擅长:python、mysql、java
<p>您需要这样做:</p>
<pre><code>df["Gene"] = df["Gene"].apply(lambda x: x.replace('NADH', 'NAD'))
print(df)
# ID species Gene
#0 1 Genus_species NAD dehydrogenase subunit 1
#1 2 Genus_species NAD dehydrogenase subunit 2
#2 3 Genus_species NAD dehydrogenase subunit 5
#3 4 Genus_species NAD dehydrogenase subunit 3
</code></pre>