Our findings indicate that both opsin genes have been under purifying selection in the majority bats despite a long history of nocturnality.
但对恒频言,视觉退化根本原在于它具有一种更发声定位能力。
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Another paper from 2018 looked at the genes that code for opsin in 154 modern mammals.
2018 年的另一篇论文研究了 154 种现动中编码视蛋白的基因。
Opsins are light-sensitive proteins that help translate light into an electrochemical signal the brain can interpret.
视蛋白是敏蛋白,有助于将为大脑可以解读的电学信号。
These researchers found that all mammals have lost a number of genes that code for certain opsin proteins, indicating that mammal eyes are adapted to low-light conditions.
这些研究人员发现, 所有动都丢失了许多编码某些视蛋白的基因,这表明动的眼睛适应了弱条件。
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