Molecular fingerprint behind beautiful pearls revealed oistedu
Now, researchers from the Okinawa Institute of Science and Technology , in collaboration with a number of other research institutes including K. MIKIMOTO & CO., LTＤ, Pearl Research Institute and Japan Fisheries Research and Education Agency, have constructed a high-quality, chromosome-scale genome of pearl oysters, which they hope can be used to find resilient strains.
Dr. Takeuchi went on to explain that the oyster's genome is made up of 14 pairs of chromosomes, one set inherited from each parent. The two chromosomes of each pair carry nearly identical genes, but there can be subtle differences if a diverse gene repertoire benefits their survival. In this study, the researchers decided not to merge the chromosomes when sequencing the genomes. Instead, they sequenced both sets of chromosomes—a method that is very uncommon. In fact, it's probably the first research focused on marine invertebrates to use this method.
"Different genes on a pair of chromosomes is a significant find because the proteins can recognize different types of infectious diseases," said Dr. Takeuchi.
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