Research says thickeners help self-replication early in life

According to foreign media reports, according to the "cosmetic original soup theory", life originated in the ocean or pond. The theory holds that life is a product of a combination of factors such as rainfall, mixed molecules, the warmth of the sun, and the coolness of the night. Recently, scientists from the Georgia Institute of Technology published a new study that believes that a prescription for life formation should also include a key factor - thickener. The formation of life must rely on this so-called thickener, which helps things like gene chains to self-replicate for the first time in the ocean or pond.

It is generally believed that the earliest forms of life are based on ribonucleic acid.

It is generally believed that the earliest forms of life are based on ribonucleic acid. The theory suggests that in the long evolutionary process, this self-replicating ribonucleic acid chain grows long enough and may form genes, which indicates that life may occur. These long nucleotide chains may be mixed with the shorter nucleotide chains in the pond. Under the action of sunlight heat, the longer nucleotide chains will be disconnected from the helical structure and shorter. The nucleotide strands are combined and paired to form their own replicated version. However, in a simple water environment, when the temperature is lowered, the longer nucleotide chain will quickly homing to its own helical structure, so there is little time to complete the combined pairing procedure. This is called "chain suppression."

Researchers at the Georgia Institute of Technology, Christine Ho (right) and Professor Massa Grove.

Scientists from the Georgia Institute of Technology, Christine Ho and Esek-Galego, hope to unravel the mystery of how the early forms of modern genetic coding were replicated for the first time before the enzymes appeared. The researchers did not choose the experimental environment in the water. They added a viscous solvent-thickener to the "soup" containing the true gene chain, slowing the movement of long chains. Christine He explained, “This looks more like the chemical composition of life, because there may be many viscous ponds on Earth before the origin of life. In such a solution, the shorter chain that moves faster. There is a chance to jump to the long chain and combine to form a long chain replica."

Figure a shows that in a water-only environment, the replication process cannot continue. Figure a shows that a viscous thickener allows the gene chain to be paired with possible replica version components.

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