1. NeoChr

NeoChr module would assist users to grab related genes in different pathways manually, to rewire genes’ relationship logically*, and to replace genes with ortholog that score higher*. Firstly, it would allow users to define gene order and orientation in DRAG&DROP way. Secondly, decoupled these genes if have overlap and make all genes are non-redundancy. Finally, add chromosome features to build a new chromosome and show in the JBrowse. Moreover, users can drag a window in the JBrowse and delete any gene in the window.
Note:
*These function are unavailable now, please wait for version 2.
**You can also add any thing here including your own water mark.

2. Plugin Scripts

This module contains three plugins: Decouple.pl, Add.pl and Delete.pl.

2.1 Decouple.pl

This plugin is to decouple the genes which have overlap gene regions. These overlapping genes can be decoupled if meet the following conditions: (1)If two genes have overlap gene regions, the latter gene 5’UTR does not cover the former gene initial codon (ATG); (2)Overlapping region initial coordinate is in the coding DNA sequences(CDS) of gene which is need to be decoupled; (3)The decouple site of CDS have synonymous substitute codon to replace; After decoupling, we use these non-redundancy genes to generate a GFF file and a FASTA file.

2.1.1 Internal operation

First, this plugin extracts base sequence from the genome file according to the gene order list, and records the gene order in the list. And then plugin records the annotation information according to the specie GFF file, moreover, plugin extends gene CDS upstream 600bp as 5’-UTR and downstream 100bp as 3’-UTR if the GFF file does not contain annotated these two features.
Second, this plugin detects the overlapping genes in the same chromosome. In case the overlapping genes are detected, it will judge whether the overlapping initial site is located in the CDS region, and identify the site is belong to phase0/1/2.
Third, the plugin attempts to synonymous substitute codon to break the initial codon intra the CDS. Printing information whether or not be decoupled successfully, such as:
And non-redundancy genes are generated.
Finally, the plugin links non-redundancy genes to construct a new chromosome according to the gene order.

2.2.1 Example

We have two input forms to execute the plugin:
1. Using string format as gene order list input form:
perl GeneDecouple.pl --species saccharomyces_cerevisiae_chr --list_format string --gene_order="YAL054C -,YAL038W +,YBR019C -,YBR145W +,YCL040W +,YCR012W +,YCR105W +,YDL168W +,YPL017C -,YIL177C -,YIL177W-A +,YIL172C -,YIL171W-A +,” --geneset_dir ../gene_set --upstream_extend 600 --downstream_extend 100 --neo_chr_gff neochr.gff --neo_chr_fa neochr.fa
2. Using file format as gene order list input form:
erl GeneDecouple.pl --species saccharomyces_cerevisiae_chr --list_format file --gene_order gene_ordre.list --geneset_dir ../gene_set --upstream_extend 600 --downstream_extend 100 --neo_chr_gff neochr.gff --neo_chr_fa neochr.fa

2.1.3 Parameters

Parameter	Description
list_format	set the input form of gene order list	string	string/file
gene_order	set the input gene order list file(include pathway genes and addition genes)
Parameter	Description	Default	Selectable range
geneset_dir	set the species annotation directory	600
upstream_extend	set the length of gene downstram(bp)	100
neo_chr_gff	set the name of output neochr gff file
neo_chr_fa	set the name of output neochr fasta file
help	Show help information

2.4.1 The format of output file

The output files are standard GFF and FASTA format files which are decoupled.
  1. decoupled GFF file

  2.decoupled FASTA file

2.2 Add.pl

This plugin will add the LoxPsym sequence and the customized left and right telomeres, centromere and autonomously replicating sequence (ARS) into the FASTA file and GFF file which are generated by Decouple.pl.

2.2.1 Internal operation

The plugin adds LoxPsym behind the first 3bp of 3’-UTR in each gene and adds telomere, centromere and ARS according this mode:
left_telomere + gene1 + centromere + gene2 + ARS + gene3 + right_telomere
The distance between centromere and ARS is less than 30Kb.
Finally, user can see the new added features chromosome according to the JBrowse.

2.2.2 Example

perl 04.Add.pl --loxp loxPsym.feat --left_telomere UTC_left.feat --right_telomere UTC_right.feat --ars chromosome_I_ARS108.feature --centromere chromosome_I_centromere.feat --chr_gff neochr.gff --chr_seq neochr.fa --neochr_seq neochr.final.fa --neochr_gff neochr.final.gff

All the feature file format is 4 lines format, for example:
  name = site_specific_recombination_target_region
  type = loxPsym
  source = BIO
  sequence = ATAACTTCGTATAATGTACATTATACGAAGTTAT
Note: the first line is the detail name of feature, the second line is the type of feature, the third line is the source of feature and the last line is the sequence of feature.

2.2.3 Parameters

Parameter	Description	Default	Selectable range
loxp	set the sequence of loxp	ATAACTTCGTATAATGTATGCTATACGAAGTTAT	
left_telomere	set the sequence of left telomere		
right_telomere	set the sequence of right telomere		
chr_gff	set the input neorchr_gff file		
chr_seq	set the input neorchr_gff file		
neochr_seq	set the name of output added loxps and telomeres neochr_fa file		
neochr_gff	set the name of output added loxps and telomeres neochr_gff file		

This module contains three plugins: Decouple.pl, Add.pl and Delete.pl.

2. Plugin Scripts

This module contains three plugins: Decouple.pl, Add.pl and Delete.pl.

2. Plugin Scripts

This module contains three plugins: Decouple.pl, Add.pl and Delete.pl.

2. Plugin Scripts

This module contains three plugins: Decouple.pl, Add.pl and Delete.pl.

2. Plugin Scripts

This module contains three plugins: Decouple.pl, Add.pl and Delete.pl.

2. Plugin Scripts

This module contains three plugins: Decouple.pl, Add.pl and Delete.pl.

2. Plugin Scripts

This module contains three plugins: Decouple.pl, Add.pl and Delete.pl.

2. Plugin Scripts

This module contains three plugins: Decouple.pl, Add.pl and Delete.pl.

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