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Faculty

Aashiq H. Kachroo, PhD.

Canada Research Chair Tier 2 in Systems & Synthetic Biology, Biology
Assistant Professor, Center for Applied Synthetic Biology, Biology

Office: L-GE 330-1 
Centre for Structural and Functional Genomics,
7141 Sherbrooke W.
Phone: (514) 848-2424 ext. 2493
Email: aashiq.kachroo@concordia.ca
Website(s): Laboratory web page

Education

PhD (Indian Institute of Science, Bangalore, INDIA)
PDF (The University of Texas at Austin, Austin, TX, USA)


Teaching activities

BIOL367 Fall

Molecular Biology


Research activities

Engineering complex biological processes in simplified cells

The most deeply evolutionarily conserved human genes encode essential cellular machinery whose failures are linked to diverse diseases, from cancer to cardiovascular disease. Recent systematic studies have discovered extensive genetic polymorphism in these genes yet studying how these variations contribute to cellular function and overall human health remains a challenge. Our group is interested in studying these conserved human genes along with many of their variants, by systematically humanizing yeast cells, replacing each of the essential yeast genes in turn by its human version. The resulting strains will serve as new physical reagents for studying the human genes in a simplified organismal context, opening up simple high-throughput assays of human gene function, analyzing the impact of human genetic variation on gene function, the screening and repurposing of drugs and the rapid determination of mechanisms of drug resistance. Our work will illuminate fundamental principles of evolution, providing direct measurements of whether or not human and yeast genes have retained their ancestral functions over a billion years of evolutionary divergence.    


Humanized yeast - a platform for decoding human genetic variation and drug discovery
Photo credit: Aashiq H. Kachroo

Publications

Select publications

  • * Equal author
  • & Corresponding author

Peer-reviewed

    1. Garge RK, Laurent JM, Kachroo AH&, Marcotte EM&. Systematic humanization of the yeast cytoskeleton discerns functionally replaceable from divergent human genes. Genetics. 2020; PMID: 32522745 (link

2. Laurent JM, Garge RK, Teufel AI, Wilke CO, Kachroo AH&, Marcotte EM&. Humanization of yeast genes with multiple human orthologs reveals functional divergence between paralogs. PLoS Biology. 2020; PMID:32421706. (link)


3. Teufel AI, Johnson MM, Laurent JM, Kachroo AH, Marcotte EM, Wilke CO. The many nuanced evolutionary consequences of duplicated genes. Molecular Biology and Evolution. 2019; PMID: 30428072


4. Akhmetov A, Laurent JM, Gollihar J, Gardner EC, Garge RK, Ellington AD, Kachroo AH&, Marcotte EM&. Single-step Precision Genome Editing in Yeast Using CRISPR-Cas9. Bio-protocol. 2018; PMID: 29770349. 


5. Kachroo AH*&, Laurent JM*, Akhmetov A, Szilagyi-Jones M, McWhite CD, Zhao A,Marcotte EM&. Systematic bacterialization of yeast genes identifies a near-universally swappable pathway. eLife. 2017 Jun 29;6. pii: e25093. doi: 10.7554/eLife.25093. PMID: 28661399. (link)


6. Laurent JM, Young JH, Kachroo AH, Marcotte EM. Efforts to make and apply humanized yeast. Brief Funct Genomics. 2015 Oct 13; PMID: 26462863. (link


7. Cannon B*, Kachroo AH*, Jarmoskaite I, Jayaram M, Russell R. Hexapeptides that inhibit processing of branched DNA structures induce a dynamic ensemble of Holliday junction conformations. J Biol Chem. 2015 Sep 11;290(37):22734-46. PMID: 26209636;PMCID: PMC4566245. (link)


8. Kachroo AH, Laurent JM, Yellman CM, Meyer AG, Wilke CO, Marcotte EM&. Evolution. Systematic humanization of yeast genes reveals conserved functions and genetic modularity. Science. 2015 May 22;348(6237):921-5. PMID: 25999509; PMCID: PMC4718922. (link)


9. Rowley PA*, Kachroo AH*, Ma CH, Maciaszek AD, Guga P, Jayaram M. Stereospecific suppression of active site mutants by methylphosphonate substituted substrates reveals the stereochemical course of site-specific DNA recombination. Nucleic Acids Res. 2015 Jul 13;43(12):6023-37. PMID: 25999343; PMCID: PMC4499138. (link




 

        



Research & Infrastructure funding

NSERC-Discovery; NSERC-CREATE; FRQNT; CFI; CRC; ELA CAPITAL.

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