but mostly without the bacterial DNA.
The study found that a different type of genome was found in different species.
“It is highly unlikely that these viruses are capable of infecting all the protostics in which they were found,” said Julia Brown, co-author of the study, which was conducted at the Beagle Laboratory for Ocean Science.
Based on these findings, the scientists concluded that Chuanozoz and Pakozwan “probably eat the virus as usual.”
“Viruses are rich in phosphorus and nitrogen, and could be a potentially good supplement to a carbon-rich diet that could include cellular prey or carbon-rich marine colloids,” Brown said.
Scientists believe that the elimination of viruses from water could reduce the number of viruses available to infect other organisms, while also shutting down the organic carbon contained inside more and more virus particles in the food chain. Is.
Brown said, “Future research could consider whether prototypes that use the virus collect DNA sequences from their virus victims in their own genomes, or consider whether they are infected.” How can you escape? ”

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