Instruct: Identify the main category of Biorxiv papers based on the titles
Query: Single cell mutant selection for metabolic engineering of actinomycetes
27
The categories of this paper are: pathology
2
The categories of this paper are: biology
32
The categories of this paper are: zoology
5
The categories of this paper are: cell
17
The categories of this paper are: molecular
11
The categories of this paper are: cognition
8
The categories of this paper are: genomics
22
The categories of this paper are: physiology
13
The categories of this paper are: animal
16
The categories of this paper are: microbiology
18
The categories of this paper are: systems
7
The categories of this paper are: ecology
9
The categories of this paper are: synthetic
23
The categories of this paper are: immunology
21
The categories of this paper are: toxicology
10
The categories of this paper are: and