Our findings indicate that both opsin genes have been under purifying selection in the majority bats despite a long history of nocturnality.
但恒频蝙蝠而言,视觉退化的根本原在于它具有一种更发达的回声定。
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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 154 种现代哺乳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.
视蛋白是光敏蛋白,有助于将光转化为大解读的电化学信号。
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.
这些人员发现, 所有哺乳动都丢失许多编码某些视蛋白的基因,这表明哺乳动的眼睛适应弱光条件。
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