Provided herein are Mtb polynucleotides, recombinant Mtb peptides and polypeptides, immunogenic Mtb antigens, and Mtb antibodies. Immunogenic compositions are also provided that may be useful as recombinant, subunit and DNA vaccines. In addition the invention provides kits comprising Mtb polynucleotides, Mtb polypeptides, Mtb antibodies, and combinations thereof.