This web page was produced as an assignment for Gen677 at UW-Madison Spring 2010

Gene Homologs

Homologs are genes that share many similarities between species descending from a common ancestor.  The use of homologs are important in the area of human disease research by providing a simpler organism to use as a model for the disease. 

Homologene was used to obtain the homologs for the ABL1 gene.  It found seven species that shared a homolog for the ABL1 gene.  The E-value was calculated using BLAST comparing the human ABL1 sequence to the other species homolog. 


Homo sapiens (Human)
Gene name:  Homo sapiens c-abl oncogene 1, non-receptor tyrosine kinase (ABL1)
Gene accession number:  NG_012034


human_fasta_dna.rtf
File Size: 196 kb
File Type: rtf
Download File


Pan troglodyles (Chimpanzee)
Gene name:  c-abl oncogene 1, non-receptor tyrosine kinase (ABL1)
Gene accession number:  NC_006476 
E-value:  0.0 

chimp_fasta_dna.rtf
File Size: 345 kb
File Type: rtf
Download File


Canis lupus familiaris (Dog)
Gene name:  c-abl oncogene 1, non-receptor tyrosine kinase (ABL1)
Gene accession number:  NC_006591
E-value:  0.0

dog_fasta_dna.rtf
File Size: 83 kb
File Type: rtf
Download File


Bos taurus (Cow)
Gene name:  c-abl oncogene 1, non-receptor tyrosine kinase (ABL1)
Gene accession number:  NC_007309
E-value:  0.0


cow_fasta_dna.rtf
File Size: 188 kb
File Type: rtf
Download File


Mus musculus (Mouse)
Gene name:  c-abl oncogene 1, non-receptor tyrosine kinase (Abl1)
Gene accession number:  NC_000068
E-value:  2e-116
mouse_fasta_dna.rtf
File Size: 159 kb
File Type: rtf
Download File


Rattus norvegicus (Rat) 
Gene name:  c-abl oncogene 1, receptor tyrosine kinase (Abl1)
Gene  accession number:NC_005102
E-value:  0.0
rat_fasta_dna.rtf
File Size: 145 kb
File Type: rtf
Download File


Gallus gallus (Chicken)
Gene name:   v-abl Abelson murine leukemia viral oncogene homolog 1 (ABL1)
Gene accession number:  NC_006104
E-value:  5e-61
chicken_fasta_dna.rtf
File Size: 115 kb
File Type: rtf
Download File


Danio rerio (Zebrafish)
Gene name:   v-abl Abelson murine leukemia viral oncogene homolog 1-like (LOC100000720)
Gene accession number: NC_007116
E-value:  1e-82

zebrafish_fasta_dna.rtf
File Size: 59 kb
File Type: rtf
Download File


Alignment

Alignmments could not be made using ClustalW, Muscle, or T-Coffee due to the length of the gene sequence.  Alignments were found using TreeFam.  The boxes found in the TreeFam alignment refer to known Pfam domains SH3, SH2, tyrosine kinase, and F-actin binding.  Dark lines and colors show matched sequences while light colored show gaps in the sequence.  The vertical dark blue lines indicate splicing boundaries of the gene.


Alignment produced by TreeFam
Picture

Analysis

Homologs were found in seven species other than humans for the ABL1 gene.  These species include chimpanzee, dog, cow, mouse, rat, chicken, and zebrafish. The human ABL1 gene shares the most similarity with its most common ancestor of these species, the chimpanzee followed by other mammals, then the chicken, and finally the zebrafish. The SH3, SH2, and tyrosine kinase domain areas of the gene appear to be highly conserved between species while the younger species appear to have evolved a more complex F-actin binding domain.

References


Sara Schroeder 
[email protected]
last updated May 13, 2011

http://gen677.weebly.com/