http://www.ncbi.nlm.nih.gov/pubmed/

http://www.addgene.org/

http://www.genecards.org/

 Journals:

http://www.nature.com/

http://www.sciencemag.org/

http://www.cell.com/

http://www.cell.com/cell-stem-cell/home

http://www.nature.com/ncb/index.html

http://www.pnas.org/

http://www.cell-research.com/